Direct torque control of brushless DC drives with reduced torque ripple

Author

Liu, Y. ; Zhu, Z.Q. ; Howe, D.

Author_Institution

Dept. of Electron. & Electr. Eng., Univ. of Sheffield, UK

Volume

4

fYear

2004

Firstpage

2390

Abstract

The application of direct torque control (DTC) to brushless AC drives (BLAC) has been investigated extensively. This work describes its application to brushless DC drives (BLDC), and highlights the essential differences in its implementation, in relation to the torque estimation and the representation of the inverter voltage space vectors. Simulated and experimental results are presented, and it is shown that, compared with conventional current control, instantaneous torque control results in reduced torque ripple and a faster torque response.

Keywords

DC motor drives; brushless DC motors; electric current control; invertors; permanent magnet motors; torque control; BLDCM; brushless DC motor drives; current control; direct torque control; instantaneous torque response; inverter voltage space vectors; permanent magnet motors; torque estimation; torque ripple reduction; Copper; Current control; Electric variables control; Permanent magnet motors; Permanent magnets; Programmable control; Pulse width modulation inverters; Table lookup; Torque control; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Industry Applications Conference, 2004. 39th IAS Annual Meeting. Conference Record of the 2004 IEEE

ISSN

0197-2618

Print_ISBN

0-7803-8486-5

Type

conf

DOI

10.1109/IAS.2004.1348810

Filename

1348810