Vehicle Beam-Shaping Lamp Control for Cross-Border Lighting Compliance
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Solution Overview
Problem
Existing vehicle lighting systems fail to efficiently adapt to varying geographic lighting regulations when traveling across different regions.
Innovation Solution
A vehicle lighting system equipped with a navigation device, beam shaping lamp, and controller that adjusts light beam patterns based on geographic location and regulatory compliance, utilizing GPS, imaging cameras, and stored lighting regulations to dynamically change beam patterns and colors as needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If vehicle lighting systems use fixed beam patterns, then device complexity is reduced, but adaptability to different geographic lighting regulations deteriorates
Solution Approach 1:
The patent implements dynamic beam pattern adjustment by controlling individual LED modules within the headlamp assembly to change beam configurations based on geographic location. The system transitions from static to dynamic lighting patterns through GPS-based location detection and corresponding beam shape modifications, allowing the same physical lighting device to adapt to different regional regulations without hardware changes.
Solution Approach 2:
The system changes lighting parameters including beam pattern shape, illumination intensity distribution, and color temperature based on detected geographic location and corresponding lighting regulations. By adjusting these parameters through electronic control of LED modules, the system achieves compliance with different regional requirements while maintaining the same physical lighting hardware.
2Ease of operation
If vehicle lighting systems manually adjust beam patterns, then device complexity is reduced, but ease of operation deteriorates
Solution Approach 1:
The lighting system performs self-adjustment by automatically detecting geographic location through GPS, identifying applicable lighting regulations, and configuring appropriate beam patterns without driver intervention. The system serves itself by autonomously monitoring location changes and adjusting lighting parameters, eliminating the need for manual operation while maintaining regulatory compliance.
Solution Approach 2:
The system implements feedback control by continuously monitoring GPS location data, comparing current positioning against stored geographic lighting regulation databases, and automatically adjusting beam patterns accordingly. This closed-loop feedback mechanism ensures the lighting system responds appropriately to location changes and maintains compliance with local regulations.
3Adaptability or versatility
If vehicle lighting systems use multiple fixed beam patterns, then adaptability to lighting regulations is improved, but device complexity increases
Solution Approach 1:
The headlamp assembly is segmented into multiple independently controllable LED modules arranged in specific spatial configurations. Each module can be individually activated or deactivated to create different beam patterns, allowing the system to generate multiple lighting configurations from a single modular structure rather than requiring separate fixed-pattern lamps.
Solution Approach 2:
A single beam shaping lamp assembly performs multiple functions by generating different beam patterns (such as asymmetric low beam, symmetric high beam, and region-specific patterns) through electronic control of its LED modules. This multi-functional design eliminates the need for multiple dedicated lamps for different lighting conditions and regulatory requirements.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures compliance with local lighting regulations by automatically adjusting beam patterns and colors, enhancing safety and legal compliance during cross-border travel.
Implementation Method 1
a navigation device for detecting a geographic location of the vehicle
Implementation Method 2
a beam shaping lamp configured to illuminate light in a light beam pattern
Implementation Method 3
the pixel lamp comprises a plurality of light emitting diodes configured in an array, each of the plurality of diodes being selectively activatable to generate the beam output
Implementation Method 4
an imaging camera configured to capture images of a surrounding environment, wherein the controller processes the video images to detect one or more road signs
Data Source
AI summary
A vehicle has a navigation device for detecting a geographic location of the vehicle, a beam shaping lamp configured to illuminate light in a light beam pattern, and a controller configured to process the geographic location and to determine a geographic region. The controller determines a light beam pattern in compliance with lighting regulations associated with the determined geographic region. The controller configures the beam shaping lamp to generate the light beam pattern in compliance with the lighting regulations.