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Cited by 32 publications
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References 14 publications
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“…They subsequently developed an "echo control" scheme for gait control, as described by Grimes et al (1977), in which a modified knee trajectory from the sound leg is played back on the contralateral side. Popovic and Schwirtlich (1988) reported on the development of a battery-powered active knee joint actuated by DC motors, together with a finite-state knee controller that utilizes a robust position tracking control algorithm for gait control (Popovic et. al.…”
Section: Introductionmentioning
confidence: 99%
“…They subsequently developed an "echo control" scheme for gait control, as described by Grimes et al (1977), in which a modified knee trajectory from the sound leg is played back on the contralateral side. Popovic and Schwirtlich (1988) reported on the development of a battery-powered active knee joint actuated by DC motors, together with a finite-state knee controller that utilizes a robust position tracking control algorithm for gait control (Popovic et. al.…”
Section: Introductionmentioning
confidence: 99%
“…While the overall study of powered prosthetic knees goes back several decades, a few groups have only just realized the challenge of a prosthetic with the power supply, motors, and control electronics all contained within the device [16][17][18][19][20]. The work of Sup et al has resulted in a combined knee-ankle powered prosthesis that can approximate the kinematics of nondisabled walking over level ground and up-slope ambulation using onboard sensors to control prosthesis gait [21][22].…”
Section: Introductionmentioning
confidence: 99%
“…Various control algorithms have been proposed to implement the real-time trajectory tracking and real-time damping torque control. 9 The tracking target is generally a flexion angle of the knee joint and time curve, and the controlled object is generally the knee-joint damper. 10 Under this circumstance, two conditions need to be satisfied in the design of an intelligent prosthesis controller.…”
Section: Introductionmentioning
confidence: 99%