在调速型液力偶合器工作原理的基础上,建立了调速模糊自动控制系统,介绍了系统 的硬件组成及相应模糊控制器的设计过程。该系统能够实现良好的控制品质。 关键词:调速型液力偶合器;模糊控制;可编程控制器PLC;MATLAB Abstract: Based on the basic principle of variable speed fluid couplings, this paper established the fuzzy control system. The hardware of system and the design process of fuzzy controller are introduced .It can realize approved control quality. Key words: Variable speed fluid couplings;Fuzzy control;PLC;MATLAB.