Vehicle Unit Eject Triggered Data Download

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Solution Overview

Problem

Existing solutions for downloading driver data from Vehicle Units (VUs) in vehicles are inadequate, particularly for drivers working temporary or irregular shifts across multiple vehicles, leading to outdated records and potential non-compliance with regulations.

Innovation Solution

A Vehicle Unit downloading system that allows for the remote and timely download of user data devices, enabling the latest driver activities to be captured and transmitted to a remote server, even when drivers are not regularly returning to the same fleet company.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If driver data is downloaded on a fixed interval basis, then the download process is simple and systematic, but the data may be outdated for drivers working irregular shifts

Engineering Contradiction:
Improvedata currencyVSAvoiddownload control system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system implements feedback by continuously monitoring driver card insertion events and automatically triggering downloads when data currency criteria are met. This event-driven feedback mechanism ensures data is downloaded based on actual usage patterns rather than fixed intervals, resolving the contradiction between data currency and system complexity

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs self-service by automatically detecting when a driver card is inserted and initiating the download process without requiring manual intervention or complex scheduling systems. The VU autonomously manages data currency by monitoring insertion events and triggering downloads only when necessary

Inventive Principle:
Principle #25Self-service

2Reliability

If driver data is downloaded frequently, then data currency is maintained, but time and resources are wasted on unnecessary downloads

Engineering Contradiction:
Improvedata currencyVSAvoiddownload time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system performs preliminary action by pre-defining download trigger conditions based on driver card insertion events. When a driver card is inserted, the system immediately checks whether download conditions are met and executes the download only if necessary, avoiding unnecessary download operations and optimizing time usage

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system changes the download trigger parameter from fixed time intervals to event-based conditions (driver card insertion). This parameter transformation allows the system to download data only when actual driver activity occurs, maintaining data currency while eliminating wasted download time

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP3208776B1Vehicle unit with eject triggered download of user data
Publication Date: 2025.04.09 STONERIDGE ELECTRONICS
  • EP3208776B1 patent drawingFigure 1a~1b
  • EP3208776B1 patent drawingFigure 2a~2b
  • EP3208776B1 patent drawingFigure 2c~2d

AI summary

A Vehicle Unit (1), comprising a user data device port (5, 5') for receiving a user data device (7, 7') comprising user data, wherein the Vehicle Unit 1 is arranged to download user data from the user data device (7, 7') based on an ejecting request to eject the user data device (7, 7') from the user data device port (5, 5'), wherein the Vehicle Unit (1) is further arranged to enable releasing of the user data device (7, 7') after downloading of user data from the user data device (7, 7'), whereby the user data device (7, 7') may be ejected.