| 摘要 |
<p>An abnormality detection device for detecting the occurrence of an abnormality in a water facility network comprising one or more water distribution areas that each include a piping network and a plurality of pressure meters installed in the piping network, said abnormality detection device having an intersensor water consumption ratio index calculation unit for calculating, on the basis of the pressure measurement values of the plurality of pressure meters, an intersensor water consumption ratio index indicating the ratio between a first difference indicating the difference in the pressure measurement values of a pair of pressure meters from among the plurality of pressure meters and a second difference indicating the difference in the pressure measurement values of another pair of pressure meters and an abnormality determination unit for determining, on the basis of the calculation results of the intersensor water consumption ratio index calculation unit, whether there is an abnormality in a water distribution area in which one of the pressure meters is disposed.</p> |
