A CONTROL-LOOP PERFORMANCE MONITOR

被引：196
|
作者：
HAGGLUND, T
机构：
[1] Department of Automatic Control, Lund Institute of Technology
来源：
CONTROL ENGINEERING PRACTICE | 1995年 / 3卷 / 11期
关键词：
VALVE; OSCILLATION; FRICTION; STICK-SLIP MOTION; FAULT DETECTION;
D O I：
10.1016/0967-0661(95)00164-P
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A procedure for automatic monitoring of control-loop performance is presented. The control-loop performance monitor (CLPM) detects oscillations in the control loop. These oscillations are normally caused by too-high friction in the control valve, but there are other reasons as well. The CLPM is primarily intended to be connected to PID controllers, but it can also be connected to other controllers. The procedure is automatic in the sense that no additional parameters except the normal controller parameters have to be specified. The paper contains both a derivation of the CLPM and results from industrial experiments.
引用
收藏
页码：1543 / 1551
页数：9
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