Ames, Aaron

Combined from CaltechAUTHORS

• Akella, Prithvi and Ahmadi, Mohamadreza, el al. (2025) Barrier-Based Test Synthesis for Safety-Critical Systems Subject to Timed Reach-Avoid Specifications; IEEE Transactions on Automatic Control; Vol. 70; No. 4; 2180 - 2195
• Akella, Prithvi and Dixit, Anushri, el al. (2024) Sample-based bounds for coherent risk measures: Applications to policy synthesis and verification; Artificial Intelligence; Vol. 336; 104195; 10.1016/j.artint.2024.104195
• Daş, Ersin and Ames, Aaron D., el al. (2024) Rollover Prevention for Mobile Robots With Control Barrier Functions: Differentiator-Based Adaptation and Projection-to-State Safety; IEEE Control Systems Letters; 10.1109/lcsys.2024.3416239
• Cohen, Max H. and Cosner, Ryan K., el al. (2024) Constructive Safety-Critical Control: Synthesizing Control Barrier Functions for Partially Feedback Linearizable Systems; IEEE Control Systems Letters; 10.1109/lcsys.2024.3412003
• Incer, Inigo and Csomay-Shanklin, Noel, el al. (2024) Layered Control Systems Operating on Multiple Clocks; IEEE Control Systems Letters; 10.1109/lcsys.2024.3410150
• Cosner, Ryan K. and Culbertson, Preston, el al. (2024) Bounding Stochastic Safety: Leveraging Freedman's Inequality with Discrete-Time Control Barrier Functions; IEEE Control Systems Letters; 10.1109/lcsys.2024.3409105
• Matni, Nikolai and Ames, Aaron D., el al. (2024) A Quantitative Framework for Layered Multirate Control: Toward a Theory of Control Architecture; IEEE Control Systems; Vol. 44; No. 3; 52-94; 10.1109/mcs.2024.3382388
• Pandala, Abhishek and Ames, Aaron D., el al. (2024) 𝓗₂- and 𝓗∞-Optimal Model Predictive Controllers for Robust Legged Locomotion; IEEE Open Journal of Control Systems; Vol. 3; 225-238; 10.1109/ojcsys.2024.3407999
• Cohen, Max H. and Ong, Pio, el al. (2023) Characterizing Smooth Safety Filters via the Implicit Function Theorem; IEEE Control Systems Letters; Vol. 7; 3890-3895; 10.1109/lcsys.2023.3341345
• Molnar, Tamas G. and Ames, Aaron D. (2023) Composing Control Barrier Functions for Complex Safety Specifications; IEEE Control Systems Letters; Vol. 7; 3615-3620; 10.1109/lcsys.2023.3339719
• Krasowski, Hanna and Akella, Prithvi, el al. (2023) Safe Reinforcement Learning with Probabilistic Guarantees Satisfying Temporal Logic Specifications in Continuous Action Spaces; ISBN 979-8-3503-0124-3; 2023 62nd IEEE Conference on Decision and Control (CDC); 4372-4378; 10.1109/cdc49753.2023.10383601
• Ong, Pio and Ames, Aaron D. (2023) Intermittent Safety Filters for Event-Triggered Safety Maneuvers with Application to Satellite Orbit Transfers; ISBN 979-8-3503-0124-3; 2023 62nd IEEE Conference on Decision and Control (CDC); 870-877; 10.1109/cdc49753.2023.10383437
• Ghansah, Adrian B. and Kim, Jeeseop, el al. (2023) Humanoid Robot Co-Design: Coupling Hardware Design with Gait Generation via Hybrid Zero Dynamics; ISBN 979-8-3503-0124-3; 2023 62nd IEEE Conference on Decision and Control (CDC); 1879-1885; 10.1109/cdc49753.2023.10383745
• Ingraham, Kimberly A. and Tucker, Maegan, el al. (2023) Leveraging user preference in the design and evaluation of lower-limb exoskeletons and prostheses; Current Opinion in Biomedical Engineering; Vol. 28; 100487; 10.1016/j.cobme.2023.100487
• Molnar, Tamas G. and Orosz, Gábor, el al. (2023) On the Safety of Connected Cruise Control: Analysis and Synthesis with Control Barrier Functions; ISBN 979-8-3503-0124-3; 2023 62nd IEEE Conference on Decision and Control (CDC); 1106-1111; 10.1109/cdc49753.2023.10383336
• Culbertson, Preston and Cosner, Ryan K., el al. (2023) Input-to-State Stability in Probability; ISBN 979-8-3503-0124-3; 2023 62nd IEEE Conference on Decision and Control (CDC); 5796-5803; 10.1109/cdc49753.2023.10383579
• Akella, Prithvi and Ames, Aaron D. (2023) Bounding Optimality Gaps for Non-Convex Optimization Problems: Applications to Nonlinear Safety-Critical Systems; ISBN 979-8-3503-0124-3; 2023 62nd IEEE Conference on Decision and Control (CDC); 79-85; 10.1109/cdc49753.2023.10383374
• Li, Albert H. and Culbertson, Preston, el al. (2023) FRoGGeR: Fast Robust Grasp Generation via the Min-Weight Metric; ISBN 978-1-6654-9190-7; 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 6809-6816; 10.1109/iros55552.2023.10341806
• Lee, Jaemin and Kim, Jeeseop, el al. (2023) Hierarchical Relaxation of Safety-critical Controllers: Mitigating Contradictory Safety Conditions with Application to Quadruped Robots; ISBN 978-1-6654-9190-7; 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 2384-2391; 10.1109/iros55552.2023.10342094
• Kim, Jeeseop and Lee, Jaemin, el al. (2023) Safety-Critical Coordination for Cooperative Legged Locomotion via Control Barrier Functions; ISBN 978-1-6654-9190-7; 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 2368-2375; 10.1109/iros55552.2023.10341987
• Dai, Min and Xiong, Xiaobin, el al. (2023) Data-Driven Adaptation for Robust Bipedal Locomotion with Step-to-Step Dynamics; ISBN 978-1-6654-9190-7; 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 8574-8581; 10.1109/iros55552.2023.10341396
• Alan, Anil and Taylor, Andrew J., el al. (2023) Control Barrier Functions and Input-to-State Safety With Application to Automated Vehicles; IEEE Transactions on Control Systems Technology; 10.1109/tcst.2023.3286090
• Kiss, Adam K. and Molnár, Tamás G., el al. (2023) Control barrier functionals: Safety‐critical control for time delay systems; International Journal of Robust and Nonlinear Control; 10.1002/rnc.6751
• Molnár, Tamás G. and Tighe, Katherine, el al. (2023) Mechanical Design, Planning, and Control for Legged Robots in Distillation Columns; Journal of Computational and Nonlinear Dynamics; Vol. 18; No. 6; Art. No. 061001; 10.1115/1.4056659
• Akella, Prithvi and Ubellacker, Wyatt, el al. (2023) Probabilistic Guarantees for Nonlinear Safety-Critical Optimal Control
• Molnar, Tamás G. and Ames, Aaron D. (2023) Safety-Critical Control with Bounded Inputs via Reduced Order Models
• Li, Albert H. and Culbertson, Preston, el al. (2023) FRoGGeR: Fast Robust Grasp Generation via the Min-Weight Metric
• Molnár, Tamás G. and Kiss, Adam K., el al. (2023) Safety-Critical Control With Input Delay in Dynamic Environment; IEEE Transactions on Control Systems Technology; 10.1109/tcst.2022.3227451
• Akella, Prithvi and Ahmadi, Mohamadreza, el al. (2023) Barrier-Based Test Synthesis for Safety-Critical Systems Subject to Timed Reach-Avoid Specifications
• Gehlhar, Rachel and Tucker, Maegan, el al. (2023) A review of current state-of-the-art control methods for lower-limb powered prostheses; Annual Reviews in Control; Vol. 55; 142-164; PMCID PMC10449377; 10.1016/j.arcontrol.2023.03.003
• Akella, Prithvi and Wei, Skylar X., el al. (2022) Learning Disturbances Online for Risk-Aware Control: Risk-Aware Flight with Less Than One Minute of Data; 10.48550/arXiv.2212.06253
• Fawcett, Randall T. and Amanzadeh, Leila, el al. (2022) Distributed Data-Driven Predictive Control for Multi-Agent Collaborative Legged Locomotion; 10.48550/arXiv.2211.06917
• Kim, Jeeseop and Fawcett, Randall T., el al. (2022) Layered Control for Cooperative Locomotion of Two Quadrupedal Robots: Centralized and Distributed Approaches; 10.48550/arXiv.2211.06913
• Badithela, Apurva and Graebener, Josefine B., el al. (2022) Synthesizing Reactive Test Environments for Autonomous Systems: Testing Reach-Avoid Specifications with Multi-Commodity Flows; 10.48550/arXiv.2210.10304
• Gehlhar, Rachel and Ames, Aaron D. (2022) Emulating Human Kinematic Behavior on Lower-Limb Prostheses via Multi-Contact Models and Force-Based Nonlinear Control; 10.48550/arXiv.2209.13739
• Csomay-Shanklin, Noel and Dorobantu, Victor D., el al. (2022) Nonlinear Model Predictive Control of a 3D Hopping Robot: Leveraging Lie Group Integrators for Dynamically Stable Behaviors; 10.48550/arXiv.2209.11808
• Tucker, Maegan and Csomay-Shanklin, Noel, el al. (2022) Robust Bipedal Locomotion: Leveraging Saltation Matrices for Gait Optimization; 10.48550/arXiv.2209.10452
• Dai, Min and Xiong, Xiaobin, el al. (2022) Data-driven Step-to-step Dynamics based Adaptive Control for Robust and Versatile Underactuated Bipedal Robotic Walking; 10.48550/arXiv.2209.08458
• Molnár, Tamás G. and Alan, Anil, el al. (2022) Input-to-State Safety with Input Delay in Longitudinal Vehicle Control; IFAC-PapersOnLine; Vol. 55; No. 36; 312-317; 10.1016/j.ifacol.2022.11.376
• Tucker, Maegan and Li, Kejun, el al. (2022) POLAR: Preference Optimization and Learning Algorithms for Robotics; 10.48550/arXiv.2208.04404
• Akella, Prithvi and Ames, Aaron D. (2022) A Barrier-Based Scenario Approach to Verifying Safety-Critical Systems; IEEE Robotics and Automation Letters; 10.1109/lra.2022.3192805
• Azimi, Vahid and Farzan, Siavash, el al. (2022) Active space control of underactuated robots: From adaptation to robustness to optimality; International Journal of Adaptive Control and Signal Processing; 10.1002/acs.3470
• Rosolia, Ugo and Singletary, Andrew, el al. (2022) Unified Multi-Rate Control: From Low-Level Actuation to High-Level Planning; IEEE Transactions on Automatic Control; 10.1109/tac.2022.3184664
