Control Systems Lectures - Transfer Functions 

Before RU-vid and Wikipedia, how did anyone even pass an engineering degree?

I have gained better understanding of control systems in 1 hour of watching these videos than I have in an entire semester at university and reading half a text book. Makes me really wonder where my tuition is going.

In case you see this Brian, thank you so much I really appreciate what you do.

Brian Douglas!!. I bow down to thee. Why cant professors with all their knowledge explain it so simply the way you do!

mooeoo, thanks for the comment. I would like to do a video on Laplace transform and one on Fourier transform. They are two very important concepts in controls and are worth some time spent really understanding them. I've got them in my plan in the first few months of next year so keep following the channel. Thanks!

It is my aim to travel around the world and understanding these lectures will take me there

Thanks for the suggestion. I made a playlist, although so far it's just all 7 videos in the order that I've posted them. In the future I'll probably go back and add videos that fit in between two I've already made so I like the playlist idea.

thank you for your effort in making the lectures as practical and intuitive as possible. The lectures considerably increased my interest in this subject. Keep up the good work.

This is the 5th or 6th video I've watched from you tonight. I think they're incredibly helpful. You speak and write clearly and your pre-recorded writing makes for a fast and easy-to-understand learning experience. You're truly interested in making us understand the general material rather than a single example. This helps viewers make connections and encourages them to apply their knowledge in a global scope, rather than memorize a formula for a closed set of applications. In my opinion, this is what makes for a good teacher and I'm grateful your videos exist and encourage you to keep posting and recording. The Root Locus videos were especially eye-opening.

This is the best explanation I've ever found! I wanted to have you as control systems teacher! May God bless you man!

FANTASTIC LECTURES! I am an electrical engineering major, I take a bunch of signals classes and your lecture series definitely helps to clear up many concepts that I wasn't able to understand previously. Much appreciated, truly excellent work, thank you for your time and effort !

This is the first time I fully understand the significance of the Laplace transform and the transfer function. Thank you Brian, keep on the good work.

Refreshing on the past 2 years of my Electrical Engineering degree and prepping for the third, your videos are a great help, thank you.

I'm reviewing controls for my senior design project and this video series has been a life saver. Thank you!

These series are immensely helpful! I took a controls course a few years back, and even though I got an A, I did not understand anything nearly as well as I do now! I guess it was easy to plug and play the equations. Now I feel I can actually put my knowledge to good use if I need to! Thank you for this service to humanity.

I don't know if you'll read this or not but I just wanted to thank you, for what you are doing, helping troubled students all over the world, I'm from Egypt btw and I'm not that scared of the exam now that I found your channel, I only wish that we had professors who are as half good as you are. Thanks man :)

These lectures are fantastic! Been binge watching you today to revise control systems concepts :) and I really love how I am connecting the dots. My previous knowledge definitely helped, but understanding the "why" of everything made it so much clearer. Thank you for putting out such great content!

I just learned not about this subject in under 12 minutes than I ever did in college. Thank you for actually explaining this so that it can be understood!

The way you explained convolution as a necessity to sum up infinite output, helped me understand it easily. Being a good teacher is a gift few of us receive. 😎👍🏻

this is fantastic. I'm in my last year of school and struggling really hard to follow the teacher. this clears EVERYTHING up. thank you so much.

I never enjoyed my classical control systems class. But thanks to you, I have the interest again. Thanks a ton!

These Lectures are fantastic,,, they give alot of clarity and get straight to the point... with Main Test coming up in a few weeks time, I have to say, Thank you very much for rescuing me, and enabling me to become more confident in Control Systems Engineering.

THANK you Brian..It's been one semester since I start studying this stuff with the absence of sense and intuition .. while you've simply brought them all.. so THANKS!

Thank you so much For this video, you opened my eyes in so many point, now i m able to understand the lectures. before your Videos i didn't know a single thing about control systems now i got it. God Bless you and keep doing the great work !!!

These videos were a great review of the basics for my MSEE oral exam in Control Systems. I was given basic problems, like in your videos, to solve and asked questions about the concepts. I passed, thanks for the help Brian, your work is superior.

Great set of lectures- have helped me tremendously. The one area I'm not confident with yet is in applying transfer functions to the real world. I don't want to get too complicated but a lecture on taking real life control situations and fitting transfer functions to them would be great. But as I said, fantastic lectures!

