Comparing with speed and current closed-loop control, the application of fuzzy logic to the torque estimation can not only reduce the spike of electrical torque, but also make torque more smooth.

• 应用模糊逻辑于转矩估测闭迴路软体控制，较诸转速及电流闭迴路控制，有效减低电动机运转时之转矩突波，并使输出转矩较为平稳。