This paper investigates Hall-effect sensor faults in brushless dc drives and proposes a very effective methodology for their detection, identification and compensation. It is shown that these faults cause erroneous commutation, generally leading to unstable operation. By using a fault detection and identification technique proposed by the authors in a previous paper related to low cost field-oriented drives, [22], together with appropriate fault-compensated position and speed estimation algorithms, it is shown for the first time that proper operation is guaranteed for both single and double faults. Comparative experimental results are provided for operation with three state of the art, Hall-effect sensor based, estimation algorithms: the zeroth order algorithm, [19], the hybrid observer, [20], and the vector-tracking observer, [21]. It is verified that stable operation is achieved with three, two or only a single Hall-effect sensor functioning correctly.

Hall-effect sensor fault detection, identification and compensation in brushless DC drives / Scelba, G.; DE DONATO, Giulio; Pulvirenti, M.; GIULII CAPPONI, Fabio; Scarcella, G.. - STAMPA. - (2015), pp. 3987-3995. (Intervento presentato al convegno Energy Conversion Congress and Exposition 2015 tenutosi a Montreal, CANADA nel 20-24 Settembre 2015) [10.1109/ECCE.2015.7310223].

Hall-effect sensor fault detection, identification and compensation in brushless DC drives

DE DONATO, Giulio;GIULII CAPPONI, Fabio;
2015

Abstract

This paper investigates Hall-effect sensor faults in brushless dc drives and proposes a very effective methodology for their detection, identification and compensation. It is shown that these faults cause erroneous commutation, generally leading to unstable operation. By using a fault detection and identification technique proposed by the authors in a previous paper related to low cost field-oriented drives, [22], together with appropriate fault-compensated position and speed estimation algorithms, it is shown for the first time that proper operation is guaranteed for both single and double faults. Comparative experimental results are provided for operation with three state of the art, Hall-effect sensor based, estimation algorithms: the zeroth order algorithm, [19], the hybrid observer, [20], and the vector-tracking observer, [21]. It is verified that stable operation is achieved with three, two or only a single Hall-effect sensor functioning correctly.
2015
Energy Conversion Congress and Exposition 2015
dc motors; drives; electric drive; senergy conversion; fault detection; Hall effect; Hall effect devices; Hall effect transducers
04 Pubblicazione in atti di convegno::04b Atto di convegno in volume
Hall-effect sensor fault detection, identification and compensation in brushless DC drives / Scelba, G.; DE DONATO, Giulio; Pulvirenti, M.; GIULII CAPPONI, Fabio; Scarcella, G.. - STAMPA. - (2015), pp. 3987-3995. (Intervento presentato al convegno Energy Conversion Congress and Exposition 2015 tenutosi a Montreal, CANADA nel 20-24 Settembre 2015) [10.1109/ECCE.2015.7310223].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/836924
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