Characteristics Analysis and Control Study of A Pneumatic Proportional Valve
To improve the vehicle pneumatic brake system,the feasibility of using pneumatic proportional valve as pressure regulator is studied in this article.Take proportional relay valve of WABCO as the research object.First,the mathematic model for proportional relay valve is established in Matlab/Simulink and verified through open loop experiment.Then,the effects of main physical and geometrical parameters on characteristics of the valve are analyzed.Finally a PI controller with feedforward and anti-windup compensation is designed.Study shows that the valve has a good performance of high linearity and would not be affected by supply pressure.The designed controller improves the pressure regulation precision and robustness.
pneumatic brake system proportional relay valve pressure control anti-windup
Mujie You Junzhi Zhang Dongsheng Sun Jinfang Gou
State Key Laboratory of Automotive Safety and Energy Tsinghua University Beijing, China
国际会议
重庆
英文
242-247
2015-12-19（万方平台首次上网日期，不代表论文的发表时间）