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4/18/2015 A Model of Control Systems Theory Reference Input : Ideal value or goal state Comparator : Actual - Reference Action System Output : Results.

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Presentation on theme: "4/18/2015 A Model of Control Systems Theory Reference Input : Ideal value or goal state Comparator : Actual - Reference Action System Output : Results."— Presentation transcript:

1 4/18/2015 A Model of Control Systems Theory Reference Input : Ideal value or goal state Comparator : Actual - Reference Action System Output : Results of the Systems actions Input : Values related to goal state Sensor : Detect Input Disturbance : Influences from outside the system

2 4/18/2015 CST and the Themostat Reference Input : Thermostat = 72 o Comparator : = -7 Action System: Furnace is turned on Output : Hot air is blown out of vents Input : Air temperature 65 o Sensor : Thermometer at wall Disturbance : e.g. open window

3 4/18/2015 CST and the Thermostat Reference Input : Thermostat = 72 o Comparator : = 1 Action System: Furnace is turned off Output : No hot air Input : Air temperature 73 o Sensor : Thermometer at wall Disturbance : e.g. open window

4 4/18/2015 Midsagittal Cut

5 4/18/2015 Bottom of the Brain

6 4/18/2015 Preoptic Area

7 4/18/2015 CST and Eating Reference Input : Reference Calories and Fat signal for Weight = 150 Comparator : Structures in Hypothalamus Action System: Controls Metabolism Rate of Burning Fat Output : Signal about fuel level and State of Fat Cells which stimulate hunger Input : Calories Per day Signals from Stomach Signals from Fat Sensors : Brain, stomach others Disturbance : vomiting (Decreases input) Exercise (Increase Metabolism


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