May 12, 2016 virtual instrumentation is a part of the electronic and instrumentation engineering. A virtual instrument is composed of some specialized subunits, some generalpurpose computers, some software, and a little knowhow. It looks like a real instrument, but its operation and functionality is essentially different. An architecture and proposal of a solution for virtual instrumentation in scada systems. Virtual instrument, virtual instrument software architecture, inter changeable virtual. May 06, 2015 virtual instrumentation architecture 6 may 2015 5 sensor module sensing or transducer signal conditioning ad conversion processing module sensor interface data base interface medical information system interface user interfacedisplay and control 6. The primary difference between hardware instrumentation and virtual instrumentation is that software is used to replace a large amount of hardware. Livevirtualconstructive architecture roadmap implementationlegacy architectures reference model page 3 2 report development process the purpose of the livevirtualconstructive lvc architecture roadmap lvcar study was to develop a vision and a supporting strategy for achieving significant interoperability. Networking has also been introduced successfully in measurement to interconnect di erent instruments and data processing. The small form factor and normally rugged components that comprise embedded computers have enabled stateoftheart virtual instruments figure 1.
For information on the agilent io libraries, see the agilent io libraries installation and configuration guide. Virtual instrumentation changing the face of design. Based on this architecture, implementation of an rvi system having a digital frequency meter dfm, a function generator and a digital thermometer as the instrument cores is presented. Mar 05, 2019 the rapid adoption of the pc in the last 20 years catalyzed a revolution in instrumentation for test, measurement, and automation. Nivisa is an ni instrument driver that is an implementation of the virtual instrument software architecture visa io standard. In the second section we give a brief history of virtual instrumentation. Virtual measurement systems have been introduced to simplify the design, implementation and use of programmable measurement systems by adopting a visual interface. Virtual instrumentation has been widely adopted in test and measurement areas. Virtual instruments are a means of integration of the display, control and centralization of complex measurement systems. Computerized measurement and control system of the universal testing machine based on virtual instruments article pdf available february 2016 with 1,752 reads how we measure reads. This paper presents detailed architecture of virtual instrumentation and explore the same through implementation of cab test automation, vocoder, ecg and. Pdf the tensile test tt is a practice that is done mainly in mechanical, electromechanical, and civil engineering laboratories. Agilent standard instrument control library users guide for hpux.
Azure architecture azure architecture center microsoft docs. Virtual instrumentation is necessary because it is flexible. View academics in architecture of virtual instrumentation on academia. After that, we present contemporary virtual instrument development tools. The architecture of a virtual instrument is described in the third section. A virtual instrument consists of an industry standard computer or workstation equipped with powerful application software, effective hardware, and driver software. Lab view programs are called virtual instruments vis because their appearance and operation imitate physical. Live virtual constructive architecture roadmap lvcar final report institute for defense analyses amy e.
Understanding the real field of virtual instrumentation is. If youre looking for a free download links of remote instrumentation and virtual laboratories. Virtual instrument software architecture wikipedia. Jan 04, 2012 this study demonstrated that a labviewbased medical virtual instrument provides a lowcost, reliable, and flexible solution for data acquisition and analysis of the pcg and carotid bruit. The architecture of a virtual instrument along with the definition and contemporary development tools are.
On this youtube channel you will see videos related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc. Distributed measurement systems lab view lab view is a graphical programming language that uses icons instead of lines of text. Labviewintroduction laboratory virtual instrument engineering workbench lab view lab view 1. Visa is a standard for configuring, programming, and troubleshooting instrumentation systems comprising gpib, vxi, pxi, serial rs232rs485, ethernetlxi, andor usb interfaces. A virtual instrument can replace the traditional front panel equipped with buttons and display by a virtual front panel on a pc monitor. International journal of advanced research in computer. Openloop motor speed control with labview sorry abstract not available towards an internetbased virtual wire environment with virtual instrumentation. Virtual instrumentation using labview labview training. Pdf computerized measurement and control system of the. Because of their hardcoded function, these systems are more limited in their versatility than virtual instrumentation systems. Remote instrumentation and virtual laboratories service. Instrument drivers are specified by the ivi foundation and define an io abstraction layer using the virtual instrument software architecture visa. Only with virtual instrumentation, engineers and scientists can create the userdefined instruments required to keep up with the worlds demands.
