Sensorless Control of IM Drives considering 0 Hz crossover: Control Theoretical Analysis and Synthesis

Glenberg, Ove

ISBN 10: 3844321330 / ISBN 13: 9783844321333

Published by LAP LAMBERT Academic Publishing, 2011

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Bibliographic Details

• Title: Sensorless Control of IM Drives considering 0 Hz crossover: Control Theoretical Analysis and Synthesis
• Publisher: LAP LAMBERT Academic Publishing
• Publication Date: 2011
• Language: English
• ISBN 10: 3844321330
• ISBN 13: 9783844321333
• Binding: Paperback
• Condition: Like New
• Book Type: book

About this title

Synopsis

Electrical drives based on sensorless control has the advantage that neither encoder or speedsensor on the rotorshaft is needed. This book presents sensorless control adopted on the induction machine by a fairly unique kind of rotorflux estimator based on the so-called voltage model (VM). The VM estimates frequency and is developed from a vector controlled scheme of the machine model, here with one of the two channels open controlled. Then the VM and machine dynamics together defines a complete model for further control theoretical analysis and design. The analysis mainly considers instability problems and parameter variations, here especially focused on the 0 Hz crossover problem. The open controlled channel then gives an important mean for stabilizing design and parameteridentification. By nonlinear and linear analysis an optimized solution is achieved for the 0 Hz crossover problem, completed with Kalmanfiltering design for parameteridentification in the nominal speed range.

About the Author

Ove Glenberg was born in Malmö, Sweden in 1969. He received the M.Sc. in electrotechnic from Linköping University, Linköping Sweden in 1994 and the Licentiate in electronics from Mälardalen University, Västerås Sweden in 2004. For 15 years he has been active within control technical projects. Since 2010 he also work as an author.