Lane Keeping Control Using Tunnel Lighting Lines
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Solution Overview
Problem
Existing autonomous driving technologies struggle to maintain lane keeping in tunnels where lane conditions are poor and visibility is compromised, leading to potential safety issues.
Innovation Solution
A method and apparatus that utilize lighting lines within tunnels to calculate a corrected lane based on lane condition and visibility information, enabling central control of the vehicle to maintain precise lane keeping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing autonomous driving technologies are used for lane keeping, then normal lane keeping function is maintained, but lane keeping accuracy deteriorates in tunnels with poor visibility and lane conditions
Solution Approach 1:
The patent introduces lighting lines as an intermediary element to assist lane detection in tunnels. When lane markings are unclear or invisible due to poor tunnel conditions, the system detects lighting lines (such as LED strips or illuminated edges) along the tunnel wall or road boundary as a substitute reference for determining vehicle position and maintaining lane keeping functionality.
Solution Approach 2:
The system dynamically changes the reference parameter for lane keeping based on environmental conditions. In normal conditions, it uses traditional lane markings, but in tunnel conditions with poor visibility, it switches to using lighting line parameters (position, orientation, curvature) as the reference framework for vehicle positioning and steering control.
2Ease of operation
If traditional lane keeping assist systems are used in tunnels, then basic control function is maintained, but control accuracy deteriorates due to poor lane conditions
Solution Approach 1:
The lane keeping control system dynamically adapts its reference framework based on detected environmental conditions. The system continuously monitors lane marking visibility and automatically switches between traditional lane marking-based control and lighting line-based control, adjusting the reference parameters in real-time to maintain control precision despite changing tunnel conditions.
3Reliability
If lane keeping assist is disabled in poor visibility conditions, then false lane detection is avoided, but lane keeping assistance is lost when it is actually needed
Solution Approach 1:
The patent introduces lighting lines as an intermediary reference when traditional lane markings become unreliable. This alternative reference system allows the lane keeping assist to remain active and provide continuous guidance without suffering from false detections, as lighting lines provide stable geometric references even when lane markings are invisible or ambiguous.
Data Source
AI summary
Provided are a lane keeping assist method and device. The lane keeping assist method performed by a lane keeping assist device includes: determining whether there is a tunnel through information acquired by a traveling vehicle; recognizing a lighting and a lighting line through a front camera in the traveling vehicle; checking lane condition and lane visibility information; calculating a corrected lane based on the lane condition and lane visibility information; and performing central control of the traveling vehicle based on the corrected lane.