Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 1

Mihailov Stability Criterion Related Publications

1 Model Reduction of Linear Systems by Conventional and Evolutionary Techniques

Authors: C. Ardil, S. Panda, R. Prasad, S. K. Tomar

Abstract:

Reduction of Single Input Single Output (SISO) continuous systems into Reduced Order Model (ROM), using a conventional and an evolutionary technique is presented in this paper. In the conventional technique, the mixed advantages of Mihailov stability criterion and continued fraction expansions (CFE) technique is employed where the reduced denominator polynomial is derived using Mihailov stability criterion and the numerator is obtained by matching the quotients of the Cauer second form of Continued fraction expansions. In the evolutionary technique method Particle Swarm Optimization (PSO) is employed to reduce the higher order model. PSO method is based on the minimization of the Integral Squared Error (ISE) between the transient responses of original higher order model and the reduced order model pertaining to a unit step input. Both the methods are illustrated through numerical example.

Keywords: Stability, Particle Swarm Optimization, Integral Squared Error, Reduced Order Modeling, Continued Fraction Expansions, Mihailov Stability Criterion

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