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drive, the AFC applied in position control loop of Fig. 1
is tested. The transfer function of the reference model is
chosen by a second order system with the natural
frequency of 20 rad/s and the damping ratio of 1. The
step response is firstly tested to evaluate theperformance of the proposed controller. Figure 8 shows
the position step responses of the moving part of the
linear motor under payload of 0 Kg and 3 Kg using FC
when the position command is 1.667Hz square wave
signal with 5mm amplitude. The fuzzy rule table is
adequately selected in the case of without any payload,
so the step response in Fig. 8(a) is a good dynamic
response with a rising time of 90ms, no overshoot and a
near-zero steady state. However, when a 3 kg payload is
added and the same fuzzy rule and controller parameters
are used, the position dynamic response worsens and
exhibits a 10.4% o
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To evaluate the dynamic performance of PMLSM drive, the AFC applied in position control loop of Fig. 1
is tested. 为了评价PMLSM驱动器的动态性能，对用于图1位置控制环中的AFC（自动频率控制）进行了试验。The transfer function of the reference model is chosen by a second order system with the natural frequency of 20 rad/s and the damping ratio of 1. 参考模型的传递函数通过一个二阶系统来选择，此二阶系统具有20 rad/s的固有频率和1的阻尼比。 The step response is firstly tested to evaluate the performance of the proposed controller.先测试阶跃响应，以评价所提出控制器的性能。Figure 8 shows the position step responses of the moving part of the linear motor under payload of 0 Kg and 3 Kg using FC when the position command is 1.667Hz square wave signal with 5mm amplitude. 图8示出了当位置指令是幅值为5 mm的1.667Hz的方波时，采用FC（模糊控制）线性电机在0 kg和3 kg有效载荷下移动零件的位置阶跃响应。The fuzzy rule table is adequately selected in the case of without any payload, so the step response in Fig. 8(a) is a good dynamic response with a rising time of 90ms, no overshoot and a near-zero steady state. 模糊规则表在没有任何有效载荷情况下