15 March 2018 A parameter tuning method of negative capacitor circuit for piezoelectric shunt damping
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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.
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Takuya Honda, Ichiro Jikuya, 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); doi: 10.1117/12.2295891; https://doi.org/10.1117/12.2295891
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