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Published in:
2012 | OriginalPaper | Chapter
The Wiener Model Identification of Self-oscillation Actuator
Authors : Shuang Wei, Baiwei Guo, Hong Xu
Published in: System Simulation and Scientific Computing
Publisher: Springer Berlin Heidelberg
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To study the saturation nonlinear phenomena of self-oscillation actuator caused by constructions, a two-step method was proposed to establish its mathematic model by linked Wiener structure. Firstly, the frequency of self-oscillation and effective output signal of system were obtained by analyzing its spectrum and designing filter. Then, through analyzing the characters of output signal, differential equations and polynomial basis functions were chosen for linear sub-system and non-linear sub-system of Wiener Model, and the parameters were determined by calculating. The validity of mathematic model was demonstrated by simulating.