同时提出了实现GPS数据与数字地图的匹配，并实时显示车辆行驶轨迹的方法。
Meanwhile, it presents the methods for matching between GPS data and digital maps, showing the vehicle trail in real time.
车辆碰撞护栏的运动轨迹应能圆滑过渡，以较小的驶离角和较小的回弹量停留在不影响车辆正常行驶的地方。
The trajectory of vehicle barrier crash should be able to stay in the smooth transition, does not affect the normal running of the vehicle to leave the springback Angle and the smaller the.
然后利用LQ最优控制技术，构造了车辆沿着基准轨迹进行行驶路线变更的反馈控制器。
Then based on the LQ optimal control technique, the feedback controllers for lane change along the planned path were constructed.
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