1972•IEEE Transactions on Automatic ControlRequires access

Correlation between Routh's stability criterion and relative stability of linear systems

Vijaykumar Krishnamurthi

Open publisher page 13 citations

Abstract

The conventional methods of determining the relative stability of linear systems are mostly graphical and therefore tedious and time consuming. Analytic solutions for relative stability using the Nyquist criterion become very difficult for higher order systems. A simple relationship is developed establishing a direct link between Routh's stability criterion and the gain margin of a system.

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What this paper is about

The conventional methods of determining the relative stability of linear systems are mostly graphical and therefore tedious and time consuming. Analytic solutions for relative stability using the Nyquist criterion become very difficult for higher order systems. A simple relationship is developed establishing a direct link between Routh's stability criterion and the gain margin of a system.

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Available abstract

The conventional methods of determining the relative stability of linear systems are mostly graphical and therefore tedious and time consuming. Analytic solutions for relative stability using the Nyquist criterion become very difficult for higher order systems. A simple relationship is developed establishing a direct link between Routh's stability criterion and the gain margin of a system.

Key concepts: Routh–Hurwitz stability criterion, Circle criterion, Nyquist stability criterion, Control theory (sociology), Stability (learning theory), Mathematics, Stability criterion, Linear system

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