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改善二阶系统单位价跃响应性能的Simulink仿真

Author(s)：
黄勇超

Publication Title：

Wen Yuan (Middle School Edition) 2020 No.09

Affiliations：
广州南洋理工职业学校只能工程学校广东广州 510900

Abstract：
速度反馈控制和PD控制可以增大二阶系统的阻尼比，从而改善二阶系统单位阶跃响应性能。拉普拉斯微分运算可实现二阶系统的上述两种控制，且不影响其无阻尼自振角频率，PD控制的优点是不影响其开环增益，速度反馈控制的缺点是减小了其开环增益。二阶系统的Simulink仿真不需编程，就能绘出这两种控制的单位阶跃响应的曲线，可见两种控制的有效改善具有一致性且都限于欠阻尼状态。

Keywords：
二阶系统；速度反馈控制；PD控制；Simulink仿真

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[1] 黄勇超.改善二阶系统单位价跃响应性能的Simulink仿真[J].Wen Yuan (Middle School Edition),2020(09),.

文渊(中学版)

Wen Yuan (Middle School Edition)

Language: 中文

CN：11-9275/G

ISSN：2096-627X

Publication Frequency: 月刊

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