ENGINERING MATLAB exam
This exam will be taken on Wednesday November 18, 2020 from 3:30pm-4:45pm (Pacific Daylight Time)You have ONE HOUR AND 15 MIN to take this exam.MATERIALS COVERED: Emphasis will be on root locus analysis and design and disturbances and MATLABThere will be couple MATLAB questions. (YOU MUST KNOW HOW TO USE MATLAB)Textbook: Norman S. Nise “Control Systems Engineering “, 8th Edition, John Wiley &Sons Inc.I will take a picture of each question then send to you and then you will send me the correct answer WITH WORK! and for the MATLAB answer send in WORD DOC!Below I attached practice homework problems for you to practice
Homework # 6: Due Tuesday, November 3, 2020 at 5PM 1. Sketch the general shape of the root locus for each of the open-loop pole-zero plot shown in the following figures Fig. 1 a) Fig 1b) 2. Given the feedback system shown below G(s) = !
“(“$%)(“$’) , H(s) =1 a) Draw the root locus b) Obtain the asymptotes c) Obtain the value of gain that will make the system marginally stable d) Find all the break away and break-in points e) If one of the roots is at s= -11, find the other two roots f) List the dominant roots g) Find the percentage overshoot, settling time for the approximate second order system h) Obtain the value of gain for which the closed – loop transfer function will have two identical real roots. 3. Given G(s) and H(s) G(s) = !(“$()
“(“$))(“$*+) , H(s) =1 a) Draw the root locus b) Find all the break-in and breakaway points c) If one of the roots is at s= -9, find K and the other two roots d) List the dominant roots 4. Given the root locus shown below a) Find the value of gain that will make the system marginally stable b) Find the value of gain for which the closed-loop transfer function will have a pole on the real axis at s= -5 5. For the unity feedback system where
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