l2-gain analysis of discrete-time systems with saturation nonlinearity using parameter dependent Lyapunov function. - Nobutaka Wada; Tomonori Oomoto; Masami Saeki (CDC, 2004)

l∞ performance analysis of feedback systems with saturation nonlinearities: an approach based on polytopic representation. - Nobutaka Wada; Tomonori Oomoto; Masami Saeki (ACC, 2005)