HYDRAULIC

作品数：598被引量：1304H指数：14
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Active Disturbance Rejection Control of Hydraulic Quadruped Robots Rotary Joints for Improved Impact Resistance
《Chinese Journal of Mechanical Engineering》2024年第5期439-452,共14页Huaizhi Zong Zhixian Yang Xiu Yu Junhui Zhang Jikun Ai Qixin Zhu Feng Wang Qi Su Bing Xu 
Supported by National Natural Science Foundation of China(Grant No.U21A20124);China Postdoctoral Science Foundation(Grant Nos.2023T160570,2022M722737);the Key Research and Development Program of Zhejiang Province of China(Grant No.2022C01039).
Hydraulic actuated quadruped robots have bright application prospects and significant research values in unmanned area investigation,disaster rescue and other scenarios,due to the advantages of high payload and high p...
关键词：Quadruped robot Active disturbance rejection control Extended state observer Impact resistance Hydraulic rotary actuator 
Light weight design and integrated method for manufacturing hydraulic wheel-legged robots
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2024年第9期701-715,共15页Xu LI Haoyang YU Huaizhi ZONG Haibo FENG Yili FU 
Heilongjiang Provincial Youth Science and Technology Talent Support Project(No.2023QNTJ008);Self-Planned Task of State Key Laboratory of Robotics and System from Harbin Institute of Technology(HIT)(No.SKLRS 202301A03);Open Foundation of the State Key Laboratory of Fluid Power and Mechatronic Systems(No.GZKF-202203),China.
Design and manufacturing play pivotal roles in hydraulic-driven robotic development.However,previous studies have emphasized mainly results and performance,often overlooking the specifics of the design and manufacturi...
关键词：Wheel-legged robot Hydraulic driven Topology optimization Wheel-legged robot Hydraulic driven Topology optimization Additive manufacturing(AM) Jump control 
A comparative study on kinetics and dynamics of two dump truck lifting mechanisms using MATLAB simscape
《Theoretical & Applied Mechanics Letters》2024年第2期146-156,共11页Thong Duc Hong Minh Quang Pham Son Cong Tran Lam Quang Tran Truong Thanh Nguyen 
Ho Chi Minh City University of Technology(HCMUT);Vietnam National University Ho Chi Minh City(VNU-HCM)for supporting this study。
In this paper,two lifting mechanism models with opposing placements,which use the same hydraulic hoist model and have the same angle of 50°,have been developed.The mechanical and hydraulic simulation models are estab...
关键词：Dump truck Lifting mechanism HYDRAULIC MATLAB Simscape Kinetic dynamic analysis 
Dynamic Simulation and Test Verifcation of Hydraulic Automatic Tensioner for an Engine Timing Chain Drive System
《Chinese Journal of Mechanical Engineering》2023年第5期291-303,共13页Zengming Feng Jinxing Yang Fei Wang 
As a fundamental component of an automobile engine’s timing chain drive system, the hydraulic automatic tensioner signifcantly enhances fuel economy while minimizing system vibrations and noise. However, there is a n...
关键词：Hydraulic automatic tensioner Timing chain Leakage gap Hysteresis curve 
Numerical investigations on performance improvement mechanism of a high-power vertical centrifugal pump with special emphasis on hydraulic component matching
《Journal of Hydrodynamics》2023年第4期649-667,共19页Gang Yang Xi Shen De-sheng Zhang Wen-hua Luo Jia Meng Xu-tao Zhao 
Project supported by the National Natural Science Foundation of China(Grant No.51979125);supported by the Jiangsu Provincial Science Fund for Distinguished Young Scholars(Grant No.BK20211547);the Technological Innovation Team Project in Colleges and Universities of Jiangsu Province(Grant No.SKJ(2021)-1);the Open Research Subject of Key Laboratory of Fluid Machinery and Engineering(Xihua University)of Sichuan Province(Grant No.LTDL-2022007);the Graduate Research and Innovation Projects of Jiangsu Province(Grant No.KYCX23_3701).
The purpose of this paper is to investigate the performance improvement mechanism of a high power vertical centrifugal pump by using numerical calculations.Therefore,a comparative study of energy losses and internal f...
关键词：High-power vertical centrifugal pump performance improvement mechanism hydraulic component matching flow pattern energy balance equation 
Effect of Dynamic Pressure Feedback Orifice on Stability of Cartridge-Type Hydraulic Pilot-Operated Relief Valve
《Chinese Journal of Mechanical Engineering》2023年第4期227-241,共15页Yaobao Yin Dong Wang Junyong Fu Hong-chao Jian 
Supported by National Natural Science Foundation of China(Grant No.52175059);National Key Research and Development Program of China(Grant No.2018YFB2001100).
Current research on pilot-operated relief valve stability is primarily conducted from the perspective of system dynamics or stability criteria,and most of the existing conclusions focus on the spool shape,damping hole...
关键词：Pilot-operated relief valve Dynamic pressure feedback orifice STABILITY RAPIDITY IMMUNITY 
Output feedback control and parameters influence analysis of active suspension electro-hydraulic servo actuator
《High Technology Letters》2023年第2期159-165,共7页张伟 ZHAO Dingxuan GONG Mingde 
Supported by the National Natural Science Foundation of China (No. U20A20332, 52175063);Hebei Province PhD Graduate Innovation Funding Project (No. CXZZBS2021121)。
The hydraulic servo actuator of heavy vehicle active suspension is investigated to clarify the correlation between system parameters and the control characteristics of active suspension hydraulic servo system.Accordin...
关键词：active suspension NONLINEAR hydraulic servo actuator output feedback 
Design and characteristic research of a novel electromechanical-hydraulic hybrid actuator with two transmission mechanisms被引量：1
《Frontiers of Mechanical Engineering》2023年第2期189-204,共16页Shufei QIAO Long QUAN Yunxiao HAO Lei GE Lianpeng XIA 
supported by the National Natural Science Foundation of China(Grant Nos.51875385 and 51805349).
Servo-hydraulic actuators(SHAs)are widely used in mechanical equipment to drive heavy-duty mechanisms.However,their energy efficiency is low,and their motion characteristics are inevitably affected by uncertain nonlin...
关键词：electromechanical-hydraulic hybrid actuator(EMHA) INTEGRATION transmission mechanisms power assistance energy efficiency working characteristics 
Parameter matching of hydraulic balancing circuit based on AMESim
《Journal of Measurement Science and Instrumentation》2022年第4期493-500,共8页HE Ningning ZHANG Ping ZHANG Sen SUN Tianyu 
Key Project of Industrial Science and Technology of Shaanxi Province(No.2015GY068)。
In order to improve the stability of the hydraulic balancing circuit,taking a certain type of vehicular radar flip device as the research object,the influence of different wind load,counterbalance valve parameters and...
关键词：balancing circuit parameter matching AMESIM counterbalance valve SIMULATION 
Vibration-Based Fault Diagnosis Study on a Hydraulic Brake System Using Fuzzy Logic with Histogram Features
《Structural Durability & Health Monitoring》2022年第4期383-396,共14页Alamelu Manghai T Marimuthu Jegadeeshwaran Rakkiyannan Lakshmipathi Jakkamputi Sugumaran Vaithiyanathan Sakthivel Gnanasekaran 
The requirement of fault diagnosis in the field of automobiles is growing higher day by day.The reliability of human resources for the fault diagnosis is uncertain.Brakes are one of the major critical components in au...
关键词：Machine learning histogram features decision tree fuzzy logic membership function confusion matrix 
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