Turn-Detection Navigation Mapping for Uncharted Route Segments
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Solution Overview
Problem
Digital maps often lack preprogrammed route segments in rural and underdeveloped areas, inhibiting navigation systems from determining optimal vehicle routes and improving fuel efficiency.
Innovation Solution
A navigation system that uses GPS data to identify current location, searches for matching known segments, and records new segments by tracking vehicle turns, linking them to the existing map for future use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If digital maps include preprogrammed route segments for all areas, then navigation systems can determine optimal routes and improve fuel efficiency, but the cost and complexity of mapping and maintaining comprehensive digital maps increases significantly
Solution Approach 1:
The system enables the digital map to self-update by automatically detecting new route segments through GPS tracking of vehicle movements. The navigation system captures turn data and geographical information from vehicle trips, processes this data to identify new segments, and integrates them into the digital map without requiring manual mapping interventions, thereby reducing maintenance complexity while improving route coverage
Solution Approach 2:
The system performs preliminary data collection and processing by continuously tracking vehicle positions and turns, storing this information in a database for later analysis. This preliminary action prepares the data needed for automatic segment detection and map updates, enabling the system to proactively expand map coverage before navigation routes are needed in unmapped areas
2Loss of information
If the navigation system tracks and records all vehicle movements to create new route segments, then the digital map coverage improves, but the data processing requirements and system computational load increase
Solution Approach 1:
The system extracts only the essential data elements needed for segment detection from the raw GPS tracking data, specifically focusing on turn events and geographical coordinates. By isolating and processing only the critical information rather than analyzing all movement data, the system reduces computational requirements while still capturing complete route segment information
Solution Approach 2:
The navigation system divides the route tracking process into distinct segments: data collection during vehicle operation, turn detection analysis, new segment identification, and map integration. This segmentation allows each processing stage to handle specific tasks efficiently, reducing the overall computational burden by breaking down the complex data processing into manageable, specialized operations
3Measurement precision
If the navigation system automatically detects and adds new route segments to the digital map, then map accuracy and completeness improve, but the risk of introducing errors or incorrect segments increases
Solution Approach 1:
The system implements feedback mechanisms where detected turn segments are validated against existing map data and geometric consistency checks before being permanently integrated. The navigation system continuously monitors the detected segments, compares them with known geographical features and existing route patterns, and only confirms segments that pass validation criteria, thereby maintaining data integrity while improving map accuracy
Solution Approach 2:
Before integrating new route segments into the digital map, the system performs preliminary validation and verification steps, including checking geometric consistency, comparing with satellite imagery or existing map data, and confirming the segments match expected route patterns. This preliminary action filters out potential errors before they compromise map reliability
Data Source
AI summary
A navigation system for generating turn segments includes a processor, a memory module communicatively coupled to the processor, a segment list stored in the memory module that includes a plurality of known segments, and machine readable instructions stored in the memory module. The machine readable instructions cause the navigation system to identify a current location of the navigation system, search the segment list for at least one known segment candidate that is within a threshold distance of the current location, determine whether at least one known segment candidate from the segment list includes the current location, track turn movements of the navigation system to form an unknown segment in response to determining at least one known segment candidate does not include the current location, and to link the unknown segment to the plurality of known segments from the segment list.