Nyquist Plot (Problems) - Frequency Response Analysis - Control System

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[@raghulprasanth5037]

How'd we find the point 1+j0 at which the encirclement must be done for finding number of encirclement..?

[@MuhamadFaisal-yo9ol]

The best method to sketch Nyquist plot I find in the internet. Thank you.

[@jijith7906]

Where is Nyquist contour?🙄 Don't you know the procedure for Nyquist plot? Please dont do videos if u are unaware of it

[@amitr.b.5452]

Thanks mam, to cover nyquist plot easy way...🙏

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[@arunakarhegde9751]

Thanks

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[@ashok7631]

Thank you for saving me from my sem exam

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[@Technoloxia]

Bhai Pass ho😂gaye the ? 3 saal baad puch rha hu

[@deepikasaxena635]

mam your teaching is sooo good please cover all the topic of control and signal and system

[@sadiarahman5303]

12:23 how on Earth can 0.005 be on left side of the plane?😵

[@mohitrajput6494]

Its magnitude

[@sreekanthkonakondla7120]

Thanks for u mam ... Super lecture ..... speaking skills also ver good

[@MrSankarhari]

very good . yr explanation is very simple. i like yr way of presentation.

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[@prahladparmar9273]

You just took the easiest example from BS Manke and showing it like you are a pro..

[@adarshkumar1081]

😂

[@KhameshBhardwaj]

Spot on..... its the first solved example 😂😂

[@kanhapriyadas9673]

A unity feedback system has a loop transfer function G(S)=(S+2)/[(S+1)(S-1)] Use Nyquist Criterion to determine the system stability in the closed loop configuration

[@Jorick_73]

for this example it's easeir to obtain characteristic equation of 2nd order and then use easy Routh-Hurwitz stability criterion. I found this one stable? because all coefficients are positive. Am i right?

[@atuhairwejoshua2605]

Bro this is the first and immediately I got it how to do nyquist Thank you let me not prepare to get an A in control system engineering in my exam next week but one I also learnt bode plot from the internet thank you tutors on you tube am happy I have learnt it 😅

[@Honey09812]

Mam w values we can take any values or specified values?

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[@sujal.jethwani]

Thank You very Much I wrote my End Semester Exam Answer from here

[@surendrakverma555]

Good. Thanks 🙏🙏🙏🙏🙏

[@cyriltapoiye-nx3ur]

Well explained 👍 Appreciate you🙏

[@parveenbanu7822]

Thank u so much.. It helps me a lot

[@juniorengineerwithupscuspirant]

Excellent mam this is Very helpful in my exam time 🙏🙏

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[@abinashtech538]

Thanks ma'am for such a clear illustration. I am not being able to access the other problems. They are currently private

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[@hiveknight7416]

ah, whether it encircles -1+j0. thanks for video, it helps

[@nazmulhassan8036]

thanks for this video

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[@erigelavani4162]

Thq mam it helps me a lot to understand

[@sandeshkumarchandrakar1622]

very informative keep up the good work

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[@Marcos-ms6ho]

Thank you so much. It makes sense now.

[@monalisabhattacherjee8297]

Thanxs a lot... ☺️

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[@erramaheshreddyreddy7252]

Monalisa good name

[@watan_kashmir8240]

Thanks mam nyc skills of teaching 💓

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[@tammmada]

Thank you for clear explanation

[@s.bamahfoodh]

easy to understand.. Thank u so much

[@gauravsinghtomar9625]

Very thankful for this

[@chandandubey5276]

Thank you mam.

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[@darkrasen]

Amazing video, thank you so much!

[@berkayt503]

Hello mam, i didnt get the point of why we calculate the magnitudes... while we plotting we didnt check the magnitude values on w values at all. For example w=1 angle is -72 and magnitude is 16. But while you plotting w=1's magnitude is like 7 or 8. I didnt get that. Can you explain this ? Best regards.

