Abstract
Within this paper, we will describe a grid concept to realize a universal remote lab infrastructure as well as different operation modes based on this concept. This new infrastructure consists of three parts: an internal serial remote lab bus, a bus protection unit to interface the remote lab bus and to protect it from misuse and damage as well as a protection unit, which protects the physical systems (the electro-mechanical models in our remote lab) against deliberate damage or accidentally wrong control commands and which offers different access and control mechanisms. The interconnection between the Web-control units and the selected physical system during a remote lab work session (experiment) as well as the user management is done by the lab server, which also handles the webcams. The implemented remote lab infrastructure is based on the iLab architecture of the MIT, which allows to interconnect remote labs and to exchange remote lab experiments among different universities worldwide.
Highlights
Our Integrated Communication Systems Group at the Ilmenau University of Technology has many years of experience in integrated hard- and software systems and over 10 years of experience in dealing with Internetsupported teaching in the field of digital system design ([1] and [2])
We have developed a new teaching concept, called “Living Pictures” [3] that we use in several phases of the learning process
The reference design should be independent of the used control unit and the development tools. This is done by the protection unit of the physical system
Summary
Our Integrated Communication Systems Group at the Ilmenau University of Technology has many years of experience in integrated hard- and software systems and over 10 years of experience in dealing with Internetsupported teaching in the field of digital system design ([1] and [2]). At our university we offer a remote laboratory, which gives the students the possibility to work on real world systems without the need to stand in line at a lab or the need to take care of opening hours. We would like to concentrate on giving students the chance to check their prepared control algorithms via Web-based simulation, via Web-based remote control of the existing physical system (that means before the tutorial course), in real environmental conditions (which can be interactively influenced by themselves) and to correct or modify the received results. That is the reason why universities develop their own remote lab solutions – suitable for their specific requirements, for example [4], [5], [6] and [7]. Most of the existing laboratories can be divided in batched remote labs and interactive remote labs
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