A compact inchworm piezoelectric actuator with high speed: Design, modeling, and experimental evaluation
Mechanical Systems and Signal Processing（2023）
Abstract
•Only two PSAs are used to realize the step-by-step motion of an inchworm PA.•A new working principle is proposed to realize four steps in one cycle.•The inchworm PA achieves high output speed of millimeter per second.•Step with no backward motion is achieved even under a large carrying load.
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Key words
Compact inchworm actuator,Flextensional mechanism,High speed,Stiffness optimization
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