Helmet HUD Dynamic Display for Motorcycle Driver Load
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Solution Overview
Problem
Existing head-up display technologies for vehicles do not effectively prioritize the driver's field of view over vehicle information, particularly in two-wheeled vehicles, as they do not account for the driver's load state, making direct application challenging.
Innovation Solution
A display apparatus integrated into a helmet that detects the driver's load state using various sensors and adjusts the display mode by erasing or resizing vehicle information images based on the detected load, ensuring the driver's field of view is prioritized by sequentially removing lower-priority information and reducing image size as the load increases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If vehicle information is displayed with high visibility, then information provision is improved, but driver field of view is blocked
Solution Approach 1:
The display apparatus dynamically adjusts its operation based on detected driver load states. When high load is detected, the system switches from displaying all vehicle information to displaying only essential information or switching to audio output, thereby adapting the information provision to current driving conditions and resolving the contradiction between information visibility and field of view blockage
Solution Approach 2:
The system changes the display parameters (visibility, content, mode) based on the driver's load state. By detecting physiological or operational parameters indicating driver burden, the system adjusts information display intensity and content, reducing visual obstruction when the driver is under high load while maintaining adequate information provision when load is low
2Loss of information
If all vehicle information is displayed simultaneously, then information completeness is improved, but driver cognitive load increases
Solution Approach 1:
The display system segments information provision into different modes based on driver load: complete visual display when load is low, selective essential information when load is moderate, and audio-only or minimal display when load is high. This segmentation allows the system to maintain information completeness while adapting to cognitive capacity constraints
Solution Approach 2:
Instead of always providing complete information visually, the system applies partial action by switching to audio output or minimal display when driver load is high. This partial information provision through alternative channels maintains overall information completeness while reducing visual-cognitive burden on the driver
3Illumination intensity
If display luminance is increased for visibility, then image visibility is improved, but driver distraction increases
Solution Approach 1:
The display apparatus incorporates feedback mechanisms by detecting driver load states through sensors (physiological sensors, operational sensors) and using this feedback to dynamically adjust display luminance and content. When high driver load is detected, the system reduces display intensity or switches modes, creating a closed-loop control that prevents excessive distraction while maintaining adequate visibility when appropriate
Data Source
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AI summary
The present invention provides a display apparatus that provides, to a driver of a vehicle, an image showing vehicle information related to the vehicle by superimposing the image on a foreground of the vehicle, the apparatus including obtainment means for obtaining information related to a driving state of the driver, and control means for controlling a display mode of the image based on the information obtained by the obtainment means.