Title :
On comparison of hybrid fuzzy PI plus conventional D controller versus fuzzy PI+D controller
Author :
Sooraksa, Pitikhate ; Chen, Gang
Author_Institution :
Dept. of Inf. Eng., King Mongkut´s Inst. of Technol., Bangkok, Thailand
Abstract :
This letter points out that a comparison given in an earlier paper by Er and Sun (ibid. vol. 48, pp. 1109-1117, 2001) is incorrect. The fuzzy PI+D controller designed by Misir et al. ( Fuzzy Sets Syst. vol. 79, pp. 297-314, 1996) is overall better than the hybrid fuzzy PI plus conventional D controller designed by Er and Sun.
Keywords :
closed loop systems; control system analysis; fuzzy control; step response; three-term control; transfer functions; closed-loop control system; fuzzy PI+D controller; fuzzy control design; hybrid fuzzy PI plus conventional D controller; nonlinear version; proportional-integral-derivative control; second-order control system; transfer function; unit-step response; Analytical models; Control systems; Erbium; Fuzzy control; Fuzzy systems; Proportional control; Sun; Temperature control; Three-term control; Transfer functions;
Journal_Title :
Industrial Electronics, IEEE Transactions on
DOI :
10.1109/TIE.2003.821893
