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Remote Experiments in Control Engineering Education Laboratory  [cached]
Milica B Naumovi?,Dragan ?ivanovi?
International Journal of Online Engineering (iJOE) , 2008, DOI: 10.3991/ijoe.v4i2.447
Abstract: This paper presents Automatic Control Engineering Laboratory (ACEL) - WebLab, an under-developed, internet-based remote laboratory for control engineering education at the Faculty of Electronic Engineering in Ni . Up to now, the remote laboratory integrates two physical systems (velocity servo system and magnetic levitation system) and enables some levels of measurement and control. To perform experiments in ACEL-WebLab, the "LabVIEW Run Time Engine"and a standard web browser are needed.
REXIB: Remote Experiments Interface Builder  [cached]
Jorge R. Alves,Gustavo R. Alves,Paulo A. Ferreira,Jose M. Ferreira
International Journal of Online Engineering (iJOE) , 2006,
Abstract: Remote Experimentation is an educational resource that allows teachers to strengthen the practical contents of science & engineering courses. However, building up the interfaces to remote experiments is not a trivial task. Although teachers normally master the practical contents addressed by a particular remote experiment they usually lack the programming skills required to quickly build up the corresponding web interface. This paper describes the automatic generation of experiment interfaces through a web-accessible Java application. The application displays a list of existent modules and once the requested modules have been selected, it generates the code that enables the browser to display the experiment interface. The tools ¢ € main advantage is enabling non-tech teachers to create their own remote experiments.
Remote Control of Experiments via Matlab  [cached]
Katarina Zakova,Michal Sedlak
International Journal of Online Engineering (iJOE) , 2006,
Abstract: The paper demonstrates two possibilities of remote control of real experiments using Matlab software environment. We introduced basic approaches to Matlab remote access using Matlab Web Server, COM and Virtual Reality Toolbox. The proposed concepts were used and tested for control of magnetic levitation system. The gained experience was also discussed in the paper.
On Remote and Virtual Experiments in eLearning  [cached]
Sabina Jeschke,Harald Scheel,Thomas Richter,Christian Thomsen
Journal of Software , 2007, DOI: 10.4304/jsw.2.6.76-85
Abstract: The science of physics is based on theories and models as well as experiments: the former structure relations and simplify reality to a degree such that predictions on physical phenomena can be derived by means of mathematics. The latter allow verification or falsification of these predictions. Computer sciences allow a new access to this relationship, especially well-suited for education: New Technologies provide simulations for the model, virtual instruments for running and evaluating real experiments and mathematical toolkits to solve equations derived from the theory analytically and to compare the outcome of all three methods. We will demonstrate this approach on several examples: Ferromagnetism, thermodynamics and the Harmonic Oszillator. We furthermore give a brief example on an online-tutoring system that makes our setup attractive for self-study outside the university campus.
Remote Access of Computer Controlled Experiments  [cached]
Kristian Nilsson,Johan Zackrisson,Mats Pettersson
International Journal of Online Engineering (iJOE) , 2008, DOI: 10.3991/ijoe.v4i4.704
Abstract: —in this paper, we present a way for students to access and operate laboratory equipment, controlled by a laboratory computer via a remote access program. In this way, the solution is not dependent on the specific laboratory equipment, as long as the equipment can be remotely controlled. The system can easily be altered to be used in another laboratory setup. Students are able to make reservations of experiment sessions through a web interface, which is administrated by the system administrator. The solution proposed in this paper is one way to speed up the development of remote accessible laboratories. Most of the proposed solution is based on open source software and the hardware is built on ordinary consumer parts, which makes the proposed remote laboratory architecture cost effective.
