Process device with sampling skew error correction

An industrial process device (130) for monitoring or controlling an industrial process includes a first input configured to receive a first plurality of samples related to a first process variable PV1 and a second input configured to receive a second plurality of samples related to a second process...

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Bibliographic Details
Main Author SCHULTE JOHN P
Format Patent
LanguageChinese
English
Published 29.02.2012
Subjects
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
TESTING
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Summary:An industrial process device (130) for monitoring or controlling an industrial process includes a first input configured to receive a first plurality of samples related to a first process variable PV1 and a second input configured to receive a second plurality of samples related to a second process variable PV2. Compensation circuitry (150A, B) is configured to compensate for a time difference between the first plurality of samples and the second plurality of samples and provide a compensated output related to at least one of the first and second process variables. The compensated output can comprise, or can be used to calculate a third process variable. The third process variable can be used to monitor or control the industrial process.
Bibliography:Application Number: CN2010814269