先对系统偏差及其微分信号进行模糊量化处理，得到模糊变量E和EC，按模糊控制规则进行模糊决策得到模糊控制量U，再经过反模糊和比例变换得到实际的控制量输出。-First to system error and its differential signal fuzzy quantitative processing, get a fuzzy variable E and EC, according to fuzzy control rules of fuzzy decision get fuzzy