Wire Harness Continuity Inspection via Region-Based Segmentation
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Solution Overview
Problem
The existing methods for creating region-based connector/wiring information for wire harness continuity inspection are time-consuming and have a trade-off relationship with accuracy, as the number of patterns increases, requiring a balance between time and accuracy in the success/failure determination step.
Innovation Solution
A wire harness continuity inspection method that involves referencing vehicle specifications, creating region-based connector/wiring information for specific partitioned areas, and inspecting for errors in wire connections, optimizing the number of patterns to balance time and accuracy in the determination process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the number of patterns in region-based connector/wiring information is increased to improve inspection accuracy, then the accuracy of success/failure determination is improved, but the time required for the determination step increases
Solution Approach 1:
The patent segments the wire harness inspection process by dividing the vehicle space into multiple partitioned areas and creating region-based connector/wiring information for each area separately. This allows the inspection to focus on specific regions with relevant wire harness patterns, rather than processing all possible patterns across the entire vehicle, thereby improving accuracy for critical areas while reducing overall processing time.
Solution Approach 2:
The patent applies local quality by creating different levels of detail in region-based connector/wiring information for different partitioned areas. High-priority areas with critical wire harness connections are inspected with more patterns and higher accuracy, while lower-priority areas use fewer patterns, optimizing the balance between inspection accuracy and time consumption across different vehicle regions.
2Reliability
If region-based connector/wiring information is created for all possible wire harness patterns, then complete inspection coverage is achieved, but the complexity and time consumption of the inspection process increases
Solution Approach 1:
The inspection system is segmented into multiple independent region-based connector/wiring information sets, each corresponding to a specific partitioned area and wire harness pattern combination. This segmentation allows the system to process and validate each region separately, achieving comprehensive coverage without requiring a single monolithic complex inspection process.
Solution Approach 2:
The patent performs preliminary actions by pre-creating region-based connector/wiring information for multiple partitioned areas and identifying candidate wire harnesses before the actual continuity inspection. This preparation work organizes and structures the inspection data in advance, reducing the complexity of the actual inspection execution while ensuring complete coverage of all possible wire harness patterns.
Data Source
AI summary
It is possible to optimize the time required for a success/failure determination step and the accuracy of the success/failure determination step by determining region-based connector/wiring information to be created and increasing or decreasing the number of patterns of the region-based connector/wiring information. When a wire harness is arranged in each partitioned area of a vehicle space, specifications satisfied by the vehicle are referenced, region-based connector/wiring information described for a wire harness arranged in each partitioned area realizing a predetermined specification is created, and the presence/absence of errors in connections of electric wires is inspected for the created region-based connector/wiring information.