Experimental Investigation of an Electro-Hydrostatic Actuator Based on the Novel Active Compensation Method
Wang, Mingkang1,2; Wang, Yan1,3; Fu, Yongling1,2; Yang, Rongrong4; Zhao, Jiang'ao1,2; Fu, Jian1,2
2020
发表期刊IEEE Access
ISSN2169-3536
卷号8期号:2020页码:170635-170649
摘要

For electro-hydrostatic actuators (EHAs), how to estimate and compensate for the combined effects of the severe nonlinearity caused by inner leakage and friction, the parametric uncertainties of the hydraulic components due to the environment and the external disturbance remain the primary issues. In this paper, a novel four-loop cascade control based on the active disturbance compensation method was proposed to address the abovementioned problem. First, by dividing the model of an EHA, two low-order estimators were obtained rather than a high-order estimator, which are easier to be implemented. Further, pressure information of two chambers of the EHA was applied in the proposed controller to compensate for the mismatching disturbances directly. Finally, the experimental results proved that the proposed method improved the robustness and static state error by approximately 35% and 33%, respectively.
 

关键词EHA, servo control, ADCM, modeling, low velocity.
学科门类工学 ; 工学::机械工程 ; 工学::控制科学与工程
DOI10.1109/ACCESS.2020.3021104
收录类别SCI ; SCIE ; EI
语种英语
WOS研究方向Computer Science ; Engineering ; Telecommunications
WOS类目Computer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
WOS记录号WOS:000573021000001
出版者Institute of Electrical and Electronics Engineers Inc.
EI入藏号20211210122342
EI主题词Hydraulic actuators
EI分类号632.1 Hydraulics - 731.1 Control Systems - 732.1 Control Equipment - 922.1 Probability Theory
来源库WOS
引用统计
被引频次:8[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/103347
专题机电工程学院
通讯作者Fu, Jian
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.Beihang Univ, Sch Transportat Sci & Engn, Beijing 100191, Peoples R China;
4.Lanzhou Univ Technol, Sch Mech & Elect Engn, Lanzhou 730050, Peoples R China
推荐引用方式
GB/T 7714
Wang, Mingkang,Wang, Yan,Fu, Yongling,et al. Experimental Investigation of an Electro-Hydrostatic Actuator Based on the Novel Active Compensation Method[J]. IEEE Access,2020,8(2020):170635-170649.
APA Wang, Mingkang,Wang, Yan,Fu, Yongling,Yang, Rongrong,Zhao, Jiang'ao,&Fu, Jian.(2020).Experimental Investigation of an Electro-Hydrostatic Actuator Based on the Novel Active Compensation Method.IEEE Access,8(2020),170635-170649.
MLA Wang, Mingkang,et al."Experimental Investigation of an Electro-Hydrostatic Actuator Based on the Novel Active Compensation Method".IEEE Access 8.2020(2020):170635-170649.
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