Control elements, actuators, and displays

  • L. C. Westphal


The reverse operation of computer data gathering is information output, particularly data display and control commands. We now look at the interface aspects of these — the transduction of the computer words to signals appropriate for operating valves, moving dials, running motors, etc. In this context, a control element is a device such as a valve, an actuator is a motor or solenoid which opens and closes the valve, and a display is an indicator on the operator’s console.


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Copyright information

© Springer Science+Business Media Dordrecht 1995

Authors and Affiliations

  • L. C. Westphal
    • 1
  1. 1.Department of Electrical and Computer EngineeringUniversity of QueenslandAustralia

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