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Robert D. Gregg IV
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- affiliation: University of Texas at Dallas, Department of Mechanical Engineering, USA
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2020 – today
- 2024
- [j38]Ting-Wei Hsu
, Robert D. Gregg
, Gray C. Thomas
:
Robustification of Bayesian-Inference-Based Gait Estimation for Lower-Limb Wearable Robots. IEEE Robotics Autom. Lett. 9(3): 2104-2111 (2024) - [j37]Duong Le
, Shihao Cheng
, Robert D. Gregg
, Maani Ghaffari
:
Transfer Learning for Efficient Intent Prediction in Lower-Limb Prosthetics: A Strategy for Limited Datasets. IEEE Robotics Autom. Lett. 9(5): 4321-4328 (2024) - [j36]Jianping Lin
, Robert D. Gregg
, Peter B. Shull
:
Improving Task-Agnostic Energy Shaping Control of Powered Exoskeletons With Task/Gait Classification. IEEE Robotics Autom. Lett. 9(8): 6848-6855 (2024) - [j35]Isaac Richard Harris
, Elliott J. Rouse
, Robert D. Gregg
, Gray Cortright Thomas
:
A Control Framework for Accurate Mechanical Impedance Rendering With Series-Elastic Joints in Prosthetic Actuation Applications. IEEE Robotics Autom. Lett. 9(8): 6983-6990 (2024) - [j34]James P. Schmiedeler
, Robert D. Gregg
:
The Next Generation of Robotics: The 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems in Detroit, MI, USA [Conference Highlights]. IEEE Robotics Autom. Mag. 31(2): 135-140 (2024) - [j33]Shihao Cheng
, Curt A. Laubscher
, Robert D. Gregg
:
Automatic Stub Avoidance for a Powered Prosthetic Leg Over Stairs and Obstacles. IEEE Trans. Biomed. Eng. 71(5): 1499-1510 (2024) - [c64]Albert J. Lee, Curt A. Laubscher, T. Kevin Best, Robert D. Gregg:
Towards a Unified Approach for Continuously-Variable Impedance Control of Powered Prosthetic Legs over Walking Speeds and Inclines. ICRA 2024: 944-950 - 2023
- [j32]T. Kevin Best
, Cara Gonzalez Welker
, Elliott J. Rouse
, Robert D. Gregg
:
Data-Driven Variable Impedance Control of a Powered Knee-Ankle Prosthesis for Adaptive Speed and Incline Walking. IEEE Trans. Robotics 39(3): 2151-2169 (2023) - [j31]Roberto Leo Medrano
, Gray Cortright Thomas
, Connor G. Keais
, Elliott J. Rouse
, Robert D. Gregg
:
Real-Time Gait Phase and Task Estimation for Controlling a Powered Ankle Exoskeleton on Extremely Uneven Terrain. IEEE Trans. Robotics 39(3): 2170-2182 (2023) - [c63]Jiefu Zhang, Jianping Lin
, Vamsi Peddinti, Robert D. Gregg:
Optimal Energy Shaping Control for a Backdrivable Hip Exoskeleton. ACC 2023: 2065-2070 - [c62]Emily G. Keller, Curt A. Laubscher, Robert D. Gregg:
Gait Event Detection with Proprioceptive Force Sensing in a Powered Knee-Ankle Prosthesis: Validation over Walking Speeds and Slopes. ICRA 2023: 10464-10470 - [c61]T. Kevin Best, Curt A. Laubscher, Ross J. Cortino, Shihao Cheng, Robert D. Gregg:
Improving Amputee Endurance Over Activities of Daily Living with a Robotic Knee-Ankle Prosthesis: A Case Study. IROS 2023: 2101-2107 - [c60]Shihao Cheng, Curt A. Laubscher, Robert D. Gregg:
