predictive1 - 4F3 Predictive Control Lecture 1 Introduction...

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Unformatted text preview: 4F3 - Predictive Control Lecture 1 - Introduction to Predictive Control Jan Maciejowski [email protected] http://www-control.eng.cam.ac.uk/Homepage/officialweb.php?id=1 4F3 Predictive Control - Lecture 1 – p. 1/13 Constraints in Control All physical systems have constraints : Physical constraints, e.g. actuator limits Safety constraints, e.g. temperature/pressure limits Performance constraints, e.g. overshoot Optimal operating points are often near constraints Most control methods address constraints a posteriori : Anti-windup methods, trial and error 4F3 Predictive Control - Lecture 1 – p. 2/13 Optimal Operation and Constraints constraint set point time output Classical Control No knowledge of constraints Set point far from constraints Suboptimal plant operation constraint set point time output Predictive Control Constraints included in design Set point closer to optimal Improved plant operation 4F3 Predictive Control - Lecture 1 – p. 3/13 Getting closer to constraints (a) (b) (c) Constraint 4F3 Predictive Control - Lecture 1 – p. 4/13 The Receding Horizon Principle input output set point time time constraint constraint k k + 1 4F3 Predictive Control - Lecture 1 – p. 5/13 The Receding Horizon Principle...
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This note was uploaded on 05/25/2011 for the course EE 102 taught by Professor Guelesr during the Spring '11 term at American University of Central Asia.

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predictive1 - 4F3 Predictive Control Lecture 1 Introduction...

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