EC ENGR 141

Principles of Feedback Control

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Samuel Coogan See Full Profile

Overall 4.5 Easiness 4.0 Workload 4.0 Clarity 4.5 Helpfulness 4.5

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Exam questions were slightly more difficult than (but very similar to) homework problems.
Lectures were very clear. Even if you miss the lecture, his well-written lecture PDFs are posted online.

The project was engaging and we had a lot of freedom implementing it. (My Simulink screenshots/graphs differed from my classmate's, but we got very similar grades for it)

Spring Quarter 2017
Nhan Levan Full Profile > 3.6 Overall 1.1 Easiness 1.7 Workload 3.7 Clarity 4.1 Helpfulness
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Nhan Levan See Full Profile

Overall 3.6 Easiness 1.1 Workload 1.7 Clarity 3.7 Helpfulness 4.1

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Flavio Lorenzelli Full Profile > N/A Overall N/A Easiness N/A Workload N/A Clarity N/A Helpfulness
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Flavio Lorenzelli See Full Profile

Overall N/A Easiness N/A Workload N/A Clarity N/A Helpfulness N/A

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Tae Jung Roh See Full Profile

Overall 4.7 Easiness 2.7 Workload 2.5 Clarity 4.5 Helpfulness 3.2

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Tae is a pretty cool dude (he'll ask you to call him Tae and not professor, although no one seems to remember this). His lectures can be a little dry sometimes, but he goes over plenty of examples that should help you on your homework. I would recommend sitting near the front of the class since his handwriting can be a little small (although it is very neat), but also so you can hear his jokes better.

The TA, Roja, was very helpful too. In discussions she would go over problems from the textbook that were similar to the homework questions you had and in office hours she would guide you towards finding the answers to homework without straight up giving away the solution (which I think is more helpful anyway).

Tae's exams were all right (~60% average on both the midterm and final if I recall correctly), just remember to keep the general equation of a second order system in the back of your mind since that thing shows up everywhere. I think the low averages can be attributed primarily to the very easily found solution manual of the textbook and the numerous students who just copied the homework solutions and then got destroyed on the exams without ever understanding the material.

Also, a really, really cool thing that he did was if you bombed the midterm, he would count the final as 70% of your grade instead of 40% final and 30% midterm ("I believe in redemption"). For this, Tae Roh has earned my 'most badass professor' award.

The Matlab project (10% or 15% of your grade) about the inverted pendulum was pretty easy, as the Matlab stuff you had to do for homework pretty much teaches you what commands you need to use to do the project (root locus stuff and dominant pole design).

Overall, Tae is a pretty decent professor that I would take for other classes if given the option. My only suggestion is that I nope next time around he decides to discuss some of the industry applications of what we learn in the class (even if they're really basic) just so people can appreciate why we have to take EE 141 in the first place.

April 25, 2012
Kambiz Shoarinejad Full Profile > 3.0 Overall 1.0 Easiness 1.0 Workload 4.0 Clarity 4.0 Helpfulness
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Kambiz Shoarinejad See Full Profile

Overall 3.0 Easiness 1.0 Workload 1.0 Clarity 4.0 Helpfulness 4.0

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Paulo Tabuada See Full Profile

Overall 3.4 Easiness 2.4 Workload 2.8 Clarity 3.5 Helpfulness 3.7

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I took this class because I thought it would be a cool elective with a pretty lenient grading scheme. But I ended up finding the material for this class to be pretty dry and uninteresting. For the most part this class is pretty mathematical and abstract. If you liked stuff like 102 or 113 maybe this class is for you. But if you like classes more grounded in application and less about mathematical theory you're probably gonna be disappointed.

That being said, the grading for this class did end up being pretty lenient. Don't take this to mean the class itself is easy though. The material isn't a cakewalk to understand, and the exams (especially the final) were kinda rough, and easy to mess up on. Be ready to tackle seemingly random physics questions on the exams too. The homeworks also tended to be rather confusing and would take a while.

Lastly, Tabuada as a professor is pretty helpful and very receptive to answering any questions students have. He even does MATLAB demos, which pretty much no other EE professor does. However, his lectures aren't particularly engaging, and they can be pretty hard to follow at times. His handwriting is also kind of confusing and not easy to make sense of, so that doesn't help much. Ultimately, I didn't find lectures sufficient to understand the material, so watching youtube videos and looking over homework solutions is what ended up getting me through it.

Overall, an average class. I didn't really enjoy it, but there are worse classes you could take.

Spring Quarter 2020
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Paul Wang Full Profile > 3.4 Overall 1.4 Easiness 1.8 Workload 3.6 Clarity 3.2 Helpfulness
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Paul Wang See Full Profile

Overall 3.4 Easiness 1.4 Workload 1.8 Clarity 3.6 Helpfulness 3.2

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