Controlling Powered Prosthesis Kinematics Over Continuous Transitions Between Walk and Stair Ascent. IROS 2023: 2108-2115 - [c59]José A. Montes-Pérez, Gray Cortright Thomas, Robert D. Gregg:
Effects of Personalization on Gait-State Tracking Performance Using Extended Kalman Filters. IROS 2023: 6068-6074 - [c58]Katharine Walters, Gray C. Thomas, Jianping Lin, Robert D. Gregg:
An Energetic Approach to Task-Invariant Ankle Exoskeleton Control. IROS 2023: 6082-6089 - [i9]Ung Hee Lee, Tor Shepherd, Sangbae Kim, Avik De, Hao Su, Robert D. Gregg, Luke M. Mooney, Elliott J. Rouse:
How to Model Brushless Electric Motors for the Design of Lightweight Robotic Systems. CoRR abs/2310.00080 (2023) - 2022
- [j30]Christopher Nesler
, Gray C. Thomas
, Nikhil Divekar
, Elliott J. Rouse
, Robert D. Gregg
:
Enhancing Voluntary Motion With Modular, Backdrivable, Powered Hip and Knee Orthoses. IEEE Robotics Autom. Lett. 7(3): 6155-6162 (2022) - [j29]Roberto Leo Medrano
, Gray Cortright Thomas
, Elliott J. Rouse
, Robert D. Gregg
:
Analysis of the Bayesian Gait-State Estimation Problem for Lower-Limb Wearable Robot Sensor Configurations. IEEE Robotics Autom. Lett. 7(3): 7463-7470 (2022) - [j28]Saurav Kumar
, Oleg Makarenkov
, Robert D. Gregg
, Nicholas R. Gans
:
Stability of Time-Invariant Extremum Seeking Control for Limit Cycle Minimization. IEEE Trans. Autom. Control. 67(9): 5017-5024 (2022) - [j27]Jonathan C. Horn
, Robert D. Gregg
:
Nonholonomic Virtual Constraints for Control of Powered Prostheses Across Walking Speeds. IEEE Trans. Control. Syst. Technol. 30(5): 2062-2071 (2022) - [c57]Sicong Guo, Robert D. Gregg, Edgar A. Bolívar-Nieto
:
Convex Optimization for Spring Design of Parallel Elastic Actuators. ACC 2022: 3688-3694 - [c56]Roberto Leo Medrano, Gray Cortright Thomas, Elliott J. Rouse, Robert D. Gregg:
Analysis of the Bayesian Gait-State Estimation Problem for Lower-Limb Wearable Robot Sensor Configurations. BioRob 2022: 1-8 - [c55]Ross J. Cortino, Edgar A. Bolívar-Nieto
, T. Kevin Best
, Robert D. Gregg:
Stair Ascent Phase-Variable Control of a Powered Knee-Ankle Prosthesis. ICRA 2022: 5673-5678 - [c54]Cara Gonzalez Welker
, T. Kevin Best
, Robert D. Gregg:
Data-Driven Variable Impedance Control of a Powered Knee-Ankle Prosthesis for Sit, Stand, and Walk with Minimal Tuning. IROS 2022: 9660-9667 - [d4]Toby Elery
, Siavash Rezazadeh
, Emma Reznick, Leslie Gray
, Robert D. Gregg
:
Effects of a Powered Knee-Ankle Prosthesis on Amputee Hip Compensations: A Case Series. IEEE DataPort, 2022 - [d3]Rebecca Macaluso, Kyle R. Embry, Dario J. Villarreal, Robert D. Gregg:
Human Leg Kinematics, Kinetics, and EMG during Phase-Shifting Perturbations at Varying Inclines. IEEE DataPort, 2022 - [d2]Christopher Nesler, Gray C. Thomas, Nikhil Divekar, Elliott J. Rouse, Robert D. Gregg:
