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本文讨论通过频域辨识建立电力拖动系统数学模型的方法:·用1191可编程频率特性测试仪测试系统频率特性;·用 LEVY 类方法进行复曲线拟合得系统的传递函数。文中给出了工程实例,并与传统的方法进行了比较。
This paper discusses the method of establishing the mathematical model of electric drive system through frequency domain identification: · Test the system frequency characteristics with 1191 programmable frequency characteristic tester; · Regulate the transfer function of complex system by LEVY method. The article gives examples of engineering, and compared with the traditional method.