Vehicle Data Access via External Device Without Vehicle Startup
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Solution Overview
Problem
Current vehicle systems require an occupant to be present and the vehicle to be started in order to make settings and transmit/receive data from a vehicular device, which is not feasible when the vehicle is stopped without passengers or operators.
Innovation Solution
A vehicle system comprising a vehicular device and an external device that is communicatively connected and accessible from an external terminal device, allowing data changes to be reflected on the vehicular device without an occupant onboard and without starting the vehicle, using a USB communication path or other wired/wireless connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the vehicle is stopped without passengers or operators, then power consumption is reduced, but data transmission and setting operations become impossible
Solution Approach 1:
The system performs data transmission and setting operations in advance while the vehicle is still operational or being accessed, storing the data in the vehicular device's storage unit before the vehicle stops. This allows the vehicle to remain stopped and conserve power while the data has already been transmitted and stored, eliminating the need for continuous power supply during stopped state for data operations.
2Reliability
If the vehicle is stopped without passengers or operators, then operational safety is improved, but accessibility to vehicular device becomes impossible
Solution Approach 1:
The system introduces an external device as an intermediary that can access and communicate with the vehicular device even when the vehicle is stopped without passengers or operators. The external device acts as a mediator that bridges the gap between the stopped vehicle state and the need for data transmission, allowing operations to occur through the external device's connection to the vehicular device's communication interface.
3Loss of information
If the vehicle is started to enable data transmission, then data communication capability is improved, but power consumption and operational complexity increase
Solution Approach 1:
The system performs data transmission operations in advance while the vehicle is still running or being accessed, storing the data in the vehicular device's storage unit before the vehicle stops. This eliminates the need to restart the vehicle solely for data transmission purposes, thereby avoiding additional power consumption and operational complexity associated with vehicle startup and shutdown cycles.
Data Source
AI summary
A vehicle system of an embodiment includes a vehicular device and an external device solely operable and is communicably connected to the vehicular device. The external device is accessible from an external terminal device, and reflects a result of an access therefrom on the vehicular device.