Webpage for EE302: Control Systems

This page is maintained at the EE302-S1-website

Announcements: (most recent on the top)

• (15th April): Due to moodle being down, assignment-4 solutions can be downloaded from the link below at 8pm (today, 15th April). Note: Question-5, xi: correct answer is "False". Change in model answer and auto-evaluation will be done in a few days. (See assignment-4 solutions below.)
• (12th April): Quiz-3 on Thursday 15th April (morning 8:15am).
• (6th Jan): Weightage of quizzes/midsem and other important course related announcements: sent in my email dated 6th Jan 2021.

Lecture links (week-wise): Note: please be sure to look for errata, if any, in the comments below the youtube-video. Most recent week/lectures on the top.

• Week 12: More on state-space techniques (also called modern control)

• Assignment-4-problems-sheet and Assignment-4-solutions (with brief explanation)
• Part 1: https://youtu.be/xHJZFDT_fV0
• Part 2: https://youtu.be/kn_MBJ71t9Y

• Week 11: No new content put up for this week.
• Week 10: Briefly about frequency domain techniques for controller design and then state-space modelling and analysis

• Part 1: https://youtu.be/UvfunD0Sukg
• Part 2: https://youtu.be/kuONQGHFi6s
• Part 3: https://youtu.be/1lmFLS14IBY
• Notes:

1. https://drive.google.com/file/d/10EGeUpPNwecXpnW6SwDAsbKuZWhb4zFi/view?usp=sharing
2. https://drive.google.com/file/d/1T3CdDvsmG2g0cky3dTH1o9prEF97QUF0/view?usp=sharing

Earlier notes by Debraj are at: https://www.ee.iitb.ac.in/~dc/EE302/

• Assignment-3-problems-sheet and Assignment-3-solutions

• Week 9: Nyquist plots

• https://youtu.be/IRlkQowfZug
• https://youtu.be/OtCamzNcX1E
• https://youtu.be/Y8v93CWOoz4
• Notes https://www.ee.iitb.ac.in/~dc/EE302/Lecture%2010.pdf

• Week 8: Bode plots (parts 3, 4)

• https://youtu.be/Ih9d-nbzqjk (Bode plot- Part 3)
• https://youtu.be/hq92Tmf-Ylc (Bode plot- Part 4, definition of various terms)

• Week 7: Root-locus based design of lead and lag compensators, and Bode Plots (parts 1,2: basics)

• (First re-watch https://youtu.be/KK4loZsqSFU Slides: RL-based-controller-design-PD-PI-slides
• https://youtu.be/7Fvygb9-THU (Part 1 of lead-lag compensator) : 21+ minutes
• https://youtu.be/4NTh1aihFXQ (Part 2 of lead-lag compensator) : 12+ minutes
• Slides for parts 1,2 of lead/lag compensator: RL-based-lead-lag-slides
• https://www.youtube.com/watch?v=lqqvqgf9xHA (Bode plot- Part 1)
• https://www.youtube.com/watch?v=rIYa64C5KUk (Bode plot- Part 2)

• Week 6: Root locus: refining a sketch (involves some calculations), and basics of controller design using root-locus: PD and PI controller. Also see: generalized root-locus.

• W6.AS2: Assignment-2 (to be submitted): assignment2-submission-on-22ndfeb
• W6.PS2: Practice-problems Set-2 (not to be submitted): practice-problems-set2-rootlocus
• W6.1: Root-locus-refining-video (32minutes), RL-refining-slides
• W6.2: Root-locus-based-design-basics-video (33 minutes, includes PD, PI, simulation-plots), RL-based-controller-design-PD-PI-slides
• W6.3: Root-locus-generalized-video (14 minutes, ), RL-generalized-slides

• Week 5: Additional-reading (optional): Routh table: method-justification and one of the proofs (by Gjerrit Meinsma) see routh-table-algorithm-justification (for justification) and routh-criteria-elementary-proof-Meinsma (for an elementary proof)

• Week 5: Routh-Hurwitz (special cases) and root-locus (sketching part)

• W5.1: Routh-Hurwitz-Special-Cases (44 minutes, includes special cases that arise during construction of the Routh-Table), RH-special-cases-slides
• W5.2: Root-Locus-SKETCHING (46 minutes, includes just a rough sketch) RL-sketching-slides

• Week 4: Recap of second order pole location/zeros' effect, steady state errors block-reduction and sensitivity analysis, Routh-table (regular case)
  • W4.1: Second-order-recap-video, Second-order-recap-slides
  • W4.2: Steady-state-errors-video, Steady-state-errors-slides
  • W4.3: Block-reduction-video, Block-reduction-slides
  • W4.4: Routh-Table-regular-case-video, Routh-Table-regular-case-slides
• Week 3 (Mathematical modelling: mechanical systems, electro-mechanical systems, step response of first and second order systems):
  • W3.1: https://www.youtube.com/watch?v=r6w-4bvsKNE
  • W3.2: https://www.youtube.com/watch?v=NKbjj6niurQ
  • W3.3: https://www.youtube.com/watch?v=nC9mjFfJIgs
  • Week-3-slides
  • Week-3-slides-errata: about gears modelling: Errata-W3-gears-slide-12
  • Supplementary material on dot-convention-in-transformers
  • Supplementary material on Laplace-methods-for-circuit-solving
  • Additional material (for those interested on further material) on Initial-conditions-Distributions
• Week 2 (Inverse Laplace transform, qualitative aspects of the time-domain representation of signals depending on the location of roots of the denominator (of the Laplace transform represenation), mathematical modelling, series/parallel connection, representation of circuit-modelling in time/Laplace domains):
  • W2.1: https://www.youtube.com/watch?v=Yi9_rAfO-n0
  • W2.2: https://www.youtube.com/watch?v=OTMz9Rx0k0w
  • W2.3: https://www.youtube.com/watch?v=5qPjrkQrrjE
  • Week-2-slides
• Week 1 (Laplace-transforms-properties, definitions of linearity, causality)
  • W1.1: https://www.youtube.com/watch?v=1s9OhvNnWFg
  • W1.2: https://www.youtube.com/watch?v=vXWTnHmEDt0
  • W1.3: https://www.youtube.com/watch?v=gcXntbPUC_4
  • Week-1-slides, Laplace-transforms-properties

Recommended books: Norman Nise, Control Systems Engineering

Page updated on: 15th April 2021