TABLE 3.

Description of dangerous driving behavior with comprehensive cloud model.

	The input variable		The output variable
	αy	αw	Intensity	Comfort	Driving behavior
Speed up	Big large	Big large	Relatively large Large	A little uncomfortable Not comfortable	Slow speeding Urgent to accelerate
Slow down	Big Relatively large Large	Big Relatively large Large	Relatively large Large Very large	A little uncomfortable Not comfortable Very uncomfortable	Slow speed reduction General slowdown Sharp slowdown