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- W4313396714 abstract "Digitization provides many opportunities and benefits for the district heating sector to increase equipment up-time, availability, increase in the lifetime, and overall effectiveness. Additionally, digitalization promises a reduction in overall maintenance costs and premature asset replacement. However, for this to be possible, the first step must be ensuring that the data meets a sufficient quality. For this reason, we employ a set of data validation methods to data from a real district heating system. The methods are a frozen test, ranged test, Shewhart chart, spike test, sliding window, and principal component analysis coupled with Hotelling's T2 and Q statistic. For validation of the methods, we investigate the detection rate of four known anomalies. We also show that combining different methods can reduce false positive detections. Lastly, we demonstrate a method to identify poorly performing sensors based on the combined detections of the uni-variate data validation methods." @default.
- W4313396714 created "2023-01-06" @default.
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- W4313396714 date "2022-11-16" @default.
- W4313396714 modified "2023-10-16" @default.
- W4313396714 title "Data Validation for Digitally Enabled Operation & Maintenance of District Heating Systems" @default.
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- W4313396714 doi "https://doi.org/10.1109/iceccme55909.2022.9988721" @default.
- W4313396714 hasPublicationYear "2022" @default.
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