Design of LQG Controller for Active Suspension without Considering Road Input Signals

Table 2

Comparison of the root mean square values for each performance indicators.

Indicators	⁢RMS			Effects (%) (+ deterioration, − improvement)
	Passive suspension	Active suspension A	Active suspension B	Passive suspension	Active; suspension A	Active; suspension B
(m/s^2)	0.0238	0.0103	0.0130	—	−56.7	−45.4
(rad/s^2)	0.0077	0.0027	0.0020	—	−64.9	−74.0
(mm)	0.044	0.021	0.027	—	−52.3	−38.6
(mm)	0.046	0.019	0.023	—	−58.7	−50.0
(mm)	0.47	1.00	1.20	—	+112.8	+155.3
(mm)	0.39	0.91	0.71	—	+133.3	+82.1
(N)	—	110.8	91.8	—	—	—
(N)	—	127.9	81.0	—	—	—