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22 Hydraulic Pneumatic Net
22 Beijing Research Institute of Automation for Machinery Industry
About Journal Experts Special
Chinese Hydraulics & Pneumatics, founded in 1977 with support from Beijing Research Institute of Automation for Machinery Industry, is a scientific journal that is intended to communicate information and reflect trends referring to hydraulics and pneumatics. Its publications cover both basic and applied research focusing on new technology, new design, new equipment and new material, and also introduce the industrial information on products and enterprises. Engineering technicians are the primary audience for the journal, which is also widely popular with business managers and marketing staffs as well as teachers and students in universities and colleges.Chinese Hydraulics & Pneumatics publishes in China as well as abroad.
ISSN 1000-4858 CN 11-2059/TH
Postal Distributing Code: 2-828 Foreign Issuance Code: MO 81
Research of Anti-interference Control Method of Hydraulic Driving Unit Position Control System Based on External State Observer
YU Bin, BA Kai-xian, LIU Ya-liang, GAO Zheng-jie, KONG Xiang-dong
In the motion of robots, external disturbance can reduce the accuracy of joint actuators, which degrades the control performance. The joint actuator of legged robots, hydraulic driving unit (HDU), is researched in this paper. First, the mathematical model of HDU position control system is built. Next, the system space state is deducted. Then, the total disturbance of the system is expanded to a new state variable. Thus, the expanded state observer of HDU position control system is obtained. Moreover, the parameters of the observer are obtained by bandwidth. Finally, the system control strategy is designed. The method of expanded state observer is verified by experiments. The results indicate that the observer can retrain the disturbance obviously and improve the system stability and control accuracy.
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Methods for Suppressing Extraneous Force in Loading Systems  
Typical Failure Modes and Accelerated Lifetime Test Methods for Aircraft Hydraulic Pump  
Review of Technical Research for Hydraulic System of Tunnel Boring Machine  
Integrated Electro-hydrostatic Actuator System: Theory and Technology#br#  
Torque Converter Modern Design Theory and Methodology#br#  
Forthcoming Articles More»   
Design On Fitting Clearance About Spool Valve And Valve Sleeve Of Large Drift Diameter segmental type Change Valve null
Developing an Intelligent Testing System of Gear Pump null
Research on Tension Coordination Backstepping Control Strategy for Double Rope Winding Type Deep Well Hoist null
A Research on the Hydraulic Torque Characteristics of Flow-distribution Pairs of Radial Piston Pump null
Working Mechanism and Simulation Analysis of Displacement Sensor for the Magnetic-like Cylinder null
The Designation of New Double-Bladder Accumulator and Analysis of Dynamic Performance null
Optimum Design of Shrink Sleeve Type Ultrahigh Pressure Cylinder Based on Workbench null
Hot Papers More»   
Research on the Potential Energy Regeneration and Utilization in Hydraulic Based on Balance Cylinder YE Yue-ying, LIN Tian-liang, REN Hao-ling
Analysis of Combined Sealing Structure of Rotary Vane Actuator WANG Jia-yi,HUO Liang-qing, ZHANG Qi-feng
A Novel Auxiliary Vest Powered by Pneumatic Muscle ZHANG Cheng-jiu, LI Xiao-ning
Research on Force Loading Tracking Control for Electro-hydraulic Hybrid Testing System Subject to Vibration and Force Loading Based on Feedforward Decoupling SONG Yong, SHEN Gang
Study of Materials for Piston Pairs of Water Hydraulic Piston Pump LI Dong-lin, FANG Meng-si, DENG Yi-pan, LIU Yin-shui, WU De-fa
Hydraulic Power Unit of Lower Limb Power Assisted Exoskeleton HE Jian, WANG Hai-bo, LI Xue-feng, XIA Xin
Simulation Study on Pressure Fluctuation Compensation Mechanism for a New Grooved Vane Pump WU Xiao-ming, MA Li-rui, WANG Xiao-peng
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The Competent Units:
China Machinery Industry Federation
Organizer:
Beijing Research Institute of Automation for Machinery Industry Chinese Mechanical Engineering Society
Published:
《Chinese Hydraulics & Pneumatics》 Editorial Department
Editorial Board Member
Director:李永顺
Counselor:
 王祖温 朱玉泉 黄人豪
 赵 彤 王庆丰 王长江
 杜旭东
Committee Member:
(以姓氏笔画为序)
 孔祥东 方 群 权 龙
 杨华勇 陈 鹰 罗 经
 周 洪 赵丁选 傅 新
 焦宗夏 蔡茂林 冀 宏
Editor: 赵曼琳
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