针对月球探测器垂直软着陆过程，基于耗燃最优的原则，利用最优化理论确定了点火切换曲线。设计出一种制动方案。

Based on minimal fuel principle, the switching curve of ignition is confirmed by using optimization theory, and a braking scheme is designed for the process of the lunar probe vertical soft landing.

youdao

轮胎印迹内垂直载荷的分布与形式的选择，对建立轮胎制动与驱动特性的理论模型有很大影响。

The vertical load distribution in tyre tread imprint and the selection of tyre types will greatly influence the establishment of a theoretical model for braking and driving characteristics of tyres.

youdao

充分考虑车辆在转弯制动工况下，因纵向、侧向加速度的存在而引起的轮胎所受垂直载荷的转移，建立了汽车弯道行驶的八自由度整车动力学仿真模型。

Considering the influence of wheel vertical load, the paper establishes a dynamic model of 8 degrees freedom for an entire vehicle when driving in the crooked roads.

youdao