有限状态机的一个变种，建立在模糊逻辑的概念之上，一般定义为“被扩展来处理部分真相概念的传统逻辑（bool 逻辑）的超集”。应该注意，虽然FuSM建立在模糊逻辑概念之上，但不代表是实实在在的模糊系统-A variant of finite state machine, based on the fuzzy logic based on the concept, generally defined as " to be extended to handle some of the truth of the concept of traditional logic (bool logic) of the superset."　It should be noted, though FuSM based on the concept based on fuzzy logic, but it does not mean that is the real fuzzy systems