Camera-Based Vehicle Test Control for Display State Recognition
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional vehicle testing systems require significant user effort and time to verify the states of test bodies, especially when performing tests that need uniform conditions, and face challenges in accessing Electronic Control Units (ECUs) due to security measures, leading to potential inaccuracies and safety issues during automated testing.
Innovation Solution
A vehicle testing system equipped with a camera that acquires images of the test body's state display portion and a control device that recognizes these states using pre-stored image data, allowing for automated control of tests based on recognized conditions, including battery charge and power supply status, thereby reducing user burden and improving accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a human user manually verifies the states of test bodies by directly confirming display panels, then the accuracy of vehicle test can be maintained, but the time and effort required for testing increases significantly
Solution Approach 1:
The patent uses a camera to capture images of the display panel, creating a visual copy of the information displayed. This copy is then processed by image recognition software to extract state information, replacing the need for manual visual verification by human users while maintaining measurement accuracy and significantly reducing testing time
Solution Approach 2:
The patent replaces the mechanical/physical process of manual visual inspection with an automated optical and computational system. The camera captures images and the recognition portion processes them computationally, substituting human visual perception and manual operation with automated technological systems to eliminate time-consuming manual verification
2Loss of information
If ECU data is accessed to obtain test body states, then comprehensive information can be acquired, but complicated operations and security restrictions prevent access
Solution Approach 1:
The patent introduces an intermediary approach by using the display panel as a medium to access ECU data. Instead of directly accessing the protected ECU, the system captures what the ECU data is already presenting to the user through the display, using the display panel as an intermediary interface that provides access without requiring direct ECU communication
Solution Approach 2:
The system creates a copy of the information displayed on the panel through image capture. This copy contains the state information that would otherwise require direct ECU access to obtain, allowing the system to acquire comprehensive state data through a simpler, non-intrusive method that bypasses security restrictions
3Productivity
If automated driving is used for testing, then productivity increases, but the ability to detect abnormalities decreases
Solution Approach 1:
The patent implements a feedback mechanism where the image recognition system continuously monitors the display panel during automated testing and provides real-time information about test body states. This feedback loop allows the automated system to detect abnormalities by recognizing changes in displayed information, maintaining reliability while preserving productivity benefits
Solution Approach 2:
The system enables the automated testing process to self-monitor its own execution state by having the recognition portion detect abnormalities in the display information. The automated system serves itself by incorporating self-diagnostic capabilities through image recognition, allowing it to maintain both high productivity and reliable abnormality detection without requiring human intervention
Data Source
AI summary
The present invention makes it possible to reduce the burden on a user in vehicle testing while maintaining precision of vehicle testing, and is a vehicle testing system for testing, on a test bench, a vehicle or a test piece that is a portion of a vehicle, the vehicle testing system being provided with a camera for capturing an image of a portion of a test piece, and a control device for controlling vehicle testing on the basis of the image captured by the camera.