Minimizing control variation in nonlinear optimal control

In any real system, changing the control signal from one value to another will usually cause wear and tear on the system’s actuators. Thus, when designing a control law, it is important to consider not just predicted system performance, but also the cost associated with changing the control action....

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Main Authors: Loxton, Ryan, Lin, Qun, Teo, Kok Lay
Format: Journal Article
Published: Pergamon 2013
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/4801
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author Loxton, Ryan
Lin, Qun
Teo, Kok Lay
author_facet Loxton, Ryan
Lin, Qun
Teo, Kok Lay
author_sort Loxton, Ryan
building Curtin Institutional Repository
collection Online Access
description In any real system, changing the control signal from one value to another will usually cause wear and tear on the system’s actuators. Thus, when designing a control law, it is important to consider not just predicted system performance, but also the cost associated with changing the control action. This latter cost is almost always ignored in the optimal control literature. In this paper, we consider a class of optimal control problems in which the variation of the control signal is explicitly penalized in the cost function. We develop an effective computational method, based on the control parameterization approach and a novel transformation procedure, for solving this class of optimal control problems. We then apply our method to three example problems in fisheries, train control, and chemical engineering.
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spelling curtin-20.500.11937-48012019-02-19T04:26:46Z Minimizing control variation in nonlinear optimal control Loxton, Ryan Lin, Qun Teo, Kok Lay total variation nonlinear optimization optimal control computation constrained optimal control In any real system, changing the control signal from one value to another will usually cause wear and tear on the system’s actuators. Thus, when designing a control law, it is important to consider not just predicted system performance, but also the cost associated with changing the control action. This latter cost is almost always ignored in the optimal control literature. In this paper, we consider a class of optimal control problems in which the variation of the control signal is explicitly penalized in the cost function. We develop an effective computational method, based on the control parameterization approach and a novel transformation procedure, for solving this class of optimal control problems. We then apply our method to three example problems in fisheries, train control, and chemical engineering. 2013 Journal Article http://hdl.handle.net/20.500.11937/4801 10.1016/j.automatica.2013.05.027 Pergamon fulltext
spellingShingle total variation
nonlinear optimization
optimal control computation
constrained optimal control
Loxton, Ryan
Lin, Qun
Teo, Kok Lay
Minimizing control variation in nonlinear optimal control
title Minimizing control variation in nonlinear optimal control
title_full Minimizing control variation in nonlinear optimal control
title_fullStr Minimizing control variation in nonlinear optimal control
title_full_unstemmed Minimizing control variation in nonlinear optimal control
title_short Minimizing control variation in nonlinear optimal control
title_sort minimizing control variation in nonlinear optimal control
topic total variation
nonlinear optimization
optimal control computation
constrained optimal control
url http://hdl.handle.net/20.500.11937/4801