A hybrid sensorless SRM drive with eight- and six-switch converter topologies

This paper presents a hybrid sensorless controller used with both the classical eight-switch converter and a reduced six-switch converter topology for switched reluctance motor (SRM) drives. The hybrid sensorless scheme consists of a sliding mode observer (SMO)-based position sensorless approach for...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2005-11, Vol.41 (6), p.1647-1655
Main Authors: Khalil, A., Husain, I., Hossain, S.A., Gopalakrishnan, S., Omekanda, A.M., Lequesne, B., Klode, H.
Format: Article
Language:English
Subjects:
Converter topology
Converters
Costs
High speed
hybrid
Industry Applications Society
Inverters
Low speed
Motors
Reluctance machines
Reluctance motors
Robustness
Rotors
sensorless
Sensorless control
Sensors
switched reluctance
Switches
Switching converters
Topology
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Description
Summary:This paper presents a hybrid sensorless controller used with both the classical eight-switch converter and a reduced six-switch converter topology for switched reluctance motor (SRM) drives. The hybrid sensorless scheme consists of a sliding mode observer (SMO)-based position sensorless approach for high speeds along with a low-resolution discrete sensor for low speeds and standstill. The hybrid position estimation switches between the SMO and the low-resolution sensor according to the speed sign and the position error difference between the SMO and the low-resolution sensor. The experimental results show the robustness of this hybrid low-cost control approach with the two converter topologies.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2005.858304