Control Method of Failure for One Unit of Double Three-Phase-Wound Permanent Magnet Synchronous Machine Drive System Using Coupling of Dual Resolver

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  • 2重3相モータ駆動システムにおける冗長レゾルバの磁気干渉を用いた他系統故障時制御

Abstract

<p>This paper presents a control method for the failure of one of the two units of a double three-phase-wound permanent magnet synchronous machine drive system without contact between these two units by estimating the state of the other unit based on magnetic coupling of a dual resolver. This paper proposes an another unit state estimation algorithm, in which the second unit extracts coupling signals from the output windings of the dual resolver. If the level of the extracted signals is smaller than threshold value, the first unit is determined to have failed. Experiments were conducted and the results showed the effectiveness of the proposed method.</p>

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