摘要
针对电致伸缩微位移器动态响应速度慢的问题进行了研究,提出用数字PID方法加以解决,并研制出一套实用控制系统.其中,研制出一种微机控制的精密高压调节器,与单片机数字系统相配合,形成一个数字 模拟电路结合的控制系统,用以实现电致伸缩微位移器动态性能的改善.实验表明,该控制系统简单、可靠、实用,所提出的PID方法对电致伸缩微位移器微动平台的动态特性的改善效果明显,并已将其用在磨床进给机构中.
The problem of slow step response in the electrostrictive actuator is studied and a digital PID method is proposed to compensate the slow step response. A microcomputer control system is designd and made.A precise high-voltage adjustor is also designed, and it cooperates well with the digital hardware system and forms an integrated and practical control system to improve the characteristics of the electrostrictive actuator. The experiments show that the control system is simple, reliable, and practical, and the results of experiments are very ideal.
出处
《天津工业大学学报》
CAS
2005年第1期56-58,共3页
Journal of Tiangong University
关键词
电致伸缩微位移器
微动平台
PID算法
进给机构
动态特性
electrostrictive actuator
micro-feeding unit
PID algorithm
feeding mechamizm
dynamic characteristic