Bill of Materials and Component CAD for a Modular Exoskeleton. IEEE DataPort, 2022 - [i8]Roberto Leo Medrano, Gray Cortright Thomas, Connor G. Keais, Elliott J. Rouse, Robert D. Gregg:
Real-Time Gait Phase and Task Estimation for Controlling a Powered Ankle Exoskeleton on Extremely Uneven Terrain. CoRR abs/2205.00155 (2022) - [i7]Duong Le, Shihao Cheng, Robert D. Gregg, Maani Ghaffari:
Deep Convolutional Neural Network and Transfer Learning for Locomotion Intent Prediction. CoRR abs/2209.12365 (2022) - [i6]Jiefu Zhang, Jianping Lin, Vamsi Peddinti, Robert D. Gregg:
Optimal Energy Shaping Control for a Backdrivable Hip Exoskeleton. CoRR abs/2210.03777 (2022) - 2021
- [j26]Ge Lv
, Jianping Lin
, Robert D. Gregg
:
Trajectory-Free Control of Lower-Limb Exoskeletons Through Underactuated Total Energy Shaping. IEEE Access 9: 95427-95443 (2021) - [j25]Jianping Lin
, Nikhil V. Divekar, Ge Lv
, Robert D. Gregg
:
Optimal Task-Invariant Energetic Control for a Knee-Ankle Exoskeleton. IEEE Control. Syst. Lett. 5(5): 1711-1716 (2021) - [j24]Vinay R. Kamidi
, Jonathan C. Horn
, Robert D. Gregg
, Kaveh Akbari Hamed
:
Distributed Controllers for Human-Robot Locomotion: A Scalable Approach Based on Decomposition and Hybrid Zero Dynamics. IEEE Control. Syst. Lett. 5(6): 1976-1981 (2021) - [c53]Vinay R. Kamidi, Jonathan C. Horn, Robert D. Gregg, Kaveh Akbari Hamed:
Distributed Controllers for Human-Robot Locomotion: A Scalable Approach Based on Decomposition and Hybrid Zero Dynamics. ACC 2021: 2049-2054 - [c52]Jianping Lin, Nikhil V. Divekar
, Ge Lv, Robert D. Gregg:
Optimal Task-Invariant Energetic Control for a Knee-Ankle Exoskeleton. ACC 2021: 5029-5034 - [c51]Daphna Raz, Edgar A. Bolívar-Nieto
, Necmiye Ozay
, Robert D. Gregg:
Toward Phase-Variable Control of Sit-to-Stand Motion with a Powered Knee-Ankle Prosthesis. CCTA 2021: 627-633 - [c50]Gray Cortright Thomas, Robert D. Gregg:
An Energy Shaping Exoskeleton Controller for Human Strength Amplification. CDC 2021: 1419-1425 - [c49]Preeti Kannapan, David G. Garmire, Robert D. Gregg IV:
EMMA: Earthworm Mimetic Manipulator Architecture for Access-Constrained Environments. ICAR 2021: 1129-1136 - [c48]T. Kevin Best
, Kyle R. Embry, Elliott J. Rouse, Robert D. Gregg:
Phase-Variable Control of a Powered Knee-Ankle Prosthesis over Continuously Varying Speeds and Inclines. IROS 2021: 6182-6189 - [c47]Edgar A. Bolívar-Nieto
, Gray C. Thomas, Elliott J. Rouse, Robert D. Gregg:
Convex Optimization for Spring Design in Series Elastic Actuators: From Theory to Practice. IROS 2021: 9327-9332 - [i5]Emma Reznick, Kyle R. Embry, Ross M. Neuman, Edgar A. Bolívar-Nieto, Nicholas P. Fey, Robert D. Gregg:
Lower-limb kinematics and kinetics during continuously varying human locomotion. CoRR abs/2108.12307 (2021) - [i4]Christopher Nesler, Gray C. Thomas, Nikhil Divekar, Elliott J. Rouse, Robert D. Gregg:
