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Design of periodic output feedback and fast output sampling based controllers for systems with slow and fast modes

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Title Design of periodic output feedback and fast output sampling based controllers for systems with slow and fast modes
 
Creator TIWARI, AP
REDDY, GD
BANDYOPADHYAY, B
 
Subject Multirate output feedback
periodic output feedback
two-time scale systems
state feedback
block diagonalization
SPATIAL CONTROL
SINGULAR PERTURBATIONS
ROBUST-CONTROL
LARGE PHWR
 
Description It is well known that the straight forward application of controller design methods to two-time-scale systems is susceptible to numerical ill-conditioning and stiffness problems. However, it has been demonstrated in this paper that the presence of time-scales can be exploited for achieving better computational efficiency in case of the design of controllers based on periodic output feedback and fast output sampling principles. In particular, an approach for design of periodic output feedback and fast output sampling controllers for a two-time-scale system by decomposition into a slow and a fast subsystem problems, has been presented. These smaller order problems are then separately solved and the results thus obtained for the slow and fast subsystems are combined to obtain the solution of the original design problems. The procedure has been illustrated with the help of a very simplified nuclear reactor model.
 
Publisher WILEY-BLACKWELL
 
Date 2014-10-14T13:26:31Z
2014-10-14T13:26:31Z
2012
 
Type Article
 
Identifier ASIAN JOURNAL OF CONTROL, 14(1)271-277
http://dx.doi.org/10.1002/asjc.357
http://dspace.library.iitb.ac.in/jspui/handle/100/14515
 
Language en