Using visa libraries enables communication for many interfaces such as gpib, usb, and ethernet. Virtual instrument software architecture wikipedia. In this video, learn how to install the nivisa driver. What is the abbreviation for virtual instrument software architecture. Visa abbreviation stands for virtual instrument software architecture. This document describes powerful programming tools, flexible acquisition hardware. We explain the general architecture of a virtual instrument, describe the most frequently used tools and platforms, and present typical examples of biomedical. Visa is an acronym for virtual instrument software architecture. Virtual instrument software architecture visa implementation.
Academics in architecture of virtual instrumentation. The types of source data collected and analyzed by instruments may thus vary widely, including both physical parameters such as temperature, pressure, distance, frequency and amplitudes of light and sound, and also electrical parameters including voltage, current, and frequency. Virtual instrumentation architecture free download as pdf file. Basic architecture diagram of virtuailzed environment types of virtualization an quick overview of virtual. Architecture of virtual instrumentation and its exploration through. The syscomp instruments use an ftdi chip to interface to the usb. 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. Visa abbreviation stands for virtual instrument system architecture. Visa stands for virtual instrument software architecture. This paper presents detailed architecture of virtual instrumentation and explore the same through implementation of cab test automation, vocoder, ecg and.
The sensor module detects physical signal and transforms it into electrical form, conditions the signal, and transforms. Learn how to create and customize building structures, such as houses, garages, covered porches, etc. Virtual instrumentation is the use of customizable software and modular measurement hardware to create userdefined measurement systems, called virtual instruments. Visa is a standard for configuring, programming, and troubleshooting instrumentation systems comprising gpib, vxi, pxi, serial rs232rs485, ethernetlxi, andor usb interfaces. Figure 1 shows the general architecture of a virtual instrument. Some times called a communication driver, visa allows for the development of programs to be bus independent. View academics in architecture of virtual instrumentation on academia. The virtual instrument software architecture, visa, is a standard for configuring, programming, and troubleshooting instrumentation systems. The architecture of a virtual instrument along with the definition and contemporary development tools are described in sect. Virtual property architect video tutorial building. In todays physical retail environment, shoppers are using their smartphones more than ever to compare prices or.
Virtual instrumentation merges sensing technologies with hardware and software technologies to create flexible and sophisticated instruments for various control. With virtual instruments, engineers and scientists build measurement and automation systems that suit their needs exactly userdefined instead of being limited by traditional fixedfunction instruments vendordefined. But lets try to understand what it is and why its talked about so much in test and measurement circles. Virtual instrument architecture a virtual instrument is composed of the following blocks. With virtual instrumentation, engineers and scientists reduce development time. Virtual instrumentation is the use of customizable software and modular measurement. Virtual instrumentation architecture databases graphical user.
What is the abbreviation for virtual instrument system architecture. Virtual instrumentation combines mainstream commercial technologies. Nivisa is an ni instrument driver that is an implementation of the virtual instrument software architecture visa io standard. Virtual instrumentation merges sensing technologies with hardware and software technologies to create flexible and sophisticated instruments for various control and monitoring applications. Virtual instruments aiops vastly simplifies it infrastructure performance management, assuring the highest availability for missioncritical applications.
480 778 182 365 1172 985 1562 569 1202 329 28 1006 53 636 1140 1355 1377 729 390 295 254 1564 1357 1222 897 494 707 285 310 957 684 269 304 1149 1560 369 57 635 53 521 852 1446 301 790 446 966