Compressed-DMD for Electromechanical Mode Estimation from High-Dimensional Ambient Data

Table 2

Statistical mean values of identification results of electromechanical oscillation parameters.

Mode		1	2	3	4
Frequency	SSSA	0.38	0.50	0.55	0.75
	DMD (Case1)	0.72	0.75	0.48	0.41
	DMD (Case2)	0.87	0.90	0.54	0.75
	DMD (Case3)	0.38	0.52	0.56	0.76
	Compressed-DMD (Case3)	0.37	0.50	0.56	0.74
Damping ratio	SSSA	10.35	7.25	2.80	6.99
	DMD (Case1)	15.64	13.49	6.65	17.13
	DMD (Case2)	14.43	9.77	5.62	14.12
	DMD (Case3)	13.58	6.18	2.38	6.06
	Compressed-DMD (Case3)	13.62	7.17	2.90	7.73