Robert D. Gregg
Robert D. Gregg
Associate Professor, University of Michigan
Verified email at - Homepage
Cited by
Cited by
Virtual constraint control of a powered prosthetic leg: From simulation to experiments with transfemoral amputees
RD Gregg, T Lenzi, LJ Hargrove, JW Sensinger
IEEE Transactions on Robotics, 2014
Continuous-phase control of a powered knee–ankle prosthesis: Amputee experiments across speeds and inclines
D Quintero, DJ Villarreal, DJ Lambert, S Kapp, RD Gregg
IEEE Transactions on Robotics 34 (3), 686-701, 2018
The Difference between Stiffness and Quasi-stiffness in the Context of Biomechanical Modeling
E Rouse, R Gregg, L Hargrove, J Sensinger
IEEE Transactions on Biomedical Engineering 60 (2), 562-568, 2013
Is there life after Zeno? Taking executions past the breaking (Zeno) point
AD Ames, H Zheng, RD Gregg, S Sastry
2006 American control conference, 6 pp., 2006
A robust parameterization of human gait patterns across phase-shifting perturbations
DJ Villarreal, HA Poonawala, RD Gregg
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2016
Design and validation of a powered knee–ankle prosthesis with high-torque, low-impedance actuators
T Elery, S Rezazadeh, C Nesler, RD Gregg
IEEE Transactions on Robotics 36 (6), 1649-1668, 2020
On the design and control of highly backdrivable lower-limb exoskeletons: A discussion of past and ongoing work
G Lv, H Zhu, RD Gregg
IEEE Control Systems Magazine 38 (6), 88-113, 2018
Reduction-based control of three-dimensional bipedal walking robots
RD Gregg, MW Spong
The International Journal of Robotics Research 29 (6), 680-702, 2010
Towards Biomimetic Virtual Constraint Control of a Powered Prosthetic Leg
RD Gregg, JW Sensinger
Control Systems Technology, IEEE Transactions on 22 (1), 246-254, 2014
Modeling the kinematics of human locomotion over continuously varying speeds and inclines
KR Embry, DJ Villarreal, RL Macaluso, RD Gregg
IEEE transactions on neural systems and rehabilitation engineering 26 (12 …, 2018
Preliminary experiments with a unified controller for a powered knee-ankle prosthetic leg across walking speeds
D Quintero, DJ Villarreal, RD Gregg
2016 IEEE/RSJ International Conference on Intelligent Robots and Systems …, 2016
Control and Planning of 3-D Dynamic Walking With Asymptotically Stable Gait Primitives
RD Gregg, AK Tilton, S Candido, T Bretl, MW Spong
IEEE Transactions on Robotics 28 (6), 1415-1423, 2012
A geometric approach to three-dimensional hipped bipedal robotic walking
AD Ames, RD Gregg, MW Spong
2007 46th IEEE Conference on Decision and Control, 5123-5130, 2007
Stable, robust hybrid zero dynamics control of powered lower-limb prostheses
AE Martin, RD Gregg
IEEE transactions on automatic control 62 (8), 3930-3942, 2017
Design and validation of a torque dense, highly backdrivable powered knee-ankle orthosis
H Zhu, J Doan, C Stence, G Lv, T Elery, R Gregg
2017 IEEE international conference on robotics and automation (ICRA), 504-510, 2017
Lower-limb kinematics and kinetics during continuously varying human locomotion
E Reznick, KR Embry, R Neuman, E Bolívar-Nieto, NP Fey, RD Gregg
Scientific Data 8 (1), 282, 2021
A phase variable approach for improved rhythmic and non-rhythmic control of a powered knee-ankle prosthesis
S Rezazadeh, D Quintero, N Divekar, E Reznick, L Gray, RD Gregg
IEEE Access 7, 109840-109855, 2019
A survey of phase variable candidates of human locomotion
DJ Villarreal, RD Gregg
2014 36th Annual international conference of the ieee engineering in …, 2014
Evidence for a time-invariant phase variable in human ankle control
RD Gregg, EJ Rouse, LJ Hargrove, JW Sensinger
PloS one 9 (2), e89163, 2014
Real-time continuous gait phase and speed estimation from a single sensor
D Quintero, DJ Lambert, DJ Villarreal, RD Gregg
2017 IEEE Conference on Control Technology and Applications (CCTA), 847-852, 2017
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