Board Production Trace Comparison for Trigger Event Analysis
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Solution Overview
Problem
The existing method for collecting component mounting information is cumbersome due to the large volume of logging data, making it difficult to acquire and compare relevant information when a trigger event occurs during the component mounting process.
Innovation Solution
A trace assistance device and method that records and stores manipulation and operation logs, allowing for the acquisition and output of target and comparison histories related to a trigger event, enabling efficient comparison and analysis of board production line operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If comprehensive logging information is collected during component mounting, then complete operational data is obtained for analysis, but the amount of stored information increases making it difficult to acquire and compare relevant data when trigger events occur
Solution Approach 1:
The patent segments the large volume of logging information into structured categories including manipulation logs (operator actions), operation logs (machine responses), trigger event logs (error conditions), and reference logs (normal operation patterns). This segmentation enables targeted retrieval of specific log types when trigger events occur, rather than searching through all collected data, thus resolving the contradiction between data completeness and retrieval efficiency
Solution Approach 2:
The system performs preliminary organization and classification of logging information during normal operation, storing data in pre-structured formats with metadata tags and associations between manipulation and operation logs. When trigger events occur, this preliminary organization allows immediate access to relevant comparative data without time-consuming processing, balancing comprehensive data collection with rapid analysis
2Loss of information
If detailed manipulation and operation logs are stored for all board production activities, then complete traceability is achieved, but the complexity of data management and comparison increases
Solution Approach 1:
The patent merges manipulation logs (operator inputs) with corresponding operation logs (machine responses) into integrated trace records that show cause-and-effect relationships. By combining these log types with shared identifiers and temporal associations, the system achieves complete traceability while reducing management complexity through unified data structures rather than separate independent logs
Solution Approach 2:
The system introduces reference logs as intermediary data structures that capture normal operation patterns and serve as comparison benchmarks. These reference logs mediate between raw operational data and analysis requirements, providing a structured framework that simplifies the comparison process while maintaining complete traceability of deviations from normal operations
Data Source
AI summary
A trace assistance device includes a memory section, an acquisition section, and an output section. The memory section stores a manipulation log and an operation log. When a predetermined trigger event occurs during the board work, the acquisition section acquires at least one target manipulation history related to the trigger event, a target operation history associated with the target manipulation history, a comparison manipulation history that is the same as or similar to the target manipulation history, and a comparison operation history associated with the comparison manipulation history from the manipulation log and the operation log stored in the memory device. The output section is configured to output an operation of the board production line recorded in the target operation history and an operation of the board production line recorded in the comparison operation history, which are acquired by the acquisition section, in a comparable manner.