基于PA41的压电叠堆驱动电源设计  

Design of Piezoelectric Stack Driving Power Supply Based on PA41

作　　者：孙翰 时运来[1] 孙海超 林瑜阳 SUN Han;SHI Yunlai;SUN Haichao;LIN Yuyang(State Key Lab. of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics & Astronautics,Nanjing 210016,China)

机构地区：[1]南京航空航天大学机械结构力学及控制国家重点实验室,江苏南京210016

出　　处：《压电与声光》2022年第1期68-72,共5页Piezoelectrics & Acoustooptics

基　　金：国家自然科学基金面上资助项目(No.51975282)。

摘　　要：通过分析压电叠堆的工作特性,设计了一种以高压运放PA41为核心器件的电压控制型压电叠堆驱动电源。阐述了两种驱动电路方法并选择合适的方案,分析了驱动电路原理并完成电路元器件选型。最后搭建实验平台对驱动电源进行实验测试,分析其输出特性曲线及输出误差的原因。实验结果表明,此电源调节方便,响应迅速,能有效应用于压电叠堆的驱动控制。Based on analyzing the working characteristics of piezoelectric stack,a voltage-controlled piezoelectric stack driving power supply with high voltage operational amplifier PA41 as the core device is designed.Two kinds of driving circuit methods are described and an appropriate scheme is selected.The principle of the driving circuit is analyzed and the selection of circuit components is completed.Finally,an experimental platform is built to test the driving power supply and its output characteristic curve and the cause of output error are analyzed.The experimental results show that the power supply is easy to adjust,quick to respond,and can be effectively applied to the drive control of piezoelectric stack.

关 键 词：压电叠堆 高压运放 PA41 电压控制型 驱动电源 

分 类 号：TN384[电子电信—物理电子学]