An improved method for determining the stability of interval matrices
R. Ghosh, S. Sen, K.B. Datta · International Journal of Systems Science · 2000
In this paper, the problem of the stability of interval matrices has been tackled using the properties of real stability radius. Based on these, a necessary and sufficient condition has been developed for the Hurwitz (Schur) stability of an interval matrix. An algorithm has been suggested on the basis of the above results to determine the stability of such a system. This work provides an alternative tool to that proposed by Wang et al. and it has been claimed, on the basis of comparative results, that it is a more efficient method in terms of both the computation time and the number of matrices to be checked.