Matched Vehicle Component Testing for Fault Comparison
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Solution Overview
Problem
Current methods for testing electronic vehicle components lack an efficient and accurate way to identify malfunctions in matched components, such as those in an internal combustion engine or electrical systems, leading to potential delays in maintenance and service.
Innovation Solution
A computing system that measures signals or conditions of matched vehicle components at different times and compares these measurements to determine if the difference exceeds a threshold, indicating malfunction, and outputs a notification accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional methods are used to test electronic vehicle components, then the testing process is simple, but the accuracy of identifying malfunctions in matched components is insufficient
Solution Approach 1:
The testing system segments the vehicle components into matched pairs (first vehicle component and second vehicle component) and tests them separately by isolating each component's electrical signal. This allows for precise comparison of individual component characteristics while maintaining system manageability through structured segmentation of the testing process.
2Loss of time
If matched components are tested separately without comparison, then the testing process is straightforward, but the time required for maintenance decisions is increased
Solution Approach 1:
The system implements automated feedback by comparing the electrical signal characteristics of matched components and automatically determining malfunction status when differences exceed a threshold. This feedback mechanism provides immediate diagnostic information, reducing maintenance decision time without requiring complex manual analysis procedures.
3Reliability
If measurements are taken at different time points without constraints, then the measurement flexibility is high, but the reliability of comparison results is reduced
Solution Approach 1:
The system dynamically adjusts the measurement timing constraint based on the operational context, allowing measurements to be taken at different time points as long as they fall within a predetermined time threshold. This dynamic approach maintains comparison reliability by ensuring temporal proximity while preserving operational flexibility for various testing scenarios.
Data Source
AI summary
A method comprises determining first and second measurements at different times. The first measurement includes a measurement of a signal output by a first vehicle component and the second measurement includes a measurement of a signal output by a second vehicle component, or the first measurement includes a measurement of a condition of the first vehicle component and the second measurement includes a measurement of a condition of the second vehicle component. A determination is made based at least in part on a difference between the first and second measurements exceeding a measurement threshold. The determination indicates that the first and/or second vehicle components is malfunctioning. The method includes outputting a notification indicating that the first and/or second vehicle components, which are matched with each other based on a common characteristic with respect to the vehicle, is malfunctioning. The first and second times are within a threshold amount of time.