Pixel Headlight Synchronization for Glare-Reduced Surround Illumination
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing vehicle lighting systems struggle with glare on icy or wet road surfaces and fail to adequately illuminate or detect details of oncoming vehicles, particularly in conditions that impair the vehicle's camera and driver visibility.
Innovation Solution
A method utilizing a high-frequency image sequence with a reference image for uniform illumination, synchronized with a vehicle camera, to adjust light distribution and minimize glare while enhancing detection of vehicle surroundings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional mirror systems with separate control units are used for each mirror, then each mirror can be controlled independently, but the device complexity and wiring requirements increase significantly
Solution Approach 1:
The patent combines multiple mirror control functions into a single control unit that can manage all mirrors through a common communication bus. This merging approach eliminates the need for separate control units for each mirror, reducing wiring complexity while maintaining independent control capability through digital signaling on the shared bus.
Solution Approach 2:
The control unit is designed with universal functionality to manage multiple different mirror types (adjustable mirrors, heating mirrors, washing mirrors) through a single interface. This multi-functional design allows one control unit to replace multiple specialized control units, simplifying the overall system architecture.
2Measurement precision
If multiple separate control units are used for different mirror functions, then specific mirror functions can be controlled precisely, but the number of control units and wiring requirements increase
Solution Approach 1:
The patent segments mirror control functions into modular functional units (adjustable mirror unit, heating mirror unit, washing mirror unit) that can be independently designed and controlled, yet integrated through a common communication bus. This segmentation allows precise control of each function while avoiding the need for separate physical control units for each function.
Solution Approach 2:
The communication bus acts as an intermediary between the control unit and multiple mirror functions. It enables precise control signaling to reach specific mirror functions while the control unit maintains a unified interface, reducing the number of direct connections and control units needed.
3Ease of manufacture
If conventional mirror systems are used without integrated control, then installation is straightforward, but the system cannot provide coordinated control of multiple mirror functions
Solution Approach 1:
The patent adds a digital communication dimension to the traditional mirror control system. By introducing a communication bus that carries digital signals, the system enables coordinated control of multiple mirror functions without adding physical complexity to the mirror assemblies themselves, maintaining installation simplicity while enhancing control capability.
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The invention relates to a method for illuminating the vehicle surroundings of a motor vehicle, in which - a pixel headlight (10, 12) outputs light (40) as a function of a control signal representing an image sequence (14), wherein a respective individual image (20, 22) of the image sequence (14) corresponds to the respective current light distribution that is to be provided at a given time by the pixel headlight (10, 12), - the illuminated vehicle environment is detected by means of a vehicle camera which provides corresponding camera data (18), and in which - the camera data (18) is evaluated by means of an evaluation unit taking into account a predetermined light distribution in order to determine and to provide the control signal for controlling the pixel headlight (10, 12). According to the invention, the image sequence (14) is provided with an image sequence frequency of greater than 24 Hz, wherein the image sequence (14) comprises at least one reference image (16) for uniformly illuminating the vehicle environment, wherein the vehicle camera for detecting the vehicle environment is synchronized with respect to the reference image (16), and wherein the control signal is determined as a function of the camera data (18) detected with respect to the reference image (16).