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满足幅值裕度和相角裕度的PID参数域

Parameter Regions of PID Controllers with Guaranteed Gain-margin and Phase-margin
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摘要 针对带滞后因子的被控对象,采用PID控制器,讨论系统的幅值裕度和相角裕度的设计问题.利用增益-相角裕度测试器技术,在PID控制器参数稳定域内,分别绘制幅值裕度曲线和相角裕度曲线,进而基于一种时滞系统图解稳定性判据,识别出满足给定的幅值裕度和相角裕度的参数区域.仿真结果验证了按本文方法设计的PID控制系统具有良好的鲁棒性和动态响应品质. As to time-delay plants, by utilizing PID controllers, the design of guaranteed gain-margin and phase-margin was studied. Based on the gain-phase margin tester technique, and in the stability region of PID controllers, the gain-margin curve and the phase-margin curve were plotted, respectively. Furthermore, the regions satisfying the given gain-margin and phase- margin were identified in terms of a graphical stability criterion applicable to time-delay systems. Simulation examples show that the PID control system designed via the method in this research has a better controling effect in both robustness and dy- namic response aspects.
作者 张富强 王德进
机构地区 天津科技大学电子信息与自动化学院
出处 《天津科技大学学报》 CAS 2012年第6期65-68,共4页 Journal of Tianjin University of Science & Technology
基金 国家自然科学基金资助项目(60874208)
关键词 时滞系统 PID控制器 幅值裕度 相角裕度 time-delay systems PID controllers gain-margin phase-margin
分类号 TP273 [自动化与计算机技术—检测技术与自动化装置]
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参考文献10

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二级参考文献10

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共引文献12

天津科技大学学报
2012年 第6期

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