An Improved Robust Field-Weakeaning Algorithm for Direct-Torque-Controlled Synchronous-Reluctance-Motor Drives

Xinan Zhang, Gilbert Hock Beng Foo, D. M. Vilathgamuwa, D. L. Maskell

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)

Abstract

This paper presents an improved field weakening (FW) algorithm for synchronous-reluctance-motor drives. The proposed algorithm is robust to the variations in the machine d- and q-axis inductances. The transition between the maximum torque per ampere, current and voltage limits, and the maximum torque per flux trajectories is smooth. The proposed technique is combined with the direct-torque-control method to attain a high performance drive in the FW region. Simulation and experimental results are supplemented to verify the effectiveness of the proposed approach.

Original languageEnglish
Article number7000564
Pages (from-to)3255-3264
Number of pages10
JournalIEEE Transactions on Industrial Electronics
Volume62
Issue number5
DOIs
Publication statusPublished - 1 May 2015
Externally publishedYes

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