Discrete control #1: Introduction and overview

So far I have only addressed designing control systems using the frequency domain, and only with continuous systems. That is, we’ve been working in the S domain with transfer functions. We’re going to stick with frequency methods with transfer functions for the next few videos, but instead of working in the continuous S domain, we’re going to switch over and start to understand how to design control systems in the discrete or Z domain.

Twitter - @brianbdouglas

Errata:
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[josephcorteo]

Just coming back to say your videos are still the best for learning control system theory. Bar none! Thank you for everything you do Mr. Douglas!

[sealedwings]

I'm an aerospace engineering student and these videos are gold, better than classes at univs.

[umedina]

Amazing how you start first with intuitive explanations. Really helps on sinking in the concepts

[kazimafzal]

This video blew my mind -- you literally explain perfectly how 3 subjects (Controls, DSP, Signals) come together and interact with each other in the best way possible, I'd learnt these various techniques DAC, ADC ZOH n all but seeing them come together is one of those lightbulb moments!! THANK YOU really for making such amazing videos!! If it were up to me, I would pay you my 3 professor's salaries lolxx!

[vvyogi]

15:45 That analogy you made is just wow!

[tuwenbo]

Mr. Douglas, thank you! I think your lectures are very useful, but I am Chinese, my English is not very well, so usually it's hard for me to learn, but I always give you thumbs up! lol.

[jerryzhang]

One of the best videos on control systems I have watched! - A stanford engineering student studying E205

[naomee]

I come to your videos for all my controls courses, thank you so much you're a great teacher.

[josebecerrafernandez]

I can not thank you enough for these videos. I am learning about discrete and continuous systems but i did not know why they were relevant. Thank you so much!

[nrdesign]

If only I had found your channel earlier, before those exams on control theory :D

[esayasgebreselassie]

O! Brian some body teach one person, and another one teach more person in collage and university but you learn us all of world, that inside college and on the job. Thank you too much

[sulavlalshrestha]

Hello Mr. Douglas. Control systems and signal processing, two of my favorite subjects, had so long eluded me. Thanks for these brilliant videos on control systems. Hope to see more of these videos. 😁

[houssemjebari]

I never understood the real meaning of the quote "Information is the new gold" until I found Brian's channel ... The information he's throwing at us is pure gold ... He can explain what my professors and the whole world failed to explain in 4 college years in 20 minutes ! God bless you man <3

[tnekkc]

I did not learn control theory in College, and I did not learn it on the job. I faked it, and made top $ for engineers as I designed switching power supplies for 30 years. I did learn lingo to get the work. If someone asked me about continuous flyback I would say, "Right half plane zero in the S plane. Must roll off control gain below LR pole corner." But once I was there I would not waste time designing or camped out with the schlumberger phase gain analyzer. I would hook up variable capacitors and resistors around the error amplifier, give a 100% step load to the system, and dial the compensation until it was critically damped.

[OrhaninAnnesi]

You make the most informative and intuitive videos on youtube. Thanks a lot

[BenjiShock]

Just wanted to come by and say thank you for doing these! I think in specific discrete control systems arent covered enough and I feel like everyone could learn a little more about them because nobody in my EE department seems to know a lot about them! They just do the fast sampling approach and thats it.

[RoboGenesHimanshuVerma]

Wow that Javascript game part was awesome. Your method of teaching is commendable!

[Steffen_W]

This is so much better than our "motivated" Professor tried to explain

[Kewlioooo]

Hey Brian, love watching your control system videos. The videos you've posted so far are very clear, easy to understand and professional. I actually have a final coming up on Aug 17th on discreet control systems so I'll be excited to see the upcoming series of videos. Lastly, thanks taking the time create these fantastic videos

[amiteytan]

your lectures are definitely the best out there, please make a state space lectures. thank you so much for everything!