Virtual Instrumentation Architecture

Virtual Instrumentation B.Hemakumar

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Virtual instrumentation instrumentation is an interdisciplinary interdisciplinary field that merges

sensin

hardware an and software te technolo ies in order to create









definitions of a virtual instruments…… instruments…… "an instrument whose general function and capabilities are determined in software" “a virtual instrument instrument is composed of some specialized subunits, some general-purpose general-purpose computers, some software, and a little know-how"









basic properties of a virtual virtu al instrument – its ability to change form through software, enabling a user to modify its function at will to suit a wide range of applications.









A Brief History of Virtual Instrumentation Instrumentation

40

• Analog Analog Measur Measuremen ementt Devices Devices

• Data Data Acquis Acquisition ition and and Processi Processing ng devices • Digital Digital Processi Processing ng based based on gener general al









1986 NATIONAL INSTRUMENTS LABVIEW 1.0











graphical user interfaces and visual programming into Computerized instrumentation,





















Virtual Instrument Architecture Architecture













the sensor,











 Wired Interfaces – GPIB,

SCSI, PCI,



























































































Virtual Instrumentation Architecture

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