A Control Method for Tracking Large Position Deviation Signal Fast and Smoothly

被引：0

作者：

Duan, Qianwen ^{[1
,2
,3
]}

He, Qiunong ^{[1
,2
,3
]}

Mao, Yao ^{[1
,2
,3
]}

Zhou, Xi ^{[1
,2
,3
]}

Liu, Qiong ^{[1
,2
,3
]}

Qiao, Qi ^{[1
,2
,3
]}

机构：

[1] Chinese Acad Sci, Inst Opt & Elect, Chengdu, Peoples R China

[2] Chinese Acad Sci, Key Lab Opt Engn, Chengdu, Peoples R China

[3] Univ Chinese Acad Sci, Beijing, Peoples R China

来源：

2019 CHINESE AUTOMATION CONGRESS (CAC2019) | 2019年

关键词：

Dual Closed-loop Feedback; transition signal; time optimal; ACQUISITION; SYSTEM;

D O I：

10.1109/cac48633.2019.8997168

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Classic servo systems typically use Dual Closed-loop Feedback (DCF) control as the tracking control method. When the system tracks the large position deviation signal, the DCF often has too much overshoot problem due to the integral failure (Windup), which is unacceptable for some precision equipment. Based on this, this paper proposes a control method 14 large position deviation signals (CUPS) by adding transition signals based on DCF, in which the transition signal is used to smooth the input and makes the jumping large position deviation signal become to a slowly changing one. And the transition signal is time optimal, this reduces the settling time while decreasing the overshoot. Finally, the control algorithm is verified in the electro-optical tracking (EOT) system and the experimental results show that the fast and smoothness of the system reach the expected goal, and the control method has obvious tracking effect improvement compared with the DCF.

引用

页码：708 / 713

页数：6

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