Study on Dynamic Characteristics of Metering-out Speed Control System with Flow Control Valve
LI Zhi-hong1,CHEN Ji-wen2(1.Department of Mechanical Engineering,Xiamen University of Technology,Xiamen 361024,China;2.School of Mechanical and Electronic Engineering,Shandong Jianzhu University,Jinan 250101,China)
The mathematic models were built by using load as input and pressures of hydraulic cylinder chambers as output in the metering-out speed control system with flow control valve,and this system would be simplified as a stable second-order system,and the changing rules of overshoot were obtained.Using pressure sensors to measure the pressures of hydraulic cylinder chambers by test,the test results consisted with theoretical analysis.
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