Vehicle Lateral Control System for Lane Keeping
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Solution Overview
Problem
Limited Ability Autonomous Driving Systems often misinterpret driver intentions, leading to false steering override detections, excessive lateral motion, inaccurate path determination, and unintentional vehicle drifting out of the lane due to flawed lane centering algorithms.
Innovation Solution
A combined lateral vehicle control system incorporating lane keeping and lane centering systems, which uses sensors and adaptive algorithms to accurately determine driver intentions and maintain vehicle position within the lane, with the lane keeping system engaging if the lane centering system fails, and vice versa, allowing for quick driver override.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If lane centering system provides aggressive correction, then vehicle returns to lane quickly, but excessive lateral motion occurs causing discomfort
Solution Approach 1:
The patent implements dynamic control strategies where the lane keeping system adjusts its correction aggressiveness based on current vehicle state and lane centering system performance. The system modulates lateral control intensity to achieve timely lane return while preventing excessive lateral motion that would cause passenger discomfort or loss of control.
Data Source
AI summary
A method, system and computer readable medium to autonomously keep a vehicle in a lane. The method including, engaging a lane centering system configured to maintain the vehicle within the lane, at a specified lane position. Further engaging a lane keeping system when the lane centering system fails to keep the vehicle within the lane, the lane keeping system configured to return the vehicle to the lane, when the vehicle leaves or is leaving the lane. And, applying a cost function to determine the nature of engagement of the lane keeping system to return the vehicle to the lane.