Enhancing Voluntary Motion with Modular, Backdrivable, Powered Hip and Knee Orthoses. CoRR abs/2110.01562 (2021) - 2020
- [j23]Jonathan C. Horn
, Alireza Mohammadi
, Kaveh Akbari Hamed
, Robert D. Gregg
:
Nonholonomic Virtual Constraint Design for Variable-Incline Bipedal Robotic Walking. IEEE Robotics Autom. Lett. 5(2): 3691-3698 (2020) - [j22]Saurav Kumar
, Matthew Richard Zwall, Edgar A. Bolívar-Nieto
, Robert D. Gregg
, Nicholas R. Gans
:
Extremum Seeking Control for Stiffness Auto-Tuning of a Quasi-Passive Ankle Exoskeleton. IEEE Robotics Autom. Lett. 5(3): 4604-4611 (2020) - [j21]Saurav Kumar
, Alireza Mohammadi
, David Quintero
, Siavash Rezazadeh, Nicholas R. Gans
, Robert D. Gregg
:
Extremum Seeking Control for Model-Free Auto-Tuning of Powered Prosthetic Legs. IEEE Trans. Control. Syst. Technol. 28(6): 2120-2135 (2020) - [j20]Toby Elery
, Siavash Rezazadeh
, Christopher Nesler
, Robert D. Gregg
:
Design and Validation of a Powered Knee-Ankle Prosthesis With High-Torque, Low-Impedance Actuators. IEEE Trans. Robotics 36(6): 1649-1668 (2020) - [c46]Ge Lv
, Haosen Xing, Jianping Lin
, Robert D. Gregg, Christopher G. Atkeson:
A Task-Invariant Learning Framework of Lower-Limb Exoskeletons for Assisting Human Locomotion. ACC 2020: 569-576 - [c45]Emma Reznick, Kyle R. Embry, Robert D. Gregg:
Predicting Individualized Joint Kinematics over a Continuous Range of Slopes and Speeds. BioRob 2020: 666-672 - [c44]Nikhil V. Divekar
, Jianping Lin
, Christopher Nesler
, Sara Borboa, Robert D. Gregg:
A Potential Energy Shaping Controller with Ground Reaction Force Feedback for a Multi-Activity Knee-Ankle Exoskeleton. BioRob 2020: 997-1003
2010 – 2019
- 2019
- [j19]Siavash Rezazadeh
, David Quintero, Nikhil Divekar
, Emma Reznick, Leslie Gray
, Robert D. Gregg
:
A Phase Variable Approach for Improved Rhythmic and Non-Rhythmic Control of a Powered Knee-Ankle Prosthesis. IEEE Access 7: 109840-109855 (2019) - [j18]Jonathan C. Horn
, Alireza Mohammadi
, Kaveh Akbari Hamed
, Robert D. Gregg
:
Hybrid Zero Dynamics of Bipedal Robots Under Nonholonomic Virtual Constraints. IEEE Control. Syst. Lett. 3(2): 386-391 (2019) - [j17]Kaveh Akbari Hamed
, Robert D. Gregg IV
:
Decentralized Event-Based Controllers for Robust Stabilization of Hybrid Periodic Orbits: Application to Underactuated 3-D Bipedal Walking. IEEE Trans. Autom. Control. 64(6): 2266-2281 (2019) - [c43]Jianping Lin
, Ge Lv
, Robert D. Gregg
:
Contact-Invariant Total Energy Shaping Control for Powered Exoskeletons. ACC 2019: 664-670 - [c42]Saurav Kumar
, Alireza Mohammadi
, Robert D. Gregg, Nicholas R. Gans
:
Limit Cycle Minimization by Time-Invariant Extremum Seeking Control. ACC 2019: 2359-2365 - [c41]Jianping Lin
, Nikhil Divekar
, Ge Lv
, Robert D. Gregg
:
Energy Shaping Control with Virtual Spring and Damper for Powered Exoskeletons. CDC 2019: 3039-3045 - [c40]Edgar Bolívar
, Siavash Rezazadeh, Tyler H. Summers, Robert D. Gregg:
