Inspec keywords: Lyapunov methods; asymptotic stability; time-varying systems; delays; linear matrix inequalities; convex programming

Other keywords: singular systems; interval time-varying discrete delay; improved Lyapunov–Krasovskii functional; interval time-varying distributed delay; improved delay-dependent exponential stability; convex optimisation algorithm; linear matrix inequalities; mixed interval time-varying delay

Subjects: Distributed parameter control systems; Linear algebra (numerical analysis); Time-varying control systems; Optimisation techniques; Stability in control theory