Inspection management system and inspection management method
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Solution Overview
Problem
Existing inspection management systems for air-conditioning and refrigeration facilities are inefficient in determining the order of priority for maintenance tasks due to variations in machine installation and operation, and they do not effectively utilize worker-perceived deterioration information from past inspections to shorten maintenance hours and reduce the number of visits.
Innovation Solution
A system that stores and analyzes the degree of deterioration of each facility part based on past inspections, using a determiner to schedule inspections and set priorities, and a controller to display this information for improved management efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If inspection management is performed using predetermined common rules and sensor data, then failure prediction can be made, but the accuracy of failure prediction varies depending on installation location and operation conditions
Solution Approach 1:
The system collects actual inspection results from workers and feeds them back into the deterioration degree determination. This feedback loop allows the system to learn from real-world observations and adjust predictions accordingly, improving accuracy across different installation and operation conditions.
Solution Approach 2:
The system performs preliminary deterioration degree determination based on worker inspection results before actual failures occur. By establishing baseline deterioration data in advance, the system can make more accurate failure predictions that account for specific installation and operation conditions.
2Productivity
If traditional inspection scheduling is used without historical deterioration data, then inspection plans can be created, but maintenance hours and number of visits cannot be reduced
Solution Approach 1:
The system determines deterioration degrees in advance based on historical inspection data and worker observations. This preliminary assessment allows for optimized inspection scheduling that targets only necessary facilities and parts, reducing both maintenance hours and number of visits while improving overall efficiency.
Solution Approach 2:
The system changes the parameter basis for inspection scheduling from fixed time intervals to dynamic deterioration degrees. By using deterioration degree as the scheduling parameter, the system can prioritize facilities needing attention and reduce unnecessary inspections, thereby reducing maintenance time and visits.
Data Source
AI summary
A system includes: a storage that stores a degree of deterioration determined from information that, for each part of each of air-conditioning facilities and/or refrigeration facilities during past inspections, an inspection worker perceived from the part; a first determiner that corrects and determines, on the basis of a history of degrees of deterioration of each part of the air-conditioning facilities and/or the refrigeration facilities during the past inspections, at least either scheduled dates of inspection of the air-conditioning facilities and/or the refrigeration facilities, or a priority of inspection work that is performed on each part of an air-conditioning facility and/or a cooling facility to be inspected; and a controller that causes an indicator to display at least either information indicating the scheduled dates of inspection or information indicating the priority of inspection work as determined by the first determiner.