为减少道路突发事故，提高车辆通行效率，需要研究车辆的紧急避障以实现自主驾驶。
基于车辆点质量模型，设计了非线性模型预测控制( MPC) 路径规划器; 基于车辆动力学模型，设计了线性时变MPC 轨迹跟踪器。(Emergency obstacle avoidance is one of the key points for autonomous driving system. A path planning controller based on non-linear model predictive control and a path tracking controller based on linear time-varying model predictive control are designed.　In path planning controller, an obstacle-avoiding function is used to adjust the distance between the intelligent vehicle and obstacles by calculating the
value of obstacle-avoiding function.)