Identification of Modal Series Model of Nonlinear Systems Based on Subspace Algorithms

Modal Series analysis of nonlinear system could have found several new applications. The ability of this approach in using of linear system analysis rules for nonlinear systems attracts researchers to this method. In this paper we will express an algorithm for nonlinear system identification based on modal series A new form of modal series which is suitable for dentification purposes has been presented and then an algorithm which uses this representation of modal series and a subspace identification method has been presented for identification of a modal series model of nonlinear systems. Simulation results express the efficient ability of this approach in identification of nonlinear systems

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