The approach is best summed up in the Chinese phrase “pai ma pi” – “slapping the horse’s rear”.
这一方法在中文中叫做“拍马屁”。
On the base of ma thematic model of induction motor and inverter, engineering designing method is used to design the PI regulator, and experiments on the double-closed-loops system is carried out.
在建立异步电动机和变频器数学模型的基础上，按照工程设计法设计出PI调节器，并进行了双闭环控制实验。
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