NDLI: The efficient numerical simulation of stochastic road excitation to vehicles in time domain

Content Provider	IEEE Xplore Digital Library
Author	Zhang Yonglin Yu Nanhui Guo Weifeng Zhang Yunqing
Copyright Year	2010
Description	Author affiliation: School of Mechanical Engineering, Wuhan Polytechnic University, China (Zhang Yonglin; Yu Nanhui; Guo Weifeng) \|\| CAD center, Huazhong University of Science and Technology, Wuhan, China (Zhang Yunqing)
Abstract	The future way for vehicle development extremely depends on the virtual prototyping of vehicles. In order to analyze the nonlinear ride dynamics of vehicles, it is necessary to establish the time domain model of stochastic road irregularity as the excitation to the vehicle system. Based on the mathematical theory of the stochastic process, a time domain model of stochastic road irregularities with arbitrary or specified power spectral density (PSD) was constructed by using inverse fast Fourier transfer (IFFT) method, and the model could be expanded to include the information of both the auto-PSD and the cross-PSD. By using the new modeling approach, the resulting bilateral stochastic processes of a road were correlative in the time domain. A simulation example demonstrates the method efficiently and accurately.
Starting Page	150
Ending Page	154
File Size	673266
Page Count	5
File Format	PDF
ISBN	9781424476534
e-ISBN	9781424476565
DOI	10.1109/ICINDMA.2010.5538348
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-30
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stochastic processes Time domain analysis Nonlinear dynamical systems bilateral tracks Power system modeling Vehicle dynamics road power spectral density (PSD) Stochastic systems Road vehicles mathematical modeling Numerical simulation Mathematical model Virtual prototyping stochastic road irregularity numerical simulation
Content Type	Text
Resource Type	Article

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