WO2009155260A3 - Apparatus and method for model predictive control (mpc) of a nonlinear process - Google Patents

Apparatus and method for model predictive control (mpc) of a nonlinear process Download PDF

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Publication number
WO2009155260A3
WO2009155260A3 PCT/US2009/047450 US2009047450W WO2009155260A3 WO 2009155260 A3 WO2009155260 A3 WO 2009155260A3 US 2009047450 W US2009047450 W US 2009047450W WO 2009155260 A3 WO2009155260 A3 WO 2009155260A3
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WO
WIPO (PCT)
Prior art keywords
control
nonlinear process
model
adjustments
objective function
Prior art date
Application number
PCT/US2009/047450
Other languages
French (fr)
Other versions
WO2009155260A2 (en
Inventor
Jeffrey G. Renfro
Joseph Z. Lu
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Honeywell International Inc.
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Publication date
Application filed by Honeywell International Inc. filed Critical Honeywell International Inc.
Publication of WO2009155260A2 publication Critical patent/WO2009155260A2/en
Publication of WO2009155260A3 publication Critical patent/WO2009155260A3/en

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B17/00—Systems involving the use of models or simulators of said systems
    • G05B17/02—Systems involving the use of models or simulators of said systems electric

Abstract

A method includes obtaining (402) a nonlinear process model (142) modeling a nonlinear process to be controlled. The method also includes obtaining (404) an objective function (144) defining how the process is controlled. The method further includes obtaining (406) a control model (146) defining a dynamic feasible region associated with a controlled variable, where the controlled variable is associated with the process. In addition, the method includes controlling (408-418) the nonlinear process by solving a control problem that includes the process model, control model, and objective function. The dynamic feasible region defined by the control model could represent a funnel region (302). The objective function could include terms for minimizing and optimizing adjustments to one or more manipulated variables associated with the process. Controlling the nonlinear process could include performing simultaneous control and optimization, where adjustments to the one or more manipulated variables are chosen to meet the control objectives and possibly to optimize and minimize the adjustments.
PCT/US2009/047450 2008-06-20 2009-06-16 Apparatus and method for model predictive control (mpc) of a nonlinear process WO2009155260A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/143,354 US8046089B2 (en) 2008-06-20 2008-06-20 Apparatus and method for model predictive control (MPC) of a nonlinear process
US12/143,354 2008-06-20

Publications (2)

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WO2009155260A2 WO2009155260A2 (en) 2009-12-23
WO2009155260A3 true WO2009155260A3 (en) 2010-03-11

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US (1) US8046089B2 (en)
WO (1) WO2009155260A2 (en)

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US20090319059A1 (en) 2009-12-24
WO2009155260A2 (en) 2009-12-23
US8046089B2 (en) 2011-10-25

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