Bicycle Notification Device Positional Awareness
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Solution Overview
Problem
Existing notification systems for human-powered vehicles lack effective display of positional relationships between vehicles, particularly in scenarios where relative distances are large or changing, and fail to provide timely and user-requested information to riders.
Innovation Solution
A notification device with a display and controller that shows information on the positional relationship between human-powered vehicles, including relative distance and changes, using wireless communication and user inputs to optimize display timing and content based on predetermined conditions and user interactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the display continuously shows information related to positional relationships between human-powered vehicles, then rider awareness of relative positions is improved, but power consumption increases
Solution Approach 1:
The display controller shows positional relationship information periodically or intermittently rather than continuously. The controller determines when to display the information based on whether positional relationship information has changed, creating a periodic display pattern that maintains rider awareness while reducing power consumption compared to continuous display.
2Loss of information
If the display shows detailed positional relationship information at all times, then information completeness is improved, but display complexity increases
Solution Approach 1:
The display controller adjusts the display content and format based on local conditions - specifically, whether positional relationship information has changed. When changes occur, the display shows detailed positional relationship information; when no changes occur, the display maintains or updates other information. This selective display approach ensures information completeness when needed while simplifying the display when changes are absent.
3Reliability
If the notification device displays information about large relative distances, then rider safety is improved, but information overload occurs
Solution Approach 1:
The display controller extracts and prioritizes only the most critical positional relationship information for display - specifically focusing on cases where relative distances between vehicles are large and safety may be affected. By selecting and displaying only this essential safety-critical information rather than all available positional data, the system improves rider safety awareness while avoiding information overload.
Data Source
AI summary
A notification device basically including a display and a controller. The display is configured to selectively display first information related to a traveling state of a first human-powered vehicle and second information related to a positional relationship between the first human-powered vehicle and a second human-powered vehicle that is different from the first human-powered. The controller is configured to control the display to display the second information in a case where the positional relationship between the first human-powered vehicle and the second human-powered vehicle satisfies a predetermined condition.