[@rajdeepbhowmick1228]

Same doubt

[@suyashmisra7406]

W=1 gives an irrational magnitude, definitely not 50. Not sure about the angle,I'd use a calculator myself

[@arjitmittal1909]

I think it's just physical error, because it's just a rough plot. So, it must be at that value only, but while drawing roughly, it didn't come to be the exact value.

[@kaursingh637]

u r the best

[@sushma5563]

Good explanation !

[@gauravsinghtomar9625]

Very very Thanhs mam for this

[@mhdnajmi97]

thank u. very informative

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[@preachandteach9871]

THANKS

[@deekuragurung9087]

Could not understand how u r plotting the magnitude..

[@vyshnavmanikuttan7877]

Simply mag of vector

[@Alexa-dt8fm]

Learn to draw a polar plot ,you will understand it

[@paridhisaxena6591]

Exactly

[@normieking8151]

Kya engineering kar rahi ho agar yeh hi ni ata

[@dropoutashu]

Engineering complete hua apko ys back year me ho ap

[@sairachana9898]

Madam is it correct procedure??? In my text book there is a big process we have to find the mapping of section C1, C2, C3 ,C4 and then we have to find out the stability

[@peggandwhiskey]

Yes this is also correct . Just the difference is that they have considered the corner frequencies

[@astctrigo]

Thanks for saving me !!

[@sukeshvenkatesh3970]

Mam how did u get phase angle as -180 for Omega with infinity value.because I'm getting it as -178

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[@akashgayakwad8983]

how you find out magnitude , its not digestble

[@divyanshu2262]

Closed loop from open loop .. I need this so much.. thanks ekeda

[@alemf06]

Where are you from? I had never heard that accent before. Thanks for the lesson.

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[@bluexaman]

This is indian accent

[@giorgosconstantinou7285]

R u serious m8? I hope ur kidding!

[@DavidMiller-dv1or]

Please expend on how you got the magnitude

[@ChandraSekhar-pu5ei]

Superb

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[@ArvindGupta-bj9qn]

why you not find the intersection with imaginary axis??

[@HappyHappy-pw1gb]

good explain madam

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[@chappallinikhilchakravarth9410]

i have a doubt, that in considering magnitude of (1+jw) * (2+jw), i think we need to expand it and then take magnitude. you had directly taken it as sqrt ( (1+w^2)*(4+w^2) ). But if we expand it and simplify and then consider the magnitude im getting sqrt(w^4 + 2*w^2+4). so, both expressions aren't same. can anyone help me..?

[@suprajabatchu4036]

We know that multiplication and division are easy in polar form rathaer than cartesian form. hence first we convert from cartesian form to polar form i.e a+ib as sqrt(a^2+b^2)At angle of Itan(b/a) then we know product of 2 complex numbers in ploar form :magnitude will be multiplied & angles will be added.

[@abhinavsapare5345]

Jaake job kar jaa....kuch pisa to milega

[@yassinchrg5856]

4:56 -arctan(w/4) not (w/2)

[@subhrajyotisinha3581]

Is not it N=Z-P...!!??

[@hawkeyestrongestavenger38]

You saved me mam Well expained

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[@AsaduzzamanAbir]

thanks a lot

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[@siddharthabiyani1529]

arctan(1/2) is not 60°, its 26.56. Thanks for helping, now get some help for yourself.

[@iftak01]

Good video

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[@juttintheair7105]

madam why u have plotted positive values of magnitude on left side of graph for example 0.1 on left side and 0.5

[@s.bamahfoodh]

as what I understood.. the direction or the side is decided by the phase angle not magnitude

[@kareemelshehaby1546]

Thanks alot!!

[@juniorengineerwithupscuspirant]

Thank you for your support ☺️

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[@htshon9]

H(s)=1, unity feedback* forget to multiply

[@ganeshkamma6081]

Mam ,Magnitude is always in positive axis ,but why could we place in negative axis

[@arjitmittal1909]

In polar plot graphs, we take both sides as positive. You can see such graphs here: www.tutorialspoint.com/control_systems/control_systems_polar_plots.htm

[@amrobahaddein3810]

why did it not encircle the -1+j0? since at 2 magnitude is equal to 8? please explain

[@riyajaiswal023]

Same question

[@HKNAGPAL7]

God level

[@brkn2325]

Is the z-value also only for the right half of s-plane such as the p-values?

