Title :
Improved performance of self-organising fuzzy controller (SOC) in pH control
Author :
Ylén, Jean-Peter
Author_Institution :
Control Eng. Lab., Helsinki Univ. of Technol., Espoo, Finland
Abstract :
A modified SOC-algorithm is developed. In addition to the traditional deterministic controller performance evaluation also stochastic measures of the controller behaviour were used to meet acceptable performance. The adaptation feature was extended from conventional (e,Δe) rule base (PD-control) to integral action (I-control) creating an adaptive PD+I fuzzy controller. The algorithm was successfully implemented on a pilot-scale neutralisation process
Keywords :
adaptive control; fuzzy control; pH control; process control; self-adjusting systems; three-term control; (e,Δe) rule base; SOC; adaptive PD+I fuzzy controller; deterministic controller performance evaluation; pH control; pilot-scale neutralisation process; self-organising fuzzy controller; stochastic measures; Adaptive control; Control engineering; Fuzzy control; Fuzzy logic; Impurities; Laboratories; Process control; Programmable control; Stochastic processes; Waste materials;
Conference_Titel :
Fuzzy Systems Proceedings, 1998. IEEE World Congress on Computational Intelligence., The 1998 IEEE International Conference on
Conference_Location :
Anchorage, AK
Print_ISBN :
0-7803-4863-X
DOI :
10.1109/FUZZY.1998.687494
