Posts Tagged Pneumatic muscle

[Abstract+References] Impedance Control of a Pneumatic Muscles-Driven Ankle Rehabilitation Robot – Conference paper

Abstract

Pneumatic muscle is a new type of flexible actuator with advantages in terms of light weight, large output power/weight ratio, good security, low price and clean. In this paper, an ankle rehabilitation robot with two degrees of freedom driven by pneumatic muscle is studied. The force control method with an impedance controller in outer loop and a position inner loop is proposed. The demand of rehabilitation torque is ensured through tracking forces of three pneumatic muscle actuators. In the simulation, the constant force and variable force are tracked with error less than 10 N. In the experiment, the force control method also achieved satisfactory results, which provides a good support for the application of the robot in the ankle rehabilitation.

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Source: Impedance Control of a Pneumatic Muscles-Driven Ankle Rehabilitation Robot | SpringerLink

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