Vehicle Display Signal Path Rerouting for Anomaly Handling
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Solution Overview
Problem
Existing vehicle display systems face complexity in signal path management when anomalies occur, leading to disruptions in image display, as they often require pre-anticipating and complicating signal paths for potential device failures.
Innovation Solution
A display system for vehicles that includes an application server with a switched outputter, image generators, display clients, and a signal path determiner that dynamically changes signal paths from a first path to a second path when anomalies are detected in image generators or display clients, ensuring continuous image display through a fault-free path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the display system uses a fixed signal path configuration, then the system structure is simple, but the reliability deteriorates when anomalies occur in image generators or display clients
Solution Approach 1:
The signal path configuration is made dynamic rather than fixed. The signal path determiner continuously monitors the status of image generators and display clients, and automatically switches between different signal paths (first signal path, second signal path, third signal path) based on real-time anomaly detection. This dynamic adaptation ensures display continuity while maintaining manageable system complexity through automated control.
Solution Approach 2:
The signal path determiner acts as an intermediary component that manages the complexity of signal path selection. It receives status information from multiple image generators and display clients, determines the optimal signal path, and controls the switching accordingly. This intermediary abstracts the complex path management logic, isolating it from other system components and simplifying overall system architecture.
2Reliability
If the system pre-configures multiple signal paths for anomaly handling, then the reliability improves, but the device complexity increases
Solution Approach 1:
The system pre-configures multiple signal paths (first, second, and third signal paths) with different routing options through image generators and display clients. These paths are prepared in advance with predetermined anomaly detection capabilities, allowing the signal path determiner to quickly switch to a working path when anomalies occur without requiring complex real-time analysis.
Solution Approach 2:
The signal transmission system is segmented into multiple independent paths, each with distinct image generators and display clients. This segmentation allows the system to isolate anomalies to specific segments and route signals through alternative segments, providing fault tolerance while keeping each segment's complexity manageable.
3Loss of time
If the system automatically switches signal paths when anomalies occur, then the downtime is reduced, but the control complexity increases
Solution Approach 1:
The signal path determination and switching process is automated through the signal path determiner, which autonomously monitors anomaly status and executes path switching without requiring manual intervention. The system performs self-diagnosis and self-reconfiguration, reducing downtime during failures while managing control complexity through centralized automated control logic.
Solution Approach 2:
The signal path determiner continuously receives feedback information about the operational status of image generators and display clients. Based on this real-time feedback, the determiner automatically adjusts the signal path configuration and executes switching operations. This feedback mechanism enables rapid response to anomalies while keeping the control system organized and manageable through structured information flow.
Data Source
AI summary
A display system for a vehicle includes: an application server including a switched outputter that switches between destinations to one of which the vehicle signal is to be outputted, and outputs the vehicle signal, and image generators that generate an image signal based on the vehicle signal; display clients that display an image based on the image signal; and a signal path determiner that determines a first signal path for transmission of the vehicle signal and the image signal among signal paths connecting the switched outputter, the image generators, and the display clients. When an anomaly occurs in at least one element among the image generators and the display clients, the signal path determiner changes a signal path for transmission of the vehicle signal and the image signal from the first signal path to a second signal path.