In the double loop of control system, a PI speed controller is adopted in the speed loop, and a vector controller is used in the current loop.

控制系统采用双环控制，速度环采用PI转速控制，电流环采用矢量控制。

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PI controller made the respond speed faster and the overshoot less.

PI控制器使响应的速度更快，超调量更小。

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The results show that the neutral network controller has shelf-learning and self-adaptive functions, and has better control effect in speed tracking, compared with traditional PI controller.

仿真结果表明，相对于常规PI控制器，该神经网络控制器具有自学习，自适应功能，速度跟踪获得了满意的控制效果。

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