| 摘要 |
Provided are a method, a device and a computer program for detecting the occurrence of abnormality, wherein even when fluctuations occur in an external environment, it is possible to eliminate arbitrariness and objectively determine whether or not fluctuations in the physical quantity of an object to be detected are abnormal. A plurality of primary measurement values are acquired from an object to be measured, and reference values corresponding to the acquired plurality of primary measurement values are calculated for the respective primary measurement values by optimum learning. On the basis of the acquired plurality of primary measurement values and the plurality of reference values corresponding thereto, a plurality of secondary measurement values obtained by subtracting, from the plurality of primary measurement values, the reference values corresponding thereto are calculated, respectively. A relation matrix indicating a mutual relation between the calculated plurality of secondary measurement values is calculated, and with respect to each of the secondary measurement values, a predicted value calculated on the basis of the calculated relation matrix and the other secondary measurement values and the secondary measurement value are compared to calculate an abnormality degree indicating the degree of abnormality of the object to be measured. |
