Derive Transfer Function from Block Diagrams 2-FE/EIT Exam

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Example Problem on how to derive closed loop transfer function from Block Diagram
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Hello, I'm sorry to say in broken English.
I'm a 4th grade engineering student in Korea.
I studied while listening to your teacher's lecture while preparing for the F.E. exam because I am willing to immigrate to the U.S.A.
A few hours ago, I received an e-mail from NCEES informing me of the acceptance of the F.E. exam of the U.S. electrical & computer.
I'm leaving a comment to thank you because your lecture was very helpful. Thank you.

김세진-fl
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Thank you. I was worried that I may forget the material after learning this subject 20 years ago but it is understandable after watching the video 2x speed.

airbender
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Thank you so much!!! I found I pass the FE exam today. I have recommended your videos to my Professors. Thank you again!! It helps a

陈曦-yq
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Thank you for the refresher.  I passed FE 12 years ago and don't remember a thing about block diagram to transfer function, needed to use it recently.

chenmwu
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In case you still check this - In my problem, I get the right answer follwing your steps, except I have to assume the term containing L(s) (which is the disturbance, I'm guessing) is equal to 0. Is that normal? Thanks for the video regardless.

mattgallagher
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Very well explained ma'am. What book are you using?

edmondscott
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Thank you so much, this definitely helped a lot :)

mogarr
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And to find y over r, the actual transfer function?

MovementJR
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Almost divide through by r(s) but anywho...thanks a lot man

siddiqisah
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can we use normal differential equation instead of their Laplace transform to draw a block diagram and if yes then how to join two different differential equations of same system to draw a block diagram? thanx in advance.

vishalsinghkatal