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。
Computer can calculate adjuster parameters of various integration feature principles. It is known that "engineering optimum" is not the best designing method.
通过计算机计算各种积分性能准则的调节器参数，可知“工程最佳”并不是最佳的设计方法。
It is the indispensable method of the all designing of the structural engineering now.
是当今所有工程结构设计必不可少的计算方法。
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