Adaptive Damping Variable Sliding Mode Control for an Electrohydrostatic Actuator
Li, Linjie1,2; Wang, Mingkang1,2; Yang, Rongrong3; Fu, Yongling1,2; Zhu, Deming1,2
2021-04
发表期刊Actuators
卷号10期号:83页码:1-15
摘要

An electrohydrostatic actuator (EHA) is a basic mechanical/hydraulic system with deficiencies including significant nonlinearity and parametric uncertainties. In line with the challenges of designing a high-precision control strategy, an adaptive damping variable sliding mode controller is established, which extends our previous work on EHA control. The proposed controller integrates variable-damping sliding mode control, parametric adaptation, and an extended state observer. The parametric uncertainties are effectively captured and compensated by employing an adaptive control law, while system uncertainties are reduced, and disturbances are estimated and compensated with a fast and stable response. We evaluated the proposed control strategy on a variety of position tracking tasks. The experimental results demonstrate that our controller significantly outperforms the widely used methods in overshoot suppression, settling time, and tracking accuracy
 

关键词electrohydrostatic actuator adaptive control law damping variable sliding mode control extended state observer
DOI10.3390/act10040083
收录类别SCIE
语种英语
WOS研究方向Engineering ; Instruments & Instrumentation
WOS类目Engineering, Mechanical ; Instruments & Instrumentation
WOS记录号WOS:000642611100001
出版者MDPI
来源库WOS
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/147968
专题机电工程学院
通讯作者Zhu, Deming
作者单位1.Beihang Univ, Lab Aerosp Servo Actuat & Transmiss, Beijing 100191, Peoples R China;
2.Beihang Univ, Sch Mech Engn & Automat, Beijing 100191, Peoples R China;
3.Lanzhou Univ Technol, Sch Mech & Elect Engn, Lanzhou 730050, Peoples R China
推荐引用方式
GB/T 7714
Li, Linjie,Wang, Mingkang,Yang, Rongrong,et al. Adaptive Damping Variable Sliding Mode Control for an Electrohydrostatic Actuator[J]. Actuators,2021,10(83):1-15.
APA Li, Linjie,Wang, Mingkang,Yang, Rongrong,Fu, Yongling,&Zhu, Deming.(2021).Adaptive Damping Variable Sliding Mode Control for an Electrohydrostatic Actuator.Actuators,10(83),1-15.
MLA Li, Linjie,et al."Adaptive Damping Variable Sliding Mode Control for an Electrohydrostatic Actuator".Actuators 10.83(2021):1-15.
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文件名: Adaptive Damping Variable Sliding Mode Control for an Electrohydrostatic Actuator.pdf
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