EURASIP Journal on Advances in Signal Processing

Table 4 Width of Gaussian membership functions before and after optimization for the Box and Jenkins example (case 1)

From: T-S fuzzy systems optimization identification based on FCM and PSO

	Width \(\phantom {\dot {i}\!}(b_{c*r})\)
Before optimization	0.4000	0.4000	0.4000	0.4000	0.4000	0.4000
	0.4000	0.4000	0.4000	0.4000	0.4000	0.4000
	0.4000	0.4000	0.4000	0.4000	0.4000	0.4000
	0.4000	0.4000	0.4000	0.4000	0.4000	0.4000
After optimization	0.5915	0.2889	1.4532	2.4482	0.7629	4.0486
	0.4509	1.0336	0.5369	1.1616	3.2833	1.1024
	0.7113	3.0976	4.0372	0.3325	0.3561	0.4420
	0.4605	0.5408	1.7274	0.9292	1.7803	1.9757

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