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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
卷号: 24, 期号:3, 页码:35019
学科分类: Closed loop control systems - Closed loop systems - Control theory - Controllers - Dynamics - Hysteresis - Mirrors - Piezoelectricity
DOI: 10.1088/0964-1726/24/3/035019
文章类型: 期刊论文
中文摘要: 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. © 2015 IOP Publishing Ltd.
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. © 2015 IOP Publishing Ltd.
收录类别: SCI ; Ei
项目资助者: Henan Polytechnic University Doctoral Science Foundation [60407/010] ; National Natural Science Foundation of China [11178004]
语种: 英语
WOS记录号: WOS:000349958800023
ISSN号: 0964-1726
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6431
Appears in Collections:自适应光学技术研究室(八室)_期刊论文

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作者单位: 1. School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, China
2. Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China
3. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu, 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):35019.
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