[@gajvakracreation4209]

Nyquist plot should be drawn on graph paper?

[@EmiSen]

No

[@rayalanarendra5663]

4/S(s+1)(s+2)slove nyquist

[@muhammadabid1663]

Great

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[@sanikavengurlekar3043]

What is -1+j0

[@pankajdilwalamasti5365]

Draw &plot the value of 0.005 positive side nhi rkh skte h

[@gopinadhreddycherukula86]

Thanks mam

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[@thepirates2518]

Where did (((( -1+j0 )))) came from???

[@arjitmittal1909]

1+G(s)H(s) =0 so, G(s)H(s)=-1. We make the Contour for G(s)H(s) and check the number of encirclements at -1.

[@rajuu_t]

magnitude?

[@copper406]

Tq

[@ayushverma5382]

monday ko exam hai thanks for help

[@neerukattumanoj3506]

Mam please say how to subscribe

[@vantapatithanusha8403]

A nyquist prmb with k in NR

[@harshtalati4700]

didn't got the plotting part

[@pankajdilwalamasti5365]

Plot krne k liye achha se smaghaiye n mm or infinity ka magnitude or angle kaise nikalte h o bhi

[@francoisnougarou6296]

The end of your video about stability is just totaly incorrect. You can apply those rules Z=N+P only in the G(s)H(s) plane (Nyquist plot from the Nyquist contour). But you have computed your diagramm in the s-plane... In this case, the stability depends of where is -1 in function of the sens of the curve.

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[@mahalinhapppatil7254]

Tqs madam

[@mahalinhapppatil7254]

way of teaching is fabulous

[@mahalinhapppatil7254]

I got this problem Tq so much

[@informationabout9480]

Display per write hone ke karan dikhai nhi deha hi

[@sb_sonawane]

Mam, when you are speaking in English than the subtitles line also displayed on the screen that'way some explanation on this papers we can't seen properly, so I request 🙏 you, please don't need to display black subtitles line on the top of screen... Thank you 🙏

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Why the rest of the examples r deleted 🙄

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@@Ekeeda In the course program its written 1500 rupees and in Paypal u ask 45$. Scammers.

[@thisissharief7651]

bad luck for poor students

[@yasarkubus8381]

we love u madam keep goin'

[@turgut9526]

tıssssss

[@raihan17522]

if you dont know deep of the subject dont give misinformation

[@Rahul_Singh007]

Other problems are not available

[@anilraghu8687]

Maybe use logarithmic graph.

[@ashokyadavfqplmgxjia4668]

angle sahi nai aa raha maam

[@FayeGardner-j9p]

Joan Plains

[@venkatdhanpal9085]

bro tan inverse 0.5 is 26.565 degrees not 60 degrees

[@radheshrr1564]

Ma'am I had a problem in solving the given transfer function: (1+4s)/(s^2)(1+s)(1+2s) with Nyquist ma'am

[@bibhaprabha8561]

Or example nyquist plot

[@eforengineering70]

This is the not whole nyquist plot bcz u r not analysis about nyquist countor

[@daddygaming8200]

ma'am apki awaj Aalia bhat jaisi heee

[@roshnik5266]

She don't even know how to plot magnitude ... waste👎👎👎👎👎👎👎👎👎

[@ravisen2203]

all need money can't u share u r knowledge by keeping money thinking aside

[@ravisen2203]

@sj but who don't have money

[@darkmontagegame8257]

Ma'am apko samjate nhi ata hai

[@GoldsmithAnsel-f3x]

Terry Oval

[@SatyaPrakash-jc7dt]

Bahut hi jyada bakwas lecture h

[@Petuk_Kolkata]

Luv shape agya