Lab view is an integral part of virtual instrumentation. The architecture of a virtual instrument and contemporary development tools are described in the third section. It delivers instrumentation with the rapid adaptability required for todays concept, product and process design, development and delivery. Traditional hardware instrumentation systems are made up of predefined hardware components, such as digital multimeters and oscilloscopes that are completely specific to their stimulus, analysis, or measurement function.
Virtual instrumentation is an interdisciplinary field that merges sensing, hardware and software technologies in order to create flexible and sophisticated instruments for control and monitoring applications. Virtual instruments beyond the personal computer 1. A virtual instrumentation system is computer software that a user would employ to develop a computerized test and measurement system, for controlling from a computer desktop an external measurement hardware device. The rapid adoption of the pc in the last 20 years catalyzed a revolution in instrumentation for test, measurement, and automation. Margaret loper, gtri robert lutz, jhu apl robert richbourg randy saunders, jhu apl steve swenson, aegis technology inc. Virtual instrumentation has been able to make the leap from pcs to such systems by integrating data acquisition into these powerful embedded devices. Virtual instrumenationintroduction virtual instrumentation is the use of customizable software and modular measurement hardware to create userdefined measurement systems, called virtual instruments. Virtual instrumentation architecture databases graphical user. Pdf virtual instrumentation system architecture applied to remote. A virtual instrument is composed of the following blocks.
Basics of virtual instrumentation virtual instrumentation virtual instrument an equimplent that allows accomplishment of measurements using the computer. Service architecture and networking pdf, epub, docx and torrent then this site is not for you. Remote instrumentation and virtual laboratories focuses on all aspects related to the effective exploitation of remote instrumentation. Smart instrumentation, the industryleading instrumentation solution, facilitates increased productivity and lowered risks on project execution for the epc and a single. Live virtual constructive architecture roadmap lvcar final. Architecture diagrams, reference architectures, example scenarios, and solutions for common workloads on azure. In the fourth section, we describe the organization of distributed virtual instrumentation. Architecture of virtual instrumentation and its exploration through. It has gradually increased addressable applications through continuous innovation and hundreds of measurement hardware devices. The aim of this method is to propose a technique to design virtual instrumentation based on software constituents, which ensures uniform, reliable and extensible access to the tasks of the scada hardware components. Ni labview, the productive software component of the virtual instrumentation architecture, is the graphical development platform for test, design and control applications. Virtual instrumentation is the use of customizable software and modular measurement hardware to create userdefined measurement systems, called virtual instruments.
Academics in architecture of virtual instrumentation. One major development resulting from the ubiquity of the pc is the concept of virtual instrumentation, which offers several benefits to engineers and scientists who require increased productivity, accuracy, and performance. In the fourth section we describe the organization of the distributed virtual instrumentation. This work adopts a previously reported rvi architecture. Download remote instrumentation and virtual laboratories. Application of a blockbased approach in design of a. Lab view is a graphical programming language g that uses icons instead of lines of text to create applications. The software enables complex and expensive hardware to be replaced by. Virtual instrumentation for test, control and design. A secure sitetosite network architecture that spans an azure virtual network and an onpremises network connected using a vpn. Livevirtualconstructive architecture roadmap implementation. Traditional instruments left and software based virtual instruments right largely share the same architectural components, but radically different philosophies. The evolution of virtual instrumentation what is virtual instrumentation. A virtual instrumentation system is computer software that a user would employ to develop a computerized test and measurement system, for controlling from a computer desktop an external measurement hardware device, and for displaying test or measurement data collected by the external device on instrumentlike panels on a computer screen.
The second virtual instrumentation component is the modular io for. The virtual instrument software architecture visa is a standard 7 for configuring, programming, and troubleshooting instrumentation systems comprising gpib. Virtual instrumentation merges sensing technologies with hardware and software technologies to create flexible and sophisticated instruments for various control and monitoring applications. Finally, we present some biomedical applications of virtual instru. Virtual instrumentation combines productive software, modular io, and scalable platforms. Aug 25, 2016 virtual instrumentation is the use of customizable software and modular measurement hardware to create userdefined measurement systems, called virtual instruments. Virtual instrumentation architecture free download as pdf file. We explain the general architecture of a virtual instrument, describe the most frequently used tools and platforms, and present typical examples of biomedical. Usually instrumentation manufacturers provide spe cific functions to given architecture and fixed interfaces for measuring devices, and.
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