Vehicle Headlight Polygon Projection for Adaptive Environmental Lighting
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Solution Overview
Problem
Existing headlight technologies for motor vehicles are limited in their dynamic and interactive capabilities, failing to effectively adapt to environmental features and provide immersive, safety-enhancing light patterns.
Innovation Solution
A method and system for a headlight device that projects polygon meshes with adjustable light patterns, utilizing a control unit to dynamically adjust the light based on vehicle data and environmental interactions, simulating physical properties and conditions to create a lively, organic representation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional headlight illumination methods are used, then the basic illumination function is achieved, but the ability to dynamically adapt to environmental features and provide interactive lighting is limited
Solution Approach 1:
The patent implements dynamic light patterns that can change in real-time based on environmental features. The projection device dynamically adjusts the polygon mesh parameters, brightness distribution, and light pattern morphology to interact with detected objects such as pedestrians, animals, or road features, transforming static illumination into an adaptive, living light system
Solution Approach 2:
The system employs sensor devices to detect environmental features and feeds this information back to the control unit. The control unit processes the sensor data and adjusts the light projection accordingly, creating a closed-loop feedback system where the illumination responds to and interacts with the environment based on real-time detection
2Reliability
If simple light patterns are projected, then the device complexity is low, but the ability to provide immersive and safety-enhancing lighting is reduced
Solution Approach 1:
The light pattern is segmented into a polygon mesh structure with multiple independently controllable regions. Each polygon surface can be assigned different brightness levels, colors, or animation patterns, allowing selective illumination of specific environmental features while maintaining overall system reliability through modular control
Solution Approach 2:
Different regions of the projected light pattern are assigned different qualities and functions. Certain polygon surfaces are brightened to highlight safety-critical features, while others provide ambient illumination or directional guidance, creating localized functional zones within the overall light pattern that enhance specific aspects of safety
3Ease of operation
If static light patterns are used, then the system is simple to operate, but the ability to dynamically highlight objects and conditions is limited
Solution Approach 1:
The system performs self-adjustment by automatically detecting environmental features through sensor devices and autonomously modifying the light projection parameters. The control unit processes sensor input and dynamically reconfigures the polygon mesh and brightness distribution without requiring manual intervention, enabling the lighting system to serve itself in adapting to changing conditions
Data Source
AI summary
A method for operating a headlight device of a motor vehicle, wherein the headlight device comprises a projection device and a control unit which is designed to control the projection device for projecting a predetermined light pattern in a predetermined projection region of the projection device. The light pattern in a polygon operating mode of the headlight device comprises a polygon mesh with polygon surfaces having polygon edges defined by projection points as corner points. At least partially different projection brightnesses are assigned to the polygon surfaces, wherein at least one physical property is assigned to at least one polygon feature of the polygon surfaces, in particular at least to the corner points, wherein, for dynamic adjustment of the light pattern in a dynamic submode of the polygon operating mode: time-current operating data of the motor vehicle and/or measurement data of the motor vehicle are recorded, which describe the driving state of the motor vehicle and/or environmental features relevant to the physical property in an environment of the motor vehicle encompassing the projection region, an environment model is provided based on the operating data and/or measurement data, at least for the projection region, and the polygon mesh is adjusted before the light pattern is output on the basis of a computationally determined item of adjustment information that describes a virtual physical interaction of the polygon surfaces with the environment model on the basis of the at least one assigned physical property.