A parameter tuning method of negative capacitor circuit for piezoelectric shunt damping

Takuya Honda; Ichiro Jikuya; Kentaro Takagi

doi:10.1117/12.2295891

15 March 2018 A parameter tuning method of negative capacitor circuit for piezoelectric shunt damping

Takuya Honda, Ichiro Jikuya, Kentaro Takagi

Proceedings Volume 10595, Active and Passive Smart Structures and Integrated Systems XII; 1059533 (2018) https://doi.org/10.1117/12.2295891
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States

Abstract

In this paper, we propose a new method for tuning parameters in a negative capacitor circuit, which is utilized in the piezoelectric shunt damping. A stochastic numerical optimization method, called Covariance Matrix Adaptation-Evolution Strategy (CMA-ES), is selected to minimize the effect of disturbance to an experimental setup. In addition, an additional restriction is imposed on CMA-ES so that the internal stability of the closed-loop system is guaranteed. The effectiveness of the proposed method is demonstrated by numerical examples.

Citation Download Citation

Takuya Honda, Ichiro Jikuya, and Kentaro Takagi "A parameter tuning method of negative capacitor circuit for piezoelectric shunt damping", Proc. SPIE 10595, Active and Passive Smart Structures and Integrated Systems XII, 1059533 (15 March 2018); https://doi.org/10.1117/12.2295891

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