| 利用Bode图判定系统稳定性的方法改进 |
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| 引用本文： | 杜辉.利用Bode图判定系统稳定性的方法改进[J].枣庄师专学报,2006,23(5):74-76. |
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| 作者姓名： | 杜辉 |
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| 作者单位： | 枣庄学院物理与电子工程系 山东枣庄277160 |
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| 摘 要： | 系统稳定性的判定是自动控制理论中的重点内容,也是自控理论教学中的难点.在系统稳定性判定中,大多使用Bode图判定闭环系统稳定性,但是这种方法需要大量的计算和手工作图,工作量大,为了解决这个问题,作者采用解析法对Bode图判定系统稳定性的方法进行了改进,并实例说明了改进方法的简便.
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| 关 键 词： | Bode图 解析法 稳定性判定 |
| 文章编号： | 1004-7077（2006）05-0074-03 |
| 收稿时间： | 2006-08-28 |
| 修稿时间： | 2006年8月28日 |
An Improved Method with Bode diagram as to System Stability Analysis |
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| DU Hui.An Improved Method with Bode diagram as to System Stability Analysis[J].Journal of Zaozhuang Teachers' College,2006,23(5):74-76. |
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| Authors: | DU Hui |
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| Institution: | The Physics Department of Zaozhuang University, Zaozhuang 277160, China |
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| Abstract: | System stability analysis is an important and difficult matter in the automatic control theory.In theaching materials,the Nyquist criterion is ofen used to juge system stability,in this way,one method is polar plots of frequncy characteristics(Nyquist diagram),another is the logarithm diagram of frequncy characteristics(Bode diagram).But these two methods all require their respective frequency characteristic curve,which means lots of calculation and complicated drawing.So these two methods are very difficult for students.In order to resolve this problem,this paper provide an analytic method based on the bode diagram. |
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| Keywords: | bode diagrams analytic method system stability analysis |
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