考虑车辆运动预测的AEB系统控制策略
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重庆大学 机械传动国家重点实验室,重庆 400044

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U461.91

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AEB System Control Strategy Considering Vehicle Motion Prediction
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The State Key Lab of Mechanical Transmissions Chongqing University, Chongqing 400044, P.R.China

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    摘要:

    针对AEB系统弯道适应性差及舒适性不佳的问题,提出一种考虑变曲率弯道和制动舒适性,基于高斯过程运动预测的AEB系统控制策略。基于三次样条曲线建立行车道路模型,对前车进行定位,并计算相对曲线距离。考虑车辆运动的非线性特性以及时间效应,建立基于高斯过程理论的车辆运动预测模型,设计了基于预测碰撞时间的分级预警与制动控制策略。联合仿真结果表明:提出的控制策略能够有效实现车辆的避撞,解决了AEB系统在复杂动态工况下的弯道适应性和制动舒适性问题。

    Abstract:

    Aiming at the problem of poor corner adaptability and comfort of the AEB system, an AEB control strategy considering variable curvature corners and braking comfort based on motion prediction using gaussian process are proposed. The road model established based on the cubic spline curve is used to locate the obstacle and calculate the relative distance. Considering the nonlinear characteristics of vehicle motion and time effects, a vehicle motion prediction model based on gaussian process theory is established to designed the hierarchical early warning and braking control strategy based on predicted collision time. The results of the co-simulation show that the proposed control strategy can effectively avoid collisions and solve the problems of curve adaptability and braking comfort of the AEB system under complex dynamic conditions.

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  • 收稿日期:2022-01-10
  • 最后修改日期:2022-02-26
  • 录用日期:2022-03-04
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