中文摘要：

气动阀门的静摩擦现象在工业过程的控制中非常普遍,易引起控制系统的波动,从而影响生产的正常进行。在众多的研究成果中,Kano提出的气动阀门静摩擦模型与检测方法是简单有效的。但是,Kano气动控制阀静摩擦模型存在着不足,本文指出了该模型的缺陷所在,并给出了改进方案,使得模型的输入输出与物理过程完全一致;针对控制阀静摩擦的统计检测方法参数较多的特点,系统分析了影响检测结果的因素,总结了检测参数的指导原则。最后,在Matlab Simulink平台下编制了能够描述阀门静摩擦现象的S-Function模块,并进行了模拟仿真,在扰动存在的条件下讨论了统计检测方法的有效性。

英文摘要：

Pneumatic control valves stiction is very common in process industry. A big fluctuation of process will be caused by stiction and productivity will also be lowered. Among lots of research results, the method of describing stiction of pneumatic control valves and detecting stiction developed by Kano is simple and effective. However, some defects in the Kano＇s method are pointed out by the authors. The model structure of pneumatic control valve of Kano was improved to overcome the existing defects so that the input and output were consistent with the physical process. To deal with multiple parameters in the statistical detection method, guide rules were presented through the analysis of the factors that affected the detection results. Finally, the stiction phenomenon was compiled to a module by using the S-function technology in Matlab Simulink. Simulation was made under the Matlab Simulink framework and the statistical detection method under disturbance was discussed.