Amazing work. Both simple and appropriate for introduction to students who have no prior knowledge, but also intriguing and interesting, making you want to know more about control systems theory.

Loved the definition of the transfer function. It has everything that is to know about transfer functions in it and is concise.

Currently studying for a PhD qualifying exam - your lectures have been a great help in reviewing controls topics. Many thanks!

This was a very good tutorial. I watch a lot of youtube tutorials, this is among the best. Clear audio and excellently presented.

First of all, thank God for real up close videos with real English... So thank you

who ever disliked this, i hope you use a proportional controller to drive and there is a police car at the traffic light

OMG OMG OMG,, I just watched like 6 or 7 videos from other youtubers and did not understand a single thing>> watching you however is just sooooo magical,, thanks a lot for the GREAT illustrations and explanations!!!

Hey Brian, thank you so much for this lecture, it gives an intuitive understanding of Transfer Function. This the way that helps me understand and keeps my interest in studying.

Clear and concise explanation. Real world example always helps. Many thanks Brian.

This is so useful for me in my lectures now, because I fell behind in understanding one topic and now I felt like I couldn’t catch up but thus video helps me so much, thank youuu

Great videos! Very easy to understand and follow along. Mechanical engineer here. I must say, it is kinda sad that I barely touched upon control systems at my university (one class) and did not learn anything.. Now 7 years after Uni and working with electromechanical design in my spare time, these videos are much appreciated . Thanks for the time and effort spent spreading your knowledge and from what I can tell, love of mathematics.

This channel is a God send. Many thanks from a suffering Industrial Engineering student.

thanks a lot Engineer... I've been having trouble with Control systems all semester long thanks to my lazy lecturer. now am ready to face my tests tomorrow!!

Your videoseries is pure gold. Thanks!!

Thank you very much for the effort off transmitting this knowledge. I will give back to the universe your contribution by sharing my knowledge to other people so that our civilization will successively improve. Great job!

from inida : u r simply great man :) u had bypassed me almost 4 years of trouble over this control systems :)

hands down the most interesting and insightful control systems lecture on youtube. THANK YOU1!!!

I have watched this more than 10 times, Each is a new knowledge gained.

Simply, you are the best Brian! greetings from Norway!

These videos are art. I have never seen these topics described so well.

Man you are simply awesome .... Delivering complicated subjects in such an intresting way .

Your illustrations are very helpful and easy to understand. Thanks again.

Thank you so much! This really helped me understand parts of my Linear Systems and Signals class!

Fantastic job! Excellent visuals, explanation, and examples.

Teaching is really a gift...Well done!

Hello professor, I just found your channel, thank you so much for these great simple lectures. Hope to see more from you in the future. And I am sure with enough effort and your help I can get a good score on FEEDBACK CONTROL OF DYNAMIC SYSTEMS class

Man, your explanation is simply the best !

Eventhough the video is just 11:26 long, it takes more than 30 mins to grasp everything from this, lots of information, I dont have previous knowledge on control systems, I am a mechanical Engineer and this is my first ever introduction to control system.

Superb teaching skills, Brian. You're a fantastic teacher. Gracias.

Hey Brian, i just wanted to thank you. I finished uni 5 years ago and have been working mainly on aerospace structures, but now i have to work on control systems and your lectures are life savers! You are a very clear and very good lecturer.

You're an amazing lecturer! I freaking love you man.

Brian u are awesome.. i have been studying control system but it didnt make lot of sense for me.. but looking at your examples its like everything started to make sense about control system.. i like the way u explain the concepts using examples and make others understand it.. good going bro..

Thank you a lot, I really appreciate your explanation and making of these videos, it helps a lot and makes me happy because thanks to you I understand these concepts better

Thank you Brian, it's a great job, it's more important giving simple examples for each element of control like you do, instead of a huge math part and no examples like our university are get used. Keep going!

you are awesome! my lecturer makes it so complicated. You the man!

Thank you for this. I'm studying fourier optics and I found this very helpful.

Best video for Laplace transforms so far. Good shit

best youtube lectures ive ever seen, so well set out and easy to follow!!! Come teach at my uni please!! haha

Your explanations are amazing! I understand control systems so much better now, Please become a lecturer at my uni! Hahaha

Sir , your explanations are so great and easy to understand...thankyou very much

Great class! You are the best teacher that I have seen!

