Vehicle braking capacity simulation calculation method and system

The invention provides a vehicle braking capacity simulation calculation method and system, and the method comprises the steps: building a vehicle motion equation based on ramp force, vehicle operation resistance and braking force applied to a vehicle, carrying out the analysis of the stress of the vehicle, and obtaining the deceleration of the vehicle after the numerical calculation; integral operation is conducted on the deceleration, and vehicle running displacement is obtained; relevant simulation parameters and solver types are set, simulation is carried out, and numerical values and change rule charts of all the parameters are obtained. The simplification degree is reduced, and the obtained relevant parameter values and charts are more accurate. 本发明提供了一种车辆制动能力仿真计算方法及系统，包括：基于坡道力、车辆运行阻力及对车辆施加的制动力建立车辆运动方程，对车辆受力进行分析，经数值运算后获取车辆减速度；对减速度进行积分运算，获取车辆运行位移；设置相关仿真参数和求解器类型后进行仿真，获取各参数的数值和变化规律图表。降低了简化程度，获取的相关参数数值和图表更精确。