Vehicle Management Server Terminal Position Detection
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Solution Overview
Problem
When a vehicle is transferred to a new owner, existing systems fail to effectively notify the new user if a former user's information terminal remains registered, leading to uncertainty and potential security concerns.
Innovation Solution
A vehicle management server that periodically determines the positional relationship between a vehicle and associated information terminals, identifying and notifying new users if any terminals are outside a set range or have been continuously out of range, thereby indicating potential registration by a former user.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If contract information is managed only in the server without notification mechanisms, then the system is simple, but the new user cannot recognize whether a former user's terminal remains registered
Solution Approach 1:
The system implements feedback by notifying the new user terminal when another terminal is detected outside the setting range. The notification unit sends messages indicating the presence of terminals that may belong to former users, providing continuous information feedback to maintain transparency without requiring complex manual verification processes
Solution Approach 2:
The system performs self-service by automatically detecting terminals outside the setting range and notifying the new user without requiring manual intervention. The determination unit continuously monitors terminal positions and the notification unit automatically alerts the new user, eliminating the need for complex user-side verification mechanisms
2Measurement precision
If the system continuously monitors all information terminals, then detection accuracy is high, but energy consumption increases
Solution Approach 1:
The system uses periodic action by having the determination unit periodically determine whether terminals are within the setting range at predetermined intervals. This periodic monitoring approach maintains detection accuracy while allowing terminals to enter low-power states between monitoring cycles, significantly reducing overall energy consumption compared to continuous monitoring
Solution Approach 2:
The system applies partial action by only actively monitoring and notifying when terminals are detected outside the setting range. During normal operation when all terminals are within range, the system reduces monitoring intensity, performing checks only at predetermined intervals rather than maintaining constant high-level surveillance, thus balancing detection accuracy with energy conservation
Data Source
AI summary
A vehicle management server configured to manage information on a control device mounted on a vehicle, and information on a plurality of information terminals connectable with the control device is provided. The vehicle management server includes: an acquisition unit configured to acquire information indicating a positional relationship between the information terminals and the control device; a determination unit configured to determine, based on the information indicating the positional relationship, whether or not there is a first information terminal that is out of a setting range that includes the control device among the information terminals; and a notification unit configured to transmit, based on whether or not there is the first information terminal, a first message to at least one second information terminal different from the first information terminal among the information terminals.