Open loop control system is one in which the control action :

 Open loop control system is one in which the control action : 

a) Depends on the input signal b) Is independent of the desired output c) Depends on system variables d) Depends on system size
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1 Answer

Answer :

 Open loop control system is one in which the control action : Is independent of the desired output

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Related questions

In an open-loop control system, what action reduces the input to zero so the load is stopped at the desired position?

Description : In an open-loop control system, what action reduces the input to zero so the load is stopped at the desired position?

Last Answer : Usually the operator senses the desired load movement and reduces the input to stop the motor.

What are the disadvantages of Open loop control system?

Description : What are the disadvantages of Open loop control system?

Last Answer : Open loop control system are less reliable. In open loop control system Optimization is not possible. Open loop control system are less accurate.

In which system we get feedback? a.Open-loop system b.Machine control system c.Closed-loop system d.None of the above

Description : In which system we get feedback? a.Open-loop system b.Machine control system c.Closed-loop system d.None of the above

Last Answer : c.Closed-loop system

is an open loop control system. (a) Ward Leonard control (b) Field controlled D.C. motor (c) Stroboscope (d) Metadyne

Description : is an open loop control system. (a) Ward Leonard control (b) Field controlled D.C. motor (c) Stroboscope (d) Metadyne

Last Answer : Ans: B

Closed loop and Open loop Control System Advantages and Disadvantages

Description : Closed loop and Open loop Control System Advantages and Disadvantages

Last Answer : Open Loop Control System: Control System in which output quantity has no effect on the input quantity is called Open Loop Control System. Open Loop Control System has no facility to correct automatically the ... in the closed loop system and more care is needed to design a stable closed loop system

Difference between open loop and closed loop control system

Description : Difference between open loop and closed loop control system

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The open loop control system is one in which _____.

Description : The open loop control system is one in which _____.

Last Answer : the output is independent of output

_____is an open loop control system.

Description : _____is an open loop control system.

Last Answer : Field controlled D.C. motor is an open loop control system.

In an open loop control system?

Last Answer : In an open loop control system Output is independent of control input.

What are the advantages of open loop control system?

Description : What are the advantages of open loop control system?

Last Answer : Open loop control system are simple to design. Open loop control system are generally stable.

what is open loop and close loop control system?

Description : what is open loop and close loop control system?

Last Answer : A) In open loop system the input is independent         of output but output is depends on input. A-1. no feedback path in open loop s/m    -2. less accuracy than close loop s/m. Ex. Washing ...    -3. high accuracy. Ex. Air conditioner ( AC ), rocket launcher, radar          system, etc

A system has 14 poles and 2 zeros in its open -loop transfer function. The slope of its highest frequency ...

Description : A system has 14 poles and 2 zeros in its open -loop transfer function. The slope of its highest frequency asymptote in its magnitude plot is (a) - 40 dB/dec (b) - 240 dB/dec (c) + 40 dB/dec (d) + 240 dB/dec

Last Answer : A system has 14 poles and 2 zeros in its open -loop transfer function. The slope of its highest frequency asymptote in its magnitude plot is (a) - 40 dB/dec (b) - 240 dB/dec (c) + 40 dB/dec (d) + 240 dB/dec

With reference to NC machines, which of the following statements is wrong a.Both closed-loop and open-loop control systems are used b.Paper tapes, floppy tapes and cassettes are used for data storage c.Digitizers may be used as interactive input devices d.Post processor is an item of hardware

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Last Answer : c.Digitizers may be used as interactive input devices

In open-loop control, policies are applied to __________ A. Remove after congestion occurs B. Remove after sometime C. Prevent before congestion occurs D. Prevent before sending packets

Description : In open-loop control, policies are applied to __________ A. Remove after congestion occurs B. Remove after sometime C. Prevent before congestion occurs D. Prevent before sending packets

Last Answer : C. Prevent before congestion occurs

An OP amp has an open loop gain of 1,00,000. If the feedback fraction is 0.02, the approximate closed loop...

Description : An OP amp has an open loop gain of 1,00,000. If the feedback fraction is 0.02, the approximate closed loop gain is (a) 1 (b) 1,00,000 (c) 50 (d) 0.02

Last Answer : The closed loop gain Ag = G/(1+G*f) Where G is the open loop gain and f is the feedback fraction  So Ag = 49.975

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What basic requirement of a closed-loop system (not present in open-loops) enables present load position to be sensed?

Description : What basic requirement of a closed-loop system (not present in open-loops) enables present load position to be sensed?

Last Answer : Feedback.

Explain Closed loop and Open loop system with sketch.

Description : Explain Closed loop and Open loop system with sketch. 

