Flexible and real-time remote laboratory architecture based on Node.js server

<p class="0abstract">Most of currently remote laboratories implementations include interactive experimentation. In this case, students use real devices and equipment to perform real experiments, which need some flexibility of interaction with the hardware platform. The hardware platform is composed of a Raspberry Pi as a lab server, a switching board (SB), a practical work circuit board and some measurement instruments. The SB is used to make configuration of experimentation by establishing connection between the practical work circuit and measurement instruments. During the experimentation process, students change the setup using a web page. In the background, the hardware configuration is realized using SB, which is controlled by the lab server. The purpose of this work is to develop a new SB in order to provide more possibilities, interaction flexibility with the hardware platform, ease of use, improve performance in response time and finally reduce the cost of the hardware. The SB is based on switches instead of relays. This board can be plugged directly on a Raspberry Pi to facilitate the assembly. It extends the “SPI” bus in order to control some electronic components such as digital potentiometers. Its use is illustrated with a circuit with multiple combinations.</p>

show abstract

“…She then incorporated a pcDuino server, Fig4. [12]. It has evolved from a hardware and software point of view.…”

Section: Evolution In the Developed Switching Boardmentioning

confidence: 99%

“…The SB therefore contains four MAX4677 ICs [13]. Each IC contains four independent unipolar CMOS analog switches (SPSTs) that have been designed to switch and route analog voltages.…”

Section: Evolution In the Developed Switching Boardmentioning

confidence: 99%

Design of a Low Cost Switching Board Enabling a Reconfigurable Remote Experiment

et al. 2019

View full text Add to dashboard Cite

show abstract

“…Developing interactive graphical simulations usually requires the implementation of the model that defines the behavior of the system (e.g., the Ordinary Differential Equations -ODEs-in dynamic systems), apply a simulation strategy (e.g., an ODE integrator/solver) and build the view (i.e., the graphical user interface) of the simulation. To this end, different applications have already been used and/or combined, ranging from simulation commercial tools (e.g., Modelica, Matlab and EcosimPro) to video games simulation engines (e.g., Unity and Second Life) or generic programming environments (e.g., JAVA, JavaScript + HTML and Node.js), as the following labs/methodologies, to name a few, show [9][10][11][12][13][14][15][16][17]. Despite their success, these approaches require their developers to have a good knowledge of the tool and/or programming technique, hardening the creation of new virtual simulated labs.…”

Section: Introductionmentioning

confidence: 99%

Enhancing EJsS with Extension Plugins

et al. 2021

View full text Add to dashboard Cite

Easy JavaScript Simulations (EJsS) is an open-source tool that allows teachers with limited programming experience to straightforwardly bundle an interactive computer science or engineer simulation in an HTML+ JavaScript webpage. Its prominent place in Physics (where it has won several prizes) should not hinder its application in other fields (such as building the front-end of remote laboratories or learning analytics) after having adapted part of the functionality of EJsS to them. To facilitate the future inclusion of new functionalities in EJsS, this paper presents a new version of this tool that allows the enhancement of EJsS, letting it incorporate new tools and change its graphical user interface, by means of extension plugins (special software libraries). To illustrate the benefits of this distributable self-contained non-intrusive strategy, the paper (a) discusses the new methodological possibilities that the Plugins bring to EJsS developers and users, and (b) presents three plugins: one to support the plugin management and the others to easily set up a streamlined remote laboratory. Moreover, the paper also presents the main characteristics of that remote lab to allow readers take advantage of EJsS and the three plugins to set up new online experiments for their students quickly.

show abstract

EOLES Course – Five Years of Remote Learning and Experimenting

Fidalgo

Ferreira

Gericota

2020

Cross Reality and Data Science in Engineering

View full text Add to dashboard Cite

The EOLES (Electronics and Optics e-Learning for Embedded Systems) course consists of a 3rd year Bachelor degree that relies exclusively on e-learning and remote laboratories, developed as the result of an EU funded ERASMUS+ project, involving 15 institutions from four European and three North African countries and concluded in 2015. This paper presents an overview and overall results for this initial period and a more detailed analysis of the Digital Systems Teaching Unit contents, pedagogical approach, grading methodology and results. The focus is on the unit specific characteristics and features, student and teacher experiences and the methodologies that were applied to enhance learning success. The Teaching Unit expositive material is provided as the student progresses, with progressive unlocking of content depending timeline and automatic quizzes results. Grading is divided between weekly assignments, an online exam at the end of each TU and a final exam at the end of the academic year. In short, students are allowed and encouraged to adjust their learning rhythm within the limits allowed by time restraints and evaluation criteria. The developed course was accredited as a specialization year in most partner institutions and has been running non-stop since then, mainly with students from North African institutions. Although no longer supported by an EU project, the course is a good example of sustainability as it already had 4 effective editions with successful approval rates and always with many more candidates than available vacancies.

show abstract

Flexible and real-time remote laboratory architecture based on Node.js server

Cited by 10 publications

References 4 publications

Design of a Low Cost Switching Board Enabling a Reconfigurable Remote Experiment

Design of a Low Cost Switching Board Enabling a Reconfigurable Remote Experiment

Enhancing EJsS with Extension Plugins

EOLES Course – Five Years of Remote Learning and Experimenting

Contact Info

Product

Resources

About