Stability analysis of time-delayed DC motor speed control system

被引：0
作者：
Ayasun, Saffet [1 ]
机构：
[1] Nigde Univ, Fac Engn, Dept Elect & Elect Engn, TR-51100 Nigde, Turkey
来源：
TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES | 2013年 / 21卷 / 02期
关键词：
DC motor speed control; time delay; stability; delay margin; NETWORKED CONTROL;
D O I：
10.3906/elk-1102-1045
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, the stability of time-delayed DC motor speed control systems is analyzed. The measurement devices and communication links used by networked control systems, cause a significant amount of time delays. The stability boundary of the system in terms of the time delay is theoretically determined and an expression is obtained to compute the delay margin in terms of system parameters. The delay margin is defined as the maximum amount of time delay for which the DC motor speed control system is marginally stable. The results indicate that the system becomes unstable if the time delay exceeds the delay margin at a given set of parameters. Theoretical delay margin results are verified using the time-domain simulations of MATLAB/Simulink.
引用
收藏
页码：381 / 393
页数：13
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