电动轮驱动汽车空间稳定性底盘协同控制研究

Research on Cooperative Control of Chassis for Spatial Stability of Electric Wheel-driven Vehicles

电动轮驱动汽车空间稳定性控制是电动轮驱动汽车设计的重要组成部分在此基础上,提出了一种适用于四轮驱动车的空间稳定性控制方法。本项目以提升电动汽车空间稳定性为研究对象,针对传统空间稳定控制方法的不足,提出基于底盘协同控制的电动汽车空间稳定控制方法。为此,本项目首先分析影响电动汽车空间稳定性的关键因素;其次,建立电动汽车空间稳定整车动力学模型,提出基于底盘协调控制的电动汽车空间稳定控制方法;最后,基于MATLAB/Simulink构建电动汽车空间稳定性仿真平台,对所提出方法进行仿真验证。

Spatial stability control of electric wheel drive vehicles is an important part of the design of electric wheel drive vehicles.On this basis,a spatial stability control method applicable to four-wheel drive vehicles is proposed.This project aims to improve the spatial stability of electric vehicles as the research object,and puts forward the spatial stability control method of electric vehicles based on chassis cooperative control in view of the shortcomings of traditional spatial stability control methods.To this end,this project firstly analyzes the key factors affecting the spatial stability of electric vehicles;secondly,the project establishes a vehicle dynamics model for the spatial stability of electric vehicles,and proposes a spatial stability control method for electric vehicles based on the coordinated control of the chassis;and lastly,constructs a simulation platform for the spatial stability of electric vehicles based on MATLAB/Simulink,and performs the simulation validation of the proposed method.