9762 papers found
In the present paper, prototype architecture for a distributed system for online power quality parameters monitoring is illustrated. An interconnection between two different server types was performed.
Technical universities have some other involvements additionally to the task to teach students and to generate competent engineers, who shall be able work in the wide area. Universities have great specialists capability and know-how to carry out research work and this allows to solve various applied science task for the industrial infrastructure. Above two tasks have in some moments contrary application, especially to give the widely accepted assurance of the testing result, including measurements, is under suspicion. Now-a-days assurance of testing is mainly in the form of the accreditation...
The paper describes the architecture of a remote laboratory aimed at training the students of electronic instrumentation graduated courses. The remote laboratory, including a number of measurement stations, each tailored for solving specific tasks, is used as a training environment to develop and test a set of measurement experiments via WLAN and TCP/IP protocol. Once access to a specific measurement station has been granted, it is possible to send commands and receive data from the instruments in order to execute the measurement procedures as if they were performed on a local computer. The...
We present a system for teaching different serial communication protocols used in instrumentation laboratory. The system is implemented using XESS prototyping boards (XSBoards) each one equipped with either a Xilinx FPGA or CPLD and an 8031 microcontroller (µC) and several intelligent sensor types. The system was used for implementing and testing the I 2 C, SPI, 1-Wire and other company specific protocols. The communication protocols were tested by implementing measuring systems where a sensor or a network of sensors is configured and controlled by a microcontroller.
Expressing accuracy of measurement by means of uncertainties becomes step by step common practice both in research and industry. It is therefore highly desirable that university graduates in electrical engineering know how to use uncertainties. That is why we started teaching practical use of uncertainties in basic measurement methods in our basic course in Electrical Measurement and Instrumentation, an obligatory course for all students of Faculty of Electrical Engineering of the Czech Technical University in Prague in the 3 rd semester. The used approach completed with some examples of...
In the paper the authors propose an original solution to perform the remote control of measurement instrumentation, with the aim of realizing the experimental section of an E-Learning portal of Electrical and Electronic Measurement courses, based on Web Services implemented in Visual Basic.Net. The .Net technology proves to overcome drawbacks typically affecting most of the techniques for remote instrument control till now adopted, allowing, at the same time, the integration among different softwares and communication protocols and the connection to measurement stations only by means of a...
The paper presents a virtual instrument for measuring the insertion loss, signal-to-noise ratio, carrier-to-noise ratio and frequency response. Since most of the spectrum analyzers are equipped with a GPIB or RS-232 interface, here demonstrate that LabVIEW graphical environment represents the proper tool to develop such applications. Sometimes, instrument producers provide specific software, but using LabVIEW some additional costs can be eliminated by user developed software.
The new implementation tendencies of multimedia techniques in all areas that involve the communication and data transfer as and the interface man-engine found applications in instrumentations area also. The orientation of techniques, methods and measurement devices toward digital equipments does the multimedia methods utilisation to be easy and allows a facile and efficacious using of equipments along with the appearance of virtual instruments with specialised functions.
An important parameter in sportive training it’s represented by the speed of reaction of sportsmen on the competitions. This paper presents a digital system meant for sportive probation in order to obtain some superior performance.
The paper presents a virtual instrument completely based on LabVIEW for remote monitoring of electromagnetic field across the local area network or Internet environment. As our primary intention was to implement a virtual instrument able to measure and display directly the E-field strength values, the access to the instrument is simply performed via the LabVIEW built-in web server.