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A closed loop control system is a set of mechanical or electronic devices that automatically regulates a process variable to a desired state or set point without human interaction. Closed loop control systems contrast with open loop control systems, which require manual input.

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Jayanta Pegha

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15y ago

open loop control systems usually are used to test certain hardware.

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11y ago

A type of control system that automatically changes the output based on the difference between the feedback signal to the input signal.

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13y ago

A: The car hydraulic system can have an open system if there is an open or major leak on the line. there is no feedback to reduce the pressure.

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13y ago

feed back element is open

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Q: What is the definition of closed loop control system?
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What is nyquist set?

The Nyquist stability criterion, named after Harry Nyquist, provides a simple test for stability of a closed-loop control system by examining the open-loop system's Nyquist plot. Under many circumstances, stability of the closed-loop control system may be determined directly by computing the poles of the closed-loop transfer function. In contrast, the Nyquist stability criterion allows stability to be determined without computing the closed-loop poles


Open loop and closed loop systems?

Very generally, a closed-loop system will have some form of feedback that regulates the system behavior, whereas an open-loop system does not have this feedback. As a simple example, imagine you driving a car on a freeway: your car enters at 50 MPH and you want to be driving at 65 MPH. You know that if you depress the pedal at a certain degree for a certain amount of time, you will eventually accelerate the car to 65 MPH. In an open-loop system, you would have to make the best guess for the angle and amount of time you need to depress the pedal. In a closed-loop system, you are watching your odometer in order to see that you've actually increased your speed to 67 MPH and need to lay off the gas a bit. More importantly, if your car encounters a hill your closed-loop system will be able to recognize the fact that you require more acceleration to maintain your speed, whereas your open-loop system might slow down a lot. It should be clear from this example that closed-loop systems are in general more robust to changes in the system state that aren't considered in your model.


What is an open loop system?

Open Loop control Systems have input, then the input is processed by various components like amplifiers, filters etc, then final out stage.The main difference between open loop and closed loop systems is that in open loop systems there is no feedback.


What is sensitivity of open loop control system?

The sensitivity of an open loop control system is always 1, it is due to no feedback involved in open loop.


What are the disadvantages of closed loop systems?

its costly than open loop system and bulky, too.

Related questions

Is washing machine is open loop or closed control system and why?

closed loop system


Why closed loop control system is much stable than open loop control system?

A Closed loop system basically will have a feedback which enables the rectification of the error in the main process,whereas it is not possible in an open loop system


Closed loop control?

The closed loop control refers to a system whereby an input forcing function is usually determined in part by the system response.


Electric guitar control system is a closed-loop control system or not?

Yes it is


Is Computerized Numerical Control machine open loop system or closed loop system?

yes


What are the advantages of closed loop control system?

stability and repeatability


What is an open loop in control systems?

A: By definition there is no control on a system in an open loop situation. simply . it has no feedback


Would a controlled designed closed or opened loop system enables better control of the system?

Open loop (single cycle) involves a break requiring a restart, easily adapted to closed loop.


What is nyquist set?

The Nyquist stability criterion, named after Harry Nyquist, provides a simple test for stability of a closed-loop control system by examining the open-loop system's Nyquist plot. Under many circumstances, stability of the closed-loop control system may be determined directly by computing the poles of the closed-loop transfer function. In contrast, the Nyquist stability criterion allows stability to be determined without computing the closed-loop poles


Is automobile cruise control open or closed loop?

A cruise control is an example of a closed loop servo.


Is Human body open or closed loop control system?

open (in terms of thermo chemistry) ! It cannot be proved with science yet! BUT WHEN ONE TOUCHES SOMEONE, LOOKS THEM IN THE EYE, so forth one feels the exchange of energy(emotions). they are being effected by the surrounding !


What is a closed loop system?

A control system that appears to be self-regulating. Closed-loop systems employ feedback and a reference of correctness (norm or set point). Deviations from the norm are detected and corrections made in order to maintain a desired state in the system. Closed loop systems provide the homeostatic mechanism of many physiological functions (see negative-feedback) and also control some movement patterns, where feedback from proprioceptors and other receptors play an important part. Compare open-loop-system.