ENERGY-EFFICIENT PIEZOELECTRIC VIBRATION CONTROL APPROACH BASED ON A NOVEL SHUNT CIRCUIT

被引：0

作者：

Ma, Shaofei ^{[1
]}

Yu, Liyuan ^{[1
]}

Cai, Wenbing ^{[2
]}

Wang, Yanjie ^{[2
]}

Shen, Xin ^{[1
]}

Pei, Wanpeng ^{[1
]}

Wu, Yipeng ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Peoples R China

[2] Beijing Inst Tracking & Commun Technol, Beijing 100094, Peoples R China

来源：

2022 16TH SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES, AND DEVICE APPLICATIONS, SPAWDA | 2022年

关键词：

Vibration control; Bidirectional piezoelectric effect; Shunting circuit; Flyback transformer;

D O I：

10.1109/SPAWDA56268.2022.10045882

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This paper proposes a new piezoelectric shunt circuit based on bidirectional piezoelectric effect. Through the operation of injecting energy when the piezoelectric voltage is turned up and absorbing energy when it is turned down, it maximizes the energy efficiency of the control system and fully utilizes the electromechanical conversion potential of piezoelectric element. The working principle of the proposed method is introduced, the vibration attenuation of the structure under the condition of asymmetrical piezoelectric voltage is given. Finally, a high energy-efficient vibration control system is confirmed by experimental results, the structural vibration attenuation of 16.4 dB at 2.65 Hz is obtained under the power consumption of 465 mW.

引用

页码：597 / 601

页数：5

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