Interval Type-2 Recurrent Fuzzy Neural System for Nonlinear Systems Control Using Stable Simultaneous Perturbation Stochastic Approximation Algorithm

Table 1

Configuration coefficients for Example 1: system identification.

		FNN	RFNN	IT2FNS-A	IT2RFNS-A	IT2RFNS-A
SPSA configuration coefficients	𝑎	0.1	0.1	0.01	0.01	optimal learning step length (3.40)
	𝛼	0.602	0.602	0.602	0.602
	𝐴	10	10	10	10
	𝑐	0.1	0.1	0.1	0.1	0.1
	𝛾	0.101	0.101	0.101	0.101	0.101
Neural network coefficient	rule number	8	8	2	2	2
epochs		100