From follett at ece.msstate.edu Thu Nov 3 16:25:20 2011 From: follett at ece.msstate.edu (Randolph F. Follett) Date: Thu Nov 3 16:24:18 2011 Subject: [ece4913] Simulink implementation of Problem 6.15 Message-ID: <4EB306C0.6060909@ece.msstate.edu> I did manage to get Simulink to simuulate the system of P6.15. The simplest method was to just combine the controller and the plant into one block, rather than trying to implement a block with first-order numerator and zeroth-order denominator. An alternative was to use the generic PID block, and specify that you want a PD version in the internal options. Using the value of K = 33.57, I saw a sustained oscillation in the output response. Randy Follett -- ----------------------------------------------------------------------------------------- Randolph F. Follett, Ph.D., P.E. Assistant Professor Department of Electrical and Computer Engineering Mississippi State University Box 9571 406 Hardy Rd Office: 662-325-3073 Mississippi State, MS 39762-9571 FAX: 662-325-2298 e-mail: follett@ece.msstate.edu ------------------------------------------------------------------------------------------ From follett at ece.msstate.edu Mon Nov 7 11:01:52 2011 From: follett at ece.msstate.edu (Randolph F. Follett) Date: Mon Nov 7 11:00:31 2011 Subject: [ece4913] ECE 4913/6913 - Chapter 5, Problem 24. Message-ID: <4EB80F00.6000302@ece.msstate.edu> For P5.24, you should find that: (a) Gc(s) must be type 1 or higher (b) Gc(s) must be type 2 or higher (c) Gc(s) must be type 3 or higher Let me know if you need further details. Randy Follett -- ----------------------------------------------------------------------------------------- Randolph F. Follett, Ph.D., P.E. Assistant Professor Department of Electrical and Computer Engineering Mississippi State University Box 9571 406 Hardy Rd Office: 662-325-3073 Mississippi State, MS 39762-9571 FAX: 662-325-2298 e-mail: follett@ece.msstate.edu ------------------------------------------------------------------------------------------ From follett at ece.msstate.edu Mon Nov 7 12:17:50 2011 From: follett at ece.msstate.edu (Randolph F. Follett) Date: Mon Nov 7 12:16:32 2011 Subject: [ece4913] ECE 4913/6913 - Root Locus Gui (as promised) Message-ID: <4EB820CE.4060507@ece.msstate.edu> Enclosed, find a .zip file that provides the demo program I showed in class today. If you initiate it with an argument, it will open with the transfer function you want to work on. For example, you could set up a transfer function called gh, and then begin the routine with RLocusGui(gh) to look at that particular transfer function. Randy Follett -- ----------------------------------------------------------------------------------------- Randolph F. Follett, Ph.D., P.E. Assistant Professor Department of Electrical and Computer Engineering Mississippi State University Box 9571 406 Hardy Rd Office: 662-325-3073 Mississippi State, MS 39762-9571 FAX: 662-325-2298 e-mail: follett@ece.msstate.edu ------------------------------------------------------------------------------------------ -------------- next part -------------- A non-text attachment was scrubbed... Name: RLocusGui.zip Type: application/octet-stream Size: 32645 bytes Desc: not available Url : http://www.ece.msstate.edu/pipermail/ece4913/attachments/20111107/4691d38d/RLocusGui-0001.obj From follett at ece.msstate.edu Tue Nov 8 22:59:03 2011 From: follett at ece.msstate.edu (Randolph F. Follett) Date: Tue Nov 8 22:57:53 2011 Subject: [ece4913] ECE 4913/6913 - Chapter 5 answers Message-ID: <4EBA0897.5010006@ece.msstate.edu> Enclosed are the Chapter 5 answers for each problem (excepting those that require drawing something out). I think we have actually gone over most of these, and almost all of the answers in Chapters 6 and 7. If there are still some remaining in Chapters 6 or 7 that you need to see answers on, let me know. Randy Follett -- ----------------------------------------------------------------------------------------- Randolph F. Follett, Ph.D., P.E. Assistant Professor Department of Electrical and Computer Engineering Mississippi State University