Pressure reducing valve (PRV) is one of the critical components in high pressure pneumatic systems. Nowadays, manually operated PRVs have been widely used, but there is still no universal electronic PRV. Thus, we proposed a novel high pressure electronic pneumatic pressure reducing valve (EPPRV) whose inlet pressure is up to 31.5 MPa. The EPPRV mainly consists of a poppet structured pilot valve and a piston structured main valve. A proportional electromagnet was used as the command element, and a pressure closed loop, rather than a force closed loop controller, was designed. First, the mechanical design and functionality of the EPPRV are carefully analyzed. Then, a mathematical model is built up, and the working characteristics of pressure, flow rate, and frequency response are simulated. Finally, the test bench is introduced, and detailed experiments are carried out. Simulated and experimental results are highly consistent within output pressure ranging from 8 MPa to 25 MPa and load flow rate ranging from 60 g/s to 650 g/s, which verifies the feasibility of the novel structure and the validity of the mathematic model.
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January 2011
Research Papers
Development of a Novel High Pressure Electronic Pneumatic Pressure Reducing Valve
Xu Zhipeng,
Xu Zhipeng
The State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
Search for other works by this author on:
Wang Xuanyin
Wang Xuanyin
The State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
Search for other works by this author on:
Xu Zhipeng
The State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
Wang Xuanyin
The State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, ChinaJ. Dyn. Sys., Meas., Control. Jan 2011, 133(1): 011011 (7 pages)
Published Online: December 22, 2010
Article history
Received:
November 12, 2009
Revised:
July 17, 2010
Online:
December 22, 2010
Published:
December 22, 2010
Citation
Zhipeng, X., and Xuanyin, W. (December 22, 2010). "Development of a Novel High Pressure Electronic Pneumatic Pressure Reducing Valve." ASME. J. Dyn. Sys., Meas., Control. January 2011; 133(1): 011011. https://doi.org/10.1115/1.4002715
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