• Singletary, Andrew and Guffey, William, el al. (2022) Safety-Critical Manipulation for Collision-Free Food Preparation; IEEE Robotics and Automation Letters; Vol. 7; No. 4; 10954-10961; 10.1109/LRA.2022.3192634
• Singletary, Andrew and Swann, Aiden, el al. (2022) Safe Drone Flight with Time-Varying Backup Controllers; 10.48550/arXiv.2207.05220
• Pandala, Abhishek and Fawcett, Randall T., el al. (2022) Robust Predictive Control for Quadrupedal Locomotion: Learning to Close the Gap Between Reduced- and Full-Order Models; IEEE Robotics and Automation Letters; Vol. 7; No. 3; 6622-6629; 10.1109/lra.2022.3176105
• Fawcett, Randall T. and Afsari, Kereshmeh, el al. (2022) Toward a Data-Driven Template Model for Quadrupedal Locomotion; IEEE Robotics and Automation Letters; Vol. 7; No. 3; 7636-7643; 10.1109/lra.2022.3184007
• Singletary, Andrew and Ahmadi, Mohamadreza, el al. (2022) Safe Control for Nonlinear Systems With Stochastic Uncertainty via Risk Control Barrier Functions; IEEE Control Systems Letters; Vol. 7; 349-354; 10.1109/lcsys.2022.3187458
• Kiss, Adam K. and Molnár, Tamás G., el al. (2022) Control Barrier Functionals: Safety-critical Control for Time Delay Systems; 10.48550/arXiv.arXiv.2206.08409
• Alan, Anil and Taylor, Andrew J., el al. (2022) Control Barrier Functions and Input-to-State Safety with Application to Automated Vehicles; 10.48550/arXiv.arXiv.2206.03568
• Ferraguti, Federica and Talignani Landi, Chiara, el al. (2022) Safety and Efficiency in Robotics: The Control Barrier Functions Approach; IEEE Robotics and Automation Magazine; 10.1109/mra.2022.3174699
• Jimenez Rodriguez, Ivan Dario and Csomay-Shanklin, Noel, el al. (2022) Neural Gaits: Learning Bipedal Locomotion via Control Barrier Functions and Zero Dynamics Policies; Proceedings of Machine Learning Research; Vol. 168; 1060-1072; 10.48550/arXiv.2204.08120
• Kamidi, Vinay R. and Kim, Jeeseop, el al. (2022) Distributed Quadratic Programming-Based Nonlinear Controllers for Periodic Gaits on Legged Robots; IEEE Control Systems Letters; Vol. 6; 2509-2514; 10.1109/lcsys.2022.3167795
• Ong, Pio and Bahati, Gilbert, el al. (2022) Stability and Safety through Event-Triggered Intermittent Control with Application to Spacecraft Orbit Stabilization; 10.48550/arXiv.arXiv.2204.03110
• Taylor, Andrew J. and Ong, Pio, el al. (2022) Safe Backstepping with Control Barrier Functions; 10.48550/arXiv.arXiv.2204.00653
• Csomay-Shanklin, Noel and Taylor, Andrew J., el al. (2022) Multi-Rate Planning and Control of Uncertain Nonlinear Systems: Model Predictive Control and Control Lyapunov Functions; 10.48550/arXiv.arXiv.2204.00152
• Singletary, Andrew and Swann, Aiden, el al. (2022) Onboard Safety Guarantees for Racing Drones: High-Speed Geofencing With Control Barrier Functions; IEEE Robotics and Automation Letters; Vol. 7; No. 2; 2897-2904; 10.1109/LRA.2022.3144777
• Chen, Yuxiao and Rosolia, Ugo, el al. (2022) Interactive Multi-Modal Motion Planning With Branch Model Predictive Control; IEEE Robotics and Automation Letters; Vol. 7; No. 2; 5365-5372; 10.1109/lra.2022.3156648
• Molnár, Tamás G. and Cosner, Ryan K., el al. (2022) Model-Free Safety-Critical Control for Robotic Systems; IEEE Robotics and Automation Letters; Vol. 7; No. 2; 944-951; 10.1109/lra.2021.3135569
• Li, Kejun and Tucker, Maegan, el al. (2022) Natural Multicontact Walking for Robotic Assistive Devices via Musculoskeletal Models and Hybrid Zero Dynamics; IEEE Robotics and Automation Letters; Vol. 7; No. 2; 4283-4290; 10.1109/lra.2022.3149568
• Gehlhar, Rachel and Yang, Je-han, el al. (2022) Powered Prosthesis Locomotion on Varying Terrains: Model-Dependent Control with Real-Time Force Sensing; IEEE Robotics and Automation Letters; Vol. 7; No. 2; 5151-5158; 10.1109/lra.2022.3154810
• Taylor, Andrew J. and Dorobantu, Victor D., el al. (2022) Safety of Sampled-Data Systems with Control Barrier Functions via Approximate Discrete Time Models; 10.48550/arXiv.2203.11470
• Galliker, Manuel Y. and Csomay-Shanklin, Noel, el al. (2022) Bipedal Locomotion with Nonlinear Model Predictive Control: Online Gait Generation using Whole-Body Dynamics; 10.48550/arXiv.2203.07429
• Xiong, Xiaobin and Ames, Aaron (2022) 3-D Underactuated Bipedal Walking via H-LIP Based Gait Synthesis and Stepping Stabilization; IEEE Transactions on Robotics; 10.1109/tro.2022.3150219
• Cosner, Ryan K. and Jimenez Rodriguez, Ivan D., el al. (2022) Self-Supervised Online Learning for Safety-Critical Control using Stereo Vision; 10.48550/arXiv.2203.01404
• Jimenez Rodriguez, Ivan Dario and Ames, Aaron D., el al. (2022) LyaNet: A Lyapunov Framework for Training Neural ODEs; 10.48550/arXiv.2202.02526
• Jimenez Rodriguez, Ivan Dario and Ames, Aaron D., el al. (2022) LyaNet: A Lyapunov Framework for Training Neural ODEs; Proceedings of Machine Learning Research; 18687-18703; 10.48550/arXiv.arXiv.2202.02526
• Akella, Prithvi and Ubellacker, Wyatt, el al. (2022) Test and Evaluation of Quadrupedal Walking Gaits through Sim2Real Gap Quantification; 10.48550/arXiv.2201.01323
• Ahmadi, Mohamadreza and Xiong, Xiaobin, el al. (2022) Risk-Averse Control via CVaR Barrier Functions: Application to Bipedal Robot Locomotion; IEEE Control Systems Letters; Vol. 6; 878-883; 10.1109/LCSYS.2021.3086854
• Garg, Kunal and Cosner, Ryan K., el al. (2022) Multi-Rate Control Design Under Input Constraints via Fixed-Time Barrier Functions; IEEE Control Systems Letters; Vol. 6; 608-613; 10.1109/LCSYS.2021.3084322
• Singletary, Andrew and Kolathaya, Shishir, el al. (2022) Safety-Critical Kinematic Control of Robotic Systems; IEEE Control Systems Letters; Vol. 6; 139-144; 10.1109/LCSYS.2021.3050609
• Taylor, Andrew J. and Dorobantu, Victor D., el al. (2022) Sampled-Data Stabilization with Control Lyapunov Functions via Quadratically Constrained Quadratic Programs; IEEE Control Systems Letters; Vol. 6; 680-685; 10.1109/LCSYS.2021.3085172
• Alan, Anil and Taylor, Andrew J., el al. (2022) Safe Controller Synthesis with Tunable Input-to-State Safe Control Barrier Functions; IEEE Control Systems Letters; Vol. 6; 908-913; 10.1109/LCSYS.2021.3087443
• Rosolia, Ugo and Ames, Aaron D. (2022) Iterative Model Predictive Control for Piecewise Systems; IEEE Control Systems Letters; Vol. 6; 842-847; 10.1109/LCSYS.2021.3086561
• Molnar, Tamas G. and Kiss, Adam K., el al. (2021) Safety-Critical Control with Input Delay in Dynamic Environment; 10.48550/arXiv.2112.08445
• Cosner, Ryan K. and Tucker, Maegan, el al. (2021) Safety-Aware Preference-Based Learning for Safety-Critical Control; 10.48550/arXiv.2112.08516
• Chen, Yuxiao and Jankovic, Mrdjan, el al. (2021) Backup Control Barrier Functions: Formulation and Comparative Study; ISBN 978-1-6654-3659-5; 2021 60th IEEE Conference on Decision and Control (CDC); 6835-6841; 10.1109/CDC45484.2021.9683111
• Ahmadi, Mohamadreza and Dixit, Anushri, el al. (2021) Risk-Averse Stochastic Shortest Path Planning; ISBN 978-1-6654-3659-5; 2021 60th IEEE Conference on Decision and Control (CDC); 5199-5204; 10.1109/CDC45484.2021.9683527
• Taylor, Andrew J. and Dorobantu, Victor D., el al. (2021) Towards Robust Data-Driven Control Synthesis for Nonlinear Systems with Actuation Uncertainty; ISBN 978-1-6654-3659-5; 2021 60th IEEE Conference on Decision and Control (CDC); 6469-6476; 10.1109/CDC45484.2021.9683511
• Xiong, Xiaobin and Chen, Yuxiao, el al. (2021) Robust Disturbance Rejection for Robotic Bipedal Walking: System-Level-Synthesis with Step-to-step Dynamics Approximation; ISBN 978-1-6654-3659-5; 2021 60th IEEE Conference on Decision and Control (CDC); 697-704; 10.1109/cdc45484.2021.9683065
• Gehlhar, Rachel and Ames, Aaron D. (2021) Estimate-to-State Stability for Hybrid Human-Prosthesis Systems; ISBN 978-1-6654-3659-5; 2021 60th IEEE Conference on Decision and Control (CDC); 705-712; 10.1109/cdc45484.2021.9683029
• Fawcett, Randall T. and Pandala, Abhishek, el al. (2021) Robust Stabilization of Periodic Gaits for Quadrupedal Locomotion via QP-Based Virtual Constraint Controllers; IEEE Control Systems Letters; Vol. 6; 1736-1741; 10.1109/lcsys.2021.3133198
• Rosolia, Ugo and Ahmadi, Mohamadreza, el al. (2021) Time-Optimal Navigation in Uncertain Environments with High-Level Specifications; ISBN 978-1-6654-3659-5; 2021 60th IEEE Conference on Decision and Control (CDC); 4287-4294; 10.1109/CDC45484.2021.9683486
• Folkestad, Carl and Chen, Yuxiao, el al. (2021) Data-Driven Safety-Critical Control: Synthesizing Control Barrier Functions With Koopman Operators; IEEE Control Systems Letters; Vol. 5; No. 6; 2012-2017; 10.1109/lcsys.2020.3046159
• Chen, Yuxiao and Santillo, Mario, el al. (2021) Online Decentralized Decision Making With Inequality Constraints: An ADMM approach; IEEE Control Systems Letters; Vol. 5; No. 6; 2156-2161; 10.1109/lcsys.2020.3044873
• Molnár, Tamás G. and Singletary, Andrew W., el al. (2021) Safety-Critical Control of Compartmental Epidemiological Models with Measurement Delays; IEEE Control Systems Letters; Vol. 5; No. 5; 1537-1542; PMCID PMC8545040; 10.1109/LCSYS.2020.3040948
