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Fault Tolerant Control of a Seven-phase Drive by Degrees of Freedom Adaptation

Type
Communications avec actes
Author
KESTELYN, Xavier
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - EA 2697 [L2EP]
CREVITS, Yvan
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - EA 2697 [L2EP]
SEMAIL, Eric
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - EA 2697 [L2EP]

URI
http://hdl.handle.net/10985/6974
DOI
10.1109/ICIT.2010.5472476
Date
2010

Abstract

This paper proposes a simple way to control multi-phase drives in open-phase conditions. Contrary to existing methods, current references are not recomputed and the control scheme is kept the same to run in open-circuited phase condition. In order to work in fault-conditions, the number of degrees of freedom of the control scheme is adapted to the number of degrees of freedom of the drive. Since a particular attention has to be dedicated to the structure and controller tuning, harmonic content of induced perturbations in fault mode is exhibited. Simulation and experimental results are presented to show the effectiveness and the limitations of the proposed method.

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