Wireless Authentication Device for Saddle-Type Vehicle Restart
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Solution Overview
Problem
Saddle-type vehicle drivers face challenges in restarting their vehicles after losing a mobile terminal, as existing systems do not allow for restartability if the power engine is stopped without the key.
Innovation Solution
A wireless authentication device for saddle-type vehicles that performs authentication through wireless communication with a mobile terminal, featuring a locking mechanism and controller to keep the vehicle in an unlocked state for a restartable period if the mobile terminal is lost, enabling the user to shift the start switch from a locked to a startable position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the locking mechanism restricts the start switch to prevent unauthorized use after key loss, then vehicle security is improved, but the user cannot restart the vehicle even during the restartable period
Solution Approach 1:
The locking mechanism transitions from a static locked state to a dynamic state where it can be temporarily overridden. The controller dynamically adjusts the locking mechanism's state based on the restartable period condition, allowing the start switch to be operated during this period while maintaining security restrictions outside this period.
Solution Approach 2:
The system changes the operational parameters of the locking mechanism based on time conditions. During the restartable period, the locking mechanism's restriction parameter is modified to allow start switch operation, while outside this period, the original security restrictions remain in effect.
2Ease of operation
If the system allows vehicle restart after key loss, then user convenience is improved, but vehicle security may be compromised
Solution Approach 1:
The system performs preliminary authentication through wireless communication with the mobile terminal before allowing the restartable period to begin. This preliminary action verifies the user's identity and establishes the controlled environment for the subsequent restartable period, ensuring security is maintained while enabling convenience.
Solution Approach 2:
The controller acts as an intermediary between the locking mechanism and the start switch during the restartable period. It mediates the interaction by temporarily modifying the locking mechanism's behavior to allow start switch operation, while maintaining overall system security through controlled access.
3Reliability
If the locking mechanism remains locked to ensure security, then unauthorized access is prevented, but the user cannot shift the start switch to start the engine during the restartable period
Solution Approach 1:
The locking mechanism's state is made dynamic rather than fixed. The controller dynamically modifies the locking mechanism's behavior during the restartable period, transitioning it from a permanently locked state to a temporarily overrideable state, thereby enabling engine startup capability while maintaining access control security.
Solution Approach 2:
The system implements periodic control based on the restartable period. The locking mechanism operates in a periodic manner where it restricts access outside the restartable period but allows operation during this specific time window, creating a rhythmic pattern of restricted and permitted access.
Data Source
AI summary
A wireless authentication device includes a first operating input device, a locking mechanism, and a controller. The first operating input device receives an operation of a power engine to a startable state by being shifted from a first position to a second position. The locking mechanism switches between locked and unlocked states, the locked state being a state that restricts the shift of the first operating input device from the first position to the second position, and the unlocked state being a state that allows the first operating input device to shift from the first position to the second position. The controller determines whether the mobile terminal is lost through wireless communication with the mobile terminal, and if the power engine has stopped while the mobile terminal has been determined to have been lost, performs processing for keeping the locking mechanism in the unlocked state during a restartable period.