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Date of Publication:2022-10-10

Journal:大连理工大学学报

Affiliation of Author(s):电子信息与电气工程学部

Issue:1

Page Number:77-80

ISSN No.:1000-8608

Abstract:A single piezoelectric ceramic element simultaneously functionsas both a sensor and an actuator. A piezoelectric self-sensing actuator (SSA) is realized based on a strain rate bridge circuit that separates the strain rate signal from the control voltage. A simple controller consisting of a proportional and a phase lag compensation is designed in view of that the bridge is slightly unbalanced. Experimental results show that SSA can not only be a vibration detector but also has good performance in vibration control of a cantilever beam.

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