Question
Download Solution PDFAny physical system that does NOT automatically correct for variation in its output is a/an:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFOpen-loop control system:
The open-loop control system can be described by a block diagram as shown in the figure below.
These are the systems in which the control action is independent of output. So does NOT automatically correct for variation in its output
Ex: Traffic signals, washing machine and bread toaster, systems having no sensor, etc.
Closed-loop control system:
The closed-loop control system can be described by a block diagram as shown in the figure below.
These are the systems in which the control action depends on the output. These systems have a tendency to oscillate.
Ex: Temperature controllers, speed control of the motor, systems having sensors, Human eye etc.
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