The virtual instrumentation concept has been applied to ac and dc type electric drives. Technical university of lodz laboratory experiment no 7. The virtual instruments combine nonexclusive operation hardware with powerful software, obtaining a scalable architecture instrument, as a result, with the. Visual designer is used for a dc motor and labview is used for a threephase, delta connected induction motor. The architecture of a virtual instrument and contemporary development tools are described in the third section. This document explains the concept of virtual instrumentation and. The program code block diagram of th e virtual reciprocal counter is shown on figure 8. Virtual instrumentation merges sensing technologies with hardware and software technologies to create flexible and sophisticated instruments for various control and monitoring applications.
Iconconnector means of connecting a vi to other vis. Virtual instrumenationintroduction virtual instrumentation is the use of customizable software and modular measurement hardware to create userdefined measurement systems, called virtual instruments. In the second section we give a brief history of virtual instrumentation. The front panel and block diagram are two basic programming modes of virtual instrument in labview. Development and implementation of virtual instrumentation for the. Virtual instrumentation using labview labview training labview. Except for the specialized components and circuitry found in traditional instruments, the general architecture of. It containsterminals, nodes, wires wires connect each of the nodes on the block diagram, including control and indicator terminals, functions and structures. Traditional instruments and softwarebased virtual instruments largely share the same architectural components, but radically different philosophies as shown in. Browse block diagram templates and examples you can make with smartdraw. S bharadwaj reddy december 15, 2018 november 6, 2019. In the fourth section we describe the organization of the distributed virtual instrumentation. Virtual instrumentationarchitecture 6 may 2015 5 sensor module. The rapid adoption of the pc in the last 20 years catalyzed a revolution in instrumentation for test, measurement, and automation.
Block diagram every control or indicator on the front panel has a corresponding terminal on the block diagram. Block diagram of the virtual instrument download scientific diagram. Starting from first manualcontrolled vendordefined electrical instruments, the instrumentation field has made a. This paper presents functional model, organization, a programming architecture and an implementation of virtual instruments as an essential part of. Virtual instruments beyond the personal computer 1. Virtual instrumentation is the use of customizable software and modular measurement hardware to create userdefined measurement systems, called virtual. Historical perspective and traditional benchtop instruments general functional description of a digital instrument block diagram of a virtual instrument physical quantities and analog interfaces hardware and software user interfaces advantages of virtual instruments over conventional instruments architecture of a virtual instrument and. They required manual settings, presenting re sults on. Starting from first manual controlled vendordefined electrical instruments, the instrumentation field has made a. Kb8180 keyboard block diagram behavior tech computer.