JZUS - Journal of Zhejiang University SCIENCE

Frontiers of Information Technology & Electronic Engineering

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An improved error-based observer on repetitive control strategy in electro-optical tracking system

Author(s): Mai TANG, Wenqiang XIA, Jiuqiang DENG, Yao MAO
Affiliation(s): National Key Laboratory of Optical Field Manipulation Science and Technology, Chinese Academy of Sciences, Chengdu 610209, China; more
Corresponding email(s): tangmai22@mails.ucas.ac.cn, xiawenqiang20@mails.ucas.ac.cn, jqdeng@ioe.ac.cn, maoyao@ioe.ac.cn
Key Words: Disturbance suppression; Error-based observer; Repetitive control; Special frequency point; Electro-optical tracking system

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Mai TANG, Wenqiang XIA, Jiuqiang DENG, Yao MAO. An improved error-based observer on repetitive control strategy in electro-optical tracking system[J]. Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/FITEE.2300796

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author="Mai TANG, Wenqiang XIA, Jiuqiang DENG, Yao MAO",
journal="Frontiers of Information Technology & Electronic Engineering",
year="in press",
publisher="Zhejiang University Press & Springer",
doi="https://doi.org/10.1631/FITEE.2300796"
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%T An improved error-based observer on repetitive control strategy in electro-optical tracking system
%A Mai TANG
%A Wenqiang XIA
%A Jiuqiang DENG
%A Yao MAO
%J Frontiers of Information Technology & Electronic Engineering
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%@ 2095-9184
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%I Zhejiang University Press & Springer
doi="https://doi.org/10.1631/FITEE.2300796"

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A1 - Jiuqiang DENG
A1 - Yao MAO
J0 - Frontiers of Information Technology & Electronic Engineering
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doi="https://doi.org/10.1631/FITEE.2300796"

Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: Electro-optical tracking systems have been widely utilized in the cutting-edge domains of free space environment detection and communication, owing to their exceptional performance. However, external disturbances often significantly impact the working accuracy of these systems. As their scope of application continues to broaden, increasingly complex operating conditions are seen introducing more intricate environments and disturbances. This paper introduces an enhanced error-based observer composite control structure, rooted in the repetitive control strategy, tailored for two types of complex disturbances: periodic harmonic disturbance and narrow-band peak periodic disturbance. This structure not only ensures the system’s stability but also suppresses periodic disturbances across multiple frequencies, addressing the challenge that current disturbance-suppression methods struggle face in mitigating complex periodic disturbances effectively. Moreover, it provides the necessary proofs and establishes an experimental platform for the electro-optical system to demonstrate the efficacy and reliability of the proposed control methods under various conditions.

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