JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.2 P.83-89

http://doi.org/10.1631/jzus.2005.A0083

Influence of DSP controller on performance of a permanent magnet brushless AC drive in flux-weakening mode

Author(s): Z.Q. Zhu, Y.F. Shi, D. Howe
Affiliation(s): . Department of Electronic & Electrical Engineering, University of Sheffield, Mappin Street, Sheffield S1 3JD, UK
Corresponding email(s): Z.Q.Zhu@sheffield.ac.uk
Key Words: Brushless drive, DSP, Electrical machine, Flux-weakening, Oscillation, Quantisation

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ZHU Z.Q., SHI Y.F., HOWE D.. Influence of DSP controller on performance of a permanent magnet brushless AC drive in flux-weakening mode[J]. Journal of Zhejiang University Science A, 2005, 6(2): 83-89.

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author="ZHU Z.Q., SHI Y.F., HOWE D.",
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pages="83-89",
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publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.A0083"
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.A0083

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T1 - Influence of DSP controller on performance of a permanent magnet brushless AC drive in flux-weakening mode
A1 - ZHU Z.Q.
A1 - SHI Y.F.
A1 - HOWE D.
J0 - Journal of Zhejiang University Science A
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2005.A0083

Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: The flux-weakening performance of a permanent magnet brushless AC drive was investigated using both floating-point and fixed-point DSP controllers. A significant current oscillation was observed when the drive was operated at high-speed in the flux-weakening mode with the fixed-point DSP. The investigation showed that this was due to the on-line compensation of the winding resistance voltage drop and quantisation errors associated with the fixed-point architecture of the DSP. A simple look-up table scheme is proposed to eliminate the oscillation and to achieve extended flux-weakening capability.

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References

[1] Kim, J.M., Sul, S.K., 1997. Speed control of interior permanent magnet synchronous motor drive for the flux-weakening operation. IEEE Trans on Industry Applications, 33(1):43-48.

[2] Morimoto, S., Sanada, M., Takeda, Y., 1996. Inverter-driven Synchronous Motors for Constant Power. , IEEE Industry Application Magazine, 18-24. :18-24.

[3] Proakis, J.G., Manolakis, D.G., 1996. Digital Signal Processing: Principles, Algorithms, and Applications, 3rd Ed, Prentice-Hall,:

[4] Shi, Y.F., Zhu, Z.Q., Chen, Y.S., 2002. Influence of Winding Resistance on Flux-weakening Performance of A Permanent Magnet Brushless AC Drive. , Proc. Int. Conf. Power Electronics, Machines and Drives, IEE, 392-397. :392-397.

[5] Sudhoff, S.D., Corzine, K.A., Hegner, H.J., 1995. A flux-weakening strategy for current-regulated surface-mounted permanent-magnet machine drives. IEEE Trans on Energy Conversion, 10(3):431-437.

[6] Instruments, T.e.x.a.s., 1999. TMS320F/24x DSP Controllers CPU and Instruction Set Reference Guide. , (Rev. C),:

[7] Wong, P.W., 1990. Quantization noise, fixed-point multiplicative roundoff noise, and dithering. IEEE Trans on Signal Processing, 38(2):286-300.

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