Modeling, simulation and validation of 14 DOF full vehicle model

International Conference on Instrumentation, Communication, Information Technology, and Biomedical Engineering 2009 Pub Date : 2009-11-01 DOI:10.1109/ICICI-BME.2009.5417285

J. Setiawan, Mochamad Safarudin, A. Singh

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引用次数: 64

Abstract

An accurate full vehicle model is required in representing the behavior of the vehicle in order to design vehicle control system such as yaw control, anti roll control, automated highway system etc. There are many vehicle models built for the study of the vehicle dynamics specifically for the ride and handling behavior. This paper describes the vehicle model development of the vehicle model to study the behavior of the vehicle. The derivation of a 14 DOF vehicle model consisting of ride, handling and tire model is presented. The Magic tire formula was used as tire model. All the assumptions made for the 14 DOF vehicle model are stated. This 14 DOF vehicle model will be then validated using instrumented experimental vehicle for two steering inputs namely step steer and double lane change. The deviation of the outputs specifically the yaw rate, lateral acceleration and roll angle of the vehicle body and also the slip angle at each of the tire from the 14 DOF model simulation from the experimental results is discussed.

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整车14自由度模型的建模、仿真与验证

为了设计横摆控制、防侧倾控制、自动公路系统等车辆控制系统，需要精确的整车模型来表征车辆的行为。有许多车辆模型是为研究车辆动力学而建立的，特别是为了研究车辆的平顺性和操纵性能。本文描述了车辆模型的开发过程，以研究车辆的行为。给出了一个由平顺性、操纵性和轮胎模型组成的14自由度汽车模型的推导。采用Magic轮胎公式作为轮胎模型。说明了对14自由度车辆模型所做的所有假设。该14自由度车辆模型随后将使用仪表化的实验车辆验证两种转向输入，即阶跃转向和双变道。讨论了14自由度模型仿真结果与试验结果的偏差，特别是车身的横摆角速度、横向加速度和侧倾角，以及每个轮胎的滑移角。

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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International Conference on Instrumentation, Communication, Information Technology, and Biomedical Engineering 2009

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