Role-Based Notification Device for Human-Powered Vehicle Group Coordination
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Solution Overview
Problem
Existing notification systems for group rides do not effectively display positional relationships between human-powered vehicles, lacking features to differentiate roles within the group and provide timely notifications of changes in distance and orientation, which can hinder coordinated travel.
Innovation Solution
A notification device equipped with a display and controller that shows positional relationships between human-powered vehicles, with privilege settings to allow leaders or designated riders to view positions and changes in distance, using arrows for orientation and varying arrow thickness/length to indicate changes, and employing wireless communication for accurate and efficient data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If positional relationship information is displayed for all riders, then group coordination is improved, but information overload and distraction occur for individual riders
Solution Approach 1:
The notification device applies local quality by providing different information display characteristics to different riders based on their roles. Leaders receive comprehensive positional relationship information including arrows indicating distance changes and orientations, while ordinary riders receive simplified or no such information. This differentiated approach ensures that information is delivered where it is most needed without causing distraction to other riders.
2Ease of operation
If detailed positional information is provided to leaders, then group ride control is improved, but device complexity increases
Solution Approach 1:
The notification device segments information display functionality by rider role. The controller separates leader and ordinary rider modes, activating different display characteristics accordingly. Leaders receive enhanced information including arrow-based visual indicators for distance changes and orientations, while ordinary riders receive standard notifications. This segmentation allows complex leadership functionality without requiring all riders to have access to it.
Solution Approach 2:
The notification device implements dynamics by making the display characteristics adjustable and role-dependent. The system dynamically changes information presentation based on whether the rider is identified as a leader or ordinary member. This allows the device to adapt its complexity level to match the operational needs of different riders without being permanently complex for all users.
3Reliability
If real-time positional updates are displayed, then group safety is improved, but energy consumption increases
Solution Approach 1:
The notification device applies periodic action by updating positional relationship information at specific intervals rather than continuously. The controller receives position information from other riders' devices and updates display characteristics periodically based on these intervals. This approach maintains real-time safety monitoring capability while reducing energy consumption compared to continuous real-time display updates.
Data Source
AI summary
A notification device basically includes a display and a controller. The display is configured to display information related to positional relationship between a plurality of human-powered vehicles. The controller is configured to set a privilege for displaying the information related to the positional relationship on the display. The controller is further configured to display the information related to the positional relationship on the display in a case where the privilege for displaying information related to the positional relation has been set.