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R emote E lectronic L ab (REL)

R emote E lectronic L ab (REL). Supported by. Prof. Dr.-Ing., Dr.sc. Michael E. Auer Carinthia Tech Institute, University of Applied Sciences Richard-Wagner-Strasse 19, A-9500 Villach / Austria M.Auer@IEEE.org WWW.cti.ac.at/~auer. „I hear ... I forget; I see ... I remember;

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R emote E lectronic L ab (REL)

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  1. Remote Electronic Lab (REL) Supported by Prof. Dr.-Ing., Dr.sc. Michael E. Auer Carinthia Tech Institute, University of Applied Sciences Richard-Wagner-Strasse 19, A-9500 Villach / Austria M.Auer@IEEE.orgWWW.cti.ac.at/~auer

  2. „I hear ... I forget; I see ... I remember; I do ... I understand.“ Confucius, about 500 B.C.

  3. Remote Lab vs. Virtual Lab Laboratory: Room or Building that is used for scientific work. Remote Lab: The remote lab is designed to provide real-time experiments to students via the internet.. Virtual Lab: Each experiment is simulated by using software (e.g. LabVIEW, MATLAB, ORCAD).

  4. Telelearning Environment MatLab - Server Terminal – Server Hyperwave Information Server (GENTLE) REL – Server Application - Server ORCAD - Modem - ISDN - GSM - ADSL Client PCs

  5. ACONET UNI-Klagenfurt WAN- Router 2 MBit/s WAN CISCO 7206VXR Router CISCO 7206VXR Router CISCO 7206VXR Router Spittal Villach Klagenfurt 155MBit/s WAN 155MBit/s WAN Technikum Kärnten CISCO AS5200 Spittal Externes Netz Externes Netz Externes Netz Spittal Villach Klagenfurt WWW / DNS Tunnel für internes RAS (VPDN) WWW-Server WWW-Server Server WWW-Server EDUS EDUV EDUK CISCO PIX Firewall NT-Dienste/ Print CISCO 1605-Router CISCO 1605-Router Terminal-Server NT-Dienste/ Print Patch-schrank Patch-schrank Patch-schrank NT-Dienste/ Print FILER Unix NTFS Management- Dienste Management- Dienste Exchange Virtuelle Tunnels CISCO Secure Oracle Management- Dienste INSTALL/ ADMIN DLT 100MBit/s LAN 100MBit/s LAN 100MBit/s LAN Virtuelle Tunnels Virtuelle Tunnels MA-PC`s STU-PC`s MA-PC`s STU-PC`s Unix Client MA-PC`s STU-PC`s CTI Network

  6. Benefits of Remote Labs • The students can login from any place of the world. • Remote labs provide extended access to expensive and/or highly specialized devices. • Unlike simulations remote labs provide real lab experience. • Remote labs give students the opportunity to work in the remote mode,which will eventually become important in engineering jobs.

  7. Basic Requirements • An integration in the existing telelearning system should be possible. • A common Internet browser (Microsoft Internet Explorer 5) should be the only necessary application for the remote user. • The administrative needs should be minimal at the client-side as well as at the sever. • The experiment and the necessary environment (hard- and software) should be strictly separated, to reach a high flexibility.

  8. Nutzung von Applikationen

  9. Typical fields of use • Telelearning • Demonstrations in lecture halls (class rooms) • „Broadcast“ of experiments to groups of students/learners • Industry, research institutes

  10. Benefits of Web Instruments • Expensive and complex instruments can be used from different locations of a company. • Complex experimental systems, including specific media addition such as cooling, inert gas maintained by specialist staff at a specific location, can be directly controlled from the scientists office. • Team members, working at different locations can take advantage of the same test-run results without extra travelling. • Long-term trials (reliability, failure performance) can be comfortably supervised from home, e.g. at weekends.

  11. System for carrying out electronic exercises via the Internet Real measurements - not simulation Task

  12. REL Hardware

  13. REL Software Parts

  14. Goals are reached Future extensions: Conclusion • The integration of a kind of user scheduling for organizing the access according to a time table. • The substitution of the GPIB drivers by IVI drivers in order to improve the speed of controlling the instruments. • The usage of a switch matrix board for changing the probes connected to the test-circuit in order to offer a situation which is closer to the real one.

  15. Remote Experiment 27 October 2000: Experiment from the TU Dresden to the CTI in Villach

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