Using phase-current sensing circuit as the position sensor for brushless DC motors without shaft position sensor

Ray-Lee Lin, Ming Tzwu Hu, Su Ching Chen, Ching Yuan Lee

Research output: Contribution to conferencePaper

21 Citations (Scopus)

Abstract

The authors present a prototype phase-current sensing circuit to detect and process phase-current waveforms for obtaining exact rotor position signals. Without an additional phase-calibration loop for processed signals, the output signals of this circuit can keep in phase with the signals of a Hall sensor for a wide range of speed variations. Furthermore, with the nearly exact rotor position signals this prototype sensing circuit, better torque operation can be obtained. Experimental results obtained with this circuit are given and compared with the signals from the Hall sensor of a brushless DC motor.

Original languageEnglish
Pages215-218
Number of pages4
Publication statusPublished - 1989 Nov 1
Event15th Annual Conference of IEEE Industrial Electronics Society - IECON '89. Part 1 - Philadelphia, PA, USA
Duration: 1989 Nov 61989 Nov 10

Other

Other15th Annual Conference of IEEE Industrial Electronics Society - IECON '89. Part 1
CityPhiladelphia, PA, USA
Period89-11-0689-11-10

Fingerprint

Brushless DC motors
Networks (circuits)
Sensors
Rotors
Torque
Calibration

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

Lin, R-L., Hu, M. T., Chen, S. C., & Lee, C. Y. (1989). Using phase-current sensing circuit as the position sensor for brushless DC motors without shaft position sensor. 215-218. Paper presented at 15th Annual Conference of IEEE Industrial Electronics Society - IECON '89. Part 1, Philadelphia, PA, USA, .
Lin, Ray-Lee ; Hu, Ming Tzwu ; Chen, Su Ching ; Lee, Ching Yuan. / Using phase-current sensing circuit as the position sensor for brushless DC motors without shaft position sensor. Paper presented at 15th Annual Conference of IEEE Industrial Electronics Society - IECON '89. Part 1, Philadelphia, PA, USA, .4 p.
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abstract = "The authors present a prototype phase-current sensing circuit to detect and process phase-current waveforms for obtaining exact rotor position signals. Without an additional phase-calibration loop for processed signals, the output signals of this circuit can keep in phase with the signals of a Hall sensor for a wide range of speed variations. Furthermore, with the nearly exact rotor position signals this prototype sensing circuit, better torque operation can be obtained. Experimental results obtained with this circuit are given and compared with the signals from the Hall sensor of a brushless DC motor.",
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Lin, R-L, Hu, MT, Chen, SC & Lee, CY 1989, 'Using phase-current sensing circuit as the position sensor for brushless DC motors without shaft position sensor', Paper presented at 15th Annual Conference of IEEE Industrial Electronics Society - IECON '89. Part 1, Philadelphia, PA, USA, 89-11-06 - 89-11-10 pp. 215-218.

Using phase-current sensing circuit as the position sensor for brushless DC motors without shaft position sensor. / Lin, Ray-Lee; Hu, Ming Tzwu; Chen, Su Ching; Lee, Ching Yuan.

1989. 215-218 Paper presented at 15th Annual Conference of IEEE Industrial Electronics Society - IECON '89. Part 1, Philadelphia, PA, USA, .

Research output: Contribution to conferencePaper

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Lin R-L, Hu MT, Chen SC, Lee CY. Using phase-current sensing circuit as the position sensor for brushless DC motors without shaft position sensor. 1989. Paper presented at 15th Annual Conference of IEEE Industrial Electronics Society - IECON '89. Part 1, Philadelphia, PA, USA, .