• Johansson, Kasper and Rosolia, Ugo, el al. (2021) Mixed Observable RRT: Multi-Agent Mission-Planning in Partially Observable Environments; 10.48550/arXiv.2110.01002
• Sun, Yu and Ubellacker, Wyatt L., el al. (2021) Online Learning of Unknown Dynamics for Model-Based Controllers in Legged Locomotion; IEEE Robotics and Automation Letters; Vol. 6; No. 4; 8442-8449; 10.1109/lra.2021.3108510
• Cosner, Ryan K. and Singletary, Andrew W., el al. (2021) Measurement-Robust Control Barrier Functions: Certainty in Safety with Uncertainty in State; ISBN 978-1-6654-1715-0; 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 6286-6291; 10.1109/IROS51168.2021.9636584
• Ubellacker, Wyatt and Csomay-Shanklin, Noel, el al. (2021) Verifying Safe Transitions between Dynamic Motion Primitives on Legged Robots; ISBN 978-1-6654-1715-0; 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 8477-8484; 10.1109/IROS51168.2021.9636537
• Jimenez Rodriguez, Ivan D. and Rosolia, Ugo, el al. (2021) Learning to Control an Unstable System with One Minute of Data: Leveraging Gaussian Process Differentiation in Predictive Control; ISBN 978-1-6654-1714-3; 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 3896-3903; 10.1109/IROS51168.2021.9636786
• Ahmadi, Mohamadreza and Rosolia, Ugo, el al. (2021) Risk-Averse Decision Making Under Uncertainty; 10.48550/arXiv.2109.04082
• Westenbroek, Tyler and Xiong, Xiaobin, el al. (2021) Smooth Approximations for Hybrid Optimal Control Problems with Application to Robotic Walking; IFAC-PapersOnLine; Vol. 54; No. 5; 181-186; 10.1016/j.ifacol.2021.08.495
• Kerdraon, Jacques and Previnaire, Jean Gabriel, el al. (2021) Evaluation of safety and performance of the self balancing walking system Atalante in patients with complete motor spinal cord injury; Spinal Cord Series and Cases: Clinical Management in Spinal Cord Disorders; Vol. 7; Art. No. 71; 10.1038/s41394-021-00432-3
• Reher, Jenna and Ames, Aaron D. (2021) Control Lyapunov Functions for Compliant Hybrid Zero Dynamic Walking; 10.48550/arXiv.2107.04241
• Taylor, Andrew J. and Ong, Pio, el al. (2021) Safety-Critical Event Triggered Control via Input-to-State Safe Barrier Functions; IEEE Control Systems Letters; Vol. 5; No. 3; 749-754; 10.1109/lcsys.2020.3005101
• Ma, Wen-Loong and Csomay-Shanklin, Noel, el al. (2021) Coupled Control Systems: Periodic Orbit Generation with Application to Quadrupedal Locomotion; IEEE Control Systems Letters; Vol. 5; No. 3; 935-940; 10.1109/LCSYS.2020.3006963
• Rosolia, Ugo and Ames, Aaron D. (2021) Multi-Rate Control Design Leveraging Control Barrier Functions and Model Predictive Control Policies; IEEE Control Systems Letters; Vol. 5; No. 3; 1007-1012; 10.1109/LCSYS.2020.3008326
• Taylor, Andrew J. and Singletary, Andrew, el al. (2021) A Control Barrier Perspective on Episodic Learning via Projection-to-State Safety; IEEE Control Systems Letters; Vol. 5; No. 3; 1019-1024; 10.1109/LCSYS.2020.3009082
• Ames, Aaron D. and Notomista, Gennaro, el al. (2021) Integral Control Barrier Functions for Dynamically Defined Control Laws; IEEE Control Systems Letters; Vol. 5; No. 3; 887-892; 10.1109/lcsys.2020.3006764
• Chen, Yuxiao and Rosolia, Ugo, el al. (2021) Decentralized Task and Path Planning for Multi-Robot Systems; IEEE Robotics and Automation Letters; Vol. 6; No. 3; 4337-4344; 10.1109/LRA.2021.3068103
• Chang, Alexander H. and Hubicki, Christian M., el al. (2021) Learning Terrain Dynamics: A Gaussian Process Modeling and Optimal Control Adaptation Framework Applied to Robotic Jumping; IEEE Transactions on Control Systems Technology; Vol. 29; No. 4; 1581-1596; 10.1109/tcst.2020.3009636
• Csomay-Shanklin, Noel and Cosner, Ryan K., el al. (2021) Episodic Learning for Safe Bipedal Locomotion with Control Barrier Functions and Projection-to-State Safety; Proceedings of Machine Learning Research; Vol. 144; 1041-1053; 10.48550/arXiv.2105.01697
• Tucker, Maegan and Csomay-Shanklin, Noel, el al. (2021) Preference-Based Learning for User-Guided HZD Gait Generation on Bipedal Walking Robots; ISBN 978-1-7281-9077-8; 2021 IEEE International Conference on Robotics and Automation (ICRA); 2804-2810; 10.1109/ICRA48506.2021.9561515
• Li, Kejun and Tucker, Maegan, el al. (2021) ROIAL: Region of Interest Active Learning for Characterizing Exoskeleton Gait Preference Landscapes; ISBN 978-1-7281-9077-8; 2021 IEEE International Conference on Robotics and Automation (ICRA); 3212-3218; 10.1109/ICRA48506.2021.9560840
• Gehlhar, Rachel and Yang, Je-han, el al. (2021) Model-Dependent Prosthesis Control with Real-Time Force Sensing; 10.48550/arXiv.2105.11561
• Ahmadi, Mohamadreza and Rosolia, Ugo, el al. (2021) Constrained Risk-Averse Markov Decision Processes; 10.48550/arXiv.2012.02423
• Maghenem, Mohamed and Taylor, Andrew J., el al. (2021) Adaptive Safety Using Control Barrier Functions and Hybrid Adaptation; ISBN 978-1-6654-4197-1; 2021 American Control Conference (ACC); 2418-2423; 10.23919/ACC50511.2021.9482871
• Xiong, Xiaobin and Reher, Jenna, el al. (2021) Global Position Control on Underactuated Bipedal Robots: Step-to-step Dynamics Approximation for Step Planning; ISBN 978-1-7281-9077-8; 2021 IEEE International Conference on Robotics and Automation (ICRA); 2825-2831; 10.1109/icra48506.2021.9561961
• Molnár, Tamás G. and Singletary, Andrew W., el al. (2021) Safety-Critical Control of Compartmental Epidemiological Models with Measurement Delays; ISBN 978-1-6654-4197-1; 2021 American Control Conference (ACC); 1052-1057; 10.23919/acc50511.2021.9482737
• Gehlhar, Rachel and Ames, Aaron D. (2021) Model-Dependent Prosthesis Control with Interaction Force Estimation; ISBN 978-1-7281-9077-8; 2021 IEEE International Conference on Robotics and Automation (ICRA); 3226-3232; 10.1109/icra48506.2021.9561250
• Reher, Jenna and Ames, Aaron D. (2021) Inverse Dynamics Control of Compliant Hybrid Zero Dynamic Walking; ISBN 978-1-7281-9077-8; 2021 IEEE International Conference on Robotics and Automation (ICRA); 2040-2047; 10.1109/ICRA48506.2021.9560906
• Ambrose, Eric and Ma, Wen-Loong, el al. (2021) Towards the Unification of System Design and Motion Synthesis for High-Performance Hopping Robots; ISBN 978-1-7281-9077-8; 2021 IEEE International Conference on Robotics and Automation (ICRA); 7073-7078; 10.1109/icra48506.2021.9561322
• Chen, Yuxiao and Santillo, Mario, el al. (2021) Online decentralized decision making with inequality constraints: An ADMM approach; ISBN 978-1-6654-4197-1; 2021 American Control Conference (ACC); 2075-2081; 10.23919/ACC50511.2021.9483302
• Kiss, Adam K. and Molnár, Tamás G., el al. (2021) Certifying Safety for Nonlinear Time Delay Systems via Safety Functionals: A Discretization Based Approach; ISBN 978-1-6654-4197-1; 2021 American Control Conference (ACC); 1058-1063; 10.23919/acc50511.2021.9482688
• Grandia, Ruben and Taylor, Andrew J., el al. (2021) Multi-Layered Safety for Legged Robots via Control Barrier Functions and Model Predictive Control; ISBN 978-1-7281-9077-8; 2021 IEEE International Conference on Robotics and Automation (ICRA); 8352-8358; 10.1109/ICRA48506.2021.9561510
• Ma, Wen-Loong and Csomay-Shanklin, Noel, el al. (2021) Coupled Control Lyapunov Functions for Interconnected Systems, With Application to Quadrupedal Locomotion; IEEE Robotics and Automation Letters; Vol. 6; No. 2; 3761-3768; 10.1109/LRA.2021.3065174
• Konda, Rohit and Ames, Aaron D., el al. (2021) Characterizing Safety: Minimal Control Barrier Functions from Scalar Comparison Systems; IEEE Control Systems Letters; Vol. 5; No. 2; 523-528; 10.1109/lcsys.2020.3003887
• Gehlhar, Rachel and Ames, Aaron D. (2021) Separable Control Lyapunov Functions with Application to Prostheses; IEEE Control Systems Letters; Vol. 5; No. 2; 559-564; 10.1109/lcsys.2020.3004181
• Xiong, Xiaobin and Ames, Aaron (2021) SLIP Walking Over Rough Terrain via H-LIP Stepping and Backstepping-Barrier Function Inspired Quadratic Program; IEEE Robotics and Automation Letters; Vol. 6; No. 2; 2122-2129; 10.1109/LRA.2021.3061385
• Chen, Yuxiao and Anderson, James, el al. (2021) Safety-Critical Control Synthesis for Network Systems With Control Barrier Functions and Assume-Guarantee Contracts; IEEE Transactions on Control of Network Systems; Vol. 8; No. 1; 487-499; 10.1109/TCNS.2020.3029183
• Csomay-Shanklin, Noel and Tucker, Maegan, el al. (2021) Learning Controller Gains on Bipedal Walking Robots via User Preferences; 10.48550/arXiv.2102.13201v1
• Thananjeyan, Brijen and Balakrishna, Ashwin, el al. (2021) ABC-LMPC: Safe Sample-Based Learning MPC for Stochastic Nonlinear Dynamical Systems with Adjustable Boundary Conditions; ISBN 9783030667221; Algorithmic Foundations of Robotics XIV; 1-17; 10.1007/978-3-030-66723-8_1
• Azimi, Vahid and Shu, Tony, el al. (2021) Model-Based Adaptive Control of Transfemoral Prostheses: Theory, Simulation, and Experiments; IEEE Transactions on Systems, Man, and Cybernetics: Systems; Vol. 51; No. 2; 1174-1191; 10.1109/TSMC.2019.2896193
• Xiong, Xiaobin and Ames, Aaron (2021) 3D Underactuated Bipedal Walking via H-LIP based Gait Synthesis and Stepping Stabilization; 10.48550/arXiv.2101.09588