Veteran engineer here brushing up on some of the basics :) . Thanks, good video's!

You are just awesome, I really hated this subject before seeing your lecture!

All the videos are very very good! Congratulations!

This video helped me alot as a growing engineer thanks...as i watch again i hope to gain a greater understanding of transfer functions, convolution and impulse response theorems... im from jamaica,,

Dude, this is ridiculously awesome! Thanks for what you're doing

You make the control system subject soooo fun! Really hope you are my lecturer in real life...

Brian, thanks for taking the time to do these videos it helps in a great way to have this quick to the point explanations Nicely done. There is only one thing. If it is not too much to ask for some book titles or authors you're familiar with, that may expand on the material you are treating, Thanks, nice going

ok dude, so, your lectures are like friggin awesome!!!!! am so glad i stumbled on them keep making more vids coz i have control systems this semester and it's a really hard exam here but your vids make it so much easier to understand!! thanks again :)

You are a lifesaver. Wish you were my dynamic systems and controls professor

Hey Brian , greetings from Philippines tysm for for these video it really help me to boost my confidence to study control system

Hello Sean, the equation of motion for a spring and mass system with a force input (u(t) is M*x''(t) + K*x(t) = u(t). The force input can be anything you want solve for, and once you set the input force you can solve for x(t) using some differential equation method. I chose Laplace Transform method. I set u(t) to the dirac delta function specifically for this problem so that I could solve for the response of the system, x(t), to that impulse function.

Great lecture man! Helped a lot for my C.S exam :)

Holly cow. Your presentations are even better than Khan Academy's (and theirs are already great)! The illustrations, the motivation, the introductory examples, the back-up with actual theory/math, the black background (this is helpful because it tires the eyes less), how you don't stray from the topic, and the fact that all of this is free. Thanks a lot! One question I've ever had is how do we proceed if our system (circuits in my case) have more than one input (source)? How could we find the transfer function output/input, if in this case we have multiple inputs?

Your videos are absolutely fantastic thank you Brian!

Seriously dude! Our professors have so much to learn from you, in the art of teaching, if not everything else :P

Ahhh, this is really helpful. I wish I had found this stuff sooner. Awesome job!

Man, that chalkboard example is exactly what 99% of controls teachers don't do for their students. Explaining real world applications to each concept they are learning, no your example doesn't sound dumb it's genius, it abstracts away details that aren't relevant when explaining the concept. And I'm gonna pass the knowledge on to others in just this way.

I just learned more in 10 mins than I have all semester in my engineering classes

oh my god this thing goes just over the hills and far away!!! I thought that I'll sneakpeak some info on the subject cause i'm interested in hobbyist roboticts, control theory and stuff but man.. My last mathmatics lecture was five years ago and I studied it in a different language.. woof.. maybe I will come back here later with a fatter brain.. xD But so nice to see how progressed lectures you can find in youtube! :) keep up this thing! :D

These lectures are really great.

Excellent videos Brian!

Fantafabulous Lecture.... Thank you for your Lecture.....

Wish me luck on my Vibrations and Controls Final Exam :) this vid realy helped alot!!

Sir you have been doing a great Job! I hadn't understand any think from my class teacher, as he always act as arrogant while teaching and he is dump in teaching, but Sir in this case you are acting like a superman for me :)

helped me catch up with my absence in lectures, thank you

Awesome and flawless!

Beautiful lecture --> making control system understandable

Great video, Veteran student here. Really enjoyed the video as well as the ridiculous example

I took Linear Systems and Signals 2 years ago and forgot everything. You have basically resurrected hundreds of hours of lost knowledge in a matter of minutes for me. Thank you so much.

Hello Abu, there are plenty of great videos here on RU-vid that can help you with the fundamentals of control systems. I have to admit I'm not familiar with the term A-level math but if you let me know where you are having problems I can point you to great videos and books. In this lecture I was trying to illustrate how useful it is to use transfer functions (i.e. the S-domain rather than the time domain) to model physical systems.

You're freaking awesome ;o great lecture, THANK YOU!!!

Great videos! I’m binging these and love them! Even though I’m now inspired to listen to ZZ Top

Lets just say if I had a prof like you I would actually love to show up to classes ;) ur the best