Driver's Behavior Modeling Using Fuzzy Logic

Table 10

Coefficients of fuzzy membership functions for change of speed of car.

Linguistic terms	a	b	c	d
very decrease	Center$(1)$	Center$(1)$	Center$(1)$ +Dv	Center$(2)$ +0.8Dv
decrease	Center$(1)$	Center$(2)$	Center$(3)$	—
not change	$\text{Center}(3)-(Ds{p}_F/10)$	Center$(3)$	$\text{Center}(3)+(Ds{p}_F/10)$	—
increase	Center$(3)$	Center$(4)$	Center$(5)$	—
very increase	Center$(4)-$0.8Dv	Center$(5)-$ Dv	Center$(5)$	Center$(5)$