独立驱动电动汽车的转矩优化分配策略研究

续丹; 王国栋; 曹秉刚; 冯晓辉

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独立驱动电动汽车的转矩优化分配策略研究

更新时间：2025-07-09

- 独立驱动电动汽车的转矩优化分配策略研究
- Study on Optimizing Torque Distribution Strategy for Independent 4WD Electric Vehicle
- 西安交通大学学报 2012年46卷第3期页码：42-46+68
- 作者机构：
  
  西安交通大学电动汽车与系统控制研究所,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TP273
- 网络首发：2012-03-10，
  
  纸质出版：2012
- 稿件说明：
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续丹, 王国栋, 曹秉刚, 等. 独立驱动电动汽车的转矩优化分配策略研究[J]. 西安交通大学学报, 2012,46(3):42-46+68.

Study on Optimizing Torque Distribution Strategy for Independent 4WD Electric Vehicle[J]. 2012, 46(3): 42-46+68.
续丹, 王国栋, 曹秉刚, 等. 独立驱动电动汽车的转矩优化分配策略研究[J]. 西安交通大学学报, 2012,46(3):42-46+68. DOI：

Study on Optimizing Torque Distribution Strategy for Independent 4WD Electric Vehicle[J]. 2012, 46(3): 42-46+68. DOI：

摘要

为了充分发挥四轮驱动电动汽车转矩独立可控的优势

提出了一种以提高驱动系统能效为目标的转矩分配策略.系统能效目标函数中包含了稳定性和经济性2个指标

旨在满足稳定行驶的同时尽量降低车辆的能量消耗.在横摆力矩、最大附着力和最大驱动力的约束条件下

对目标函数进行了求解

并利用MATLAB软件进行了仿真分析.结果表明

优化分配策略在保证车体稳定行驶的前提下

能够明显减少驱动系统的能量消耗

提高车体的系统能效.

Abstract

An optimization method of torque distribution for four wheels controlled independently was proposed to improve the drive system efficiency under the stable conditions. Both electric vehicle(EV)stability and EV fuel economy were considered in the efficiency target index. The solution of the target index was derived under the constraint conditions of sway torque requirement

maximum adhesion

and maximum driving force. The simulation analysis was performed with MATLAB. The simulation results show that the optimized distribution can reduce the energy consumption obviously and increase the system efficiency under the stable conditions.

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references

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YU Zhuoping, JIANG Wei, ZHANG Lijun. Torque distribution control for four wheel in-wheel-motor electric vehicle [J]. Journal of Tongji University, 2008, 36(8): 1115-1119.

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