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| Authors: | C. Serôdio, J. Boaventura Cunha, C. Couto |
| Keywords: | Communication system, Java applet, internet, client/server, software development |
Abstract:
In the recent past, the distance between the sensing and processing points imposed critical constraints on the application of most PC-based data acquisition and control systems.
Nowadays, it is possible to access the control systems installed in remote sites over the Internet.
The World Wide Web has revolutionised the Internet by providing a medium for the dissemination of information, and the use of this technology can have a great impact on Agricultural Systems as well.
These technologies allow almost any PC with a browser and a communication link to the Greenhouses to be used as an operator workstation, which gives benefits to the users who need remote access to greenhouses.
Besides this, modern systems for agricultural applications are based on interconnection and integration of several Local Area Network (LAN) technologies combining data connectivity with user mobility.
With a browser, the user is able to download a set of web pages, review information about the status of the system in real time, by running Java Applets, and display it in a browser window.
Also, in this way it is possible to remotely configure any network node.
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