1. T. Atsumi. Control design for high precision head-positioning of HDD. Ph.D thesis of Chiba University, 2006.
2. Linear matrix inequalities in system and control theory;Boyd,1994
3. Multivariable feedback design: concepts for a classical/modern synthesis;Doyle;IEEE Trans. on Autom. Contr.,1981
4. Robust stabilization with positive real uncertainty: Beyond the small gain theoerem;Haddad;Syst. Contr. Lett,1991
5. Parameter-dependent lyapunov functions and the popov criterion in robust analysis and synthesis;Haddad;IEEE Trans. on Autom. Contr.,1995