The Closed Loop Process Control Model

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The Closed Loop Process Control Model

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Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
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Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Boiler
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Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
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Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
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Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
Transducer
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Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
Transducer
Signal Processor
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Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
Transducer
Signal Processor
A/D Converter
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Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
Transducer
Signal Processor
A/D Converter
Recorder
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Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
Transducer
Signal Processor
A/D Converter
Feedback Signal
Recorder
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Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
Transducer
Signal Processor
A/D Converter
Comparator

Feedback Signal
-
Recorder
Set Point
12
Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
Transducer
Signal Processor
A/D Converter
AgtB AB AltB
Comparator

Feedback Signal
Controller
-
Error Signal
Recorder
Set Point
13
Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
Transducer
Signal Processor
A/D Converter
AgtB AB AltB
Comparator

Feedback Signal
Controller
-
Error Signal
Recorder
Set Point
14
Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
Transducer
Signal Processor
Signal Processor
A/D Converter
AgtB AB AltB
Comparator
D/A Converter

Feedback Signal
Controller
Correction Signal
-
Error Signal
Recorder
Set Point
15
Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
Transducer
Signal Processor
Signal Processor
A/D Converter
AgtB AB AltB
Comparator
D/A Converter

Feedback Signal
Controller
Correction Signal
-
Error Signal
Recorder
Set Point
16
Closed Loop Process
Controlled Variable
Uncontrolled Variable
Control Model
Heat Exchanger
Sensor
Boiler
Transducer
Signal Processor
Signal Processor
A/D Converter
AgtB AB AltB
Comparator
D/A Converter

Feedback Signal
Controller
Correction Signal
-
Error Signal
Recorder
Set Point