Real-Time continuous gait phase and speed estimation from a single sensor. - David Quintero; Daniel J. Lambert; Dario J. Villarreal; Robert D. Gregg (CCTA, 2017)

Continuous-Phase Control of a Powered Knee-Ankle Prosthesis: Amputee Experiments Across Speeds and Inclines. - David Quintero; Dario J. Villarreal; Daniel J. Lambert; Susan Kapp; Robert D. Gregg (IEEE Trans. Robotics, 2018)