Dynamic Ride Height Adjusting Controller of ECAS Vehicle with Random Road Disturbances

Table 2

Performance index comparison of VSC and PID technique.

Performance index	SVSC		PID
	Lifting	Lowering	Lifting	Lowering
Height deviation (mm)	3.4	4.8	3.6	5.2
Acceleration amplitude of vehicle body (m/s^2)	5.61	5.63	5.96	6.24
Acceleration of vehicle body r.m.s (m/s^2)	1.08	1.09	1.14	1.17
Height adjusting time (s)	4	5	4	5