Constant frequency torque and flux controllers for direct torque control of induction machines

N. R.N. Idris, A. H.M. Yatim, N. D. Muhamad, Chuen Ling Toh

Research output: Contribution to journalConference article

6 Citations (Scopus)

Abstract

This paper proposed a simple solution to the variable switching frequency and high torque ripples problems encountered In hysteresis-based DTC drives. The method replaces the hysteresis-based controllers with fixed switching controllers, which operate based on the comparison between the error signals and the triangular waveforms. Implementation of these controllers using digital circuits is highly suitable since they only require comparisons of waveforms rather than calculations of duty cycles or voltage vectors. Modeling and simulation of the DTC drives using these simple controllers are presented and the results show that they are capable of reducing the torque ripples significantly.

Original languageEnglish
Pages (from-to)1095-1100
Number of pages6
JournalPESC Record - IEEE Annual Power Electronics Specialists Conference
Volume3
Publication statusPublished - 22 Aug 2003
Event2003 IEEE 34th Annual Power Electronics Specialists Conference - Acapulco, NM, United States
Duration: 15 Jun 200319 Jun 2003

Fingerprint

Direct Torque Control
Induction Machine
Torque control
Torque
torque
controllers
induction
Fluxes
Controller
Controllers
Ripple
ripples
Hysteresis
Waveform
waveforms
hysteresis
error signals
Digital Circuits
digital electronics
Digital circuits

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

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Constant frequency torque and flux controllers for direct torque control of induction machines. / Idris, N. R.N.; Yatim, A. H.M.; Muhamad, N. D.; Toh, Chuen Ling.

In: PESC Record - IEEE Annual Power Electronics Specialists Conference, Vol. 3, 22.08.2003, p. 1095-1100.

Research output: Contribution to journalConference article

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T1 - Constant frequency torque and flux controllers for direct torque control of induction machines

AU - Idris, N. R.N.

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AU - Toh, Chuen Ling

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AB - This paper proposed a simple solution to the variable switching frequency and high torque ripples problems encountered In hysteresis-based DTC drives. The method replaces the hysteresis-based controllers with fixed switching controllers, which operate based on the comparison between the error signals and the triangular waveforms. Implementation of these controllers using digital circuits is highly suitable since they only require comparisons of waveforms rather than calculations of duty cycles or voltage vectors. Modeling and simulation of the DTC drives using these simple controllers are presented and the results show that they are capable of reducing the torque ripples significantly.

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