Model Simplification of Linear Discrete Systems Using Differential Evolution
A model simplification method for linear discrete systems is presented to determine both numerator and denominator coefficients of a simplified model by differential evolution algorithm in order to minimize the root mean squared error between the step responses of original and simplified models. The performance of the proposed method was demonstrated by two examples with different orders and the results show that the method can yield a good approximation of the original system.
X. D. Wang et al., "Model Simplification of Linear Discrete Systems Using Differential Evolution", Advanced Materials Research, Vols. 108-111, pp. 932-937, 2010