Method and apparatus for planning a vehicle trajectory

By detecting parameters from vehicle status and environmental sensors, and combining cost functions and backpropagation smoothing techniques, vehicle trajectory planning is optimized, solving the problems of high computational load and insufficient configuration in existing technologies, and realizing flexible trajectory planning and smooth driving with low computational load.

CN115123233BActive Publication Date: 2026-07-17APTIV TECHNOLOGIES AG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
APTIV TECHNOLOGIES AG
Filing Date
2022-03-10
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing technologies, methods for planning vehicle trajectories are computationally expensive and lack flexible configuration, making it difficult to effectively coordinate longitudinal and lateral control in advanced driver assistance systems.

Method used

By using vehicle state sensors and environmental sensors to detect kinematic and environmental parameters, and using the corresponding cost function to estimate the rate of curvature change and longitudinal jerk, combined with backpropagation smoothing technology, the planned trajectory is optimized to reduce computational load and adapt to vehicle-specific configurations.

Benefits of technology

It enables flexible vehicle trajectory planning with low computational load, ensuring smooth driving behavior of vehicles in complex environments and improving the efficiency and stability of advanced driver assistance systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present disclosure relates to a method and an apparatus for planning a trajectory of a vehicle. A method for planning a trajectory of a vehicle is provided. According to the method, kinematic parameters of the vehicle are detected by using at least one vehicle state sensor, and environmental parameters of the vehicle are detected by using at least one environmental sensor. A rate of change of curvature and a longitudinal jerk are estimated based on respective cost functions depending on the kinematic parameters and the environmental parameters of the vehicle. A planned trajectory of the vehicle is estimated based on the rate of change of curvature and the longitudinal jerk.
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