Development of Real Time Data Acquisition Using PC Printer Port on Virtual Instrument Platform

Kumar, Sunil; Sharma, Sanjay

Please use this identifier to cite or link to this item: http://hdl.handle.net/10266/720

Title:	Development of Real Time Data Acquisition Using PC Printer Port on Virtual Instrument Platform
Authors:	Kumar, Sunil
Supervisor:	Sharma, Sanjay
Keywords:	Lab View, ADC, FPGA
Issue Date:	30-Sep-2008
Abstract:	Thisprojectdescribesanapproachtorealtimedataacquisitionandmethodforresultingdataprocessingunderrealtimeconstraintsinvirtualenvionment.DataacquisitionorDAQisaprocessofmeasuringarealworldsignal,andbringingtheinformationfromtheseintoaPCport.Dataacquisitionisatechniquewhichincorporatesfordigitizingananalogsignalobtainedfromasensorwhichsensestherealworldsignals.Thesignalsuchastemperature,pressure,intensityoranyothersignalwhichthesensorconvertsintoelectricalvoltage. TheanalogsignalisconditionedandfeedintoADC(Analogtodigitalconverter)andtheresultingdigitaldataacquisedinPCwiththehelpofsuitabledataacquisitionsoftware.ThereforeacompleteDAQsystemconsistsofsensor,ADC,aPCanddataacquisitionsoftware. The‘C’programminglanguageisusedtodevelopaprogramtoinitiatePCprinterportforsuchdataacquisitionsoftware,flowchart,developedsoftwareandhowtheDLLiscalledfromonetoanotherprogramminglanguageisgiveninthisproject. WehaveconvertedthisdevelopedtextbaseprogramingraphicalprogramminglanguagesuchasLabVIEW.Forimplementingtextbaseprogramingraphicalprogramminglanguage,wehaveusedMicrosoftVC++tobuiltDLLforthissoftwaretoexportthistextbaselanguageingraphicalmode.AfterwritingDLL, theexterncodeexportsinLabVIEWwithhelpofdllexportandcalllibraryfunctionfortheimplementation.Theimplementedfunctionsforrealtimedataacquisitionhavebeenshowninthisproject.
Description:	M.E. (ECED)
URI:	http://hdl.handle.net/10266/720
Appears in Collections:	Ideas Unlimited @ TIET University Masters Theses@ECED

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