Compensating Unknown Time-Varying Delay in Opto-Electronic Platform Tracking Servo System

被引：6

作者：

Xie, Ruihong ^{[1
,2
]}

Zhang, Tao ^{[2
]}

Li, Jiaquan ^{[2
]}

Dai, Ming ^{[2
]}

机构：

[1] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Key Lab Airborne Opt Imaging & Measurement, Changchun 130033, Peoples R China

来源：

SENSORS | 2017年 / 17卷 / 05期

基金：

中国国家自然科学基金;

关键词：

miss-distance; unknown time-varying delay; Markovian process; feed-forward forecasting; opto-electronic platform; tracking servo system; robust H infinity controller; MANEUVERING TARGET TRACKING; MARKOVIAN JUMP SYSTEMS; MIXED H-INFINITY; SINGULAR SYSTEMS; NONLINEAR-SYSTEMS; CONTROLLER; STABILITY; DESIGN; FEEDBACK; FILTERS;

D O I：

10.3390/s17051071

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This paper investigates the problem of compensating miss-distance delay in opto-electronic platform tracking servo system. According to the characteristic of LOS (light-of-sight) motion, we setup the Markovian process model and compensate this unknown time-varying delay by feed-forward forecasting controller based on robust H infinity control. Finally, simulation based on double closed-loop PI (Proportion Integration) control system indicates that the proposed method is effective for compensating unknown time-varying delay. Tracking experiments on the opto-electronic platform indicate that RMS (root-mean-square) error is 1.253 mrad when tracking 10 degrees 0.2 Hz signal.

引用

页数：12

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