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Data validation and reconciliation

Industrial process data validation and reconciliation, or more briefly, process data reconciliation (PDR), is a technology that uses process information and mathematical methods in order to automatically ensure data validation and reconciliation by correcting measurements in industrial processes. The use of PDR allows for extracting accurate and reliable…

Measurement, History, Applications & Technology

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Overview

Models, data and measurement errors

History

Data reconciliation

Data validation

Advanced process data reconciliation

Applications

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Map overview Semantic statistics

Data validation and reconciliation

Nodes51
Edges50
Triples11
Avg. degree1.96
Density0.039216
Components1

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Important terminology

measurements data redundancy reconciliation displaystyle variables errors process system gross measurement unmeasured error values measured example one constraints set pdr

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
leaksinstance ofdata reconciliation assumes these errors are normally distributed.Other sources of errors when calculating plant balances include process faults0.80text
unmodeled heat lossesinstance ofdata reconciliation assumes these errors are normally distributed.Other sources of errors when calculating plant balances include process faults0.80text
incorrect physical properties or other physical parameters used in equationsinstance ofdata reconciliation assumes these errors are normally distributed.Other sources of errors when calculating plant balances include process faults0.80text
and incorrect structure such as unmodeled bypass linesinstance ofdata reconciliation assumes these errors are normally distributed.Other sources of errors when calculating plant balances include process faults0.80text
holdup changesinstance ofOther errors include unmodeled plant dynamics0.80text
and other instabilities in plant operations that violate steady stateinstance ofOther errors include unmodeled plant dynamics0.80text
algebraic equationsinstance offor these cases with set constraints0.80text
inequalitiesinstance offor these cases with set constraints0.80text
energy balances to the modelinstance ofWhen adding thermodynamic constraints0.80text
its scopeinstance ofWhen adding thermodynamic constraints0.80text
the level of redundancy increasesinstance ofWhen adding thermodynamic constraints0.80text

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