Vehicle Transformation Device for Protocol Updates
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Solution Overview
Problem
Existing vehicle communication systems face challenges in seamlessly transitioning between signal protocol and service protocol communications, especially when updating control devices, as current Signal-Service Transformation (SST) methods require manual updates and do not efficiently detect changes in control devices within on-board networks.
Innovation Solution
A transformation device and method that utilizes a transformation map to dynamically update data transformation rules, allowing automatic mode changes when detecting updates in control devices, thereby eliminating the need for manual updates between communication protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual update of transformation mode is performed when control device is updated, then transformation accuracy is maintained, but operation complexity and time consumption increase
Solution Approach 1:
The transformation device automatically detects control device updates and self-adjusts transformation modes without manual intervention. The detection unit monitors for updates, and upon detection, the transformation unit automatically switches between first and second transformation modes based on the update status, eliminating the need for manual operation while maintaining transformation accuracy.
2Loss of time
If automatic detection of control device updates is implemented, then operation time is reduced, but risk of erroneous detection increases
Solution Approach 1:
The detection unit is designed to detect control device updates before they affect data transmission, allowing the transformation unit to proactively switch modes in advance. This preliminary detection and preparation prevents errors by ensuring the correct transformation mode is already active when updated data arrives, rather than reacting after erroneous transformation has occurred.
3Reliability
If transformation mode switching is delayed until after update confirmation, then false switching is prevented, but communication efficiency decreases
Solution Approach 1:
The system performs preliminary detection of control device updates and pre-switches transformation modes before actual data transmission occurs. The detection unit identifies updates in advance, and the transformation unit switches modes proactively, so when updated data arrives, the correct transformation mode is already in place, eliminating delays while maintaining reliability.
Data Source
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AI summary
A transformation device installed in a vehicle includes a transformation section, a transmission section, a detection section and a control section. The transformation section transforms data transmitted from a first control device in a first communication protocol to data in a second communication protocol. The transmission section transmits the data transformed by the transformation section to a second control device. The detection section detects an update of one or more of the first control device and the second control device. In a case in which an update of at least one of the first control device or the second control device is detected by the detection section, the control section changes a mode of transformation by the transformation section.