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题名:
Adaptive control of piezoelectric fast steering mirror for high precision tracking application
作者: Wang, Geng1; Rao, Changhui2,3
刊名: SMART MATERIALS AND STRUCTURES
出版日期: 2015-03-01
卷号: 24, 期号:3
关键词: adaptive control ; piezoelectric fast steering mirror ; high precision tracking ; hysteresis nonlinear ; linear dynamics
文章类型: Article
英文摘要: A piezoelectric fast steering mirror (PFSM) is a complex, strong coupling nonlinear system that integrates optics, mechanics, electrics, and control. Due to the existence of hysteresis nonlinearity, mechanical resonance, and all kinds of disturbances, precise tracking control of a PFSM is a challenging task. This paper presents a comprehensive study of modeling, controller design, and simulation evaluation for a PFSM system. First a general model of a PFSM system integrating mechanical dynamics, electrical dynamics, and hysteresis nonlinearity is proposed, and then a robust adaptive controller is developed under both unknown hysteresis nonlinearities and parameter uncertainties. The parameters needed directly in the formulation of the controller are adaptively estimated. The proposed control law ensures the uniform boundedness of all signals in the closed-loop system. Furthermore, a stability analysis of the control system is performed to guarantee that the output tracking error converges to zero asymptotically. Finally, simulation tests with different motion trajectories are conducted to verify the effectiveness of the proposed method.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Instruments & Instrumentation ; Materials Science, Multidisciplinary
研究领域[WOS]: Instruments & Instrumentation ; Materials Science
关键词[WOS]: HYSTERESIS ; SYSTEMS ; STAGE
收录类别: SCI
语种: 英语
WOS记录号: WOS:000349958800023
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2536
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Henan Polytech Univ, Sch Mech & Power Engn, Jiaozuo 454003, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, Lab Adapt Opt, Chengdu 610209, Peoples R China
3.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China

Recommended Citation:
Wang, Geng,Rao, Changhui. Adaptive control of piezoelectric fast steering mirror for high precision tracking application[J]. SMART MATERIALS AND STRUCTURES,2015,24(3).
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