用谱分解方法求解四分之一轿车非线性悬架模型的随机最优预瞄控制响应

Q3 Physics and Astronomy

Noise and Vibration Worldwide Pub Date : 2022-04-01 DOI:10.1177/09574565221093234

L. Gopala Rao, R. Sharma, V. Satyanarayana, S. Palli

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引用次数: 4

摘要

本文考虑了一个具有非线性弹簧的四轮车在随机路面上匀速行驶的两自由度四分之一汽车模型，并进行了预瞄控制，以获得最优车辆响应。非线性弹簧行为被假设为滞后现象，并通过Bouc–Wen模型进行建模。该非线性车辆模型采用统计线性化方法进行线性化。采用谱分解法确定了控制力、悬架行程和道路保持特性的均方根值。通过蒙特卡洛仿真验证了使用SDM的等效线性化模型的结果，结果表明，使用预览控制的车辆性能更好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Stochastic optimal preview control response of a quarter-car nonlinear suspension model using spectral decomposition method

This paper considers a two degree of freedom quarter-car model of a four wheel vehicle with nonlinear spring travelling at a constant speed on a random road surface with a preview control to obtain the optimal vehicle response. The nonlinear spring behavior is assumed as a hysteresis and modelled by the Bouc–Wen model. This nonlinear vehicle model is linearized by using statistical linearization approach. The root mean square values of the control force, suspension stroke and road holding characteristics are determined by spectral decomposition method. The results obtained for the equivalent linearized model using the SDM are validated with Monte Carlo simulation, and the results show that the vehicle performs better using preview control.

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来源期刊

Noise and Vibration Worldwide Physics and Astronomy-Acoustics and Ultrasonics

CiteScore

1.90

自引率

0.00%

发文量

期刊介绍： Noise & Vibration Worldwide (NVWW) is the WORLD"S LEADING MAGAZINE on all aspects of the cause, effect, measurement, acceptable levels and methods of control of noise and vibration, keeping you up-to-date on all the latest developments and applications in noise and vibration control.