| 摘要 |
<p>This invention allows maintenance factors that impact the operation rate to be visualized. Maintenance factors that cannot be sensed can be visualized by calculating feature quantities such as maximum values and mean values for load capacity, speed, acceleration, and the like from sensor data for the same, specifying operational and environmental factors by executing principal component analysis on the basis of the feature quantities, calculating, from operational performance and the rated operation rate, a rated operation rate achievement level that is corrected for accumulated operating time, and executing a factor analysis on the basis of the operational factors, environmental factors, and rated operation rate achievement level.</p> |
