hw-421-s06-13

hw-421-s06-13 - ECE 421, Spring 2006, HW Assignment #13...

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ECE 421, Spring 2006, HW Assignment #13 Bode Compensator Design Problems Due 4:00 p.m., Friday, May 5, 2006 For each problem, design a compensator G c ( s ) such that all of the speci f cations are satis f ed. Use MATLAB to draw the uncompensated and compensated Bode magnitude and phase plots. All problems have unity feedback. 1. A certain plant is described by G p 1 ( s )= 2(0 . 25 s +1) s (0 . 6 s + 1)(0 . 025 s + 1)(0 . 015 s +1) The following speci f cat ionsmustbesat is f ed by the closed-loop system: (a) the steady-state error for a unit ramp input must be 0 . 02 ; (b) the compensated phase margin must be at least 55 ; (c) the settling time for the step response of the compensated system must be longer than the settling time for the uncompensated system (with e ss speci f cation sat- is f ed). 2. A certain plant is described by G p 2 ( s )= 1 s 2 (0 . 3 s +1) The following speci f cat ionsmustbesat
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This note was uploaded on 10/25/2010 for the course ECE 421 taught by Professor Cook,g during the Spring '08 term at George Mason.

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hw-421-s06-13 - ECE 421, Spring 2006, HW Assignment #13...

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