Frequency Weighted Model Order Reduction Technique and Error Bounds for Discrete Time Systems

Table 2

Frequency weighted errors and error bounds comparison for reduced order models.

Weighting	Order	Enns technique [25]	Campbell et al.’s technique [37]		Varga and Anderson’s technique [38]		Proposed technique
			Error	Error bound	Error	Error bound	Error	Error bound
Input	1	0.0216	0.0245	0.6024	0.0241	0.3321	0.0240	0.6783
	2	0.0021	0.0027	0.2582	0.0026	0.1403	0.0025	0.2853
	3	0.0015	0.0025	0.0453	0.0023	0.0247	0.0021	0.0508