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Date of Publication:2022-10-06

Journal:压电与声光

Affiliation of Author(s):电子信息与电气工程学部

Volume:23

Issue:2

Page Number:120-123

ISSN No.:1004-2474

Abstract:Two integration patterns of sensor and actuator are summarized which are structural integration and functional integration.Functional integration is self-sensing actuator(SSA),where a single element simultaneously functions as both a sensor and an actuator.The transducer based on electromahnetic or electromechanical coupling can be made self-sensing actuator if the sensing signal can be separated from the command signal to the actuator.The possibility of piezoelectric SSA is investigated.A piezoelectric SSA is implemented based on a strain rate bridge circuit and exhibits excellent performance in suppressing the vibration of a cantilever.

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