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Citation - WoS: 34
Citation - Scopus: 42
Stability Analysis of Discrete-Time Systems in a State-Space Realisation With Partial State Saturation Nonlinearities
(Iee-inst Elec Eng, 2003) Kar, H; Singh, V
A criterion for the global asymptotic stability of discrete-time systems in a state-space realisation with partial state saturation nonlinearities is presented. The criterion is compared with a previously reported criterion.
Citation - WoS: 14
Citation - Scopus: 18
Optimal Routh Approximants Through Integral Squared Error Minimisation: Computer-Aided Approach
(inst Engineering Technology-iet, 2004) Singh, V; Chandra, D; Kar, H
A computer-aided method for obtaining a reduced-order approximant of a given (stable) single-input single-output system based on the minimisation of integral squared error (ISE) pertaining to a unit-step input is presented. Both the numerator and denominator coefficients of the model are treated as free parameters in the process of optimisation. The method has a built-in stability-preserving feature. The problem of formulating the ISE is circumvented by introducing a set of equality constraints.