Sufficient Dilated LMI Conditions for 𝐻_∞ Static Output Feedback Robust Stabilization of Linear Continuous-Time Systems

Table 2

Controller gain and the optimal 𝐻_∞ guaranteed cost.

Design methods	𝛾	𝐾	‖𝐆𝐰𝐳(𝑠,𝜃)‖∞(𝜃1,𝜃2)=(0.2,0.8)
Standard [17] (Lemma 4.1)	6.17	−6.314×10^5	2.3
Our dilated method (Lemma 4.2)	4.54(𝛼=4.8)	−2.2786	1.6