| 一种求闭环频率特性的图解法 |
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| 引用本文： | 曲伟建,牛皖闽,何立新.一种求闭环频率特性的图解法[J].齐齐哈尔大学学报(自然科学版),1994(3). |
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| 作者姓名： | 曲伟建 牛皖闽 何立新 |
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| 作者单位： | 齐齐哈尔轻工学院，齐齐哈尔造纸厂 |
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| 摘 要： | 本文介绍的求闭环频率特性的图解法，其特点是不用Ｎｉｃｈｏｌｓ图线或等Ｍ圆、等Ｎ圆图，而是通过向量叠加的办法，由开环频率特性求闭环频率特性。该方法计算量少，简单方便，适用于自动控制系统的分析与设计。
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| 关 键 词： | 闭环频率特性，图解法 |
One Graphic Method for Obtaining Closed-loop Frequency Characteristic |
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| Qu Weijian, Niu Wanmin, He Lixin.One Graphic Method for Obtaining Closed-loop Frequency Characteristic[J].Journal of Qiqihar University(Natural Science Edition),1994(3). |
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| Authors: | Qu Weijian Niu Wanmin He Lixin |
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| Institution: | Qu Weijian; Niu Wanmin; He Lixin(Qiqihar Light Industry Institute) (Qiqihar Paper Mill ) |
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| Abstract: | In this paper, the graphic method to determine closed -loop frequency characteristic is introduced. The feature of this method is that the vector superposition method is used to obtain the closed -loop frequency characteristic from the open-loop frequency characteristic. instead of using NICHOLS chart, constant M circles and constant N circles. The method given here has less amount of calculation, is very simple and suitable for the analysis and design of automatic control system. |
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| Keywords: | Closed-loop frequency characteristic Graphic method |
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