Multivariable controller design using pareto front

Master Thesis

2011

Permanent link to this Item
http://hdl.handle.net/11427/11751
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thesis_ebe_2011_ho_k.pdf (6.51 MB)
Authors
Ho, Ka Wing
Supervisors
Braae, Martin
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University of Cape Town

Department
Department of Electrical Engineering
Faculty
Faculty of Engineering and the Built Environment
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Abstract
A multivariable thermal system with two inputs and two outputs is investigated. Its inputs are a pair of heaters controlled by a computer while its outputs are temperatures measured by two sensors. The system is fully interactive so two different controller structures can be used to ensure that the temperatures track their respective set-points. Both are multivariable controllers though one has a diagonal structure while the other has a triangular structure. Multi-objective optimization with a posteriori decision-making based on Pareto efficiency, level diagrams, hyper volumes and other performance indices is used to compare quantitatively the two controller structures when applied to a highly interactive multivariable system based on this plant.
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Electrical Engineering

Reference:

Ho, K. 2011. Multivariable controller design using pareto front. University of Cape Town.

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