Remote Experiments in Moisil e-Lab
Mihaela Garabet,Cristina Miron,Ion Neacsu
International Journal of Computer Science Research and Application , 2012,
Abstract: Today we are living in a digital world: every student use to stay many hours a day in front of the computer’s monitor, linked on the internet. All the science teachers around the world are trying to do their best in what concerned the experiments approaching. The main goal is to develop some simple and safe experiments in order to access them from anywhere at any time. A new challenge appears in the Romanian educational landscape: remote labs for high schools. We have developed some remote experiments in the Physics lab of the Grigore Moisil National College from Bucharest like: the distance dependence of the light intensity of a source, the distance dependence of the sound level of a sound source, the I-V characteristics of a photovoltaic cell, the time dependence of the coordinate of a car etc. Remote experimentation laboratories are systems based on real equipment, allowing students to perform practical work through a computer connected to the internet.
Remote Communication Engineering Experiments Through Internet  [cached]
Sanjib Das,L. N. Sharma,A. K. Gogoi
International Journal of Online Engineering (iJOE) , 2006,
Abstract: In technical education, laboratory components comprise an essential and integral part without which engineering education remains incomplete. Experiments conducted on laboratory equipments lend a practical touch to the theoretical knowledge acquired by the students. However, setting up a specialized laboratory consisting of sophisticated and expensive equipments such as Digital Storage Oscilloscope, Signal Generator, Spectrum Analyzer and Network Analyzer is an expensive and unaffordable proposition for many universities and engineering colleges. Sophisticated technologies incorporated in recent models of such high-end equipments enable remote access through Internet to the instruments. This concept of accessing these expensive instruments over the Internet can be exploited by setting up a Remote Laboratory. This remote laboratory system aims at not only providing an opportunity to students from distant places to conduct hardware experiments but also to take the corresponding measurements. In this work, real-time hardware experiments have been designed and implemented. These are based on modulation techniques widely employed in Communication Engineering. An interactive Graphical User Interface (GUI) environment has also been developed using Microsoft Visual Basic. This GUI is provided at the user end to facilitate the remote control and access of various instruments and experiment setups. It has been specifically designed and optimized for a low-bandwidth remote access link. The above mentioned system, as a whole, uses real-time capture of images and data from the instruments to perform experiment-related measurements.
A Remote Lab Experiments Improved Model  [cached]
Chadi Fouad Riman,Ali El Hajj,Imad Mougharbel
International Journal of Online Engineering (iJOE) , 2011, DOI: 10.3991/ijoe.v7i1.1460
Abstract: Remote Laboratory Experimentation (RLE) is a technique used in modern engineering laboratories to help academic researchers and students perform laboratory experiments remotely through the internet. Due to the lack of well specified requirements for RLE, many RLE implementation models exist with different characteristics, using different technologies, and without a consistent set of services. In this work, the services provided by some recent RLE implementations models are identified, these services are analyzed, and specifications of a general improved model are concluded.
A Non-uniformity Measurement Method or Resistor Arrays
电阻阵列非均匀性测试方法研究

Yang Chun-wei,Wang Shi-cheng,Su De-lun,Liao Shou-yi,Zhang Jin-sheng,
杨春伟
,王仕成,苏德伦,廖守亿,张金生

红外 , 2011,
Abstract: A non-uniformity correction method for resistor arrays is given and a flood non-uniformity measurement method in the mapping ratio 1:1 is analyzed according to the functional diagram of a non-uniformity measurement model.To improve the edge effect and non-ideal convergence due to image deterioration,a flood non-uniformity measurement method based on point spread function estimation is proposed.The simulation result shows that compared with the former method,this method can reduce the edge effect and has a better convergence when a greater smooth factor is existent.
Complementarity, measurement and information in interference experiments  [PDF]
G. Bimonte,R. Musto
Physics , 2002,
Abstract: Different criteria (Shannon's entropy, Bayes' average cost, Durr's normalized rms spread) have been introduced to measure the "which-way" information present in interference experiments where, due to non-orthogonality of the detector states, the path determination is incomplete. For each of these criteria, we determine the optimal measurement to be carried on the detectors, in order to read out the maximum which-way information. We show that, while in two-beam experiments, the optimal measurement is always provided by an observable involving the detector only, in multibeam experiments, with equally populated beams and two-state detectors, this is the case only for the Durr criterion, as the other two require the introduction of an ancillary quantum system, as part of the read-out apparatus.
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