Question: A system has the third-order characteristic equation s3 + as2 + bs + c = 0, where a, b, and c are constant parameters. Determine

A system has the third-order characteristic equation
s3 + as2 + bs + c = 0,
where a, b, and c are constant parameters. Determine the necessary and sufficient conditions for the system to be stable. Is it possible to determine stability of the system by just inspecting the coefficients of the characteristic equation?

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The characteristic equation is s 3 as 2 bs c 0 so the Routh array is For the sy... View full answer

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