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Related Experiment Video

Updated: May 11, 2026

Engineering Platform and Experimental Protocol for Design and Evaluation of a Neurally-controlled Powered Transfemoral Prosthesis

Engineering Platform and Experimental Protocol for Design and Evaluation of a Neurally-controlled Powered Transfemoral Prosthesis

Published on: July 22, 2014

An electrohydraulic knee-torque controller for a prosthesis simulator.

W C Flowers, R W Mann

Journal of Biomechanical Engineering

|May 31, 2013

Summary

This summary is machine-generated.

A novel knee-torque controller was developed for a simulator prosthesis, enabling advanced control strategies for above-knee prostheses. This powerful, lightweight actuator is crucial for evaluating future prosthetic knee-joint control systems.

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Area of Science:

Biomedical Engineering
Prosthetics and Orthotics

Background:

Evaluating advanced knee-joint control concepts for above-knee prostheses requires sophisticated simulation tools.
Existing systems may lack the necessary power, weight, or control characteristics for effective emulation.

Purpose of the Study:

To design and evaluate a novel knee-torque controller for a simulator prosthesis.
To enable the electronic emulation of proposed future above-knee prostheses.

Main Methods:

Development of a powerful, lightweight, and easily controlled transducer for the knee-torque controller.
Integration of the controller into a simulator prosthesis system for amputee use.
Performance evaluation of the developed controller.

Main Results:

Successful design and realization of a critical knee-torque controller component.
Demonstrated viability of the simulator prosthesis system for evaluating advanced control concepts.
The controller met essential requirements for power, weight, and control.

Conclusions:

The developed knee-torque controller is a viable and essential component for advanced above-knee prosthesis simulation.
The simulator system facilitates the evaluation of future prosthetic technologies.
Similar actuator designs may benefit other prosthesis and orthosis research.