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WorksheetsOpen & Closed-Loop CFR
Total questions: 9
Worksheet time: 5mins
Device that responds to control signal. For example, the heating element inside an oven.
Input
Controller
Control Signal
Actuator
Message sent by controller to actuator. For example, the demand from the thermostat to turn on or off the heating element..
Input
Controller
Control Signal
Actuator
Baseline measurement
Input
Controller
Control Signal
Actuator
Device that responds to input. For example, the thermostat that reads the temperature in an oven.
Input
Controller
Control Signal
Actuator
Result of process. For example, the controlled temperature in an oven.
Process
Output
Feedback
Activity resulting from actuator performing its function. For example, the heating element increasing the temperature inside an oven.
Process
Output
Feedback
Measurement sent to controller to determine if output has met desired criteria. For example, temperature measurements inside an oven.
Process
Output
Feedback
A non-feedback system.
Open-Loop
Closed-Loop
A system in which the output controls the action of the system
Open-Loop
Closed-Loop
