Matched Vehicle Component Testing for Fault Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for testing vehicle components, particularly electronic components, are inadequate in efficiently identifying malfunctions, especially when components perform similar functions for different vehicle portions, and often fail to detect issues outside standard threshold breaches.
Innovation Solution
A computing system and method that compares measurements of matched vehicle components over a short time frame to identify deviations from a threshold, indicating potential malfunctions, using a processor to determine differences in signals or conditions and output notifications when thresholds are exceeded.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional threshold-based testing methods are used for vehicle components, then the testing process is simple and quick, but the diagnostic accuracy is insufficient and malfunctions outside standard thresholds cannot be detected
Solution Approach 1:
The testing system segments the diagnostic process by comparing matched components independently. Each component's signal is evaluated against its matched pair, allowing granular detection of malfunctions in specific components rather than treating the system as a whole, thereby improving diagnostic precision without proportionally increasing overall system complexity.
Solution Approach 2:
The system implements feedback by continuously monitoring signals from matched components and comparing them in real-time. When a deviation is detected, the system provides diagnostic feedback identifying the specific malfunctioning component, enabling precise diagnostics while maintaining an automated testing framework that manages complexity through systematic comparison protocols.
2Productivity
If matched components are tested simultaneously over a short time frame, then the detection efficiency is improved and time-consuming individual tests are reduced, but the system complexity increases due to coordination requirements
Solution Approach 1:
The system merges the testing of matched components into a single coordinated operation. By combining the measurement and comparison of multiple components simultaneously, the system achieves efficient batch testing that reduces total test time while managing coordination complexity through predefined matching relationships between components.
Solution Approach 2:
The system performs preliminary action by pre-establishing matched component pairs based on their functional relationships in the vehicle system. This preliminary grouping allows simultaneous testing to proceed efficiently without complex real-time coordination, as the comparison framework is already structured according to the vehicle's component architecture.
3Reliability
If individual vehicle components are tested separately, then the testing procedure is straightforward and easy to implement, but the ability to detect malfunctions in components with similar functions is reduced
Solution Approach 1:
The testing system applies universality by using a standardized comparison approach that works across different types of matched components. The same diagnostic methodology is applied universally to any pair of matched components, maintaining procedural simplicity while improving reliability through systematic comparison that detects malfunctions in components with similar functions.
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.