CONTROL SYSTEMS ENGINEERING
CONTROL SYSTEMS ENGINEERING
7th Edition
ISBN: 9781119185666
Author: NISE
Publisher: WILEY
Question
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Chapter 13, Problem 32P

a.

To determine

To determine a discrete equivalent system for sampling period is 0.5sec.

b.

To determine

Use MATLAB and draw the root locus.

c.

To determine

Find the value of K.

d.

To determine

Use the root locus and find the step response settling time, peak time.

e.

To determine

To determine the closed loop system unit response.

f.

To determine

To determine step response of the system using Simulink and verify the prediction for part(c) and part (d).

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Students have asked these similar questions
For some viscoelastic polymers that are subjected to stress relaxation tests, the stress decays with time according to a(t) = a(0) exp(-4) (15.10) where σ(t) and o(0) represent the time-dependent and initial (i.e., time = 0) stresses, respectively, and t and T denote elapsed time and the relaxation time, respectively; T is a time-independent constant characteristic of the material. A specimen of a viscoelastic polymer whose stress relaxation obeys Equation 15.10 was suddenly pulled in tension to a measured strain of 0.5; the stress necessary to maintain this constant strain was measured as a function of time. Determine E (10) for this material if the initial stress level was 3.5 MPa (500 psi), which dropped to 0.5 MPa (70 psi) after 30 s.
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