• Chen, Yuxiao and Singletary, Andrew, el al. (2021) Guaranteed obstacle avoidance for multi-robot operations with limited actuation: a control barrier function approach; IEEE Control Systems Letters; Vol. 5; No. 1; 127-132; 10.1109/lcsys.2020.3000748
• Rosolia, Ugo and Singletary, Andrew, el al. (2020) Unified Multi-Rate Control: from Low Level Actuation to High Level Planning; 10.48550/arXiv.2012.06558
• Ahmadi, Mohamadreza and Singletary, Andrew, el al. (2020) Barrier Functions for Multiagent-POMDPs with DTL Specifications; ISBN 978-1-7281-7447-1; 2020 59th IEEE Conference on Decision and Control (CDC); 1380-1385; 10.1109/CDC42340.2020.9304266
• Cheng, Richard and Khojasteh, Mohammad Javad, el al. (2020) Safe Multi-Agent Interaction through Robust Control Barrier Functions with Learned Uncertainties; ISBN 978-1-7281-7447-1; 2020 59th IEEE Conference on Decision and Control (CDC); 777-783; 10.1109/CDC42340.2020.9304395
• Akella, Prithvi and Ahmadi, Mohamadreza, el al. (2020) Formal Test Synthesis for Safety-Critical Autonomous Systems based on Control Barrier Functions; ISBN 9781728174471; 2020 59th IEEE Conference on Decision and Control (CDC); 790-795; 10.1109/CDC42340.2020.9303776
• Singletary, Andrew and Chen, Yuxiao, el al. (2020) Control Barrier Functions for Sampled-Data Systems with Input Delays; ISBN 9781728174471; 2020 59th IEEE Conference on Decision and Control (CDC); 804-809; 10.1109/CDC42340.2020.9304281
• Chen, Yuxiao and Singletary, Andrew, el al. (2020) Lidar-based exploration and discretization for mobile robot planning; 10.48550/arXiv.2011.10066
• Chen, Yuxiao and Rosolia, Ugo, el al. (2020) Reactive motion planning with probabilistic safety guarantees; 10.48550/arXiv.2011.03590
• Akbari Hamed, Kaveh and Ames, Aaron D. (2020) Nonholonomic Hybrid Zero Dynamics for the Stabilization of Periodic Orbits: Application to Underactuated Robotic Walking; IEEE Transactions on Control Systems Technology; Vol. 28; No. 6; 2689-2696; 10.1109/tcst.2019.2947874
• Dean, Sarah and Taylor, Andrew J., el al. (2020) Guaranteeing Safety of Learned Perception Modules via Measurement-Robust Control Barrier Functions; 10.48550/arXiv.2010.16001
• Singletary, Andrew and Klingebiel, Karl, el al. (2020) Comparative Analysis of Control Barrier Functions and Artificial Potential Fields for Obstacle Avoidance; 10.48550/arXiv.2010.09819
• Reher, Jenna and Ames, Aaron D. (2020) Dynamic Walking: Toward Agile and Efficient Bipedal Robots; 10.48550/arXiv.2010.07451
• Ames, Aaron D. and Molnár, Tamás G., el al. (2020) Safety-Critical Control of Active Interventions for COVID-19 Mitigation; IEEE Access; Vol. 8; 188454-188474; PMCID PMC8545284; 10.1109/ACCESS.2020.3029558
• Xiong, Xiaobin and Ames, Aaron D. (2020) Dynamic and Versatile Humanoid Walking via Embedding 3D Actuated SLIP Model with Hybrid LIP Based Stepping; IEEE Robotics and Automation Letters; Vol. 5; No. 4; 6286-6293; 10.1109/lra.2020.3013924
• Ma, Wen-Loong and Csomay-Shanklin, Noel, el al. (2020) Quadrupedal Robotic Walking on Sloped Terrains via Exact Decomposition into Coupled Bipedal Robots; ISBN 9781728162126; 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 4006-4011; 10.1109/IROS45743.2020.9341181
• Gehlhar, Rachel and Chen, Yuxiao, el al. (2020) Data-driven Characterization of Human Interaction for Model-based Control of Powered Prostheses; ISBN 978-1-7281-6212-6; 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 4126-4133; 10.1109/IROS45743.2020.9341388
• Tucker, Maegan and Cheng, Myra, el al. (2020) Human Preference-Based Learning for High-dimensional Optimization of Exoskeleton Walking Gaits; ISBN 978-1-7281-6212-6; 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 3423-3430; 10.1109/IROS45743.2020.9341416
• Suh, H. J. Terry and Xiong, Xiaobin, el al. (2020) Energy-Efficient Motion Planning for Multi-Modal Hybrid Locomotion; ISBN 978-1-7281-6212-6; 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 7027-7033; 10.1109/IROS45743.2020.9340761
• Xiong, Xiaobin and Ames, Aaron D. (2020) Sequential Motion Planning for Bipedal Somersault via Flywheel SLIP and Momentum Transmission with Task Space Control; ISBN 978-1-7281-6212-6; 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 3510-3517; 10.1109/IROS45743.2020.9341467
• Ibuki, Tatsuya and Wilson, Sean, el al. (2020) Distributed Collision-Free Motion Coordination on a Sphere: A Conic Control Barrier Function Approach; IEEE Control Systems Letters; Vol. 4; No. 4; 976-981; 10.1109/lcsys.2020.2997952
• Akella, Prithvi and Rosolia, Ugo, el al. (2020) Formal Verification of Safety Critical Autonomous Systems via Bayesian Optimization; 10.48550/arXiv.2009.12909
• Gurriet, Thomas and Mote, Mark, el al. (2020) A Scalable Safety Critical Control Framework for Nonlinear Systems; IEEE Access; Vol. 8; 187249-187275; 10.1109/access.2020.3025248
• Ma, Wen-Loong and Ames, Aaron D. (2020) From Bipedal Walking to Quadrupedal Locomotion: Full-Body Dynamics Decomposition for Rapid Gait Generation; ISBN 978-1-7281-7395-5; 2020 IEEE International Conference on Robotics and Automation (ICRA); 4491-4497; 10.1109/ICRA40945.2020.9196841
• Singletary, Andrew and Gurriet, Thomas, el al. (2020) Safety-Critical Rapid Aerial Exploration of Unknown Environments; ISBN 9781728173955; 2020 IEEE International Conference on Robotics and Automation (ICRA); 10270-10276; 10.1109/icra40945.2020.9197416
• Gao, Chang and Gehlhar, Rachel, el al. (2020) Recurrent Neural Network Control of a Hybrid Dynamical Transfemoral Prosthesis with EdgeDRNN Accelerator; ISBN 9781728173955; 2020 IEEE International Conference on Robotics and Automation (ICRA); 5460-5466; 10.1109/ICRA40945.2020.9196984
• Tucker, Maegan and Novoseller, Ellen, el al. (2020) Preference-Based Learning for Exoskeleton Gait Optimization; ISBN 978-1-7281-7395-5; 2020 IEEE International Conference on Robotics and Automation (ICRA); 2351-2357; 10.1109/ICRA40945.2020.9196661
• Ambrose, Eric and Ames, Aaron D. (2020) Improved Performance on Moving-Mass Hopping Robots with Parallel Elasticity; ISBN 978-1-7281-7395-5; 2020 IEEE International Conference on Robotics and Automation (ICRA); 2457-2463; 10.1109/ICRA40945.2020.9197070
• Reher, Jenna and Csomay-Shanklin, Noel, el al. (2020) Passive Dynamic Balancing and Walking in Actuated Environments; ISBN 9781728173955; 2020 IEEE International Conference on Robotics and Automation (ICRA); 9775-9781; 10.1109/icra40945.2020.9197400
• Chen, Yuxiao and Ahmadi, Mohamadreza, el al. (2020) Optimal Safe Controller Synthesis: A Density Function Approach; ISBN 9781538682661; 2020 American Control Conference (ACC); 5407-5412; 10.23919/acc45564.2020.9147721
• Grandia, Ruben and Taylor, Andrew J., el al. (2020) Nonlinear Model Predictive Control of Robotic Systems with Control Lyapunov Functions; 10.48550/arXiv.2006.01229
• Taylor, Andrew J. and Ames, Aaron D. (2020) Adaptive Safety with Control Barrier Functions; ISBN 9781538682661; 2020 American Control Conference (ACC); 1399-1405; 10.23919/acc45564.2020.9147463
• Nilsson, Petter and Ames, Aaron D. (2020) Lyapunov-Like Conditions for Tight Exit Probability Bounds through Comparison Theorems for SDEs; ISBN 9781538682661; 2020 American Control Conference (ACC); 5175-5181; 10.23919/acc45564.2020.9147414
• Reher, Jenna and Kann, Claudia, el al. (2020) An Inverse Dynamics Approach to Control Lyapunov Functions; ISBN 9781538682661; 2020 American Control Conference (ACC); 2444-2451; 10.23919/ACC45564.2020.9147342
• Pandey, Ayush and Ames, Aaron D. (2020) On a Converse theorem for Finite-time Lyapunov Functions to Estimate Domains of Attraction; ISBN 9781538682661; 2020 American Control Conference (ACC); 3763-3769; 10.23919/acc45564.2020.9147709
• Ahmadi, Mohamadreza and Ono, Masahiro, el al. (2020) Risk-Averse Planning Under Uncertainty; ISBN 9781538682661; 2020 American Control Conference (ACC); 3305-3312; 10.23919/ACC45564.2020.9147792
• Akbari Hamed, Kaveh and Kamidi, Vinay R., el al. (2020) Distributed Feedback Controllers for Stable Cooperative Locomotion of Quadrupedal Robots: A Virtual Constraint Approach; 10.23919/ACC45564.2020.9147673
• Chen, Yuxiao and Singletary, Andrew W., el al. (2020) Density Functions for Guaranteed Safety on Robotic Systems; ISBN 9781538682661; 2020 American Control Conference (ACC); 3199-3204; 10.23919/acc45564.2020.9147265
• Doeser, Ludvig and Nilsson, Petter, el al. (2020) Invariant Sets for Integrators and Quadrotor Obstacle Avoidance; ISBN 9781538682661; 2020 American Control Conference (ACC); 3814-3821; 10.23919/acc45564.2020.9147872
• Taylor, Andrew J. and Singletary, Andrew, el al. (2020) Learning for Safety-Critical Control with Control Barrier Functions; Proceedings of Machine Learning Research; Vol. 120; 708-717; 10.48550/arXiv.1912.10099
• Ahmadi, Mohamadreza and Viswanathan, Arun A., el al. (2020) Partially Observable Games for Secure Autonomy; ISBN 9781728193465; 2020 IEEE Security and Privacy Workshops (SPW); 185-188; 10.1109/spw50608.2020.00046
