Electrical Equipment Fault Cause Estimation From State History
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Solution Overview
Problem
Investigating the cause of abnormalities in machine tool electrical equipment is time-consuming and requires experience, as existing systems rely on operator judgment and manual effort to determine the cause of issues.
Innovation Solution
An estimating device and system that store state and cause history information, acquire current state information, detect similar historical states, and notify the cause of abnormalities, facilitating automated investigation and notification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual investigation and operator judgment are used to determine abnormality causes, then experience-based accuracy can be achieved, but time and effort requirements increase significantly
Solution Approach 1:
The system pre-stores state history information and cause history information in association with each other before abnormalities occur. When an abnormality is detected, the system quickly retrieves similar historical states and their corresponding causes, eliminating the need for time-consuming manual investigation while maintaining diagnostic accuracy through pre-analyzed data.
Solution Approach 2:
The system creates copies of historical abnormality states and their causes, storing them in a database for future reference. When a new abnormality occurs, the system compares current state information with stored historical copies to identify similar cases and retrieve their causes, significantly reducing diagnosis time while preserving the accuracy of expert judgment.
2Productivity
If automated systems are introduced to reduce investigation time, then time efficiency improves, but system complexity increases
Solution Approach 1:
The estimation device performs multiple functions using a unified approach: it stores historical data, detects current abnormality states, compares them with historical records, and notifies causes. This multi-functional design achieves high investigation efficiency without requiring separate complex systems for each function, as the same infrastructure serves all purposes.
Solution Approach 2:
The system automatically retrieves and compares state information with historical data, autonomously identifying similar cases and notifying causes without human intervention. This self-service capability achieves high productivity while keeping the system relatively simple, as the automation follows straightforward comparison and retrieval logic rather than complex decision-making processes.
Data Source
AI summary
An estimating device includes a storage unit that stores in association with each other state history information showing, as a history, a state of electrical equipment in which an abnormality has occurred, and cause history information showing, as a history, a cause of the abnormality, an acquisition unit that acquires state information indicating the state of the electrical equipment in which the abnormality has occurred, a detection unit that detects, from among a plurality of the state history information stored in the storage unit, at least one of the state history information that is similar to the state information acquired by the acquisition unit, and a notification unit that issues a notification concerning the cause of the abnormality, on the basis of the cause history information that is associated with the state history information detected by the detection unit.