多轴越野车辆驱动力分配的优化研究

Study on Optimization for Drive Force Distribution of Multi-axle Cross-country Vehicle

基于优化设计理论,建立了以车辆动力性为优化目标的多轴越野车辆驱动力分配系数的优化模型.利用MATLAB GUI编制了相应的软件,该软件可对车辆驱动力分配系数进行优化,也可对其车辆动力性进行计算.以某一4×4越野车辆为例,对其驱动力分配系数进行了优化,通过对优化前后车辆动力性能的对比分析,验证了优化模型的精确性及软件的实用性.

Based on the optimal design theory, the optimization model for drive force distribution of multi-axle cross-country vehicle is established in this paper to improve vehicle＇s power performance. A suit of software, which can be used to optimize the vehicle＇s drive force distribution and calculate its power performance, is developed with MATLAB GUI. At the end of the paper, taking a kind of 4WD vehicle as example, the optimization for its drive force distribution is performed by the software. The result shows the accuracy of the model and the practicality of the software.