Block Diagram Reduction (Solved Example 2)

Control Systems: Block Diagram Reduction (Solved Example 2)
Topics discussed:
1. Splitting of a 3 input adder into two 2 input adders.
2. Solved Example based on the calculation of the overall transfer function of a Control system given in the form of Block Diagram Representation using Block Diagram Reduction rules.

Music:
Axol x Alex Skrindo - You [NCS Release]

#ControlSystemByNeso #ControlSystems #BlockDiagrams

[gregoiredesclee]

2nd Problem:

1) split the right-most adder into the rest of the block diagram + a negative feedback loop which can be solved as (G3/(1+H3G3))

2) move the branch from before G2 to after G2, and compensate with gain 1/G2. This puts two branches in parallel whose overall gain is (1+1/G2).

3) now the left hand side is two nested negative feedback loops. The inside feedback loop solves to G2/(1+H2G2). The outside then solves to G1G2/(1+H2G2+H1G1G2).

The total comes from multiplying the results from 1) 2) and 3) together.

[imsouvikkarmakar]

Q1 -- (Block Reduction Method)
Q2 -- [G1.G3.(1+G2) /((1+G2H2+G1G2H1).(1+G3H3))] (Method 2)

[_tanishkgupta]

The answer for the first homework problem__ numerator= G1G2G3 and denominator = 1 + H1G2G3 - H2G2G3 + H3G2G3

[shreyanshgupta]

sir, your lectures are great, pls add the remaining ppts

[keerthanasaravanan]

Sir ur lecture is just Pls complete the syllabus quickly

[itsagift]

Thank you for the lecture. You have save my life!😂

[raamatulasi]

great to see you again...please upload videos frequently...we have this in our current semister

[piyalbhowmick]

sir in this example we have to determine the closed loop transfer function but you have calculated the open loop transfer function, please look into it.

[wanisamuel]

I really appreciate U now can do any problem concerning block diagram algebra🎉

[sreerajguptays]

Sir, please reply if you are going to frequently updated the playlist, we need this course by the end of 4 months 🙏

[TheArrowster]

Thanks man, you saved my life, this adder with 3 input sucks! I couldn't find an explanation anywhere.

[Divyanshusrivastava]

Ans
Ans
In second problem, shift the take-off point before the block G2 after it.Then simplify it.

[deepikavarma]

gm sir. sir ur lecture is very understandable ...awesome teaching sir ..sir will u teach electrical measurements also sir?

[davidmusteata]

You re incredibile, thanks to you i will get a Google mark

[eulendabasetsana]

On Step 2 of this problem, will I be wrong to consider G1 and the positive feedback as a closed loop?

[sameermeshram]

Q.1) Ans:- G1.G2.G3/G2.G3.H1 - G2.G3.H2 + G2.G3.H3
-OR-
=G1.G2.G3/G2.G3.(H1-H2+H3)

[akshaysagacious]

it seems the postive feedback u have taken is wrong it will be G1/1-G1 the final answer look like correct me if iam wrong

[amandhakal]

The answer came out to be

while using Mason Gain formula. Why is it different?

[pranavvasoya]

The twist when he introduce the 11th rule😂😂😂

[Rising_sun_]

Q2 ans- G1G3(1+G2) /((1+G2H2+G1G2H1) (1+G3H3))