Maximum Torque Per Ampere Control of a Direct Torque-Controlled PMSM in a Stator Flux Linkage Synchronous Frame

This paper proposes a novel method of using maximum torque per ampere (MTPA) control for direct torque control (DTC) of a permanent-magnet synchronous motor (PMSM) in the stator flux linkage synchronous (M-T) frame. The stator flux vector estimation of DTC enables use of the M-T frame. Consideration...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2016-05, Vol.52 (3), p.2360-2367
Main Authors: Inoue, Tatsuki, Inoue, Yukinori, Morimoto, Shigeo, Sanada, Masayuki
Format: Article
Language:English
Subjects:
Calculators
Couplings
Flux
Frames
Linkages
Magnetic flux
Mathematical analysis
Mathematical model
Mathematical models
Saturation magnetization
Stators
Synchronous
Torque
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Summary:This paper proposes a novel method of using maximum torque per ampere (MTPA) control for direct torque control (DTC) of a permanent-magnet synchronous motor (PMSM) in the stator flux linkage synchronous (M-T) frame. The stator flux vector estimation of DTC enables use of the M-T frame. Consideration of the magnetic saturation and cross-coupling effects in PMSMs requires significant complexity in most of the mathematical models using the rotor synchronous (d-q) frame. In the M-T frame, the mathematical model for MTPA control requires only three parameters that can be determined from only three measured points. The validity of the proposed method is confirmed by experimental results.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2016.2531618