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Challenges and solutions in remote laboratories. Application to a remote laboratory of an electro-pneumatic classification cell

机译：远程实验室的挑战和解决方案。在电动气动分类室的远程实验室中的应用

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摘要

The field of remote laboratories has been developed over the years. These laboratories are valuable educational tools that allow students and faculty interact with real equipment through the Internet, as if they were physically in front of the system. When a remote laboratory is developed, many technical difficulties are found, mainly with respect to the links between the different elements such as physical system, database and clients. In this work, we analyze the challenges and propose approaches to develop remote laboratories that achieve flexibility, scalability and greater educational value. In particular, we present a remote laboratory for automatic control, which includes an electro-pneumatic classification cell. The architecture of the laboratory is based on the three-tier architecture (physical system layer, server layer and client layer). The client layer has been implemented with web standards such as HTML5, AJAX and CSS3, the clients interact with the system using a content management system and the communication interface between the physical system and the database uses a middleware based on OPC (Ole for Process Control). Engineering students have regularly used the remote laboratory and they have evaluated it through surveys. (C) 2015 Elsevier Ltd. All rights reserved.
机译：这些年来，远程实验室领域得到了发展。这些实验室是有价值的教育工具，可让学生和教职员工通过Internet与实际设备进行交互，就像他们身在系统的前面一样。当开发一个远程实验室时，会发现许多技术难题，主要是在物理系统，数据库和客户端等不同元素之间的链接方面。在这项工作中，我们分析了挑战并提出了开发可实现灵活性，可扩展性和更高的教育价值的远程实验室的方法。特别是，我们提出了一个用于自动控制的远程实验室，其中包括一个电动气动分类单元。实验室的体系结构基于三层体系结构（物理系统层，服务器层和客户端层）。客户端层已通过HTML5，AJAX和CSS3等Web标准实现，客户端使用内容管理系统与系统进行交互，物理系统与数据库之间的通信接口使用基于OPC（过程控制的Ole）的中间件）。工科学生定期使用远程实验室，并通过调查对其进行了评估。 （C）2015 Elsevier Ltd.保留所有权利。

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