Observer-based indirect speed control for induction machines

Masala, Jean-Pierre Makiadi, Busawon, Krishna, Jovanovic, Milutin and Binns, Richard (2016) Observer-based indirect speed control for induction machines. In: Proceedings of the 4th International Symposium on Environmental Friendly Energies and Applications (EFEA). IEEE, pp. 1-7. ISBN 978-1-5090-0749-3

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In this paper, we present a strategy for the design of an observer-based indirect speed control for induction motors. We first derive a reduced (3rd) order complex differential model for induction motors using the α - β model. For the sake of simplicity, we use this new formulation of the induction motor model as basis for the design of observer-based control methodology. Next, we design an indirect torque controller giving rise to an indirect way of controlling the speed of the machine. Then, as the controller requires the measurements of the rotor fluxes, we synthesise a rotor flux observer which facilitates the implementation of the torque (and speed) controller. Consequently, an observer-based indirect speed controller is essentially designed. The validity of the proposed methodology is assessed via simulation using Matlab/Simulink software package.

Item Type: Book Section
Uncontrolled Keywords: Induction motors, Mathematical model, Torque, Observers, Rotors, Stators, Electromagnetics
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 09 Jan 2017 12:40
Last Modified: 12 Oct 2019 19:21

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