A charge controlled driving power supply for hysteresis compensation of piezoelectric stack actuators

被引:3
|
作者
Chen, Yuansheng [1 ]
Qiu, Jinhao [2 ]
Guo, Jiahao [1 ]
Ying, Zhanfeng [1 ]
机构
[1] Nanjing Univ Sci & Technol, Sch Energy & Power Engn, Nanjing, Jiangsu, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Key Lab Mech & Control Mech Struct, Nanjing, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
Hysteresis compensation; driving power supply; piezoelectric stack actuators;
D O I
10.3233/JAE-171220
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Piezoelectric stack actuators have been widely applied in mirco- or nano-positioning systems, but its hysteresis nonlinearity limits the performance. A driving power supply with charge feedback control was proposed to compensate the hysteresis of piezoelectric stack actuators. The drive circuit controlled by PWM waves was implemented in printed circuit board. A real-time controller was designed to acquire the voltage signals, calculate the charge on piezoelectric stack actuator and generate the PWM waves for drive circuit. Experimental results show that the proposed power supply with charge feedback control can effectively compensate the hysteresis and improve the positioning accuracy.
引用
收藏
页码:281 / 290
页数:10
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