Adaptive Damping Variable Sliding Mode Control for an Electrohydrostatic Actuator | |
Linjie Li1,2; Mingkang Wang1,2; Rongrong Yang3; Yongling Fu1,2; Deming Zhu1,2 | |
刊名 | Actuators |
2021-04 | |
卷号 | 10期号:83页码:1-15 |
关键词 | electrohydrostatic actuator adaptive control law damping variable sliding mode control extended state observer |
DOI | 10.3390/act10040083 |
英文摘要 | 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 |
WOS研究方向 | Engineering ; Instruments & Instrumentation |
语种 | 英语 |
出版者 | MDPI |
WOS记录号 | WOS:000642611100001 |
内容类型 | 期刊论文 |
源URL | [http://ir.lut.edu.cn/handle/2XXMBERH/147968] |
专题 | 机电工程学院 |
通讯作者 | Deming Zhu |
作者单位 | 1.Laboratory of Aerospace Servo Actuation and Transmission, Beihang University 2.School of Mechanical Engineering and Automation, Beihang University 3.School of Mechanical and Electrical Engineering, Lanzhou University of Technology |
推荐引用方式 GB/T 7714 | Linjie Li,Mingkang Wang,Rongrong Yang,et al. Adaptive Damping Variable Sliding Mode Control for an Electrohydrostatic Actuator[J]. Actuators,2021,10(83):1-15. |
APA | Linjie Li,Mingkang Wang,Rongrong Yang,Yongling Fu,&Deming Zhu.(2021).Adaptive Damping Variable Sliding Mode Control for an Electrohydrostatic Actuator.Actuators,10(83),1-15. |
MLA | Linjie Li,et al."Adaptive Damping Variable Sliding Mode Control for an Electrohydrostatic Actuator".Actuators 10.83(2021):1-15. |
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