Robust Optimal Design of Energy Efficient Series Elastic Actuators: Application to a Powered Prosthetic Ankle. ICORR 2019: 740-747 - [c39]Hanqi Zhu, Christopher Nesler
, Nikhil Divekar
, M. Taha Ahmad, Robert D. Gregg
:
Design and Validation of a Partial-Assist Knee Orthosis with Compact, Backdrivable Actuation. ICORR 2019: 917-924 - [d1]Kyle R. Embry, Dario J. Villarreal, R. Macaluso, Robert D. Gregg:
The Effect of Walking Incline and Speed on Human Leg Kinematics, Kinetics, and EMG. IEEE DataPort, 2019 - 2018
- [j16]Ge Lv
, Robert D. Gregg
:
Underactuated Potential Energy Shaping With Contact Constraints: Application to a Powered Knee-Ankle Orthosis. IEEE Trans. Control. Syst. Technol. 26(1): 181-193 (2018) - [j15]David Quintero
, Anne E. Martin, Robert D. Gregg
:
Toward Unified Control of a Powered Prosthetic Leg: A Simulation Study. IEEE Trans. Control. Syst. Technol. 26(1): 305-312 (2018) - [j14]David Quintero
, Dario J. Villarreal, Daniel J. Lambert, Susan Kapp, Robert D. Gregg
:
Continuous-Phase Control of a Powered Knee-Ankle Prosthesis: Amputee Experiments Across Speeds and Inclines. IEEE Trans. Robotics 34(3): 686-701 (2018) - [c38]Kaveh Akbari Hamed, Aaron D. Ames
, Robert D. Gregg:
Observer-Based Feedback Controllers for Exponential Stabilization of Hybrid Periodic Orbits: Application to Underactuated Bipedal Walking. ACC 2018: 1438-1445 - [c37]Kaveh Akbari Hamed, Robert D. Gregg, Aaron D. Ames
:
Exponentially Stabilizing Controllers for Multi-Contact 3D Bipedal Locomotion. ACC 2018: 2210-2217 - [c36]Mark R. Yeatman, Ge Lv
, Robert D. Gregg:
Passivity-Based Control with a Generalized Energy Storage Function for Robust Walking of Biped Robots. ACC 2018: 2958-2963 - [c35]Alireza Mohammadi
, Seyed Abolfazl Fakoorian, Jonathan C. Horn, Dan Simon, Robert D. Gregg:
Hybrid Nonlinear Disturbance Observer Design for Underactuated Bipedal Robots. CDC 2018: 1217-1224 - [c34]Toby Elery, Siavash Rezazadeh, Christopher Nesler, Jack Doan, Hanqi Zhu, Robert D. Gregg:
Design and Benchtop Validation of a Powered Knee-Ankle Prosthesis with High-Torque, Low-Impedance Actuators. ICRA 2018: 2788-2795 - [c33]Siavash Rezazadeh, David Quintero, Nikhil Divekar
, Robert D. Gregg:
A Phase Variable Approach to Volitional Control of Powered Knee-Ankle Prostheses. IROS 2018: 2292-2298 - [i3]Edgar Bolívar, Siavash Rezazadeh, Robert D. Gregg:
Minimizing Energy Consumption and Peak Power of Series Elastic Actuators: a Convex Optimization Framework for Elastic Element Design. CoRR abs/1811.05057 (2018) - [i2]Siavash Rezazadeh, David Quintero, Nikhil Divekar, Emma Reznick, Leslie Gray, Robert D. Gregg:
A Phase Variable Approach for Improved Volitional and Rhythmic Control of a Powered Knee-Ankle Prosthesis. CoRR abs/1811.05414 (2018) - [i1]Edgar Bolívar, Siavash Rezazadeh, Tyler H. Summers, Robert D. Gregg:
Robust Optimal Design of Energy Efficient Series Elastic Actuators: Application to a Powered Prosthetic Ankle. CoRR abs/1812.04771 (2018) - 2017
