A hybrid formulation and design of model predictive control for systems under actuator saturation and backlash
In this paper, we develop a hybrid design framework of model predictive controller (MPC) for multivariable systems that simultaneously and explicitly addresses the actuator saturation and backlash. The discrete characteristics of the actuator backlash allows us to mathematically express it as a se...
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my.utp.eprints.37262017-01-19T08:27:23Z A hybrid formulation and design of model predictive control for systems under actuator saturation and backlash H., Zabiri Y., Samyudia Q Science (General) TP Chemical technology In this paper, we develop a hybrid design framework of model predictive controller (MPC) for multivariable systems that simultaneously and explicitly addresses the actuator saturation and backlash. The discrete characteristics of the actuator backlash allows us to mathematically express it as a set of mixed-integer linear inequalities constraint in the inputs. As a result, the constrained MPC design is formulated as solving a mixed-integer quadratic programming (MIQP) problem. Furthermore, the proposed MIQP-based design is applied only in the proximity of steady state operating points after locating the active backlash and providing the estimate of the backlash size. Simulation studies are presented to demonstrate how the hybrid MPC performs when applied to an industrial case study of fluid catalytic cracking unit. It is shown that in the presence of actuator saturation and backlash the closed-loop performance can be improved substantially when applying the hybrid method as compared to the traditional design approaches. 2006 Citation Index Journal PeerReviewed application/pdf http://eprints.utp.edu.my/3726/1/jpc06.pdf http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V4N-4JD0H11-1&_user=1196560&_coverDate=08%2F31%2F2006&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1590310395&_rerunOrigin=google&_acct=C000048039&_version H., Zabiri and Y., Samyudia (2006) A hybrid formulation and design of model predictive control for systems under actuator saturation and backlash. [Citation Index Journal] http://eprints.utp.edu.my/3726/ |
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Q Science (General) TP Chemical technology H., Zabiri Y., Samyudia A hybrid formulation and design of model predictive control for systems under actuator saturation and backlash |
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In this paper, we develop a hybrid design framework of model predictive controller (MPC) for multivariable systems that simultaneously
and explicitly addresses the actuator saturation and backlash. The discrete characteristics of the actuator backlash allows us
to mathematically express it as a set of mixed-integer linear inequalities constraint in the inputs. As a result, the constrained MPC design
is formulated as solving a mixed-integer quadratic programming (MIQP) problem. Furthermore, the proposed MIQP-based design is
applied only in the proximity of steady state operating points after locating the active backlash and providing the estimate of the backlash
size. Simulation studies are presented to demonstrate how the hybrid MPC performs when applied to an industrial case study of fluid
catalytic cracking unit. It is shown that in the presence of actuator saturation and backlash the closed-loop performance can be improved
substantially when applying the hybrid method as compared to the traditional design approaches. |
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Citation Index Journal |
author |
H., Zabiri Y., Samyudia |
author_facet |
H., Zabiri Y., Samyudia |
author_sort |
H., Zabiri |
title |
A hybrid formulation and design of model predictive control
for systems under actuator saturation and backlash |
title_short |
A hybrid formulation and design of model predictive control
for systems under actuator saturation and backlash |
title_full |
A hybrid formulation and design of model predictive control
for systems under actuator saturation and backlash |
title_fullStr |
A hybrid formulation and design of model predictive control
for systems under actuator saturation and backlash |
title_full_unstemmed |
A hybrid formulation and design of model predictive control
for systems under actuator saturation and backlash |
title_sort |
hybrid formulation and design of model predictive control
for systems under actuator saturation and backlash |
publishDate |
2006 |
url |
http://eprints.utp.edu.my/3726/1/jpc06.pdf http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V4N-4JD0H11-1&_user=1196560&_coverDate=08%2F31%2F2006&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1590310395&_rerunOrigin=google&_acct=C000048039&_version http://eprints.utp.edu.my/3726/ |
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1738655287789748224 |
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13.18916 |