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

Table 3

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
Output	1	1.7905	1.7898	8.2727	1.7900	5.6369	1.7867	6.2509
	2	0.8967	0.8126	2.9832	0.8520	1.9243	0.7296	2.5083
	3	0.5098	0.4868	1.4488	0.4979	0.9219	0.4740	0.9543