- [j13]Anne E. Martin
, Robert D. Gregg
:
Stable, Robust Hybrid Zero Dynamics Control of Powered Lower-Limb Prostheses. IEEE Trans. Autom. Control. 62(8): 3930-3942 (2017) - [j12]Kaveh Akbari Hamed
, Robert D. Gregg:
Decentralized Feedback Controllers for Robust Stabilization of Periodic Orbits of Hybrid Systems: Application to Bipedal Walking. IEEE Trans. Control. Syst. Technol. 25(4): 1153-1167 (2017) - [c32]Ge Lv
, Robert D. Gregg
:
Towards total energy shaping control of lower-limb exoskeletons. ACC 2017: 4851-4857 - [c31]Saurav Kumar
, Alireza Mohammadi
, Nicholas R. Gans
, Robert D. Gregg:
Automatic tuning of virtual constraint-based control algorithms for powered knee-ankle prostheses. CCTA 2017: 812-818 - [c30]Alireza Mohammadi
, Jonathan Horn, Robert D. Gregg:
Removing phase variables from biped robot parametric gaits. CCTA 2017: 834-840 - [c29]David Quintero, Daniel J. Lambert, Dario J. Villarreal, Robert D. Gregg:
Real-Time continuous gait phase and speed estimation from a single sensor. CCTA 2017: 847-852 - [c28]Dario J. Villarreal, David Quintero, Robert D. Gregg:
Piecewise and unified phase variables in the control of a powered prosthetic leg. ICORR 2017: 1425-1430 - [c27]Hanqi Zhu, Jack Doan, Calvin Stence, Ge Lv
, Toby Elery, Robert D. Gregg:
Design and validation of a torque dense, highly backdrivable powered knee-ankle orthosis. ICRA 2017: 504-510 - 2016
- [j11]Dario J. Villarreal, David Quintero, Robert D. Gregg:
A Perturbation Mechanism for Investigations of Phase-Dependent Behavior in Human Locomotion. IEEE Access 4: 893-904 (2016) - [j10]Aaron Plauche, Dario J. Villarreal, Robert D. Gregg
:
A Haptic Feedback System for Phase-Based Sensory Restoration in Above-Knee Prosthetic Leg Users. IEEE Trans. Haptics 9(3): 421-426 (2016) - [j9]Anne E. Martin, Robert D. Gregg
:
Incorporating Human-Like Walking Variability in an HZD-Based Bipedal Model. IEEE Trans. Robotics 32(4): 943-948 (2016) - [c26]Kaveh Akbari Hamed, Robert D. Gregg:
Decentralized feedback controllers for exponential stabilization of hybrid periodic orbits: Application to robotic walking. ACC 2016: 4793-4800 - [c25]Robert D. Gregg
, Anne E. Martin:
Prosthetic leg control in the nullspace of human interaction. ACC 2016: 4814-4821 - [c24]Edgar Bolívar
, David Allen, Gregory Ellson, Jorge Cossio, Walter Voit, Robert D. Gregg:
Towards a series elastic actuator with electrically modulated stiffness for Powered Ankle-Foot Orthoses. CASE 2016: 1086-1093 - [c23]Kyle R. Embry, Dario J. Villarreal, Robert D. Gregg:
A unified parameterization of human gait across ambulation modes. EMBC 2016: 2179-2183 - [c22]Dario J. Villarreal, Robert D. Gregg:
Unified phase variables of relative degree two for human locomotion. EMBC 2016: 6262-6267 - [c21]Ge Lv
, Hanqi Zhu, Toby Elery, Luwei Li, Robert D. Gregg:
