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Method and apparatus for operating polyphase DC motors using a PWM chopping signal in zero crossing determination

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02P-006/02
출원번호 US-0395646 (1995-02-28)
발명자 / 주소
  • Carobolante Francesco (San Jose CA) Cameron Scott W. (Milpitas CA)
출원인 / 주소
  • SGS-Thomson Microelectronics, Inc. (Carrollton TX 02)
인용정보 피인용 횟수 : 54  인용 특허 : 0

초록

A method and circuit for operating a polyphase dc motor having a plurality of driving coils is presented. In one of the available operating modes, drive current supplied to the driving coils is chopped, in PWM fashion to control the maximum current delivered thereto by turning the drive current on a

대표청구항

A circuit for operating a polyphase dc motor having a plurality of driving coils, comprising: a plurality of drive transistors, each coupled to an associated one of the plurality of driving coils, for providing instantaneous drive currents thereto; a sequencer for generating control signals to said

이 특허를 인용한 특허 (54)

  1. Paintz, Christian; Freitag, Thomas, Accuracy of rotor position detection relating to the control of brushless DC motors.
  2. Rowan Bryan Scott, Adaptive pulse width modulated motor control.
  3. Sakurai Tetsuji (Tokyo JPX) Kaida Katsuhiko (Tokyo JPX), Apparatus for controlling motor drive and method for controlling thereof.
  4. Lee Eugene C., BEMF crossing detection in PWM mode operation for sensorless motor control application.
  5. Sakti Rana,SGX ; Chow Keng-Kwok,SGX, Bemf zero-crossing detection system of a multiple-phase motor.
  6. Neidorff Robert A. ; Zendzian David S. ; O'Connor John A., Brushless DC motor controller.
  7. Konecny Karl, Brushless sensorless DC motor assembly with precisely controllable positioning.
  8. Seima, Toshiaki; Iwayama, Yoshiaki, Brushless-motor driver in PWM mode.
  9. Bang Seok-Hoon,KRX, Circuit and method for sensorless brushless direct current (BLDC) motor.
  10. Shao, Jianwen; Nolan, Dennis C.; Haughton, Kwan A.; Hopkins, Thomas L., Circuit for improved back EMF detection.
  11. Menegoli Paolo, Circuit for improving back emf detection in pulse width modulation mode.
  12. Rossi Annamaria,ITX, Closed loop and open synchronization of the phase switchings in driving a DC motor.
  13. Paintz, Christian; Freitag, Thomas, Control of sinusoidally driven brushless DC (BLDC) motors.
  14. Hofer, Richard A., Controller for a multi-phase brushless DC motor.
  15. Hofer,Richard A., Controller for a multi-phase brushless DC motor.
  16. Copeland, Michael P., Controlling a brushless DC motor.
  17. Levy Alain,FRX ; Schimanek Ernst,DEX ; Dietze Wolfram,DEX, DC/AC inverter for power supply to an electrical motor for the traction of a vehicle.
  18. Ezio Galbiati IT; Michele Boscolo IT; Marco Viti IT, Device for detection of current or voltage on a PWM driven winding with reduced jitter and related methods.
  19. Masino,James E., Digital adaptive sensorless commutational drive controller for a brushless DC motor.
  20. Hassan, Mehedi, Digital method of measuring driver slew rates for reduced test time.
  21. Buthker Henricus C. J.,NLX, Drive circuit supplying drive signals to a plurality of windings of a multi-phase d.c. motor.
  22. Paintz, Christian, Driving brushless DC (BLDC) motors.
  23. Hashimura Tomohide,JPX, Driving device for three-phase brushless motor.
  24. Brenden, Jason P.; Peterson, Michael J., Hard drive spindle motor controller with reverse current prevention.
  25. Pisau, Lucretiu, Method and apparatus for brushless DC motor control.
  26. Chen Hao ; Swize Gregory ; White Bertram John, Method and apparatus for controlling a motor in a mass storage device.
  27. Wu, Zhigan; Wang, Jin; Ying, Jianping, Method and apparatus for driving a sensorless BLDC motor at PWM operation mode.
  28. Lindemann,Harald; Sturm,Joergen, Method for effecting the power-optimal control of BLDC motors.
  29. Dooley, Kevin A.; Rozman, Gregory I., Motor drive architecture with active snubber.
  30. Kurosawa,Minoru; Kokami,Yasuhiko, Motor drive device and integrated circuit device for motor driving.
  31. Kurosawa,Minoru; Kokami,Yasuhiko, Motor drive device and integrated circuit device for motor driving.
  32. Tanina Shoji,JPX, Motor driving apparatus.
  33. Iwanaga, Taishi; Yamamoto, Yasunori, Motor driving device and motor driving method.
  34. Iwanaga, Taishi; Yamamoto, Yasunori, Motor driving device and motor driving method.
  35. Yamamoto,Yasunori; Mori,Hideaki; Kuroshima,Shinichi; Igarashi,Yoshiaki, Motor driving device and motor driving method.
  36. Savitz, George, Motor speed controller.
  37. Krishnamoorthy, Ravishanker; Leong, Foo Leng, Motor spindle control system and method.
  38. Krishnamoorthy, Ravishanker; Leong, Foo Leng, Motor spindle control system and method.
  39. Krishnamoorthy, Ravishanker; Leong, Foo Leng, Motor spindle control system and method.
  40. Kern, Lynn R.; Konradi, Vadim, Natural commutation for three phase brushless direct current (BLDC) motors.
  41. Paintz, Christian; Freitag, Thomas, Operation of BLDC motors.
  42. Mortazavi Sassan ; Ataee Mehran, PWM/linear driver for disk drive voice coil actuator.
  43. Yu, Zhenyu, Phase current sensor using inverter leg shunt resistor.
  44. Paintz, Christian; Freitag, Thomas; Klose, Detlef; Reinhardt, Enrico, Relating to driving brushless DC (BLDC) motors.
  45. Syukuri Youichi,JPX, Rotor magnetic pole position detection device.
  46. Dooley,Kevin Allan, Sensorless control in a permanent magnet machine.
  47. Yu, Hsing Cheng; Lin, Hsing Yu; Lin, Shir Kuan; Wang, Shyh Jier, Sensorless driving method for brushless DC motor.
  48. Chen,Chi Yang; Juang,Feng Rurng, Sensorless motor control circuit without employing any mask process.
  49. Nishimura Kazuhiko,JPX, Sensorless motor driver.
  50. Choi Hyung-Mook,KRX ; Park Shi-Hong,KRX, Switching control signal generator for small precision motor.
  51. Imamura, Katsuyuki; Fujisaka, Kosei, System clock monitoring apparatus and motor control system.
  52. Menegoli Paolo, Using different frequency clocks to clock counters of a driver circuit at spin-up and at regulation.
  53. Hong, Jye Sheng; Chui, Siew Yong, Voice coil motor control system and method.
  54. Hong, Jye Sheng; Chui, Siew Yong, Voice coil motor control system and method.
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