Helmet HUD Stabilization for Motorcycle Instrument Clusters
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Solution Overview
Problem
Existing head-up display systems for two-wheeler drivers face challenges in maintaining a stable and unobstructed view of image information due to the dynamic movement of the head and vehicle parts, leading to potential eye fatigue and distraction from moving virtual and physical display elements.
Innovation Solution
A method and system that adjust the position of image information displayed on a wearable device, such as a helmet, to maintain a predetermined spatial relationship with the vehicle's instrument cluster, ensuring that virtual display elements remain fixed relative to the physical instruments, even during head movements, using sensors and control algorithms to track the head's position and movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a head-up display is used in a motorcycle helmet to display image information, then the driver can access visual information while riding, but the display position moves together with the helmet and covers relevant objects, reducing visibility and creating distraction
Solution Approach 1:
The display position is dynamically adjusted based on the relative position between the driver's head and the vehicle. The system continuously tracks head movements and modifies the virtual display position to maintain a predetermined spatial relationship with physical vehicle parts, ensuring the display remains in optimal viewing positions without obscuring important visual information
Solution Approach 2:
The system uses sensors to detect the driver's head position and the relative position to vehicle parts, then feeds this information back to the display control unit. This closed-loop feedback mechanism allows real-time adjustment of the display position to maintain the desired spatial context and prevent the display from covering relevant objects
2Adaptability or versatility
If the head position changes during riding, then the driver's view of the environment changes, but the head-up display position also changes, causing the virtual display to move relative to the vehicle and environment
Solution Approach 1:
The system dynamically compensates for head movements by adjusting the display position in real-time. When the driver's head moves, the system calculates the new relative position and shifts the virtual display accordingly to maintain a stable spatial relationship with fixed vehicle reference points, creating the illusion of a stationary display
Solution Approach 2:
The system introduces a virtual intermediary layer between the driver and the physical environment. By projecting virtual display elements that appear to be attached to physical vehicle parts (like the instrument cluster or handlebars), it creates a stable reference framework that remains consistent despite head movements
3Adaptability or versatility
If virtual display elements move relative to physical instruments, then the display can adapt to head movements, but it creates eye fatigue and distraction due to the moving display elements
Solution Approach 1:
The system creates virtual copies of physical instruments and display elements that are superimposed on the real view. These virtual copies are positioned to maintain fixed spatial relationships with their physical counterparts, allowing the display to adapt to head movements while presenting a stable, non-distracting visual experience
Data Source
Figure 1~2
Figure 3
AI summary
The invention relates to a method for presenting image information (24) for the driver (20) of a vehicle (10), in particular a two-wheeled vehicle, by means of a device which can be worn on the head of the driver (20). In the method according to the invention, a position of the presented image information (24) within a display region (25) of the device is varied on the basis of the position of the head of the driver relative to a specific part of the vehicle (10) such that the position of the presented information (24) perceived by the driver (20), in particular at least one display element (26), within the display region (25) relative to the specific part of the vehicle (10) forms a specified spatial relationship which can be perceived by the driver (20) and remains substantially constant.