Navigation Map Updating Using Autonomous Driving Data
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Solution Overview
Problem
Existing map information systems often experience incongruity between provided map data and the actual road environment due to infrequent updates, leading to discrepancies that can confuse users.
Innovation Solution
Implement a system where map information for navigation and autonomous driving are maintained with different update frequencies, using the more frequently updated autonomous driving data to supplement and correct navigation data in real-time, thereby ensuring higher consistency with the actual road environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If map information is updated at fixed long intervals to reduce updating costs and time, then updating expenses are reduced, but discrepancy between map information and actual road environment increases
Solution Approach 1:
The patent merges navigation map information with autonomous driving map information into a unified map information providing system. The navigation map (updated less frequently) and autonomous driving map (updated more frequently) are combined, allowing the system to provide map information that reflects both cost-effective updates and current road conditions through the integration of multiple data sources
Solution Approach 2:
The patent implements dynamic map information providing by selectively switching between navigation map information and autonomous driving map information based on update timing and data availability. The system dynamically determines which map data to provide, transitioning from static fixed-interval updates to adaptive updates that respond to actual data freshness and completeness
2Reliability
If map information is updated frequently to maintain high consistency with actual road environment, then reliability is improved, but updating costs and time increase
Solution Approach 1:
The patent makes the autonomous driving map serve multiple functions: it is used both for autonomous driving control and for supplementing navigation map information. By updating the autonomous driving map more frequently and using it to fill gaps in navigation map data, the system achieves high reliability without proportionally increasing overall updating costs, as the same data serves dual purposes
Solution Approach 2:
The autonomous driving map acts as an intermediary data source that bridges the gap between infrequently updated navigation maps and real-time road conditions. When navigation map information is outdated or incomplete, the system uses the autonomous driving map as a mediator to provide current road environment data, reducing the need for frequent expensive navigation map updates
Data Source
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AI summary
A map information-providing system, a map information-providing method, and a map information-providing program which can provide map information while suppressing incongruity a recipient feels are provided. A navigation system (1) (map information-providing system) includes a storage unit (10) storing map information for navigation (11) (first map information) and map information for autonomous driving (12) (second map information) an updating period thereof is different from the map information for navigation (11) with respect to at least a portion of a period of time, and a map information-providing unit (40) which performs driving guidance by providing at least a portion of items to be provided by the map information for navigation (11) using the map information for autonomous driving (12) in a case where the map information for autonomous driving (12) had been updated based on newer information than the map information for navigation (11) at a time of performing driving guidance.