Performance Analysis of a Semiactive Suspension System with Particle Swarm Optimization and Fuzzy Logic Control

Table 9

Performance comparison of systems based on different payloads for step road profile.

Parameters	Variable payload (number of passengers)
	Only driver		1		2		3
Tire load	9.7	1.3	9	1.4	8.3	1.5	7.7	1.5
	−9.7	5.3	−9	5.4	−8.3	5.5	−7.7	5.5
Suspension displacement	0	1.3	2	1.9	3.6	2	5	2
	0	5.3	−1	5.9	−1.8	6	−2.5	6

Bold cells give percentage overshoot.
Italic cells give stabilizing time in seconds.