Fault-Tolerant Rotor Position and Velocity Estimation Using Binary Hall-Effect Sensors for Low-Cost Vector Control Drives

High-resolution position and velocity estimation algorithms based on binary Hall-effect sensors for low-cost vector control drives have been the subject of significant research in recent years. While different estimation algorithms have been proposed and analyzed, no contribution so far has dealt wi...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2014-09, Vol.50 (5), p.3403-3413
Main Authors: Scelba, Giacomo, De Donato, Giulio, Scarcella, Giuseppe, Capponi, Fabio Giulii, Bonaccorso, Filippo
Format: Article
Language:English
Subjects:
Fault detection
Fault diagnosis
Observers
Rotors
Sensors
Vectors
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Summary:High-resolution position and velocity estimation algorithms based on binary Hall-effect sensors for low-cost vector control drives have been the subject of significant research in recent years. While different estimation algorithms have been proposed and analyzed, no contribution so far has dealt with Hall-effect sensor faults and their repercussion on the drive. Here, single and multiple Hall-effect sensor faults are analyzed, and a method to detect, identify, and mitigate such faults is investigated. The method is general, and it ensures proper operation of the drive and is not dependent on the particular estimation algorithm that is used; by way of example, here it will be applied to a vector-tracking observer. Limitations on the performances of the faulty system are discussed, and experimental results are reported to confirm the theoretical analysis.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2014.2304616