Development Of Modular Virtual Instrument

Mohd Zaki Hosni, Bakri (2007) Development Of Modular Virtual Instrument. Project Report. UTeM, Melaka. (Submitted)

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Abstract

The project of "Development of Modular Virtual Instrument" contains two parts which is hardware development and software development. This project consist a model that can interface with Lab VIEW to measure current by replace normal ammeter and normal voltmeter. Data acquisition card measure, store, display, and analyze information collected from the hardware and transfer the data to the computer system. Lab VIEW software is used to program and display the output virtually on the computer. In this project, virtual instrument is used to measure the voltage, current and power from the TNB system. In real word the traditional way to analyze the voltage are using the instruments like voltmeter and ammeter to measure current and oscilloscope to see the plot of DC voltage and current reading. But the new way of virtual instrument can be used to analyze the data. For easy understanding, virtual instruments are user defined and are programmable whereas traditional instruments have fixed functionality and are hardware controlled. The data acquisition board DAQ that acquires output signals in terms of voltage. Its serves as the communication bridge between the physical incoming signals and software installed in the personal . Then the Lab VIEW code is written to communicate with the input signals via DAQ. Finally, VI of a dedicated application is developed using Lab VIEW graphical programming language.

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