By inspection determine which of the following process models can be approximated reasonably accurately by a first-order-plus-time-delay
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By inspection determine which of the following process models can be approximated reasonably accurately by a first-order-plus-time-delay model. For each acceptable case, give your best estimate of ? and ?.For each case that cannot be approximated by simple inspection, find a first-order-plus- time-delay model that still might provide a reasonably close approximation.
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(a) (10s + 1)(10s + 1) (b) (105 + 1)(8s +1)(s + 1) (c) (10s + 1)(s + 1) K(20s + 1) (d) 10s + 1 K(0.5s + 1) (e) (10s +1)(s + 1) (1) T0 + 1is + 1 10 +11s + 1 (g) 100s? + 10s + 1 (h) K(-+1) s+1.
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Related Book For
Process Dynamics And Control
ISBN: 978-0471000778
2nd Edition
Authors: Dale E. Seborg, Thomas F. Edgar, Duncan A. Mellich
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