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Temperature Control (Elwe - Experimental Panel System)
The experimental panel system is used to show simple control algorithms such as PID controller. The elements of the control loop are interconnected in a transparent way, thus this system is very useful for pedagogical purposes, especially when teaching the beginners in the field of control.  
 
The control purpose in this case is to maintain the desired temperature in the room while changing the power of the heater. The controlled plant is simulated by means of analogue electrical circuits.
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