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Nonlinear System Identification of Road Simulation Platform
Technical Paper
2010-01-1539
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
On road simulation, both the traditional iterative method based on frequency response function (FRF) and adaptive control method based on the CARMA model are realized by using linear model to identify the target test system. However the real test system is very complicated because of various nonlinear factors. Linear models approximately describe the system only in a small range. Therefore, system simulation methods can not be used to validate the developed control algorithm and the uncertainty of test accordingly increases. As mentioned above, this paper presents a model to identify the nonlinear test system using NARMA dynamic neural network and discusses how to make the model parameters in detail. Using the test input-output series data, this network was trained by Levenberg-Marquardt method. Results of verification simulation show the validation of the nonlinear model.
Citation
Wang, B. and Guo, X., "Nonlinear System Identification of Road Simulation Platform," SAE Technical Paper 2010-01-1539, 2010, https://doi.org/10.4271/2010-01-1539.Also In
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