Last Answer : Closed Loop System: [1] The name indicates that the closed loop control system has a loop that is closed as shown in figure. [2] A feedback device is used for this purpose. This makes ... system is generally used in point-to-point systems where the accuracy requirements are not critical. 

Describe open loop and closed loop system.

Description : Describe open loop and closed loop system.

Last Answer : Open loop and closed loop system: Open system: When the input is independent of the output, the system is called open- loop system. The control action is based on only some ... system is called closed- loop control system. The output is continuously measured and fed to the input. 

What will happen to the gain margin if the gain of the open loop system is doubled?

Description : What will happen to the gain margin if the gain of the open loop system is doubled? A) Doubled B) Becomes half C) Is not affected D) Becomes one-fourth 

Last Answer : What will happen to the gain margin if the gain of the open loop system is doubled? A) Doubled B) Becomes half C) Is not affected D) Becomes one-fourth 

If the gain of the open loop system is doubled, the gain margin

Description : If the gain of the open loop system is doubled, the gain margin  (1) Is not affected (2) Gets doubled (3) Becomes half (4) Becomes one -forth

Last Answer : If the gain of the open loop system is doubled, the gain margin Becomes half

In open loop system

Description : In open loop system

Last Answer : In open loop system the control action is independent of the output.

What is an example of an open loop system?

Description : What is an example of an open loop system?

Last Answer : Open loop system. Ex. Electric heater, washing machine, fan, electric switch, etc

What type of feedback loop is most common in nature and which more commonly results from human action?

Description : What type of feedback loop is most common in nature and which more commonly results from human action?

Last Answer : Need answer

The action performed by a ___________ structure must eventually cause the loop to terminate. a) sequence b) case c) repetition d) process

Description : The action performed by a ___________ structure must eventually cause the loop to terminate. a) sequence b) case c) repetition d) process

Last Answer : Answer: c Explanation: The action performed by a repetition structure must eventually cause the loop to terminate. Otherwise, an infinite loop is created

Nonsteroidal antiinflammatory drugs reduce the diuretic action of furosemide by: A. Preventing prostaglandin mediated intrarenal haemodynamic actions B. Blocking the action in ascending limb of loop of Henle. C. Enhancing salt and water reabsorption in distal tubule D. Increasing aldosterone secretion

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Last Answer : A. Preventing prostaglandin mediated intrarenal haemodynamic actions

The primary site of action of thiazide diuretics is: A. Proximal tubule B. Ascending limb of loop of Henle C. Cortical diluting segment D. Collecting ducts

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Thiazide diuretics enhance K+ elimination in urine primarily by: A. Inhibiting proximal tubular K+ reabsorption B. Inhibiting Na+ K+-2Cl– cotransport in the ascending limb of loop of Henle C. Increasing the availability of Na+ in the distal tubular fluid to exchange with interstitial K+ D. Potentiating the action of aldosterone

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The Na+ retaining action of aldosterone is exerted on the: A. Proximal convoluted tubule B. Ascending limb of loop of Henle C. Cortical diluting segment D. Distal convoluted tubul

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From the following which FMS layout is combination of many loop and ladder layout a.Ladder layout b.Open field layout c.Loop layout d.None of the above

Description : From the following which FMS layout is combination of many loop and ladder layout a.Ladder layout b.Open field layout c.Loop layout d.None of the above

Last Answer : b.Open field layout

From the following in which FMS layout workstations are arranged in a loop with rungs a.Ladder layout b.Open field layout c.Loop layout d.None of the above

Description : From the following in which FMS layout workstations are arranged in a loop with rungs a.Ladder layout b.Open field layout c.Loop layout d.None of the above

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From the following in which FMS layout machine tools are kept along a straight line. a.Loop layout b.In line layout c.Ladder layout d.Open field layout

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Actual op-amp may have an open loop gain of A. 102 B. 105 C. 103 D. 104

Description : Actual op-amp may have an open loop gain of A. 102 B. 105 C. 103 D. 104

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Why open loop OP-AMP configurations are not used in linear applications?

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If a robot can alter its own trajectory in response to external conditions, it is considered to be ____________ a) intelligent b) mobile c) open loop d) non-servo

Description : If a robot can alter its own trajectory in response to external conditions, it is considered to be ____________ a) intelligent b) mobile c) open loop d) non-servo

Last Answer : a) intelligent

If a robot can alter its own trajectory in response to external conditions, it is considered to be __________ a) intelligent b) mobile c) open loop d) non-servo

Description : If a robot can alter its own trajectory in response to external conditions, it is considered to be __________ a) intelligent b) mobile c) open loop d) non-servo

Last Answer : a) intelligent

If a robot can alter its own trajectory in response to external conditions it is considered to be A : Intelligent B : Mobile C : Open loop D : Non-servo

Description : If a robot can alter its own trajectory in response to external conditions it is considered to be A : Intelligent B : Mobile C : Open loop D : Non-servo

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If a robot can alter its own trajectory in response to external conditions it is considered to be A : Intelligent B : Mobile C : Open loop D : Non-servo

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How do closed-loop capstan drive tape transports overcome the disadvantages of the open-loop drive design?

