Finite-time adaptive sliding mode control for high-precision tracking of piezo-actuated stages

doi:10.1016/j.isatra.2021.12.001

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	Finite-time adaptive sliding mode control for high-precision tracking of piezo-actuated stages
	Z. S. Wang; R. Xu; L. Wang and D. P. Tian
	2022
发表期刊	Isa Transactions
ISSN	0019-0578
卷号	129 页码:436-445
摘要	Piezo-actuated stages are widely used in nanopositioning applications. However, they not only have inherent static hysteresis characteristics but also have dynamic rate-dependent hysteresis nonlinearity. Therefore, to address dynamic hysteresis nonlinearity and uncertainty in the model parameters, an adaptive switching-gain sliding mode controller with a proportional-integral-derivative surface is designed. In particular, the combination of Bouc-Wen model and second-order linear system is used to describe the dynamic hysteresis process. To improve the robustness and reduce chattering in the sliding mode control method, an adaptive switching-gain is added to the controller without knowing in advance the upper bound of uncertainties. Finite-time convergence conditions of the closed-loop system are also analyzed. Finally, the proposed control method is implemented in real time on an ARM experimental platform. Comparative experimental results demonstrate excellent tracking performance and robustness. The dynamic hysteresis characteristics are suppressed effectively, and this result provides a powerful reference for engineering applications. (C) 2021 Published by Elsevier Ltd on behalf of ISA.
DOI	10.1016/j.isatra.2021.12.001
URL	查看原文
收录类别	sci ; ei
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66674
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Z. S. Wang,R. Xu,L. Wang and D. P. Tian. Finite-time adaptive sliding mode control for high-precision tracking of piezo-actuated stages[J]. Isa Transactions,2022,129:436-445.
APA	Z. S. Wang,R. Xu,&L. Wang and D. P. Tian.(2022).Finite-time adaptive sliding mode control for high-precision tracking of piezo-actuated stages.Isa Transactions,129,436-445.
MLA	Z. S. Wang,et al."Finite-time adaptive sliding mode control for high-precision tracking of piezo-actuated stages".Isa Transactions 129(2022):436-445.

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