Collaborative Headlight Beam Control to Prevent Oncoming Glare
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Solution Overview
Problem
Autonomous and semi-autonomous vehicles face challenges in effectively illuminating roadways and avoiding visual interference with other vehicles, particularly in scenarios where traditional headlight configurations may not adequately address shadows, obstructions, or off-road uncertainties, limiting their ability to navigate safely.
Innovation Solution
A collaborative headlight directing system where vehicles communicate and adjust their headlight configurations to avoid interference, illuminate broader areas, and focus light on uncertain regions, using processor-executable instructions and sensor data to optimize lighting plans based on relative positions and obstructions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If traditional headlight configurations are used, then the vehicle can illuminate the road directly ahead, but it cannot adequately illuminate broader areas or avoid visual interference with other vehicles
Solution Approach 1:
The headlight system dynamically adjusts beam direction and configuration based on real-time vehicle positions and environmental conditions. The processor receives collaborative lighting messages from other vehicles and continuously modifies headlight angles, switching between high-beam and low-beam configurations to adapt to changing scenarios and avoid visual interference while maintaining adequate illumination.
Solution Approach 2:
The system changes multiple parameters including headlight beam angle, brightness intensity, and configuration mode (high-beam/low-beam) based on received collaborative lighting messages. These parameter adjustments allow the vehicle to optimize illumination coverage while preventing glare and visual interference with other road users.
2Illumination intensity
If high-beam configuration is used to illuminate broader areas, then visibility is improved, but visual interference with other vehicles increases
Solution Approach 1:
The headlight system dynamically switches between high-beam and low-beam configurations based on real-time collaborative lighting messages from other vehicles. When approaching or following other vehicles, the system automatically transitions to low-beam mode to eliminate glare, while maintaining high-beam capability when the road is clear to maximize visibility.
Solution Approach 2:
The system receives feedback in the form of collaborative lighting messages from other vehicles indicating their presence, position, and lighting needs. This feedback loop enables the processor to adjust headlight configuration in real-time, switching from high-beam to low-beam when other vehicles are detected, thereby eliminating glare while preserving visibility when safe.
3Illumination intensity
If headlight beam is directed straight ahead, then the vehicle can see the path forward, but it cannot see around obstructions or in off-road areas
Solution Approach 1:
The headlight beam is segmented into multiple independent adjustable sections that can be directed at different angles. This allows the system to illuminate not only the direct path ahead but also areas around obstructions and off-road regions by directing individual beam segments to different locations based on sensor data and collaborative lighting messages.
Solution Approach 2:
The system extends illumination coverage by adjusting headlight beams in multiple dimensions - not only forward but also at angled directions to cover areas around obstructions and off-road regions. This multi-dimensional beam control enables comprehensive environmental illumination while maintaining forward visibility.
Data Source
AI summary
Various embodiments include methods and vehicles, such as an autonomous vehicle, a semi-autonomous vehicle, etc., for collaboratively directing or configuring one or more headlights of a vehicle to avoid visually interfering with operation of an oncoming vehicle. Various embodiments may include receiving, by a first vehicle processor, a first collaborative lighting message from a second vehicle, wherein the first collaborative lighting message requests that the first vehicle direct one or more headlights of the first vehicle to avoid visual interference with operation of the second vehicle and directing one or more the headlights of the first vehicle in accordance with the collaborative lighting plan. Directing the headlights to avoid visual interference with operation of the second vehicle may include switching the headlights to a low-beam configuration.