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There are two types of tape transport configurations, open loop capstan drive and closed-loop capstan drive. What are two major disadvantages of open-loop capstan drive tape transports?

Description : There are two types of tape transport configurations, open loop capstan drive and closed-loop capstan drive. What are two major disadvantages of open-loop capstan drive tape transports?

Last Answer : a. Only operates in one direction. b. The tape tension and head-to-tape contact can vary.

The open loop gain of the amplifier is ______ (a) 105 (b) 103 (c) 106 (d) 108

Description : The open loop gain of the amplifier is ______ (a) 105 (b) 103 (c) 106 (d) 108

Last Answer : (a) 105

If a robot can alter its own trajectory in response to external conditions, it is considered to be: ⮚ mobile ⮚ open loop ⮚ intelligent ⮚ non-servo

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Last Answer : ⮚ intelligent

Arrange the knitting sequence in correct order 1. Needle falls, old loop rises closing latch of the needle 2. Needle is now ready to repeat cycle 3. Old loop is held on the stem of the needle. The latch is open 4. Old loop is cast off; new loop pushes the lap to open; needle rises and the new loop slides down to the stem of the needle 5. New loop is formed around the hook of the needle a. 2,1,5,3,4 b. 3,5,1,4,2 c. 3,5,4,1,2 d. 2,1,4,3,5

Description : Arrange the knitting sequence in correct order 1. Needle falls, old loop rises closing latch of the needle 2. Needle is now ready to repeat cycle 3. Old loop is held on the stem of the needle. The latch is open 4. Old loop is cast off; new ... a. 2,1,5,3,4 b. 3,5,1,4,2 c. 3,5,4,1,2 d. 2,1,4,3,5

Last Answer : b. 3,5,1,4,2

In root locus plot, a point on the real axis lies on the locus, if the number of open loop poles plus zeros on

Description : In root locus plot, a point on the real axis lies on the locus, if the number of open loop poles plus zeros on real axis to the a) left of the point is odd b) left of the point is even . c) right of the pointis odd d) right of the point is even

Last Answer : In root locus plot, a point on the real axis lies on the locus, if the number of open loop poles plus zeros on real axis to the right of the pointis odd

An operational amplifier has an open loop gain of 200,000. Its output exhibits saturation at 10V.

Description : An operational amplifier has an open loop gain of 200,000. Its output exhibits saturation at 10V. The threshold differential voltage of the amplifier is  A) 25 micro-volt B) 50 micro-volt C) 5 Volts D) 10 volts

Last Answer : An operational amplifier has an open loop gain of 200,000. Its output exhibits saturation at 10V. The threshold differential voltage of the amplifier is 50 micro-volt

Order of the open loop transfer function is_____ to order of closed loop transfer function

Description : Order of the open loop transfer function is _____ to order of closed loop transfer function   (a) not equal (b) equal (c) less than (d) greater than 

Last Answer : Order of the open loop transfer function is equal to order of closed loop transfer function 

With the help of block diagram explain closed loop control CNC system.

Description : With the help of block diagram explain closed loop control CNC system. 

Last Answer : Special motors called servos are used for executing machine movements in closed loop system. The name indicates that the closed loop control system has a loop that is closed as shown in fig. ... to the drive unit and the cycle repeats until there is no error signal from the comparator.

Negative feedback in a closed-loop control system DOES NOT

Description : Negative feedback in a closed-loop control system DOES NOT (A) reduce the overall gain (B) reduce bandwidth (C) improve disturbance rejection (D) reduce sensitivity to parameter variation

Last Answer : Negative feedback in a closed-loop control system DOES NOT reduce bandwidth

In a closed loop control system ...

Description : In a closed loop control system  (a) control action depends upon the output and also on the input command (b) output signal is fed back to be compared with the reference signal (c) the accuracy is better than in the open loop system (d) all of the above

Last Answer : In a closed loop control system control action depends upon the output and also on the input command , output signal is fed back to be compared with the reference signal , the accuracy is better than in the open loop system. 

In a closed-loop system in which the output is the speed of a motor, the output rate control can be used to_________.

Last Answer : In a closed-loop system in which the output is the speed of a motor, the output rate control can be used to limit the acceleration of the motor.