The working principle and excitation method of a step peristalsis piezoelectric actuator

Abstract

A step peristalsis actuator using piezoelectric stacks is proposed, designed and analyzed. The proposed actuator contains four piezoelectric stacks located in U-shaped: the two horizontal piezoelectric stacks are used to push the runner, while the two vertical piezoelectric stacks are used to change the contact states between the two feet and the runner… (More)

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