Study and Design of a New Kind of Electro-Hydraulic High Speed On-off Valve
High-speed on-off valve is need in fluid power control system based on pulse width modulation ( PWM), but as presently there are not many kinds the valve to be choose. In order to improve the switching speed of an electro-hydraulic high-speed on-off valve and the digital control accuracy of PWM, it is a new kind of high-speed on-off valve is designed. It adopts a special structure and used a rare earth giant magnetostrictive actuator as the electro-mechanical transducer. Result of simulation and experiment show that it can greatly improve switch speed and frequency of the valve. Comparing the piezoelectric high-speed on-off valve, this valve can get a more output flow and the fall of consume of electric power and is a kind of up-and-coming high speed on-off valve.
high-speed on-off valve giant magnetostrictive actuator PWM
Shi Yanping Shi Yifei
Department of Mechanical Engineering, Huaihai Institute of Technology, Lianyungang, Jiangsit, 222005 Dept of Electronic Science and Technology, Huazhong University and Technology, Wuhan 430074,China
国际会议
北戴河
英文
320-323
2007-06-06（万方平台首次上网日期，不代表论文的发表时间）