基于模拟退火算法的小型方程式赛车转向系统的设计与优化

Design and Optimization of the Steering System for a Small Formula Racing Car

转向系统是车辆最重要的系统之一,它直接关系到车辆的安全性以及操纵稳定性。通过对小型方程式赛车转向几何关系以及其实际工况的分析,建立了分段式转向梯形的空间数学模型,采用模拟退火算法与数值优化算法相结合的综合优化算法,利用模拟退火算法得到近似解,再在该近似解的基础上采用数值优化算法求得精确最优解。仿真结果表明,模拟退火算法和数值优化算法相结合的方法在全局搜索能力和最优解逼近方面都有很好的表现,提高了车辆的操纵性。

Steering system is one of the most important system of the vehicle, it is directly related to vehicle safety and handling stability. Used for small formula one racing steering geometry and the actual working condition analysis established piecewise steering trapezoid space mathematical model, integrated optimization algorithm combined with the simulated annealing algorithm and a numerical optimization algorithm, using simulated annealing algorithm to get the approximate solution, in the approximate solution based on the numerical optimization algorithm is used to obtain the exact optimal solution. The simulation results show that the method of combined with simulated annealing algorithm and a numerical optimization algorithm in global search ability and the optimal solution approach has good performance, improve the vehicle handling.