Suppose that, for the system of Fig. 5.4-5, equation (5-34) is Fig. 5.4-5 y(k) = Cv (k)
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Suppose that, for the system of Fig. 5.4-5, equation (5-34) is
Fig. 5.4-5
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y(k) = Cv (k) + dm (k) (a) Derive the state model of (5-37) for this case. (b) This system has an algebraic loop. Identify this loop. (c) The gain of the algebraic loop is -dd. What is the effect on the system equations if dd =-1? (d) We can argue that algebraic loops as in this case cannot occur in physical systems, since time delay is always present in signal transmission. Quite often we can ignore this delay. Under what conditions can we obviously not ignore delay in this system?
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Related Book For
Digital Control System Analysis And Design
ISBN: 9780132938310
4th Edition
Authors: Charles Phillips, H. Nagle, Aranya Chakrabortty
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