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 | 255 | 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 | 251 | 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 | 168 | 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 | 137 | 2006 |
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 | 134 | 2020 |
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 | 132 | 2016 |
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 | 115 | 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 | 112 | 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 | 109 | 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 | 101 | 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 | 99 | 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 | 85 | 2012 |
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 | 80 | 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 | 79 | 2021 |
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 | 79 | 2007 |
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 | 74 | 2017 |
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 | 73 | 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 | 69 | 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 | 67 | 2017 |
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 | 66 | 2014 |