中文说明：
无人驾驶汽车运动控制分为纵向控制和横向控制。纵向控制是指通过对油门和制动的协调，实现对期望车速的精确跟随。横向控制实现无人驾驶汽车的路径跟踪。其目的是在保证车辆操纵稳定性的前提下，不仅使车辆精确跟踪期望道路，同时使车辆具有良好的动力性和乘坐舒适性。
English Description：
The motion control of driverless vehicle is divided into longitudinal control and lateral control. Longitudinal control is to achieve accurate following of the desired speed through the coordination of throttle and brake. Lateral control realizes the path tracking of driverless vehicle. Its purpose is to ensure the vehicle handling stability, not only make the vehicle accurately track the desired Road, but also make the vehicle have good dynamic performance and riding comfort.