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The system without feedback is known as open loop system. The examples of the open loop system are bread toaster, oven ,washing machine. The open loop systems are inaccurate & less complex.
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What is the difference between finite open loop gain and closed loop gain?
In a closed loop system the gain without the feed back loop being closed is called open loop gain!!! e.g if forward gain is "A" and feed back factor is "B" then open loop gain is "AB" and closed loop gain will be [A/(A+B)]
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.
Examples of the open loop control system?
1. The washing machine ; 2. Light regulator; 3. Vacum cleaner; 4. An old Microwave oven; 5. Water tap; 6. Electric Oven; 7. Electric fan;
Why open loop gain of op-amp is very high?
A; An ideal op amp should have infinite open loop gain so when the loop is closed with negative feedback it will be stable
Why we don't prefer open loop configuration in case of linear circuit?
A: OPEN LOOP means the gain can be very high without the means to control the loop chances are that it will either saturate or oscillate
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.
Advantages of open loop control system?
The open loop system is simple and economicaleasier to constructstable
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
Is washing machine is open loop or closed control system and why?
closed loop system
Is the gain same for the same system in open loop and close loop?
no.
Open loop and close loop system in injection moluld machine?
loop checking is perform before cable termination..the difference between a close loop and open loop is,tha close loop has a feedback while the open loop has not.
Is Computerized Numerical Control machine open loop system or closed loop system?
yes
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
Do amphibians have a single loop circulatory system?
no they have double loop circulatory system but the difference is that they have single ventricle.
Is the gain same for same system in open loop and closed loop?
A: DEFINITELY NOT Open loop is defined as no feedback. any kind of negative feedback will reduce the gain
Is street light system is closed loop or open loop?
An open loop traffic signal just cycles on a schedule and has no "knowledge" of traffic patterns or current traffic. A closed loop system would have sensors letting it know when traffic was present and a controller that would make decisions based on the traffic conditions.
What are the disadvantages of closed loop systems?
its costly than open loop system and bulky, too.
