Electrical and Computer Engineering Homework Solutions

Bandwidth of the closed-loop system

Consider the paper machine control in the attached file. Plot the bandwidth of the closed-loop system as K varies in the interval 1 ≤ K ≤ 50. What gain is required to provide a bandwidth of 10 rad/sec? See attached file for full problem description.

Peak time and percent overshoot

A system with G(s) = K/(s(s+1)(s+4)) where K = 1 Design aPI controller so that the dominant roots are at s = -0.365+j0.514 and -0.365-j0.514. If a change of K = +50% or -50% occurs. Does the system peak time increase or decrease? Does the overshoot increase or decrease?

Consider the following system whose state space representation is as follows...

Consider the following system whose state space representation is as follows: x'1 0 1 0 x1 0 x'2 = 0 0 1 x2 + 0 ...continues

Modelling and simulation

(See attached files for full problem descriptions)

Linear systems

Please draw bode plot on logarithmic paper or graph paper. Ignore any reference to Eds chart or any other chart in the questions. (See attached file for full problem description)

Discrete-time systems

Please leave out problem asking for SISO and benefit for digital system. (See attached file for full problem description)

Bode plot

Please draw bode plot on logarithmic paper or graph paper. Ignore any reference to Eds chart or any other chart in the questions. (See attached file for full problem description)

Linear systems

Note that part b, nos. 1 and 2 is continued on top of the page with the table. (See attached file for full problem description)

:inear systems - Ubolthip

I have removed Q4. Now you may submit your response to Q3. (See attached file for full problem description)

pi controller design

Please leave out the sensitivity part. Just help me design a PI controller. Forget about the fastest. (See attached files for full problem description)

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