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

Table 5

Performance comparison of various control techniques for sinusoidal road profile.

Parameters	Control algorithms
	Optimized fuzzy		Passive		Fuzzy skyhook		Fuzzy groundhook		Fuzzy hybrid
Tire load	−1	1.6	1	—	−1.9	1.8	−0.6	2.1	−2	1.6
	−0.5	4	0.5	6.4	−1	4	−0.3	4.5	−1	4.1
Suspension displacement	0	2.2	−4	—	0	2.7	−1.4	2.4	−0.3	1.7
	0	4.5	−2	7.5	0	5	−0.7	4.8	−0.2	4.1

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