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首页> 外文期刊>Mathematical Problems in Engineering >Driving Control Research for Longitudinal Dynamics of Electric Vehicles with Independently Driven Front and Rear Wheels
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Driving Control Research for Longitudinal Dynamics of Electric Vehicles with Independently Driven Front and Rear Wheels

机译：独立驱动前后轮的电动汽车纵向动力学的驱动控制研究

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摘要

This paper takes the electric off-road vehicle with separated driven axles as the research object. To solve the longitudinal dynamics driving control problems, vehicle dynamics model, and control strategies were studied and the corresponding simulation was carried out. An 8-DOF vehicle dynamics model with separated driven axles was built. The driving control strategies on the typical roads were put forward. The recognition algorithm of the typical road surfaces based on the wheels' slip rates was proposed. And the two control systems were designed including the pedal opening degree adjustment control system based on PI algorithm and the interaxle torque distribution control system based on sliding mode control algorithm. The driving control flow of the proposed vehicle combining the pedal adjustment control system with the interaxle torque distribution control system was developed. And the driven control strategies for the typical roads were simulated. Simulation results show that the proposed drive control strategies can adapt to different typical road surfaces, limit the slip rates of the driving wheels within the stable zone, and ensure the vehicle driving safely and stably in accordance with the drivers intention.
机译：本文以驱动桥分开的电动越野车为研究对象。为了解决纵向动力学驾驶控制问题，研究了车辆动力学模型和控制策略，并进行了相应的仿真。建立了带有独立驱动轴的8自由度车辆动力学模型。提出了典型道路上的行车控制策略。提出了一种基于车轮打滑率的典型路面识别算法。并设计了两种控制系统，包括基于PI算法的踏板开度调节控制系统和基于滑模控制算法的轴间转矩分配控制系统。开发了将踏板调节控制系统与车轴间扭矩分配控制系统相结合的拟议车辆的驾驶控制流程。并仿真了典型道路的驱动控制策略。仿真结果表明，所提出的驱动控制策略能够适应不同的典型路面，将驱动轮的滑移率限制在稳定区内，并确保车辆按照驾驶员的意图安全稳定地行驶。

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  • 来源
    《Mathematical Problems in Engineering》 |2013年第14期|408965.1-408965.17|共17页
  • 作者

    Wei Liu; Hongwen He; Jiankun Peng;

  • 作者单位

    National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing 100081, China;

    National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing 100081, China;

    National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing 100081, China;

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