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Control Systems Algorithms

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Questions and Answers

What does the integral operator do in the described algorithm?

Produces an actuator signal based on the history of the previous errors (correct)
Acts as a proportional multiplier in a linear way
Anticipates the next change based on the slope of the error function
Increases the intensity of the signal until it is large enough to be used by the actuator

What is the role of the actuator in the context of this algorithm?

It increases the intensity of the signal until it is large enough to be used by the actuator
It operates as a final control element in contact with the process
It produces an actuator signal based on the history of the previous errors
It is an electromechanical device that takes the actuation signal and converts it into motion (correct)

What is the function of the final control element?

Increases the intensity of the signal until it is large enough to be used by the actuator
Closes or opens as operated by the actuator to control the flow of a process (correct)
Acts as a proportional multiplier in a linear way
Produces an actuator signal anticipating the next change based on the slope of the error function

What is one of the challenges associated with ultrasonic level sensors when measuring liquid levels?

Accuracy and repeatability of measurements in changing humidity (B) Signup and view all the answers

How do pneumatic level sensors function?

By compressing a column of air in contact with a diaphragm (D) Signup and view all the answers

Why is temperature and humidity compensation sometimes essential for ultrasonic level measuring systems?

To ensure accurate and repeatable measurements (C) Signup and view all the answers

What is the function of the comparison element in a closed-loop control system?

Produce an error signal by comparing required and actual values (C) Signup and view all the answers

What is the role of the control law implementation element in a closed-loop control system?

Determine the action to be taken when an error signal is received (D) Signup and view all the answers

What is the purpose of the correction element in a closed-loop control system?

Generate an output to change the variable being controlled (C) Signup and view all the answers

What is the role of the control element in a closed-loop control system?

Produce an output to change the variable being controlled (A) Signup and view all the answers