Vehicle Driver Status Control via RFID Key Authentication
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Solution Overview
Problem
Conventional vehicles lack the ability to differentiate between primary and secondary drivers, allowing secondary drivers to potentially disable critical safety and notification features, which may not align with the intentions of primary drivers.
Innovation Solution
A system that determines whether the driver is primary or secondary based on an RFID tag associated with the ignition key, controlling the enabling and disabling of safety features like seatbelt restraint, forward collision warning, electronic stability control, and emergency notifications accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If keys are shared between primary and secondary drivers, then ease of operation is improved, but reliability deteriorates because secondary drivers can disable safety features
Solution Approach 1:
The system assigns different access rights and control capabilities to different drivers based on their role (primary vs. secondary). The primary driver has full access to enable/disable safety features, while the secondary driver's access is restricted. This local differentiation of permissions resolves the contradiction by maintaining ease of operation through key sharing while ensuring reliability through role-based control limitations.
2Adaptability or versatility
If safety features can be disabled by any driver, then adaptability is improved, but harmful factors increase due to potential safety compromises
Solution Approach 1:
The system preemptively prevents secondary drivers from disabling safety features by implementing role-based access control. Before a harmful action (disabling safety features) can occur, the system checks the driver's role and blocks the action if performed by a secondary driver. This preliminary anti-action resolves the contradiction by allowing adaptability for primary drivers while preventing harmful factors from secondary drivers.
3Reliability
If driver identification is implemented, then reliability is improved, but device complexity increases
Solution Approach 1:
The system uses RFID tags embedded in keys to copy and transmit driver identification information wirelessly to the vehicle's controller. Instead of complex physical identification mechanisms, the system relies on simple radio frequency signal copying and recognition. This approach resolves the contradiction by providing reliable driver status verification through straightforward RFID technology rather than complex identification systems.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures that primary drivers can enforce the use of safety features and notifications, while preventing secondary drivers from disabling them, thereby enhancing safety and compliance with the primary driver's intentions.
Implementation Method 1
A system that determines whether the driver is primary or secondary based on an RFID tag associated with the ignition key
Data Source
AI summary
A system for controlling the operation of at least one of commanding an occupant communication device and entering data into the occupant communication device based on whether a driver is a primary or a secondary driver is provided. A controller is configured to receive a driver status signal indicative of whether the driver is the primary driver or the secondary driver. The controller is configured to determine whether the driver of the vehicle is one of the primary and the secondary driver based on the at least one driver status signal. The controller is configured to selectively control the operation of at least one of commanding the occupant communication device and entering data into the occupant communication device based on whether the driver of the vehicle is the primary driver or the secondary driver.