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MECH466 - Lecture15-FrequencyResponse-2009W

Take re 3 200809 mech466 automatic control 4 1 siso

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Unformatted text preview: above issues. Take Re 3 2008/09 MECH466 : Automatic Control 4 1 SISO Design Tool in Matlab Graphical-user Graphicalinterface (GUI) that allows you to design compensators. Type “sisotool” in Type sisotool” Matlab prompt. SISO Design Tool (cont’d) Input the plant Input Root locus plot Import the plant sysG Import from File Import File Import Select “Root locus” Select locus” from View Design View Design Plots configuration. 2008/09 MECH466 : Automatic Control 5 2008/09 SISO Design Tool (cont’d) Add a pole & a zero Add of a compensator, and adjust its gain: The default setting The C(s)=1. C(s)=1. The corresponding The closed-loop poles are closedindicated by pink squares. MECH466 : Automatic Control 6 SISO Design Tool (cont’d) You will see the root You locus plot for 2008/09 MECH466 : Automatic Control If necessary, move If the pole and zero by click-and-drag, or by click- andDesign Edit Design Edit Compensator… Compensator… 7 2008/09 MECH466 : Automatic Control 8 2 SISO Design Tool (cont’d) SISO Design Tool (cont’d) See the step response See Design Design 2008/09 Edit Compensator… Edit Compensator… Modify the pole/zero for “good” step response Modify good” Analysis Plots Analysis MECH466 : Automatic Control 9 2008/09 SISO Design Tool (cont’d) MECH466 : Automatic Control 10 Announcement Add a pole & a zero of Add If n...
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