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GA-based tuning of nonlinear observers for sensorless control of IPMSMs

By B S Bhangu and Chris Bingham


The paper considers two observer-based rotor position estimation schemes for sensorless control of interior permanent magnet synchronous machines (IPMSMs). Emphasis is given to techniques based on feedback linearisation followed by Luenberger observer design, and direct design of nonlinear observers. Genetic algorithms (GAs) based on the principles of evolution, natural selection and genetic mutation are employed to address difficulties in selecting correction gains for the observers, since no analytical tuning mechanisms yet exist, with results included to demonstrate the enhanced performance attributes offered by observers tuned in this way

Topics: H600 Electronic and Electrical Engineering
Publisher: Institution of Electronic and Electrical Engineering
Year: 2004
OAI identifier: oai:eprints.lincoln.ac.uk:2582

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