Performance of unstable control loops with limits

被引：0
|
作者：
Eitelberg, E [1 ]
机构：
[1] NOY Business, ZA-4001 Durban, South Africa
来源：
CONTROL ENGINEERING PRACTICE | 1999年 / 7卷 / 04期
关键词：
Nyquist stability criterion; limit cycling; dual-input describing functions; sinusoidal plus bias describing functions; low frequency regulation;
D O I：
10.1016/S0967-0661(98)00193-2
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Unstable control loops can, and often do, perform well, although not better than properly tuned linear loops. However, the associated limit cycling may cause unnecessary mechanical and thermal fatigue in the offending loops and elsewhere in the plant. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：517 / 522
页数：6
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