ECE 3510
Introduction to Feedback Systems
Spring 2006

Homework and Notes

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Class is now over.
Posted grades.

Buh'dea, buh'dea, buh'dea, dat's all folks...

Problem Sessions: We will sometimes use the last part of class as a problem session.


Unless specified otherwise, problems come from: ECE 3510 class notes. by Marc Bodson
Note: Numbers refer to problems at the end of the chapter, Ex refers to exercises within the chapter.  Answers not given below are in the back of your book.
 
Homework Assignment Answers Due
1  Hw01_S06.pdf   F, 1/13/06
2  Hw02_S06.pdf   W, 1/18
3  Hw03_S06.pdf   M, 1/23
4  Hw04_S06.pdf   Th, 1/26
5  Hw05_S06.pdf   M, 1/30
Exam 1 (Date Changed to Thur)  Exam1_StudyGuide_S06.pdf   Th, 2/2
6  Hw06_S06.pdf   Th, 2/2
7  Hw07_S06.pdf   W, 2/8
8  Hw08_S06.pdf  vy shhould be across the 1/f & 1/k, not across M M, 2/13
9  Hw09_S06.pdf   F, 2/17
10  Hw10_S06.pdf   Th, 2/23
11  Hw11_S06.pdf   F 2/24
Exam 2     Th, 3/2
12  Hw12_S06.pdf   Th, 3/9
   Matlab help and GUIs  http://www.cs.utah.edu/~malko/controls/  
13  Hw13_S06.pdf   Th, 3/23
 Paper for Bode plots  Semilog_Paper.pdf    
14  5.4 & 5.5 in text
 Hw14_S06.pdf		 5.4 a)  k<2/3 or k>5     b) 4/3<k<2
5.5 a)  GM = infinity (phase doesn't cross 180deg),
            PM ~ 30deg
       b)  GM = 2  (6dB),   PM ~ 12deg		 Th, 3/30 
15  Hw15_S06.pdf (corrected) Hint given for 1d should be for 2e
2d) 4, 3cos(t - 90deg), -2cos(5t)
2e) answers given on handout for 2d
3b) also includes PM = 10 to 15 deg
3c) open loop: -4, closed loop: 4		 Th, 4/6
Exam 3     Th, 4/6
Exam 3.2     Th, 4/13
16  Hw16_S06.pdf (corrected)  Problem 2b should read: z/(z2-2z+2) NOT: z/(z2-2z+22). M, 4/17
17  Hw17_18_S06.pdf (corrected)   Th, 4/20
18  see above 1a) -2,   1b) -2sin(p/2 * k)
7.1 Recall that Y(s) = 1/s * H(s) = 1/(s2(s + 1)) and do a partial fraction expansion on that first.
7.1 a) OK,  b) replace (z - 1) with (z + 1) in numerator
7.2, 60Hz		 W, 4/26
may be handed in with the final
19 Go to ME Design day in the Union, Tue, 4/25.  Wirite a couple of paragraphs about what you see there.  No problems from the book.   W, 4/26
may be handed in with the final
Homework Return:  MEB 3269 or find Arn when he's in his office

Notes:
Notes Download file(s)
 Partial Fraction Expansion Examples  Partial_Fraction_Exp_S06.pdf corrected & expanded
 Exponential Curves  Notes_Exp_Curves_S06.pdf
 Step Responses  Notes_Step Responses_S06.pdf
 AC Steady-State analysis  Notes_Complex_Numbers_S06.pdf
 Notes_Sinusoidal_Steady_State_S06.pdf
 AC Notes from ECE 2210 class  Notes_AC_F05.pdf
 Notes_PhasorEx_F05.pdf
 Electrical Analogies of Mechanical Systems  Notes_Mech_to_Elect_S06.pdf
 Root-Locus Plots  Notes_Root_Locus_1_S06.pdf   all 4 pages
 Matlab help and GUIs  http://www.cs.utah.edu/~malko/controls/
 Bode Plots  Notes_Bode_Plots_S06.pdf
 Paper for Bode plots  Semilog_Paper.pdf
 z-transforms  Notes_z_transforms_S06.pdf

To view and print PDF files more reliably:
Save the file on your computer (right click on link), then open and/or print the local file only.

 The exams below are in a shortened form, with no cover page and no room to work the problems.
Exam Study Help Download file(s)
 Exam1_StudyGuide_S06.pdf  
 Exam2_StudyGuide_S06.pdf  
 Exam3_StudyGuide_S06.pdf  
All of the above in one zip file  
Much of this course material is presented in PDF, for which you will need a reader.
Readers for most platforms can be downloaded for free, examples: Adobe Acrobat and Ghostscript, Ghostview and GSview.
Choose the Adobe Acrobat if you just want to read.  Choose Ghostscript, Ghostview and GSview if you want to create PDF files of your own.

Useful Links:
 Laplace Transform Tables  http://tutorial.math.lamar.edu/AllBrowsers/3401/Laplace_Table.asp
  http://www.engineering.com/content/ContentDisplay?contentId=41005009
 Laplace Transform Properties Table  http://www.outfo.org/mathematics/tranformations/laplace/tables/transform_properties/

Grader
Ronghui Peng
peng@eng.utah.edu
Office: 2430 MEB
Office ph: 581-6360
Office hours in MEB 2430:
    Mondays   1:30 - 3:00
    Thursdays 1:30 - 3:00
 


Comments?
arnstolp@ece.utah.edu