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Rational Transfer Functions for Biofilm Reactors

Torsten Wik (Institutionen för signaler och system, Reglerteknik och automation) ; Claes Breitholtz (Institutionen för signaler och system, Reglerteknik och automation)
AIChE Journal (0001-1541). Vol. 44 (1998), 12, p. 2647-2657.
[Artikel, refereegranskad vetenskaplig]

This article deals with the issues associated with designing scheduled model predictive controllers for nonlinear systems within the multiple-linear-model-based control framework. The issues of model set generation from empirical data and closed-loop application of the generated model set are considered. A method of hinging hyperplanes is proposed as a way to construct a piecewise linear dynamic model, conducive to dynamic scheduling of linear MFC controllers. The design and implementation of dynamically scheduled MFC using a hinge function model are discussed, as well as its advantages. Alternate MFC formulations considered here require more computation, but utilize the hinge function model as a global model. Simulated examples of isothermal CSTRs and a batch fermenter are also presented to illustrate the proposed methodologies.



Denna post skapades 2006-09-12. Senast ändrad 2013-05-22.
CPL Pubid: 15950

 

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Institutioner (Chalmers)

Institutionen för signaler och system, Reglerteknik och automation (1900-2004)

Ämnesområden

Information Technology

Chalmers infrastruktur