Observer Kalman Filter Identification of Suspen-Dome

Table 2

The results from identified state space model using displacement output signals.

Model	Used	OKID	Ref. ANSYS	Error
Freq.; (Hz)	1	3.4101	3.4233	0.39%
	2	3.4101	3.4233	0.39%
	3	3.6911	3.7078	0.45%
	4	3.6911	3.7078	0.45%
	5	3.7729	3.7907	0.47%
	6	3.7729	3.7907	0.47%
	7	3.8306	3.8492	0.48%
	8	4.2268	4.2520	0.59%
	9	4.2268	4.2520	0.59%
	10	4.3132	4.3399	0.62%
	⋮	⋮	⋮	⋮
	20	4.9120	4.9541	0.85%
	40	5.9373	5.9985	1.02%
	60	8.1247	8.2275	1.25%
Damp.; (%)	1	2.0380	2.0000	1.86%
	2	2.0380	2.0000	1.86%
	3	2.0398	2.0000	1.95%
	4	2.0397	2.0000	1.95%
	5	2.0403	2.0000	1.98%
	6	2.0403	2.0000	1.98%
	7	2.0406	2.0000	1.99%
	8	2.0427	2.0000	2.09%
	9	2.0425	2.0000	2.08%
	10	2.0429	2.0000	2.10%
	⋮	⋮	⋮	⋮
	20	2.0448	2.0000	2.19%
	40	2.0460	2.0000	2.25%
	60	2.0621	2.0000	3.01%