Introduction to Networked Control Systems
The control of dynamic systems necessitates the communication of sensor information towards a controller and of information about the control input from the controller towards the actuators. The implementation of this communication by means of digital networks has been common practice for more than 20 years. The great current interest in the field of networked control systems results from the fact that a large variety of digital networks are becoming available everywhere and can be used for the implementation of feedback loops without additional installation cost. Wireless connections facilitate the extension of the application area of automatic control towards mobile objects, because measured variables and control variables can now be transmitted to the controller from nearly every place of a technological plant.
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