基于Python仿真的非线性动态模型的简单验证

Feifan Gao, Yu-Bio Liu
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引用次数: 0

摘要

验证了汽车非线性动力学模型比线性模型更符合实际。轨迹是使用这两种可选模型绘制的。结果表明,非线性模型的u型转弯轨迹与线性模型的u型转弯轨迹几乎相同,但在变道过程中存在明显差异。当滑移角小于1度时,两种模型之间的差异可以忽略。然而,当滑移角增大时,结果则截然不同。这是区分非线性模型和线性模型的一个重要特征,线性模型也更多地反映了现实世界。原始代码可以在附录中找到。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A simple verification of non-linear dynamic model based on Python simulation
This paper verified that the non-linear dynamic model of a car is more realistic than linear model. Trajectories are drawn using these two alternative models. It has been demonstrated that the U-turn trajectory of the non-linear model is nearly identical to the linear one yet differs appreciably in lane change. When the difference between these two models can be ignored if the slip angle is less than 1 degree. When the slip angle is increased, however, the consequences are drastically different. It is a significant feature that distinguishes non-linear models from linear models, which also reflect more of the real world. Original code can be found in the Appendix.
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