CDS 101/110a, Fall 2010
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−  * Oct. 11: HW1  CDS101 [ Avg. Grade = 18.4  Avg. Time Spent = 5.1 ], CDS110a [ Avg. Grade = 55.2  Avg. Time Spent = 11.6 ]  +  * Oct. 11: HW1  CDS101 [ Avg. Grade = 18.4/20  Avg. Time Spent = 5.1 ], CDS110a [ Avg. Grade = 55.2/60  Avg. Time Spent = 11.6 ] 
Revision as of 16:05, 13 October 2010
CDS 101/110a  Schedule  Recitations  FAQ  AM08 (errata) 
This is the homepage for CDS 101 (Analysis and Design of Feedback Systems) and CDS 110 (Introduction to Control Theory) for Fall 2010.
Instructors 
Teaching Assistants (cds110tas@cds.caltech.edu)
Course Ombuds

Announcements
 Oct 11: Simulation files for HW #3: cartpend.m, cartpend_model.m, balance_simple.mdl
 Oct 7: Due to technical difficulties, yesterday's lecture wasn't recorded... there seems to be a curse on that lecture; the most recent one I could find was from 2007, so you get to hear Prof. Murray's version.
 Oct 05: HW #2 files: Any required files will typically be posted here, under announcements; for this week you need phaseplot.m, try it with boxgrid.m for neater looking plots.
Homework/Exam Statistics
 Oct. 11: HW1  CDS101 [ Avg. Grade = 18.4/20  Avg. Time Spent = 5.1 ], CDS110a [ Avg. Grade = 55.2/60  Avg. Time Spent = 11.6 ]
Course Syllabus

CDS 101/110 provides an introduction to feedback and control in physical, biological, engineering, and information sciences. Basic principles of feedback and its use as a tool for altering the dynamics of systems and managing uncertainty. Key themes throughout the course will include input/output response, modeling and model reduction, linear versus nonlinear models, and local versus global behavior. The course has several variants:
 CDS 101 is a 6 unit (204) class intended for advanced students in science and engineering who are interested in the principles and tools of feedback control, but not the analytical techniques for design and synthesis of control systems.
 CDS 110 is a 12 unit class (309) that provides a traditional first course in control for engineers and applied scientists. It assumes a stronger mathematical background, including working knowledge of linear algebra and ODEs. Familiarity with complex variables (Laplace transforms, residue theory) is helpful but not required.
Lectures and Recitations
The main course lectures are on MW from 23 pm in 206 Thomas. CDS 101 students are not required to attend the Wednesday lectures, although they are welcome to do so. In addition to the main lectures, a series of problem solving (recitation) sessions are run by the course teaching assistants and given on Fridays from 23 pm, starting in the second week of class. The recitation session locations will be determined in the first week of classes and will be posted on the course web page.
The TAs will hold office hours on Fridays from 45 pm and Sundays from 46 pm in 114 Steele (CDS library).
Grading
The final grade will be based on homework sets, a midterm exam, and a final exam:
 Homework (50%): Homework sets will be handed out weekly and due on Mondays by 5 pm to box F outside of 102 Steele. Students are allowed three grace periods of two days each that can be used at any time (but no more than 1 grace period per homework set). Late homework beyond the grace period will not be accepted without a note from the health center or the Dean. MATLAB code and SIMULINK diagrams are considered part of your solution and should be printed and turned in with the problem set (whether the problem asks for it or not).
 Midterm exam (20%): A midterm exam will be handed out at the beginning of midterms period (28 Oct) and due at the end of the midterm examination period (3 Nov). The midterm exam will be open book and computers will be allowed (though not required).
 Final exam (30%): The final exam will be handed out on the last day of class (4 Dec) and due on Thursday of finals week. It will be an open book exam and computers will be allowed (though not required).
Collaboration Policy
Collaboration on homework assignments is encouraged. You may consult outside reference materials, other students, the TA, or the instructor, but you cannot consult homework solutions from prior years and you must cite any use of material from outside references. All solutions that are handed in should be written up individually and should reflect your own understanding of the subject matter at the time of writing. MATLAB scripts and plots are considered part of your writeup and should be done individually (you can share ideas, but not code).
No collaboration is allowed on the midterm or final exams.
Software
Computer exercises will be assigned as part of the regular homeworks. The exercises are designed to be done in MATLAB, using the Control Toolbox. SIMULINK may be useful but is not required. Caltech has a site license for this software and it may be obtained from IMSS (Caltech students only). An online tutorial is available at
Course Text and References
The primary course text is Feedback Systems: An Introduction for Scientists and Engineers by Åström and Murray (2008). This book is available in the Caltech bookstore and via download from the companion web site. The following additional references may also be useful:
 A. D. Lewis, A Mathematical Approach to Classical Control, 2003. Online access.
In addition to the books above, the textbooks below may also be useful. They are available in the library (nonreserve), from other students, or you can order them online.
 B. Friedland, Control System Design: An Introduction to StateSpace Methods, McGrawHill, 1986.
 G. F. Franklin, J. D. Powell, and A. EmamiNaeni, Feedback Control of Dynamic Systems, AddisonWesley, 2002.
Course Schedule
A detailed course schedule is available on the course schedule page (also shown on the "menu bar" at the top of each course page).
Old Announcements
 Sep 29: Recitations in 110 Steele (for CDS101), 206 Thomas (110a, "MechE" focus) or 214 Steele (110a, "EE/info/bio/..." focus)
 Sep 29: We will conduct regular recitation sections this week on Friday, and an optional Matlab tutorial on Sunday 24, SFL 328.
 Sep 29: Next Monday/Wednesday class in 070 Moore
 Sep 26: CDS 101 students may find this week's Wednesday lecture on modeling useful
 Sep 26: Website should be current, let me know if any links are broken!
 Aug 20, website created, currently under construction
 16 Nov 09: Michelle's modification of amnyquist to plot the unit circle: mjnyquist.m
 9 Nov 09: HW #6 is available. Some useful files: ambode.m, amnyquist.m, arrow.m