Title :
Valve diagnostics and automatic tuning
Author_Institution :
Dept. of Autom. Control, Lund Inst. of Technol., Sweden
Abstract :
An integrated system for valve diagnostics and automatic PID tuning is presented. The purpose is to detect nonlinearities such as friction and hysteresis since these may drastically decrease the control performance. Grafcet is used for representing the controller logic
Keywords :
control nonlinearities; fault diagnosis; process control; real-time systems; three-term control; tuning; valves; Grafcet; automatic PID tuning; fault diagnosis; friction; hysteresis; nonlinearities; process control; real time systems; valve diagnostics; Actuators; Automatic control; Fault detection; Hysteresis; Industrial control; Monitoring; Open loop systems; Three-term control; Tuning; Valves;
Conference_Titel :
American Control Conference, 1997. Proceedings of the 1997
Conference_Location :
Albuquerque, NM
Print_ISBN :
0-7803-3832-4
DOI :
10.1109/ACC.1997.611994