• Reher, Jacob P. and Hereid, Ayonga, el al. (2020) Algorithmic Foundations of Realizing Multi-Contact Locomotion on the Humanoid Robot DURUS; ISBN 978-3-030-43088-7; Algorithmic Foundations of Robotics XII; 400-415; 10.1007/978-3-030-43089-4_26
• Yu, You and Nassar, Joanna, el al. (2020) Biofuel-powered soft electronic skin with multiplexed and wireless sensing for human-machine interfaces; Science Robotics; Vol. 5; No. 41; Art. No. eaaz7946; PMCID PMC7326328; 10.1126/scirobotics.aaz7946
• Klaesson, Filip and Nilsson, Petter, el al. (2020) Intermittent Connectivity for Exploration in Communication-Constrained Multi-Agent Systems; 10.1109/ICCPS48487.2020.00031
• Akbari Hamed, Kaveh and Kamidi, Vinay R., el al. (2020) Hierarchical and Safe Motion Control for Cooperative Locomotion of Robotic Guide Dogs and Humans: A Hybrid Systems Approach; IEEE Robotics and Automation Letters; Vol. 5; No. 1; 56-63; 10.1109/LRA.2019.2939719
• Gurriet, Thomas and Tucker, Maegan, el al. (2020) Towards Variable Assistance for Lower Body Exoskeletons; IEEE Robotics and Automation Letters; Vol. 5; No. 1; 266-273; 10.1109/lra.2019.2955946
• Gurriet, Thomas and Mote, Mark, el al. (2019) A Scalable Controlled Set Invariance Framework with Practical Safety Guarantees; ISBN 9781728113982; 2019 IEEE 58th Conference on Decision and Control (CDC); 2046-2053; 10.1109/cdc40024.2019.9030159
• Ahmadi, Mohamadreza and Singletary, Andrew, el al. (2019) Safe Policy Synthesis in Multi-Agent POMDPs via Discrete-Time Barrier Functions; ISBN 978-1-7281-1398-2; 2019 IEEE 58th Conference on Decision and Control (CDC); 4797-4803; 10.1109/CDC40024.2019.9030241
• Murali, Vishal and Ames, Aaron D., el al. (2019) Optimal Walking Speed Transitions for Fully Actuated Bipedal Robots; ISBN 9781728113982; 2019 IEEE 58th Conference on Decision and Control (CDC); 6295-6300; 10.1109/cdc40024.2019.9029348
• Taylor, Andrew J. and Dorobantu, Victor D., el al. (2019) A Control Lyapunov Perspective on Episodic Learning via Projection to State Stability; ISBN 978-1-7281-1398-2; 2019 IEEE 58th Conference on Decision and Control (CDC); 1448-1455; 10.1109/CDC40024.2019.9029226
• Westenbroek, Tyler and Xiong, Xiaobin, el al. (2019) Optimal Control of Piecwise-smooth Control Systems via Singular Perturbations; ISBN 978-1-7281-1398-2; 2019 IEEE 58th Conference on Decision and Control (CDC); 3046-3053; 10.1109/CDC40024.2019.9029232
• Xiong, Xiaobin and Ames, Aaron D. (2019) Orbit Characterization, Stabilization and Composition on 3D Underactuated Bipedal Walking via Hybrid Passive Linear Inverted Pendulum Model; ISBN 978-1-7281-4004-9; 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 4644-4651; 10.1109/IROS40897.2019.8968162
• Taylor, Andrew J. and Dorobantu, Victor D., el al. (2019) Episodic Learning with Control Lyapunov Functions for Uncertain Robotic Systems; ISBN 978-1-7281-4004-9; 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 6878-6884; 10.1109/IROS40897.2019.8967820
• Ambrose, Eric and Csomay-Shanklin, Noel, el al. (2019) Design and Comparative Analysis of 1D Hopping Robots; ISBN 978-1-7281-4004-9; 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 5717-5724; 10.1109/IROS40897.2019.8967692
• Ma, Wen-Loong and Akbari Hamed, Kaveh, el al. (2019) First Steps Towards Full Model Based Motion Planning and Control of Quadrupeds: A Hybrid Zero Dynamics Approach; ISBN 978-1-7281-4004-9; 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 5498-5503; 10.1109/IROS40897.2019.8968189
• Singletary, Andrew and Nilsson, Petter, el al. (2019) Online Active Safety for Robotic Manipulators; ISBN 978-1-7281-4004-9; 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 173-178; 10.1109/IROS40897.2019.8968231
• Xiong, Xiaobin and Ames, Aaron D. (2019) Motion Decoupling and Composition via Reduced Order Model optimization for Dynamic Humanoid Walking with CLF-QP based Active Force Control; ISBN 978-1-7281-4004-9; 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 1018-1024; 10.1109/iros40897.2019.8968215
• Gurriet, Thomas and Tucker, Maegan, el al. (2019) Stabilization of Exoskeletons through Active Ankle Compensation; 10.48550/arXiv.1909.11848
• Gehlhar, Rachel and Reher, Jenna, el al. (2019) Control of Separable Subsystems with Application to Prostheses; 10.48550/arXiv.1909.03102
• Chen, Yuxiao and Anderson, James, el al. (2019) Compositional Set Invariance in Network Systems with Assume-Guarantee Contracts; ISBN 978-1-5386-7926-5; 2019 American Control Conference (ACC); 1027-1034; 10.23919/ACC.2019.8814437
• Gurriet, Thomas and Nilsson, Petter, el al. (2019) Realizable Set Invariance Conditions for Cyber-Physical Systems; ISBN 978-1-5386-7926-5; 2019 American Control Conference (ACC); 3642-3649; 10.23919/ACC.2019.8815332
• Orosz, Gábor and Ames, Aaron D. (2019) Safety Functionals for Time Delay Systems; ISBN 978-1-5386-7926-5; 2019 American Control Conference (ACC); 4374-4379
• Akbari Hamed, Kaveh and Ma, Wen-Loong, el al. (2019) Dynamically Stable 3D Quadrupedal Walking with Multi-Domain Hybrid System Models and Virtual Constraint Controllers; ISBN 978-1-5386-7926-5; 2019 American Control Conference (ACC); 4588-4595; 10.48550/arXiv.1810.06697
• Reher, Jacob and Ma, Wen-Loong, el al. (2019) Dynamic Walking with Compliance on a Cassie Bipedal Robot; ISBN 978-3-907144-00-8; 2019 18th European Control Conference (ECC); 2589-2595; 10.23919/ECC.2019.8796090
• Ames, Aaron D. and Coogan, Samuel, el al. (2019) Control Barrier Functions: Theory and Applications; ISBN 978-3-907144-00-8; 2019 18th European Control Conference (ECC); 3420-3431; 10.23919/ECC.2019.8796030
• Ma, Wen-Loong and Or, Yizhar, el al. (2019) Dynamic Walking on Slippery Surfaces: Demonstrating Stable Bipedal Gaits with Planned Ground Slippage; ISBN 978-1-5386-6027-0; 2019 International Conference on Robotics and Automation (ICRA); 3705-3711; 10.1109/ICRA.2019.8793761
• Chang, Alexander H. and Hubicki, Christian, el al. (2019) Every Hop is an Opportunity: Quickly Classifying and Adapting to Terrain During Targeted Hopping; ISBN 978-1-5386-6027-0; 2019 International Conference on Robotics and Automation (ICRA); 3188-3194; 10.1109/ICRA.2019.8793757
• Chen, Yuxiao and Ames, Aaron D. (2019) Duality between density function and value function with applications in constrained optimal control and Markov Decision Process; 10.48550/arXiv.1902.09583
• Kolathaya, Shishir and Ames, Aaron D. (2019) Input-to-State Safety with Control Barrier Functions; IEEE Control Systems Letters; Vol. 3; No. 1; 108-113; 10.1109/LCSYS.2018.2853698
• Harib, Omar and Hereid, Ayonga, el al. (2018) Feedback Control of an Exoskeleton for Paraplegics: Toward Robustly Stable, Hands-Free Dynamic Walking; IEEE Control Systems Magazine; Vol. 38; No. 6; 61-87; 10.1109/mcs.2018.2866604
• Nilsson, Petter and Ames, Aaron D. (2018) Barrier Functions: Bridging the Gap between Planning from Specifications and Safety-Critical Control; ISBN 978-1-5386-1395-5; 2018 IEEE Conference on Decision and Control (CDC); 765-772; 10.1109/CDC.2018.8619142
• Gurriet, Thomas and Mote, Mark, el al. (2018) An Online Approach to Active Set Invariance; ISBN 9781538613955; 2018 IEEE Conference on Decision and Control (CDC); 3592-3599; 10.1109/cdc.2018.8619139
• Gosyne, Jonathan R. and Hubicki, Christian M., el al. (2018) Bipedial Locomotion Up Sandy Slopes: Systematic Experiments Using Zero Moment Point Methods; ISBN 9781538672839; 2018 IEEE-RAS 18th International Conference on Humanoid Robots (Humanoids); 994-1001; 10.1109/humanoids.2018.8624959
• Xiong, Xiaobin and Ames, Aaron D. (2018) Coupling Reduced Order Models via Feedback Control for 3D Underactuated Bipedal Robotic Walking; ISBN 9781538672839; 2018 IEEE-RAS 18th International Conference on Humanoid Robots (Humanoids); 67-74; 10.1109/humanoids.2018.8625066
• Xiong, Xiaobin and Ames, Aaron D. (2018) Bipedal Hopping: Reduced-order Model Embedding via Optimization-based Control; ISBN 978-1-5386-8094-0; 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 3821-3828; 10.1109/IROS.2018.8593547
• Kolathaya, Shishir and Guffey, William, el al. (2018) Direct Collocation for Dynamic Behaviors with Nonprehensile Contacts: Application to Flipping Burgers; IEEE Robotics and Automation Letters; Vol. 3; No. 4; 3677-3684; 10.1109/LRA.2018.2854910
• Haesaert, S. and Nilsson, P., el al. (2018) Temporal Logic Control of POMDPs via Label-based Stochastic Simulation Relations; IFAC-PapersOnLine; Vol. 51; No. 16; 271-276; 10.1016/j.ifacol.2018.08.046
• Xu, Xiangru and Grizzle, Jessy W., el al. (2018) Correctness Guarantees for the Composition of Lane Keeping and Adaptive Cruise Control; IEEE Transactions on Automation Science and Engineering; Vol. 15; No. 3; 1216-1229; 10.1109/TASE.2017.2760863
• Kolathaya, Shishir and Reher, Jacob, el al. (2018) Input to State Stabilizing Control Lyapunov Functions for Robust Bipedal Robotic Locomotion; ISBN 978-1-5386-5428-6; 2018 Annual American Control Conference (ACC); 2224-2230; 10.23919/ACC.2018.8430946
• Akbari Hamed, Kaveh and Gregg, Robert D., el al. (2018) Exponentially Stabilizing Controllers for Multi-Contact 3D Bipedal Locomotion; ISBN 978-1-5386-5428-6; 2018 Annual American Control Conference (ACC); 2210-2217; 10.23919/ACC.2018.8431799
