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Multivariable controller design for linear systems having multiple time delays
Author(s) -
Ogunnaike B. A.,
Ray W. H.
Publication year - 1979
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690250616
Subject(s) - multivariable calculus , control theory (sociology) , controller (irrigation) , discrete time and continuous time , linear system , computer science , quadratic equation , smith predictor , control engineering , mathematics , control (management) , engineering , pid controller , temperature control , statistics , mathematical analysis , agronomy , geometry , artificial intelligence , biology
A multivariable, multidelay compensator, capable of handling general, linear time delay problems is derived in a form applicable both in continuous and discrete time. The controller developed is shown to have the same structure as the linear‐quadratic optimal feedback controller for input delays and reduces to the Smith predictor (and the analytical predictor) for the special case of a single time delay. Some examples representative of engineering practice are used to demonstrate the effectiveness of the controller.