Vehicle Door Closure Control Based on Missing Key Detection
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Solution Overview
Problem
Existing vehicle systems fail to effectively manage door closure when the vehicle key is not located, leading to doors being left open unintentionally.
Innovation Solution
A vehicle control system that includes a position detector to locate the vehicle key and a controller to initiate different control modes based on the key's proximity and detection status, ensuring door closure is managed efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the door is closed when the vehicle key cannot be located, then safety is improved by preventing doors from being left open, but the risk of trapping the key or user increases
Solution Approach 1:
The system dynamically adjusts door closure behavior based on real-time key detection status. When the key is detected within the vehicle, the door remains open. When the key is not detected after a predetermined period, the door closes. This dynamic adaptation resolves the contradiction by making the closure decision context-dependent rather than fixed.
Solution Approach 2:
The system performs preliminary key detection and monitoring before executing door closure. By detecting the key position in advance and monitoring it over a predetermined period, the system ensures the key is not trapped before closing the door, thus preventing harmful effects while maintaining closure reliability.
2Object-affected harmful factors
If the door remains open when the vehicle key location is uncertain, then the risk of trapping the key is reduced, but the door may be left open unintentionally reducing safety
Solution Approach 1:
The system continuously monitors key position and provides feedback to the door control mechanism. The position detector detects whether the key is within the vehicle, and this feedback determines whether the door should remain open or close, ensuring reliable closure while preventing key trapping.
Solution Approach 2:
The system performs preliminary detection and monitoring of the key position over a predetermined period before making the door closure decision. This preliminary action ensures that the door only closes when it is certain the key is not trapped, balancing safety and reliability.
3Reliability
If the system continuously monitors the vehicle key position, then door closure safety is improved, but energy consumption increases
Solution Approach 1:
The system performs periodic key position monitoring rather than continuous monitoring. The position detector checks the key position at intervals and monitors for a predetermined period before triggering door closure, reducing energy consumption while maintaining adequate safety monitoring.
Data Source
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AI summary
A vehicle includes a position detector configured to detect where a vehicle key is located, and a controller. The controller is configured to initiate a first control mode that includes closing a door of the vehicle if a deferred closure request for closing the door is acquired and the position detector detects that the vehicle key is located a specified distance or greater away from the vehicle. Further, the controller is configured to initiate a second control mode that differs from the first control mode and includes closing the door if the deferred closure request is acquired and the position detector does not detect where the vehicle key is located for a predetermined specified period.