An umbrella-shaped flexible mechanism piezoelectric actuator with driving foot trajectory control
Xiaoyang Pang,
Mingyun She,
Siyuan Xing
et al.
Abstract:Traditional stick-slip piezoelectric actuators generally have problems such as large backward motion and small load capacity, which affect the driving effect. In this study, the effect of no backward motion and large load capacity is realized by controlling two sawtooth wave-driven piezoelectric stacks on the basis of umbrella-shaped flexible mechanism. The trajectory of the driving foot is simulated by transient simulation and verified by experiment. A prototype of actuator is made, and the effects of voltage… Show more
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