Moving Object Inspection Using Multi-Target Abnormality Isolation
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Solution Overview
Problem
Conventional inspection systems for moving objects, such as vehicles, cannot accurately determine whether detected abnormalities are due to the object being inspected or the inspection device itself, leading to potential misidentification of the cause of the issue.
Innovation Solution
The method involves instructing a moving object to achieve a predetermined target value, measuring the output, and conducting subsequent inspections on multiple objects to determine if the difference between target and measured values falls within specific ranges, thereby identifying abnormalities in the inspection device or the object itself, and notifying administrators for timely repairs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional inspection systems detect abnormality using a single inspection target, then inspection efficiency is maintained, but the ability to determine whether the abnormality is in the inspection target or the inspection device is lost
Solution Approach 1:
The system performs preliminary inspection on multiple inspection targets before making a final determination. By collecting data from multiple targets first and then analyzing the patterns, the system can distinguish between target-specific abnormalities and inspection device abnormalities, thereby improving reliability without significantly compromising efficiency
Solution Approach 2:
The inspection process is segmented into multiple independent inspection instances, each handling one inspection target. The results from these segmented inspections are then aggregated and analyzed collectively to determine the source of abnormality, allowing the system to maintain high reliability through comprehensive analysis while preserving efficiency through parallel processing capability
2Loss of information
If subsequent inspection on multiple moving objects is conducted, then the cause of abnormality can be accurately determined, but inspection time and productivity are reduced
Solution Approach 1:
The system conducts subsequent inspections continuously on multiple moving objects without interrupting the production flow. By maintaining continuous inspection action across multiple targets, the system gathers sufficient data to identify abnormality causes while minimizing downtime and time loss
Solution Approach 2:
The system implements feedback mechanisms where inspection results from each target are immediately fed back into the analysis system. This continuous feedback loop allows the system to progressively refine its understanding of the abnormality source, enabling accurate identification without requiring excessive inspection time on each individual target
Data Source
AI summary
An inspection method of inspecting a moving object includes: a first step giving an instruction to a moving object as an inspection target to drive the moving object so that an output relating to moving of the moving object becomes a predetermined target value; a second step measuring the output and acquiring a measured value using an inspection device on the moving object; a subsequent inspection step performing the first and second steps on the moving objects different from the moving object as the inspection target when a difference between the target and measured values is not within a predetermined first range; and a third step outputting information indicating an abnormality in the inspection device when the difference between the target and measured values is outside a predetermined second range in all the moving objects among the moving objects as a result of the subsequent inspection step.