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Applications Oriented Input design for MPC: An analysis of a quadruple water tank process
KTH, School of Electrical Engineering (EES), Automatic Control.
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Model predictive control (MPC) has become an increasingly popular control strategy thanks to its ability to handle multivariable systems and constraints. This control technique makes use of a model of the system, therefore performances are highly dependent on the accuracy of the model chosen. The process of obtaining the model is often costly, for this reason system identi cation for MPC is an important topic. Applications oriented optimal input design enables optimization of the system identi cation experiments, leading to a set of models with the necessary accuracy for the intended application. In this thesis a method of system identi cation for MPC applications is simulated on a multivariable nonlinear system consisting of four interconnected water tanks. An analysis of the impact of MPC settings, such as active or no active constraints and dierent weight settings, is carried out. The initial hypothesis is that d erent MPC settings inuence the obtained set of models. Simulations show that the hypothesis is correct and the result give rise to some interesting interpretations.

Place, publisher, year, edition, pages
2012. , 79 p.
EES Examensarbete / Master Thesis, XR-EE-RT 2012:015
National Category
Electrical Engineering, Electronic Engineering, Information Engineering Control Engineering
URN: urn:nbn:se:kth:diva-102154OAI: diva2:551112
Available from: 2012-09-10 Created: 2012-09-10 Last updated: 2012-09-10Bibliographically approved

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Electrical Engineering, Electronic Engineering, Information EngineeringControl Engineering

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