天津科技大学学报
天津科技大學學報
천진과기대학학보
JOURNAL OF TIANJIN UNIVERSITY OF SCIENCE & TECHNOLOGY
2012年
6期
65-68
,共4页
时滞系统%PID控制器%幅值裕度%相角裕度
時滯繫統%PID控製器%幅值裕度%相角裕度
시체계통%PID공제기%폭치유도%상각유도
time-delay systems%PID controllers%gain-margin%phase-margin
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.
針對帶滯後因子的被控對象,採用PID控製器,討論繫統的幅值裕度和相角裕度的設計問題.利用增益-相角裕度測試器技術,在 PID 控製器參數穩定域內,分彆繪製幅值裕度麯線和相角裕度麯線,進而基于一種時滯繫統圖解穩定性判據,識彆齣滿足給定的幅值裕度和相角裕度的參數區域.倣真結果驗證瞭按本文方法設計的PID控製繫統具有良好的魯棒性和動態響應品質.
침대대체후인자적피공대상,채용PID공제기,토론계통적폭치유도화상각유도적설계문제.이용증익-상각유도측시기기술,재 PID 공제기삼수은정역내,분별회제폭치유도곡선화상각유도곡선,진이기우일충시체계통도해은정성판거,식별출만족급정적폭치유도화상각유도적삼수구역.방진결과험증료안본문방법설계적PID공제계통구유량호적로봉성화동태향응품질.
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.
