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Adaptive control of piezoelectric fast steering mirror for high precision tracking application
Wang, Geng1; Rao, Changhui2,3
Source PublicationSmart Materials and Structures
Volume24Issue:3Pages:35019
2015
Language英语
ISSN0964-1726
DOI10.1088/0964-1726/24/3/035019
Indexed BySCI ; Ei
WOS IDWOS:000349958800023
Subtype期刊论文
AbstractA 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.; 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.
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6431
Collection自适应光学技术研究室(八室)
Affiliation1. 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
GB/T 7714
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.
APA Wang, Geng,&Rao, Changhui.(2015).Adaptive control of piezoelectric fast steering mirror for high precision tracking application.Smart Materials and Structures,24(3),35019.
MLA Wang, Geng,et al."Adaptive control of piezoelectric fast steering mirror for high precision tracking application".Smart Materials and Structures 24.3(2015):35019.
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