Internet-based client/server virtual instrument designs for real-time remote-access control engineering laboratory

Jamahl W. Overstreet, Antonios Tzes

Research output: Contribution to journalConference article

Abstract

This article describes the design of a generic Internet-based remote access virtual instrument used for real-time experimentation purposes at Polytechnic University's control engineering laboratory. These instruments can be freely downloaded from the Internet and the remote user can access the laboratory facilities from anywhere and anytime. The philosophy behind our Internet-accessed remote laboratory is based on a client/server computer configuration. The server, situated near the experiment, receives command signals transmitted to it by the client. The client remotely computes the command signal based on the reference waveform, and the transmitted system response. The remote user can select the transmission protocol, switch between asynchronous and synchronous sampling, use either a batch or a recursive data transfer mode, and view the experimental test bed. Our approach is distinct from others since it can offer more flexibility and responsibility to the client-side, since the remote user compiles, and executes locally the controller. Issues concerned with network's reliability, dynamic delay factor caused by the Internet's traffic, concurrent user-access, and limited computing power have been addressed.

Original languageEnglish (US)
Pages (from-to)1472-1476
Number of pages5
JournalProceedings of the American Control Conference
Volume2
StatePublished - Dec 1 1999
EventProceedings of the 1999 American Control Conference (99ACC) - San Diego, CA, USA
Duration: Jun 2 1999Jun 4 1999

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Access control
Servers
Internet
Data transfer
Switches
Sampling
Network protocols
Controllers
Experiments

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Internet-based client/server virtual instrument designs for real-time remote-access control engineering laboratory. / Overstreet, Jamahl W.; Tzes, Antonios.

In: Proceedings of the American Control Conference, Vol. 2, 01.12.1999, p. 1472-1476.

Research output: Contribution to journalConference article

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