• Akbari Hamed, Kaveh and Ames, Aaron D., el al. (2018) Observer-Based Feedback Controllers for Exponential Stabilization of Hybrid Periodic Orbits: Application to Underactuated Bipedal Walking; ISBN 978-1-5386-5428-6; 2018 Annual American Control Conference (ACC); 1438-1445; 10.23919/ACC.2018.8431607
• Nilsson, Petter and Haesaert, Sofie, el al. (2018) Toward Specification-Guided Active Mars Exploration for Cooperative Robot Teams; ISBN 978-0-9923747-4-7; Robotics: Science and Systems XIV; 1-9; 10.15607/rss.2018.xiv.047
• Gurriet, Thomas and Finet, Sylvain, el al. (2018) Towards Restoring Locomotion for Paraplegics: Realizing Dynamically Stable Walking on Exoskeletons; ISBN 978-1-5386-3081-5; 2018 IEEE International Conference on Robotics and Automation (ICRA); 2804-2811; 10.1109/ICRA.2018.8460647
• Hereid, Ayonga and Hubicki, Christian M., el al. (2018) Dynamic Humanoid Locomotion: A Scalable Formulation for HZD Gait Optimization; IEEE Transactions on Robotics; Vol. 34; No. 2; 370-387; 10.1109/TRO.2017.2783371
• Gurriet, Thomas and Singletary, Andrew, el al. (2018) Towards a Framework for Realizable Safety Critical Control through Active Set Invariance; 10.1109/ICCPS.2018.00018
• Kolathaya, Shishir and Reher, Jacob, el al. (2018) Input to State Stability of Bipedal Walking Robots: Application to DURUS; 10.48550/arXiv.1801.00618
• Tabuada, Paulo and Ma, Wen-Loong, el al. (2017) Data-driven control for feedback linearizable single-input systems; ISBN 978-1-5090-2874-0; 2017 IEEE 56th Annual Conference on Decision and Control (CDC); 6265-6270; 10.1109/CDC.2017.8264603
• Hussien, Omar and Ames, Aaron, el al. (2017) Abstracting Partially Feedback Linearizable Systems Compositionally; IEEE Control Systems Letters; Vol. 1; No. 2; 227-232; 10.1109/LCSYS.2017.2713461
• Xiong, Xiaobin and Ames, Aaron D., el al. (2017) A stability region criterion for flat-footed bipedal walking on deformable granular terrain; ISBN 978-1-5386-2682-5; 2017 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 4552-4559; 10.1109/IROS.2017.8206323
• Hereid, Ayonga and Ames, Aaron D. (2017) FROST: Fast robot optimization and simulation toolkit; ISBN 978-1-5386-2683-2; 2017 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 719-726; 10.1109/IROS.2017.8202230
• Ames, Aaron D. and Xu, Xiangru, el al. (2017) Control Barrier Function Based Quadratic Programs for Safety Critical Systems; IEEE Transactions on Automatic Control; Vol. 62; No. 8; 3861-3876; 10.1109/TAC.2016.2638961
• Ambrose, Eric and Ma, Wen-Loong, el al. (2017) Toward benchmarking locomotion economy across design configurations on the modular robot: AMBER-3M; ISBN 978-1-5090-2182-6; 2017 IEEE Conference on Control Technology and Applications; 1270-1276; 10.1109/CCTA.2017.8062633
• Ames, Aaron D. and Tabuada, Paulo, el al. (2017) First steps toward formal controller synthesis for bipedal robots with experimental implementation; Nonlinear Analysis: Hybrid Systems; Vol. 25; 155-173; 10.1016/j.nahs.2017.01.002
• Xu, Xiangru and Waters, Thomas, el al. (2017) Realizing simultaneous lane keeping and adaptive speed regulation on accessible mobile robot testbeds; ISBN 978-1-5090-2182-6; 2017 IEEE Conference on Control Technology and Applications; 1769-1775; 10.1109/CCTA.2017.8062713
• Pickem, Daniel and Glotfelter, Paul, el al. (2017) The Robotarium: A remotely accessible swarm robotics research testbed; ISBN 978-1-5090-4633-1; 2017 IEEE International Conference on Robotics and Automation (ICRA); 1699-1706; 10.1109/ICRA.2017.7989200
• Chang, Alexander H. and Hubicki, Christian M., el al. (2017) Learning to jump in granular media: Unifying optimal control synthesis with Gaussian process-based regression; ISBN 978-1-5090-4633-1; 2017 IEEE International Conference on Robotics and Automation (ICRA); 2154-2160; 10.1109/icra.2017.7989248
• Wang, Li and Ames, Aaron D., el al. (2017) Safety Barrier Certificates for Collisions-Free Multirobot Systems; IEEE Transactions on Robotics; Vol. 33; No. 3; 661-674; 10.1109/TRO.2017.2659727
• Zhao, Huihua and Ambrose, Eric, el al. (2017) Preliminary results on energy efficient 3D prosthetic walking with a powered compliant transfemoral prosthesis; ISBN 978-1-5090-4633-1; 2017 IEEE International Conference on Robotics and Automation (ICRA); 1140-1147; 10.1109/ICRA.2017.7989136
• Azimi, Vahid and Shu, Tony, el al. (2017) Robust control of a powered transfemoral prosthesis device with experimental verification; ISBN 978-1-5090-5992-8; 2017 American Control Conference; 517-522; 10.23919/ACC.2017.7963005
• Shoukry, Yasser and Tabuada, Paulo, el al. (2017) Closed-form controlled invariant sets for pedestrian avoidance; ISBN 978-1-5090-5992-8; 2017 American Control Conference; 1622-1628; 10.23919/ACC.2017.7963185
• Grey, Michael X. and Ames, Aaron D., el al. (2017) Footstep and motion planning in semi-unstructured environments using randomized possibility graphs; ISBN 978-1-5090-4633-1; 2017 IEEE International Conference on Robotics and Automation; 4747-4753; 10.1109/ICRA.2017.7989551
• Wang, Li and Ames, Aaron D., el al. (2017) Safe certificate-based maneuvers for teams of quadrotors using differential flatness; ISBN 978-1-5090-4633-1; 2017 IEEE International Conference on Robotics and Automation; 3293-3298; 10.1109/ICRA.2017.7989375
• Zhao, Huihua and Hereid, Ayonga, el al. (2017) Multi-contact bipedal robotic locomotion; Robotica; Vol. 35; No. 5; 1072-1106; 10.1017/s0263574715000995
• Agrawal, Ayush and Harib, Omar, el al. (2017) First Steps Towards Translating HZD Control of Bipedal Robots to Decentralized Control of Exoskeletons; IEEE Access; Vol. 5; 9919-9934; 10.1109/ACCESS.2017.2690407
• Ma, Wen-Loong and Kolathaya, Shishir, el al. (2017) Bipedal Robotic Running with DURUS-2D: Bridging the Gap between Theory and Experiment; ISBN 978-1-4503-4590-3; Proceedings of the 20th International Conference on Hybrid Systems: Computation and Control - HSCC '17; 265-274; 10.1145/3049797.3049823
• Zhao, Huihua and Horn, Jonathan, el al. (2017) First steps toward translating robotic walking to prostheses: a nonlinear optimization based control approach; Autonomous Robots; Vol. 41; No. 3; 725-742; 10.1007/s10514-016-9565-1
• Grey, Michael X. and Ames, Aaron D., el al. (2017) Probabilistic Completeness of Randomized Possibility Graphs Applied to Bipedal Walking in Semi-unstructured Environments; 10.48550/arXiv.1702.00425
• Wang, Li and Ames, Aaron D., el al. (2016) Multi-objective compositions for collision-free connectivity maintenance in teams of mobile robots; ISBN 978-1-5090-1837-6; 2016 IEEE 55th Conference on Decision and Control (CDC); 2659-2664; 10.1109/CDC.2016.7798663
• Hereid, Ayonga and Kolathaya, Shishir, el al. (2016) Online optimal gait generation for bipedal walking robots using legendre pseudospectral optimization; ISBN 978-1-5090-1837-6; 2016 IEEE 55th Conference on Decision and Control (CDC); 6173-6179; 10.1109/CDC.2016.7799218
• Nguyen, Quang and Hereid, Ayonga, el al. (2016) 3D dynamic walking on stepping stones with control barrier functions; ISBN 978-1-5090-1837-6; 2016 IEEE 55th Conference on Decision and Control (CDC); 827-834; 10.1109/CDC.2016.7798370
• Zhao, Huihua and Hereid, Ayonga, el al. (2016) 3D multi-contact gait design for prostheses: Hybrid system models, virtual constraints and two-step direct collocation; ISBN 978-1-5090-1837-6; 2016 IEEE 55th Conference on Decision and Control (CDC); 3668-3674; 10.1109/CDC.2016.7798821
• Powell, Matthew J. and Ma, Wen-Loong, el al. (2016) Mechanics-based design of underactuated robotic walking gaits: Initial experimental realization; ISBN 978-1-5090-4718-5; 2016 IEEE-RAS 16th International Conference on Humanoid Robots (Humanoids); 981-986; 10.1109/humanoids.2016.7803391
• Grey, Michael X. and Liu, C. Karen, el al. (2016) Traversing Environments Using Possibility Graphs with Multiple Action Types; 10.48550/arXiv.1610.00701
• Grey, Michael X. and Garrett, Caelan R., el al. (2016) Humanoid manipulation planning using backward-forward search; ISBN 978-1-5090-3762-9; 2016 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 5467-5473; 10.1109/IROS.2016.7759804
• Hubicki, Christian M. and Aguilar, Jeff J., el al. (2016) Tractable terrain-aware motion planning on granular media: An impulsive jumping study; ISBN 978-1-5090-3762-9; 2016 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 3887-3892; 10.1109/IROS.2016.7759572
• Powell, Matthew J. and Ames, Aaron D. (2016) Mechanics-based control of underactuated 3D robotic walking: Dynamic gait generation under torque constraints; ISBN 978-1-5090-3762-9; 2016 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 555-560; 10.1109/IROS.2016.7759108
• Ma, Wen-Loong and Hereid, Ayonga, el al. (2016) Efficient HZD gait generation for three-dimensional underactuated humanoid running; ISBN 978-1-5090-3762-9; 2016 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 5819-5825; 10.1109/IROS.2016.7759856
• Grey, Michael X. and Ames, Aaron D., el al. (2016) Traversing Environments Using Possibility Graphs for Humanoid Robots; 10.48550/arXiv.1608.03845
