Dear Timo Montonen,
Thank you for your email.
1) the states in the reduced model have no physical meaning
2) The units for outputs y_d and M_b: 1 = 0.01 mole fraction units
The units for outputs M_d and M_b: 1 = 1 mol
The units for inputs (L,V,D,B): 1 = 1 mol/s = F (the feed rate)
The units for disturbance 1 (F): 1 = 0.2 mol/s (20% change)
The units for disturbance 2 (z_f): 1 = 0.1 mole fraction units
3) There is no rescaling when we go from the 82 state to 5 state model.
Again note that the states have no physical meaning in the 5state
model.
I hope this helps.
I have also changed the files in the book home page, see Tab12_3.m,
such that they provide more information.
Best regards,
Sigurd Skogestad
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