通过本实验分析隶属函数与控制性能的关系。隶属函数存在间隙和重叠对于控制性能都会有影响。一般情况，先初步确定一个粗略的隶属函数，然后通过实际调节经验来不断的改进，从而来不断调整隶属函数，直至控制效果更好-Through the experiment analysis and control performance of the membership function of the relationship. Membership function has clearance and overlap