• Kolathaya, Shishir and Morris, Benjamin J., el al. (2016) System Identification and Control of Valkyrie through SVA--Based Regressor Computation; 10.48550/arXiv.1608.02683v3
• Nilsson, Petter and Hussien, Omar, el al. (2016) Correct-by-Construction Adaptive Cruise Control: Two Approaches; IEEE Transactions on Control Systems Technology; Vol. 24; No. 4; 1294-1307; 10.1109/tcst.2015.2501351
• Powell, Matthew J. and Ames, Aaron D. (2016) Towards real-time parameter optimization for feasible nonlinear control with applications to robot locomotion; ISBN 978-1-4673-8682-1; 2016 American Control Conference (ACC); 3922-3927; 10.1109/ACC.2016.7525525
• Wang, Li and Ames, Aaron, el al. (2016) Safety barrier certificates for heterogeneous multi-robot systems; ISBN 978-1-4673-8682-1; 2016 American Control Conference (ACC); 5213-5218; 10.1109/ACC.2016.7526486
• Kolathaya, Shishir and Hereid, Ayonga, el al. (2016) Time dependent control Lyapunov functions and hybrid zero dynamics for stable robotic locomotion; ISBN 978-1-4673-8682-1; 2016 American Control Conference (ACC); 3916-3921; 10.1109/ACC.2016.7525524
• Chao, Kenneth Y. and Powell, Matthew J., el al. (2016) Unification of locomotion pattern generation and control Lyapunov function-based Quadratic Programs; ISBN 978-1-4673-8682-1; 2016 American Control Conference (ACC); 3910-3915; 10.1109/ACC.2016.7525523
• Reher, Jacob and Cousineau, Eric A., el al. (2016) Realizing dynamic and efficient bipedal locomotion on the humanoid robot DURUS; ISBN 978-1-4673-8026-3; 2016 IEEE International Conference on Robotics and Automation (ICRA); 1794-1801; 10.1109/ICRA.2016.7487325
• Hereid, Ayonga and Cousineau, Eric A., el al. (2016) 3D dynamic walking with underactuated humanoid robots: A direct collocation framework for optimizing hybrid zero dynamics; ISBN 978-1-4673-8026-3; 2016 IEEE International Conference on Robotics and Automation (ICRA); 1447-1454; 10.1109/ICRA.2016.7487279
• Hubicki, Christian M. and Hereid, Ayonga, el al. (2016) Work those arms: Toward dynamic and stable humanoid walking that optimizes full-body motion; ISBN 978-1-4673-8026-3; 2016 IEEE International Conference on Robotics and Automation (ICRA); 1552-1559; 10.1109/ICRA.2016.7487293
• Pickem, Daniel and Wang, Li, el al. (2016) Safe, Remote-Access Swarm Robotics Research on the Robotarium; 10.48550/arXiv.1604.00640
• Zhao, Huihua and Horner, Jonathan, el al. (2016) Multicontact Locomotion on Transfemoral Prostheses via Hybrid System Models and Optimization-Based Control; IEEE Transactions on Automation Science and Engineering; Vol. 13; No. 2; 502-513; 10.1109/tase.2016.2524528
• Zhao, Huihua and Horn, Jonathan, el al. (2015) A hybrid systems and optimization-based control approach to realizing multi-contact locomotion on transfemoral prostheses; ISBN 978-1-4799-7886-1; 2015 54th IEEE Conference on Decision and Control (CDC); 1607-1612; 10.1109/CDC.2015.7402440
• Morris, Benjamin J. and Powell, Matthew J., el al. (2015) Continuity and smoothness properties of nonlinear optimization-based feedback controllers; ISBN 978-1-4799-7886-1; 2015 54th IEEE Conference on Decision and Control (CDC); 151-158; 10.1109/CDC.2015.7402101
• Xu, Xiangru and Tabuada, Paulo, el al. (2015) Robustness of Control Barrier Functions for Safety Critical Control; IFAC-PapersOnLine; Vol. 48; No. 27; 54-61; 10.1016/j.ifacol.2015.11.152
• Zhao, Huihua and Reher, Jacob, el al. (2015) Realization of stair ascent and motion transitions on prostheses utilizing optimization-based control and intent recognition; ISBN 978-1-4799-1808-9; 2015 IEEE International Conference on Rehabilitation Robotics (ICORR); 265-270; 10.1109/icorr.2015.7281210
• Mehra, Aakar and Ma, Wen-Loong, el al. (2015) Adaptive cruise control: Experimental validation of advanced controllers on scale-model cars; ISBN 978-1-4799-8684-2; 2015 American Control Conference (ACC); 1411-1418; 10.1109/acc.2015.7170931
• Hsu, Shao-Chen and Xu, Xiangru, el al. (2015) Control barrier function based quadratic programs with application to bipedal robotic walking; ISBN 978-1-4799-8684-2; 2015 American Control Conference (ACC); 4542-4548; 10.1109/ACC.2015.7172044
• Sinnet, Ryan W. and Ames, Aaron D. (2015) Energy shaping of hybrid systems via control Lyapunov functions; ISBN 978-1-4799-8684-2; 2015 American Control Conference (ACC); 5992-5997; 10.1109/ACC.2015.7172280
• Ames, Aaron D. and Tabuada, Paulo, el al. (2015) First steps toward formal controller synthesis for bipedal robots; ISBN 978-1-4503-3433-4; Proceedings of the 18th International Conference on Hybrid Systems: Computation and Control; 209-218; 10.1145/2728606.2728611
• Hereid, Ayonga and Hubicki, Christian M., el al. (2015) Hybrid zero dynamics based multiple shooting optimization with applications to robotic walking; ISBN 978-1-4799-6923-4; 2015 IEEE International Conference on Robotics and Automation (ICRA); 5734-5740; 10.1109/icra.2015.7140002
• Powell, Matthew J. and Cousineau, Eric A., el al. (2015) Model predictive control of underactuated bipedal robotic walking; ISBN 978-1-4799-6923-4; 2015 IEEE International Conference on Robotics and Automation (ICRA); 5121-5126; 10.1109/ICRA.2015.7139912
• Cousineau, Eric and Ames, Aaron D. (2015) Realizing underactuated bipedal walking with torque controllers via the ideal model resolved motion method; ISBN 978-1-4799-6923-4; 2015 IEEE International Conference on Robotics and Automation (ICRA); 5747-5753; 10.1109/ICRA.2015.7140004
• Kolathaya, Shishir and Ma, Wen-Loong, el al. (2015) Composing Dynamical Systems to Realize Dynamic Robotic Dancing; ISBN 978-3-319-16594-3; Algorithmic Foundations of Robotics XI: Selected Contributions of the Eleventh International Workshop on the Algorithmic Foundations of Robotics; 425-442; 10.1007/978-3-319-16595-0_25
• Zhao, Huihua and Reher, Jake, el al. (2015) Demonstration of locomotion with the powered prosthesis AMPRO utilizing online optimization-based control; ISBN 9781450334334; Proceedings of the 18th International Conference on Hybrid Systems: Computation and Control; 305-306; 10.1145/2728606.2728638
• Ames, Aaron D. and Holley, James (2014) Quadratic program based nonlinear embedded control of series elastic actuators; ISBN 978-1-4673-6090-6; 53rd IEEE Conference on Decision and Control; 6291-6298; 10.1109/CDC.2014.7040375
• Ames, Aaron D. and Grizzle, Jessy W., el al. (2014) Control barrier function based quadratic programs with application to adaptive cruise control; ISBN 978-1-4673-6090-6; 53rd IEEE Conference on Decision and Control; 6271-6278; 10.1109/CDC.2014.7040372
• Nilsson, Petter and Hussien, Omar, el al. (2014) Preliminary results on correct-by-construction control software synthesis for adaptive cruise control; ISBN 978-1-4673-6090-6; 53rd IEEE Conference on Decision and Control; 816-823; 10.1109/cdc.2014.7039482
• Powell, Matthew J. and Ames, Aaron D. (2014) Hierarchical control of series elastic actuators through control Lyapunov functions; ISBN 978-1-4673-6090-6; 53rd IEEE Conference on Decision and Control; 2986-2992; 10.1109/CDC.2014.7039848
• Hereid, Ayonga and Powell, Matthew J., el al. (2014) Embedding of SLIP dynamics on underactuated bipedal robots through multi-objective quadratic program based control; ISBN 978-1-4673-6090-6; 53rd IEEE Conference on Decision and Control; 2950-2957; 10.1109/CDC.2014.7039843
• Zhao, Huihua and Ames, Aaron D. (2014) Quadratic program based control of fully-actuated transfemoral prosthesis for flat-ground and up-slope locomotion; ISBN 9781479932726; 2014 American Control Conference; 4101-4107; 10.1109/ACC.2014.6859014
• Lack, Jordan and Powell, Matthew J., el al. (2014) Planar multi-contact bipedal walking using hybrid zero dynamics; ISBN 978-1-4799-3685-4; 2014 IEEE International Conference on Robotics and Automation (ICRA); 2582-2588; 10.1109/ICRA.2014.6907229
• Zhao, Huihua and Kolathaya, Shishir, el al. (2014) Quadratic programming and impedance control for transfemoral prosthesis; ISBN 978-1-4799-3685-4; 2014 IEEE International Conference on Robotics and Automation (ICRA); 1341-1347; 10.1109/ICRA.2014.6907026
• Ma, Wen-Loong and Zhao, Hui-Hua, el al. (2014) Human-inspired walking via unified PD and impedance control; ISBN 978-1-4799-3685-4; 2014 IEEE International Conference on Robotics and Automation (ICRA); 5088-5094; 10.1109/icra.2014.6907605
• Zhao, Hui-Hua and Ma, Wen-Loong, el al. (2014) Human-inspired multi-contact locomotion with AMBER2; ISBN 978-1-4799-4930-4; 2014 ACM/IEEE International Conference on Cyber-Physical Systems (ICCPS); 199-210; 10.1109/iccps.2014.6843723
• Aghasadeghi, Navid and Zhao, Huihua, el al. (2013) Learning impedance controller parameters for lower-limb prostheses; ISBN 9781467363587; 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); 4268-4274; 10.1109/IROS.2013.6696968
• Powell, Matthew J. and Hereid, Ayonga, el al. (2013) Speed regulation in 3D robotic walking through motion transitions between Human-Inspired partial hybrid zero dynamics; ISBN 978-1-4673-5643-5; 2013 IEEE International Conference on Robotics and Automation; 4803-4810; 10.1109/ICRA.2013.6631262
