The gain matrix in Eq. 24-1 for the plant in this chapter was obtained using analytical methods
Question:
The gain matrix in Eq. 24-1 for the plant in this chapter was obtained using analytical methods (Mathematica: see www.mathematica.com) with the reduced holdup model. An alternative way to evaluate the plant interactions is to find the gain matrix and the relative gain array (Chapter 18) using a Simulink model, by making small step changes in each input, and then determining the steady-state output changes in order to estimate the gains. Evaluate the relative gain array of this plant using the alternative approach along with a simulation of the full concentration model. Compare your results with the analytical results given in Eq. 242.
Steady-State Gain Matrix W2 W1 6.29 x 10-3 2.34 x 10-2 1.93 W4 5.72 x 10-6 -7.97 x 10-4 K= x8D 8.46 x 10-4 X4A 2.51 x 10-s -1.18 x 10-5 0 -3.17 x 10-6 -1 -6.29 x 10-3 0.977 -0.93 HT Relative Gain Array W2 W6 W8 Wi 0.012 w4 0.975 0.013 0 0.974 0.026 0. 0 0.962 X4A 0.025 0.013 HT
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To obtain a steady state SS gain matrix through the use of simulation step change...View the full answer
Process Dynamics And Control
ISBN: 978-0471000778
2nd Edition
Authors: Dale E. Seborg, Thomas F. Edgar, Duncan A. Mellich
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