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Cotrol system : Open loop

1.Controlled parameters

1.1 Electric Drives

        - Speed

        - Current/Tension/Torque

        - Positioning control(Motion control)

1.2 Industrial process control

        - Temperature control

2.Power actuator

2.1 Electric Drives(static power converter)

        - AC-DC Converter

        - DC-DC Converter

        - DC-AC Converter

        - AC-AC Converter

1.2 Industrial process control

        - Pump(water,air,oil)

        - Heater

        

3.Sensor/Detector

3.1 Electric Drives

        - Speed sensor

        - Hall effect Sensor       

3.2 Industrial process control

        - Thermocouple

        - Electrod

        - Capacitive

Cotrol system : Closed loop

parameters

    W = Set point variable

    X  = Controlled variable

    Y  = Correcting variable

    Z  = Disturbance variable

    e  = Controlled error

Summing Point/Error detector  

    e = W+(-X)

    e = W-X

Exercise 2

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