By Topic

IEE Review

Issue 6 • Date 20 Jun 1991

Filter Results

Displaying Results 1 - 3 of 3
  • Making the rules [industrial computer control]

    Page(s): 235 - 239
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (412 KB)  

    All processes need some form of control, even if this only consists of simply switching motors and actuators on and off. In some cases, process parameters must be controlled very precisely. Rule-based control offers more flexibility and better control of such complex processes than more conventional model-based techniques. Here, the author describes how rule-based expert systems have proved their worth in real heavy-industrial applications, and could bring benefits to many others View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • `It will not slice a pineapple'-Charles Babbage and the first computer

    Page(s): 217 - 220
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (356 KB)  

    Charles Babbage's abortive attempt to build the first computer cost as much, in its day, as 50 brand-new steam locomotives. Here, the author recounts the story of perhaps the most heroic failure of the 19th century and outlines the two classes (difference and analytical) of engines designed by Babbage View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • The synchronous digital hierarchy. II. Survival of the fittest

    Page(s): 229 - 233
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (368 KB)  

    For pt.I see ibid., vol.37, no.5, p.185-9, 1991. The authors explain how the synchronous digital hierarchy (SDH) offers a solution the problems caused by the digitalisation of the world's telecommunications networks. The principles and the pros and cons of SDH are also outlined View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.