scholarly journals A study on pressure control of a chamber by using an electro-pneumatic pressure proportional valve

1993 ◽  
Vol 1993 (2) ◽  
pp. 713-718
Author(s):  
HIROKAZU KAWANAKA ◽  
KEIICHI HANADA
Keyword(s):  
Pressure Control ◽  
Proportional Valve ◽  
Pneumatic Pressure

Study on the Characteristics of a New Type Pneumatic Pressure Regulator

2013 ◽  
Vol 347-350 ◽  
pp. 157-161
Author(s):  
Jun Gong Ma ◽  
Xin Hua Chen
Keyword(s):  
Mechanical Valve ◽  
Pressure Control ◽  
Superior Performance ◽  
Mechanical Pressure ◽  
Pressure Regulator ◽  
Valve Body ◽  
Pneumatic Pressure ◽  
Output Pressure ◽  
Flow Disturbances ◽  
Downstream Flow

ressure regulators are very important elements in pneumatic systems. Purely mechanical pressure regulators are commonly used to control the supply pressure to the desired value. The intelligent pneumatic pressure regulator (IPPR) is designed as the demands of pressure control precision increase. Its prominent advantage is the ability to achieve accurate output pressure, remote control and centralized management. In this paper, the IPPR consists of a mechanical valve body, a stepping motor, a microcontroller, a pressure sensor. Herein, its pneumatic characteristics were analyzed, and the pressure control algorithm was presented. The superior performance of IPPR was shown in AMEsim simulation, especially in terms of avoiding affects from upstream pressure and downstream flow disturbances.

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