Experimental implementation of underactuated potential energy shaping on a powered ankle-foot orthosis. ICRA 2016: 3493-3500 - [c20]David Quintero, Dario J. Villarreal, Robert D. Gregg:
Preliminary experiments with a unified controller for a powered knee-ankle prosthetic leg across walking speeds. IROS 2016: 5427-5433 - 2015
- [c19]Anne E. Martin, Robert D. Gregg:
Hybrid invariance and stability of a feedback linearizing controller for powered prostheses. ACC 2015: 4670-4676 - [c18]Ge Lv
, Robert D. Gregg:
Orthotic body-weight support through underactuated potential energy shaping with contact constraints. CDC 2015: 1483-1490 - [c17]Dario J. Villarreal, David Quintero, Robert D. Gregg:
A perturbation mechanism for investigations of phase variables in human locomotion. ROBIO 2015: 2065-2071 - 2014
- [j8]Robert D. Gregg
, Jonathon W. Sensinger:
Towards Biomimetic Virtual Constraint Control of a Powered Prosthetic Leg. IEEE Trans. Control. Syst. Technol. 22(1): 246-254 (2014) - [j7]Amir Degani
, Andrew W. Long, Siyuan Feng, H. Benjamin Brown, Robert D. Gregg
, Howie Choset, Matthew T. Mason
, Kevin M. Lynch:
Design and Open-Loop Control of the ParkourBot, a Dynamic Climbing Robot. IEEE Trans. Robotics 30(3): 705-718 (2014) - [j6]Robert D. Gregg
, Tommaso Lenzi
, Levi J. Hargrove, Jonathon W. Sensinger:
Virtual Constraint Control of a Powered Prosthetic Leg: From Simulation to Experiments With Transfemoral Amputees. IEEE Trans. Robotics 30(6): 1455-1471 (2014) - [c16]Akshay Nanjangud, Robert D. Gregg
:
Simultaneous control of the compass-gait biped to maintain symmetric gait across all mass ratios. ACC 2014: 5490-5495 - [c15]Dario J. Villarreal, Robert D. Gregg:
A survey of phase variable candidates of human locomotion. EMBC 2014: 4017-4021 - 2013
- [j5]Robert D. Gregg
, Ludovic Righetti
:
Controlled Reduction With Unactuated Cyclic Variables: Application to 3D Bipedal Walking With Passive Yaw Rotation. IEEE Trans. Autom. Control. 58(10): 2679-2685 (2013) - [j4]Elliott J. Rouse
, Robert D. Gregg
, Levi J. Hargrove, Jonathon W. Sensinger:
The Difference Between Stiffness and Quasi-Stiffness in the Context of Biomechanical Modeling. IEEE Trans. Biomed. Eng. 60(2): 562-568 (2013) - [c14]Robert D. Gregg, Jonathon W. Sensinger:
Biomimetic virtual constraint control of a transfemoral powered prosthetic leg. ACC 2013: 5702-5708 - [c13]Robert D. Gregg
, Tommaso Lenzi
, Nicholas P. Fey, Levi J. Hargrove, Jonathon W. Sensinger:
Experimental effective shape control of a powered transfemoral prosthesis. ICORR 2013: 1-7 - 2012
- [j3]Robert D. Gregg
, Yasin Y. Dhaher, Amir Degani
, Kevin M. Lynch:
On the Mechanics of Functional Asymmetry in Bipedal Walking. IEEE Trans. Biomed. Eng. 59(5): 1310-1318 (2012) - [j2]Robert D. Gregg
, Adam K. Tilton, Salvatore Candido, Timothy Bretl, Mark W. Spong:
Control and Planning of 3-D Dynamic Walking With Asymptotically Stable Gait Primitives. IEEE Trans. Robotics 28(6): 1415-1423 (2012) - [c12]Nelson Rosa Jr.
