Navigation System Route Selection Threshold Logic
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Solution Overview
Problem
Current vehicle navigation systems face challenges in balancing driver distraction and personal influence in route selection during traffic changes, with automatic dynamization minimizing driver interaction but potentially using unreliable routes, and manual dynamization distracting the driver with frequent inquiries for minor route changes.
Innovation Solution
A method that determines a first and second route based on traffic situations, comparing them to identify a route change difference, and only offers the user a selection if the difference exceeds a threshold, allowing automatic selection for minor changes and user interaction for significant detours, with threshold values adjustable by the user.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If automatic dynamization is used to minimize driver interaction, then driver distraction is reduced, but the driver loses personal influence over route selection
Solution Approach 1:
The system dynamically adjusts between automatic and manual modes based on the significance of route changes. For minor changes, automatic selection is applied; for significant changes, manual selection is offered to the driver. This dynamic adaptation resolves the contradiction by making the system behavior flexible rather than fixed.
Solution Approach 2:
The system uses threshold values as parameters to control the transition between automatic and manual modes. By changing the threshold parameter, the system adapts its behavior to different situations, allowing automatic operation for routine cases while enabling manual control when needed.
2Adaptability or versatility
If manual dynamization is used to allow driver selection, then driver personal influence is maintained, but driver distraction increases due to frequent inquiries
Solution Approach 1:
Instead of offering manual selection for all route changes (excessive action), the system applies manual selection only for significant route changes that exceed a threshold (partial action). This reduces unnecessary driver interactions while maintaining driver influence when it truly matters.
3Adaptability or versatility
If route selection is offered for every traffic change, then driver personal influence is maintained, but unnecessary inquiries distract the driver
Solution Approach 1:
The system applies route selection offering partially - only when route changes exceed a significance threshold. This avoids excessive inquiries for minor changes while maintaining selection freedom for meaningful changes, resolving the contradiction between driver influence and time loss.
4Ease of operation
If automatic route selection is used, then driver distraction is minimized, but unreliable routes may be selected
Solution Approach 1:
The system uses feedback from route comparison (evaluating route change significance) to determine whether to apply automatic or manual selection. This feedback mechanism ensures reliable routes are selected by involving the driver when automatic selection might be unreliable.
Data Source
AI summary
A method is provided for determining a route for a route guidance, in which a first route is determined on the assumption of a first traffic situation, a second route is determined on the assumption of a second traffic situation, the second route being compared to the first route, and a route change difference being determined from the comparison, where the two routes are offered to a user for the selection for an additional route guidance only if the route change difference exceeds a first threshold value. A device for carrying out the method is also described.