04S-ME304-MT2 - Middle East Technical University Mechanical...

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Middle East Technical University Mechanical Engineering Department 1956 ME 304 CONTROL SYSTEMS Spring 2004 Sections 01, 03, 04 Course Instructors: Dr. Tuna Balkan, Dr. Kemal Özgören, Dr. Bülent E. Platin MIDTERM EXAMINATION II May 18, 2004 Time Allowed: 90 minutes Open Notes and Books All questions are equally weighted List No. : ……. .……. .………… Student No. : ……. .…………… Name : ………………………… SURNAME : …………………. . Signature : ……………………. . 1 2 3 Σ
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ME304(Sections01,03,04)/04S/MT2/Balkan+Özgören+Platin Page 1 PROBLEM 1: The block diagram shown above represents a velocity control system. The plant consists of a mass m ( m = 1 kg) subject to viscous friction with coefficient b . The nominal value of b is b 0 and δ b is the amount of uncertainty in b so that b = b 0 + b . The velocity sensor has a first order dynamics with a time constant T . It indicates the measured velocity as V' ( s ). The desired variation of the velocity is specified as V* ( s ). As noticed, the plant is controlled by a
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This note was uploaded on 05/16/2011 for the course ME 304 taught by Professor Samim during the Spring '11 term at Middle East Technical University.

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04S-ME304-MT2 - Middle East Technical University Mechanical...

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