Fz

代码说明：

说明：  汽车的轮胎垂向力计算模块，模型输入为汽车的实体参数、汽车的电动参数纵向和横向加速度，输出为汽车四个轮胎的垂向力。(Automobile tire vertical force calculation module, the model input for the entity parameters of the car, the electric parameters of the car' s longitudinal and lateral acceleration, the output of the vertical force of the car four tires.)