• Galloway, Kevin and Sreenath, Koushil, el al. (2013) Torque Saturation in Bipedal Robotic Walking through Control Lyapunov Function Based Quadratic Programs; 10.48550/arXiv.1302.7314
• Ames, Aaron D. and Galloway, Kevin, el al. (2012) Control Lyapunov functions and hybrid zero dynamics; ISBN 978-1-4673-2066-5; 51st IEEE Conference on Decision and Control; 6837-6842; 10.1109/CDC.2012.6426229
• Kolathaya, Shishir and Ames, Aaron D. (2012) Achieving bipedal locomotion on rough terrain through human-inspired control; ISBN 978-1-4799-0165-4; 2012 IEEE International Symposium on Safety, Security, and Rescue Robotics (SSRR); 1-6; 10.1109/SSRR.2012.6523897
• Taha, Walid and Brauner, Paul, el al. (2012) A Core Language for Executable Models of Cyber-Physical Systems (Preliminary Report); ISBN 9781467314237; 32nd International Conference on Distributed Computing Systems Workshops; 303-308; 10.1109/icdcsw.2012.72
• Yadukumar, Shishir Nadubettu and Kothapalli, Bhargav, el al. (2012) Zeno behavior in electromechanical hybrid systems: From theory to experimental validation; ISBN 978-1-4577-1096-4; 2012 American Control Conference (ACC); 2437-2442; 10.1109/ACC.2012.6315696
• Sinnet, Ryan W. and Ames, Aaron D. (2012) Extending two-dimensional human-inspired bipedal robotic walking to three dimensions through geometric reduction; ISBN 978-1-4577-1096-4; 2012 American Control Conference (ACC); 4831-4836; 10.1109/ACC.2012.6315667
• Jiang, Shu and Partrick, Shawanee, el al. (2012) Outputs of human walking for bipedal robotic controller design; ISBN 978-1-4577-1096-4; 2012 American Control Conference (ACC); 4843-4848; 10.1109/ACC.2012.6315648
• Wendel, Eric and Ames, Aaron D. (2011) Rank deficiency and superstability of hybrid systems with application to bipedal robots; ISBN 978-1-61284-801-3; 2011 50th IEEE Conference on Decision and Control and European Control Conference; 7422-7427; 10.1109/CDC.2011.6160972
• Sinnet, Ryan W. and Powell, Matthew J., el al. (2011) Compass gait revisited: A human data perspective with extensions to three dimensions; ISBN 978-1-61284-801-3; 2011 50th IEEE Conference on Decision and Control and European Control Conference; 682-689; 10.1109/CDC.2011.6161473
• Sinnet, Ryan W. and Zhao, Huihua, el al. (2011) Simulating prosthetic devices with human-inspired hybrid control; ISBN 978-1-61284-456-5; 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems; 1723-1730; 10.1109/IROS.2011.6095186
• Or, Yizhar and Ames, Aaron D. (2011) Stability and Completion of Zeno Equilibria in Lagrangian Hybrid Systems; IEEE Transactions on Automatic Control; Vol. 56; No. 6; 1322-1336; 10.1109/TAC.2010.2080790
• Sinnet, Ryan W. and Ames, Aaron D. (2009) 3D bipedal walking with knees and feet: A hybrid geometric approach; ISBN 978-1-4244-3872-3; Proceedings of the 48h IEEE Conference on Decision and Control (CDC) held jointly with 2009 28th Chinese Control Conference; 3208-3213; 10.1109/CDC.2009.5400457
• Sinnet, Ryan W. and Ames, Aaron D. (2009) 2D bipedal walking with knees and feet: A hybrid control approach; ISBN 978-1-4244-3872-3; Proceedings of the 48h IEEE Conference on Decision and Control (CDC) held jointly with 2009 28th Chinese Control Conference; 3200-3207; 10.1109/CDC.2009.5400503
• Or, Yizhar and Ames, Aaron D. (2009) Formal and practical completion of Lagrangian hybrid systems; ISBN 978-1-4244-4523-3; American Control Conference, 2009; 3624-3631; 10.1109/ACC.2009.5159852
• Or, Yizhar and Ames, Aaron D. (2009) Existence of Periodic Orbits with Zeno Behavior in Completed Lagrangian Hybrid Systems; ISBN 978-3-642-00601-2; Hybrid Systems: Computation and Control 2009; 291-305; 10.1007/978-3-642-00602-9_21
• Or, Yizhar and Ames, Aaron D. (2008) Stability of Zeno equilibria in Lagrangian hybrid systems; ISBN 978-1-4244-3124-3; 47th IEEE Conference on Decision and Control; 2770-2775; 10.1109/CDC.2008.4739235
• Lamperski, Andrew and Ames, Aaron D. (2008) On the existence of Zeno behavior in hybrid systems with non-isolated Zeno equilibria; ISBN 978-1-4244-3124-3; 47th IEEE Conference on Decision and Control; 2776-2781; 10.1109/CDC.2008.4739100
• Or, Yizhar and Ames, Aaron D. (2008) Stability of Zeno Equilibria in Lagrangian Hybrid Systems
• Lamperski, Andrew and Ames, Aaron D. (2008) Sufficient conditions for Zeno behavior in Lagrangian hybrid systems; ISBN 978-3-540-78928-4; Hybrid systems : computation and control : 11th international workshop; 622-625; 10.1007/978-3-540-78929-1_49
• Ames, Aaron D. and Doyle, John C. (2008) Complexity and fragility in stability for linear systems; ISBN 978-1-4244-2078-0; 2008 American Control Conference; 1630-1637; 10.1109/ACC.2008.4586725
• Ames, Aaron D. and Abate, Alessandro, el al. (2008) Sufficient conditions for the existence of Zeno behavior in a class of nonlinear hybrid systems via constant approximations; ISBN 978-1-4244-1497-0; 46th IEEE Conference on Decision and Control; 5420-5425; 10.1109/CDC.2007.4434891
• Lamperski, Andrew and Ames, Aaron D. (2008) Lyapunov-Like Conditions for the Existence of Zeno Behavior in Hybrid and Lagrangian Hybrid Systems; ISBN 978-1-4244-1497-0; 46th IEEE Conference on Decision and Control; 115-120; 10.1109/CDC.2007.4435003
• Ames, Aaron D. and Gregg, Robert D., el al. (2007) A geometric approach to three-dimensional hipped bipedal robotic walking; ISBN 978-1-4244-1497-0; 46th IEEE Conference on Decision and Control; 5348-5355; 10.1109/CDC.2007.4434880
• Ames, Aaron D. and Gregg, Robert D. (2007) Stably Extending Two-Dimensional Bipedal Walking to Three Dimensions; ISBN 978-1-4244-0988-4; 2007 American Control Conference; 5658-5664; 10.1109/ACC.2007.4283081
• Ganesh, Sumitra and Ames, Aaron D., el al. (2007) Composition of Dynamical Systems for Estimation of Human Body Dynamics; ISBN 978-3-540-71492-7; Hybrid Systems: Computation and Control; 702-705; 10.1007/978-3-540-71493-4_65
• Ames, Aaron D. and Gregg, Robert D., el al. (2007) On the Geometric Reduction of Controlled Three-Dimensional Bipedal Robotic Walkers; ISBN 978-3-540-73889-3; Lagrangian and Hamiltonian Methods for Nonlinear Control 2006; 183-196; 10.1007/978-3-540-73890-9_14
• Pekarek, David and Ames, Aaron D., el al. (2007) Discrete Mechanics and Optimal Control Applied to the Compass Gait Biped; ISBN 978-1-4244-1497-0; 46th IEEE Conference on Decision and Control; 5376-5382; 10.1109/CDC.2007.4434296
• Ames, Aaron D. (2007) Homotopy Meaningful Hybrid Model Structures; ISBN 978-0-8218-4246-1; Topology and Robotics; 121-144
• Tabuada, Paulo and Ames, Aaron D., el al. (2006) Approximate Reduction of Dynamical Systems; ISBN 1-4244-0171-2; Proceedings of the 45th IEEE Conference on Decision and Control; 6408-6413; 10.1109/CDC.2006.377156
• Abate, Alessandro and Ames, Aaron D., el al. (2006) A priori detection of Zeno behavior in communication networks modeled as hybrid systems; ISBN 1-4244-0209-3; 2006 American Control Conference; 3340-3345; 10.1109/ACC.2006.1657234
• Ames, Aaron D. and Sastry, Shankar (2006) Hybrid cotangent bundle reduction of simple hybrid mechanical systems with symmetry; ISBN 1-4244-0209-3; 2006 American Control Conference; 2646-2651; 10.1109/ACC.2006.1656622
• Ames, Aaron D. and Sastry, Shankar (2006) Hybrid Routhian reduction of Lagrangian hybrid systems; ISBN 1-4244-0209-3; 2006 American Control Conference; 2640-2645; 10.1109/ACC.2006.1656621
• Ames, Aaron D. and Zheng, Haiyang, el al. (2006) Is there life after Zeno? Taking executions past the breaking (Zeno) point; ISBN 1-4244-0209-3; 2006 American Control Conference; 2652-2657; 10.1109/ACC.2006.1656623
• Abate, Alessandro and Ames, Aaron D., el al. (2006) Error bounds based stochastic approximations and simulations of hybrid dynamical systems; ISBN 1-4244-0209-3; 2006 American Control Conference; 4742-4747; 10.1109/ACC.2006.1657470
• Ames, Aaron D. and Sastry, Shankar (2006) Hybrid Geometric Reduction of Hybrid Systems; ISBN 978-1-4244-0170-3; Proceedings of the 45th IEEE Conference on Decision and Control; 923-929; 10.1109/CDC.2006.377245
• Sprinkle, Jonathan and Ames, Aaron D., el al. (2005) On the Partitioning of Syntax and Semantics For Hybrid Systems Tools; ISBN 0-7803-9567-0; Proceedings of the 44th IEEE Conference on Decision and Control; 4694-4699; 10.1109/CDC.2005.1582903
• Ames, Aaron D. and Abate, Alessandro, el al. (2005) Sufficient Conditions for the Existence of Zeno Behavior; ISBN 0-7803-9568-9; Proceedings of the 44th IEEE Conference on Decision and Control and the European Control Conference; 696-701; 10.1109/CDC.2005.1582237
• Ames, Aaron D. and Sastry, Shankar (2005) Characterization of Zeno behavior in hybrid systems using homological methods; ISBN 0-7803-9098-9; 2005 American Control Conference; 1160-1165; 10.1109/ACC.2005.1470118
• Abate, Alessandro and Ames, Aaron D., el al. (2005) Stochastic approximations of hybrid systems; ISBN 0-7803-9098-9; 2005 American Control Conference; 1557-1562; 10.1109/ACC.2005.1470189
• Ames, Aaron D. and Sastry, Shankar (2004) Blowing up affine hybrid systems; ISBN 0-7803-8682-5; 43rd IEEE Conference on Decision and Control; 473-478; 10.1109/CDC.2004.1428675