| 关于系统稳定性判别方法的讨论 |
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| 引用本文： | 丁蕾.关于系统稳定性判别方法的讨论[J].安庆师范学院学报(自然科学版),2007,13(4):77-79. |
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| 作者姓名： | 丁蕾 |
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| 作者单位： | 安庆师范学院,物理与电气工程学院,安徽,安庆,246133 |
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| 基金项目： | 安徽省高校青年教师科研项目 |
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| 摘 要： | 在控制和通信系统的分析和设计过程中,研究系统的稳定性是其核心问题。不稳定的系统是不能有效工作的,而只有在系统稳定的前提下,讨论系统的准确性与快速性才有意义。因此从教学的角度,分析几种系统稳定性判据,指出这几种判据的应用场合具有一定的意义,并重点讨论了利用Nyquist准则判别系统稳定性时需要注意的问题,给出了仿真实例,说明Nyquist准则判别方法的科学有效性。
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| 关 键 词： | 稳定性 判别 Nyquist准则 仿真 |
| 文章编号： | 1007-4260（2007）04-0077-03 |
| 收稿时间： | 2007-04-25 |
| 修稿时间： | 2007年4月25日 |
Discussion on Criterion of System Stability |
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| DING Lei.Discussion on Criterion of System Stability[J].Journal of Anqing Teachers College(Natural Science Edition),2007,13(4):77-79. |
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| Authors: | DING Lei |
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| Abstract: | The core problem in analyzing and designing control and communication system is to research its stability.We only discuss systematic accuracy under the prerequisite with steady system with speediness just meaningful as Instability system can not work efficiently.Therefore from the angle of teaching,the application occasion where one analyses some kinds of systematic stability criterions and points out this some kinds of criterions has certain meaning.By analyzing the criterions of system stability,some application area of them are presented.Problems that we must pay attention to in using Nyquist criterion are discussed,and some emulator examples are given to explain its validity. |
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| Keywords: | stability decision Nyquist criterion emulation |
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