The Variable Structure PI Speed Controller for AC Servo System

CASIA OpenIR > 中科院工业视觉智能装备工程实验室 > 先进制造与自动化

	The Variable Structure PI Speed Controller for AC Servo System
	Hao Lu; Yunkuan Wang; Yong Yuan; Jianhua Hu; Yubin Cai; Bo He; Jin He
	2017-10
会议名称	Proceedings of the 29th Chinese Control and Decision Conference
会议日期	2017-05-28
会议地点	ChongQing
摘要	The high performance AC servo system is required to achieve fast response without overshoot. The traditional proportional-integral(PI) controller which utilizes fixed parameters, however, cannot well guarantee the requirement for both response and overshoot at the same time. Thus a variable structure PI(VSPI) controller is proposed in this paper, and the stability conditions of the closed-loop system based on which is given according to Lyapunov stability criterion. When the absolute value of speed error is smaller than the threshold value, the proportional gain and integral gain are regulated adaptively by a linear function; Otherwise, the proportional gain and the integral gain remain the fixed value. Experiment results show that compared with the traditional PI controller, the VSPI controller under a speed step input can achieve fast response with effectively reduced overshoot.
关键词	Ac Servo System Overshoot Fast Response The Variable Structure Pi Controller
文献类型	会议论文
条目标识符	http://ir.ia.ac.cn/handle/173211/41008
专题	中科院工业视觉智能装备工程实验室_先进制造与自动化
通讯作者	Hao Lu
推荐引用方式 GB/T 7714	Hao Lu,Yunkuan Wang,Yong Yuan,et al. The Variable Structure PI Speed Controller for AC Servo System[C],2017.