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以典型铁路客车的动力学模型为研究对象，以车辆最大可行速度为目标函数，采用遗传算法对其横向稳定性参数进行了最优化的计算研究．结果表明：遗传算法在求解车辆动力学系统的参数优化问题中具有很好的适用性．尤其是对于多参数、多峰的非线性问题，该法提供了求解问题全局最优解的可能性．
Taking the dynamic model of a typical railway passenger car as the research object, the maximum feasible speed of the vehicle is taken as the objective function, and its lateral stability parameters are calculated and optimized by genetic algorithm. The results show that genetic algorithm has good applicability in solving the parameter optimization problem of vehicle dynamics system. Especially for multi-parameter, multi-peak nonlinear problems, this method provides the possibility of solving the global optimal solution.