The desired room temperature is set by manual

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Unformatted text preview: system. The desired room temperature is set by manual adjustment of a potentiometer. The room temperature is sensed via a thermocouple and compared with the desired temperature. The error between the desired and actual value is send to the controller, and the controller sends a control signal to the solenoid valve which produces a linear movement of the valve spool, thus adjusting the hot water flow rate to the radiator. Outside Temperature Heat Loss Potentiometer Desired Temperature Controller Solenoid Valve Heat Input Thermocouple Hot Water Measured Temperature • • Identify the basic elements of the system; reference input, output, controller, plant, actuator, sensor, disturb...
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This homework help was uploaded on 03/09/2014 for the course ME 304 taught by Professor Samim during the Spring '11 term at Middle East Technical University.

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