CDS 101/110a, Fall 2007
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This is the homepage for CDS 101 (Analysis and Design of Feedback Systems) and CDS 110 (Introduction to Control Theory) for Fall 2007.
Instructor

Teaching Assistants (cds110tas@cds)
Course Ombuds

Announcements
Archive 
 9 Dec 07: Midterm solutions are now posted
 8 Dec 07: Solutions for HW #8 are posted
 5 Dec 07: Homework #7 is graded and the solutions are posted
 CDS 110 average: 32.2/40, = 5.3
 CDS 101 average: 17.9/20, = 3.15
 OFFICE HOURS for the week of December 28: Tue 45 pm Steele 110, Thu 45 pm Steele 110.
 2 Dec 07: CDS 101/110, Week 10  Robust Performance
 26 Nov 07: CDS 101/110, Week 9  Loop Shaping
 HW #8 is now posted; due 5 Dec (Wed) @ 5 pm
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.
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 9 unit class (306) 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.
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 the box outside of 109 Steele. A two day grace period is allowed to turn in your homework. 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 (31 Oct) and due at the end of the midterm examination period (6 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 (7 Dec) and due at the end 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.
Course Text and References
The primary course text is by Åström and Murray (2008). This book is available in the Caltech bookstore and via download from the. 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
The course is scheduled for MWF 23 pm in 74 Jorgenson. CDS 101 meets on Monday and Friday only. A detailed course schedule is available on the course schedule page.
Old Announcements
 20 Aug 07: created wiki page for CDS 101/110a, Fall 2007
 1 Oct 07: CDS 101/110, Week 1  Introduction to Feedback and Control
 8 Oct 07: CDS 101/110, Week 2  System Modeling
 15 Oct 07: Solutions to homework #1 are now available
 CDS 110: Average score = 35.7/40 ( = 3.4); average time = 6.2 hours
 CDS 101: Average score = 18.7/20 ( = 1.6); average time = 3.4 hours
 15 Oct 07: CDS 101/110, Week 3  Dynamic Behavior
 22 Oct 07: Solutions to homework #2 are now available
 CDS 110: Average score = 22.4/30 ( = 4.3); average time = 9.7 hours
 CDS 101: Average score = 14.8/20 ( = 3.6); average time = 8.1 hours
 22 Oct 07: CDS 101/110, Week 4  Linear Systems
 29 Oct 07: HW # 3 is graded and the solutions are now posted
 CDS 110: Average score = 30.5/40 ( = 6.49); average time = 11.8 hours
 CDS 101: Average score = 19.3/20 ( = 0.75).
 1 Nov 07: Midterm review notes are up
 1 Nov 07: Midterms are outside 102 Steele. Due back by Tuesday 5pm
 1 Nov 07: No recitations Friday; Midterm review is Friday 2 Nov at the normal recitation hour, 23p, in 74 Jorgenson
 2 Nov 07: HW #4 is graded and the solutions are now posted
 CDS 110: Average score = 34.5/40 ( = 4.6); average time = 9.9 hours
 CDS 101: Average score = 17.0/20 ( = 3.4)
 3 Nov 07: CDS 101/110, Week 5  State Feedback web page is now updated
 5 Nov 07: CDS 101/110, Week 6  Transfer Functions
 HW #5 is now posted; due 12 Nov @ 5 pm
 9 Nov 07: Notes for Section 4 (theory) recitation only  Laplace transforms.
 12 Nov 07: Midterms are graded
 CDS 110 average: 44/55, = 7.6
 CDS 101 average: 29/35, = 4.0
 12 Nov 07: CDS 101/110, Week 7  Loop Analysis
 HW #6 is now posted; due 19 Nov @ 5 pm
 19 Nov 07: Homework #5 is graded and the solutions are posted
 CDS 110 average: 36.3/40, = 3.2
 CDS 101 average: 17.9/20, = 1.1
 19 Nov 07: CDS 101/110, Week 8  PID Control
 HW #7 is now posted; due 28 Nov (Wed) @ 5 pm
 26 Nov 07: Homework #6 is graded and the solutions are posted
 CDS 110 average: 36/40, = 4.1
 CDS 101 average: 17/20, = 3.9