, Adam Barber, Robert D. Gregg
, Kevin M. Lynch:
Stable open-loop brachiation on a vertical wall. ICRA 2012: 1193-1199 - 2011
- [c11]Robert D. Gregg
:
Controlled reduction of a five-link 3D biped with unactuated yaw. CDC/ECC 2011: 669-674 - [c10]Robert D. Gregg
, Yasin Y. Dhaher, Kevin M. Lynch:
Functional asymmetry in a five-link 3D bipedal walker. EMBC 2011: 7820-7823 - 2010
- [b1]Robert D. Gregg IV:
Geometric control and motion planning for three-dimensional bipedal locomotion. University of Illinois Urbana-Champaign, USA, 2010 - [j1]Robert D. Gregg
, Mark W. Spong:
Reduction-based Control of Three-dimensional Bipedal Walking Robots. Int. J. Robotics Res. 29(6): 680-702 (2010) - [c9]Robert D. Gregg
, Timothy Bretl, Mark W. Spong:
A control theoretic approach to robot-assisted locomotor therapy. CDC 2010: 1679-1686 - [c8]Robert D. Gregg
, Ludovic Righetti
, Jonas Buchli, Stefan Schaal:
Constrained accelerations for controlled geometric reduction: Sagittal-plane decoupling for bipedal locomotion. Humanoids 2010: 1-7 - [c7]Robert D. Gregg
, Timothy Bretl, Mark W. Spong:
Asymptotically stable gait primitives for planning dynamic bipedal locomotion in three dimensions. ICRA 2010: 1695-1702
2000 – 2009
- 2009
- [c6]Robert D. Gregg
, Mark W. Spong:
Reduction-based control of branched chains: Application to three-dimensional bipedal torso robots. CDC 2009: 8166-8173 - [c5]Robert D. Gregg
, Mark W. Spong:
Bringing the compass-gait bipedal walker to three dimensions. IROS 2009: 4469-4474 - 2008
- [c4]Robert D. Gregg
, Mark W. Spong:
Reduction-based control with application to three-dimensional bipedal walking robots. ACC 2008: 880-887 - 2007
- [c3]Aaron D. Ames
, Robert D. Gregg
:
Stably Extending Two-Dimensional Bipedal Walking to Three Dimensions. ACC 2007: 2848-2854 - [c2]Aaron D. Ames
, Robert D. Gregg
, Mark W. Spong:
A geometric approach to three-dimensional hipped bipedal robotic walking. CDC 2007: 5123-5130 - 2006
- [c1]Aaron D. Ames, Haiyang Zheng, Robert D. Gregg, Shankar Sastry:
Is there life after Zeno? Taking executions past the breaking (Zeno) point. ACC 2006: 1-6
Coauthor Index
aka: Nikhil V. Divekar
aka: Gray Cortright Thomas
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Privacy notice: By enabling the option above, your browser will contact the API of unpaywall.org to load hyperlinks to open access articles. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Unpaywall privacy policy.
Archived links via Wayback Machine
For web page which are no longer available, try to retrieve content from the of the Internet Archive (if available).
Privacy notice: By enabling the option above, your browser will contact the API of archive.org to check for archived content of web pages that are no longer available. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Internet Archive privacy policy.
Reference lists
Add a list of references from ,
, and
to record detail pages.
load references from crossref.org and opencitations.net
Privacy notice: By enabling the option above, your browser will contact the APIs of crossref.org, opencitations.net, and semanticscholar.org to load article reference information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Crossref privacy policy and the OpenCitations privacy policy, as well as the AI2 Privacy Policy covering Semantic Scholar.
Citation data
Add a list of citing articles from and
to record detail pages.
load citations from opencitations.net
Privacy notice: By enabling the option above, your browser will contact the API of opencitations.net and semanticscholar.org to load citation information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the OpenCitations privacy policy as well as the AI2 Privacy Policy covering Semantic Scholar.
OpenAlex data
Load additional information about publications from .
Privacy notice: By enabling the option above, your browser will contact the API of openalex.org to load additional information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the information given by OpenAlex.
last updated on 2024-08-20 20:30 CEST by the dblp team
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