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1.Introduction
altechnologiesandprocesses.Itplaysanimportantroleincontinuousmeasurement
data,allowingforabetterunderstandingandthemonitoringofobjects,providing
afastanddynamicresponse,whichfacilitatesthecontrolofprocessesinrealtime,
detectingfailuresandtheabnormaloperationofasystem.
Fig.1.1.Generalmeasurementmodelfortomographysensors.
Theproposedtomographicsolutionconsistsofasetofsensors(devices)and
softwaretovisualizeandanalysedata[152].Thesystemdesigninvolvestechnolo-
giessuchastheInternetofThings,BigDataandMachineLearning.Thehardware
solutionsenablewirelessdatatransfertoCloudComputingusingtheMQTTproto-
col(MessageQueuingTelemetryTransport).
Fig.1.2.Applicationstructuremodel.
Thesemethodshavebeenusedtocreateaprototypeofthedistributedsys-
tem.Thebasicintentionwastobuildanapplicationthatgathersdatafromdevices,
preservesandanalysethem,andgeneratesvisualizations.Inaddition,theapplica-
tionshouldbeabletomonitorthestatusofthetomographicdevice.Thesolution
wasdescribedbythetermCyber-PhysicalSystems(CPS).Thisisaphysicaland
engineeredsystem,theoperationsofwhicharemonitored,coordinated,controlled
andintegratedbyacomputingandcommunicationcore.CPSbringstogetherthe
discreteandpowerfullogicofcomputinginordertomonitorandcontrolthecon-
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