A Modified D-K Iteration Approach for the Decentralized ℋ_∞ Control of Civil Structures with Parametric Uncertainties

Table 2

Notations for different comparing cases.

	Without control	Decentralized control		Centralized control
Nominal structure	Bare	DC1nom	DC2nom	DC3nom
Uncertain structure
Controller designed by small gain theorem	Bareun	DC1un	DC2un	DC3un
Controller designed by the proposed; modified D-K iteration	Bareun	DCDK1	DCDK2	DCDK3