响应速度可调的压电驱动电源研究
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摘要
为解决压电陶瓷叠堆高响应,高精度位移输出,设计了一种响应速度可调的压电驱动电源。以单片机PIC18F4685和半桥驱动芯片IR2113为核心器件,采用直流逆变的原理和电压控制型驱动方案,通过模糊控制的方式调节高频逆变器的占空比,从而调节输出电压的大小。介绍了主要电路模块的功能与实现以及模糊控制器的设计过程,并对驱动电源进行测试实验。驱动电源可输出电压范围在-30～120V的梯形波,其电压的上升时间、下降时间、保持时间与延时时间皆可调,输出频率响应范围为0～1kHz,输出稳定性高,保持较小的脉动波纹。
In order to solve the high response and high precision displacement output of piezoelectric ceramic stack,apiezoelectric driving power source with adjustable response speed is designed.Taking the microcontroller PIC18 F4685 and the half-bridge driver chip IR2113 as the core device.DC inverter principle and voltage-controlled driving scheme are adopted to adjust the duty cycle of the high-frequency inverter through fuzzy control to adjust the output voltage.The function and implementation of the main circuit module and the design process of the fuzzy controller are introduced,and the test of the driving power supply is performed.The drive power supply can output a trapezoidal wave with a voltage range of-30～120 V.The voltage of rise time,fall time,open time,and delay time can be adjusted.The output frequency response range is 0～1 kHz,and the output stability is high.Keep ripples small.
In order to solve the high response and high precision displacement output of piezoelectric ceramic stack,apiezoelectric driving power source with adjustable response speed is designed.Taking the microcontroller PIC18 F4685 and the half-bridge driver chip IR2113 as the core device.DC inverter principle and voltage-controlled driving scheme are adopted to adjust the duty cycle of the high-frequency inverter through fuzzy control to adjust the output voltage.The function and implementation of the main circuit module and the design process of the fuzzy controller are introduced,and the test of the driving power supply is performed.The drive power supply can output a trapezoidal wave with a voltage range of-30～120 V.The voltage of rise time,fall time,open time,and delay time can be adjusted.The output frequency response range is 0～1 kHz,and the output stability is high.Keep ripples small.
引文
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[3]张铁民,许志林,曹飞,等.宏微压电驱动器的电源设计与实验[J].压电与声光,2015,37(1):167-171.
[4]周涛,王澄,姜刚,等.一种新型压电陶瓷驱动电源的研究[J].微型机与应用,2013,32(23):16-19.
[5]陆鹤.PZT驱动式激光切割机焦点控制系统研究[D].沈阳:沈阳工业大学,2017.
[6]张骥.极性半导体/弛豫型铁电体复合陶瓷的制备及其电学性质表征[D].南京:南京大学,2016.
[7]齐艳强,赵晓丹,李孟阳,等.压电陶瓷微位移的光干涉测量与控制系统[J].太原理工大学学报,2018,49(4):612-616.
[8]王全伟.压电-高压气体热熔胶喷射阀设计及实验研究[D].长春:吉林大学,2017.
[9]赵亚涛.压电驱动撞针式微喷阀仿真分析及实验研究[D].哈尔滨:哈尔滨工业大学,2016.
[10]黄大任,袁松梅,褚祥诚,等.压电非接触式点胶阀的设计与实验[J].压电与声,2016,38(1):11-15.
[11]韩萌萌.基于压电原理的微量点胶仿真与实验研究[D].哈尔滨:哈尔滨工业大学,2014.
[12]刘雪瑞.二维压电微动平台的研究[D].南京:南京航空航天大学,2017.
[13]党冰楠.基于压电直线作动器的二自由度稳像机构的研究[D].南京:南京航空航天大学,2017.
[14]刘柯佳.基于柔性铰链的压电作动器优化设计及实验研究[D].南京:南京航空航天大学,2016.
[15]廖平,高广彬.基于Buck电路的压电陶瓷脉冲驱动电源研究[J].压电与声光,2018,40(4):539-542,546.
[16]徐辽,范青武,刘旭东,张恒,张跃飞.基于PA85A的高精度动态压电陶瓷驱动电源设计[J].压电与声光,2018,40(4):564-567.
[17]金学健.微型压电致动器驱动电源研究[D].合肥:中国科学技术大学,2018.