Vaithianathan Venkatasubramanian

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In the spirit of Morse-Smale systems, the paper analyzes the structure of stability boundary of a stable equilibrium point for nonlinear dynamics subject to state limits. Presence of state limits implies that the underlying dynamics does not satisfy the Lipschitz condition for solution existence/uniqueness. There does not exist a smooth flow for the(More)
This paper introduces a set of self-correction strategies for improved oscillation modal analysis of ringdown responses from synchrophasors in frequency domain analysis. It is shown that the modal estimates of frequency, damping ratio and mode shape using the improved frequency domain algorithms of the paper match well with other time-domain algorithms(More)