Box 9571 406 Hardy Rd Office: 662-325-3073 Mississippi State, MS 39762-9571 FAX: 662-325-2298 e-mail: follett@ece.msstate.edu ------------------------------------------------------------------------------------------ -------------- next part -------------- A non-text attachment was scrubbed... Name: Chapter 5 Answers.pdf Type: application/pdf Size: 62013 bytes Desc: not available Url : http://www.ece.msstate.edu/pipermail/ece4913/attachments/20111108/9a5d05c9/Chapter5Answers-0001.pdf From follett at ece.msstate.edu Fri Nov 11 08:33:04 2011 From: follett at ece.msstate.edu (Randolph F. Follett) Date: Fri Nov 11 08:32:58 2011 Subject: [ece4913] ECE 4913/6913 - Quiz 2 Message-ID: <4EBD3220.2030505@ece.msstate.edu> As mentioned in class on Wednesday, I am giving the enclosed quiz as a "take-home" quiz. You may not work with anyone, or even discuss the quiz with anyone until you have turned it in. This is due at the beginning of class on Monday (November 14, 2011). (You may send it to me by e-mail before that time, or you may hand in a hard copy at that time. You are not allowed to use any other reference material besides your textbook and the notes for this class. Any violation of these directions will result in penalties as directed by the Honor Code. If you have any questions about any of these directions or anything on the quiz, you may send e-mail to me or talk to me in person. In order to ensure that everyone has actually received this e-mail, I ask that you reply when you get it, and verify that you can view the quiz. One final note is that on Problem 4, you only need to derive the basic result by hand, and then you are directed to use MATLAB to do the actual plotting that is required. This problem is in addition to what I probably would have given on an in-class quiz, but should not add much to the length of the quiz overall. I believe that you should be able to do all of the hand analysis within an hour, and if you are taking significantly longer than that, you might need to re-evaluate your methods. Let me know of any questions. Randy Follett -- ----------------------------------------------------------------------------------------- Randolph F. Follett, Ph.D., P.E. Assistant Professor Department of Electrical and Computer Engineering Mississippi State University Box 9571 406 Hardy Rd Office: 662-325-3073 Mississippi State, MS 39762-9571 FAX: 662-325-2298 e-mail: follett@ece.msstate.edu ------------------------------------------------------------------------------------------ -------------- next part -------------- A non-text attachment was scrubbed... Name: ECE 4913-6913 Quiz 2.pdf Type: application/pdf Size: 93176 bytes Desc: not available Url : http://www.ece.msstate.edu/pipermail/ece4913/attachments/20111111/384ae05e/ECE4913-6913Quiz2-0001.pdf From follett at ece.msstate.edu Mon Nov 14 11:34:54 2011 From: follett at ece.msstate.edu (Randolph F. Follett) Date: Mon Nov 14 11:34:35 2011 Subject: [ece4913] ECE 4913/6913 - Chapter 8 Homework assignment Message-ID: <4EC1513E.1040701@ece.msstate.edu> For Chapter 8, work the following problems: 1, 4, 5, 9, 12, 13, 14, 19, 21, and 24. Randy Follett -- ----------------------------------------------------------------------------------------- Randolph F. Follett, Ph.D., P.E. Assistant Professor Department of Electrical and Computer Engineering Mississippi State University Box 9571 406 Hardy Rd Office: 662-325-3073 Mississippi State, MS 39762-9571 FAX: 662-325-2298 e-mail: follett@ece.msstate.edu ------------------------------------------------------------------------------------------ From follett at ece.msstate.edu Mon Nov 28 07:36:40 2011 From: follett at ece.msstate.edu (Randy Follett) Date: Mon Nov 28 07:36:43 2011 Subject: [ece4913] ECE 4913/6913 - Class today Message-ID: <18442598.194011322487400454.JavaMail.root@zimbra.ece.msstate.edu> Unfortunately I won't make it in to the office today.  I'm planning to be back to work tomorrow, and will let you know what will happen for the rest of the week at that time. Randy Follett -- Randolph F. 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