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Digital speed control of motors 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02P-006/02
출원번호 US-0736754 (1985-05-21)
발명자 / 주소
  • Crook James C. (6212 M North Hills Raleigh NC 27609)
인용정보 피인용 횟수 : 23  인용 특허 : 44

초록

A motor control apparatus is disclosed for controlling the rotational velocity of a drive shaft of an electric motor in accordance with a reference time period indicative of the desired rotational speed of the drive shaft. A sensor in the form of a tachometer provides a train of pulses. The period b

대표청구항

Motor control apparatus for controlling the rotational velocity of a drive shaft of an electric motor in accordance with a reference time period indicative of the desired rotation velocity of the drive shaft, said motor control apparatus comprising: (a) first means coupled to the drive shaft for pro

이 특허에 인용된 특허 (44)

  1. Takahashi Shuichi (1-16 ; Takaido-higashi 1-chome Suminami ; Tokyo JA), Adaptive control system for an alternating-current motor.
  2. Plunkett Allan Barr (Erie PA), Adjustable speed A-C motor drive with smooth transition between operational modes and with reduced harmonic distortion.
  3. Fromont Jacques L. (Vanves FRX), Apparatus for measuring the frequency of a pulse-generator and numerical control system using such apparatus.
  4. Ogawa Hiroshi (Tokyo JPX), Apparatus for reproducing disc record.
  5. Pearson Michael J. (Horsham GB2) Branch Clive L. (Horsham GB2), Azeto triazolo pyrazine b 상세보기
  • Hipkins Dennis R. (Hopkins MN) Schiedermayer Marvin L. (Appleton WI), Brushless DC motor control system.
  • Murty, V. Balarama, Brushless DC motor controller.
  • Weit James G. (Pittsburgh PA), Brushless DC tachometer.
  • Kidd H. Keith (Christianburg VA) Coulon ; Jr. Philip S. (Radford VA), Brushless motor controller.
  • Treadwell ; Richard J., Brushless phase locked servo drive.
  • Alley Robert P. (Manlius NY), Combination microprocessor and discrete element control system for a clock rate controlled electronically commutated mot.
  • Iwakane Takanobu (Kitakyushu JPX) Kai Tohru (Kitakyushu JPX) Hirose Kenji (Kitakyushu JPX) Nakagawa Koichiro (Kitakyushu JPX), Control device of AC motor.
  • Kobari Katsuo (Tokyo JPX), Control system for synchronous motor employed as servomotor.
  • Schachte John J. (Charlotte NC) Ross Geoffrey A. (Canton Center CT), DC Motor controller.
  • Acharya Rajguru M. (Neptune Township ; Monmouth County NJ) Del Signore ; II James R. (Ithaca NY), Digital DC motor speed control circuit.
  • Hamby ; Russell ; Ostrander ; Kenneth A., Digital control system for motors.
  • Hyatt Gilbert P. (P.O. Box 4584 Anaheim CA 92803), Digital feedback control system.
  • Acker Robert H. (Packanack Lake NJ) Wessling William C. (Sparta NJ) Brand Arnold J. (Parsippany NJ) Naydan Bob N. (Wyckoff NJ), Digital motor speed controller.
  • Mawatari Masahiko (Kawasaki JPX) Tamura Masaaki (Fujisawa JPX), Digital servo apparatus.
  • Elliott Mark L. (Richfield MN), Digital speed control for a brushless DC motor.
  • Hoshimi Susumu (Yokohama JPX) Sato Toshio (Yokohama JPX), Drive circuit for a brushless motor.
  • Angersbach Wolfgang (Alfred-Messel-Weg 40 6100 Darmstadt DEX) Matthess Bernd (Fasanenring 12 6114 Gross Umstadt/Semd DEX), Drive mechanism for working machines, especially industrial sewing machines.
  • Nielson, Marlin C., Dynamic determination of friction in a closed loop control system.
  • Okamoto Kiyokazu (Tokyo JPX) Isomura Masayoshi (Tokyo JPX), Motor control apparatus.
  • Foster ; Alan, Motor drive control arrangements.
  • Shirakawa Masami (Tokyo JPX), Motor speed control circuit.
  • Schmider Fritz (Hornberg DEX), Motor with a disk rotor.
  • Schmider Fritz (Hornberg DEX) Mller Rolf (St. Georgen DEX), Motor with a disk rotor.
  • Kaufmann Kenneth M. (Minneapolis MN), Pulse width modulation speed control.
  • Rock Brian (Dukinfield GB2), Reversible motor.
  • Minakuchi Hiroshi (Kadoma JPX), Rotational speed indicating apparatus.
  • Crook James C. (Raleigh NC), Rotor position sensor error detection.
  • Veale John R. (Manhattan Beach CA), Servo operated digital positioning control system.
  • Foster Alan (Hitchin EN), Servo system.
  • Kobori, Yasunori; Okamoto, Kaneyuki; Fukushima, Isao; Sekiya, Masataka; Nishijima, Hideo; Kano, Kenji; Sakae, Tetsuo, Speed and phase control system.
  • Minakuchi Hiroshi (Shiga JPX), Speed controller for rotary machine.
  • Dunn David S. (Windham NH) Vasconselos Fernando M. (Lowell MA), Spindle drive system.
  • Voigt Henry K. (North Merrick NY), Stable subsynchronous drive system for gyroscope rotor.
  • Tanikoshi Kinji (Kawasaki JA), Synchronous drive control system for dc motor.
  • Fultz ; Jack V., Synthesizer for multiphase waveforms.
  • Dupont Jean (La Haye les Roses FRX), System for servocontrolling a separately excited DC motor.
  • Chausse B. Paul (Roanoke VA) Espelage Paul M. (Salem VA) Lippitt David L. (Scotia NY) Tupper Leland C. (Schenectady NY), Transitioning between multiple modes of inverter control in a load commutated inverter motor drive.
  • Mizumoto Katsuji (Saitama JPX), Two-phase brushless motor driving circuit.
  • Jtten Robert H. (Darmstadt DEX) Mder Gerhard U. (Wehrheim DEX), Vector control system for AC motor drives.
  • 이 특허를 인용한 특허 (23)

    1. Brown, Fred A.; Jauregui, Francisco, Apparatus for motor synchronization.
    2. Ricker Dennis J. (Huber Heights OH) Foster Richard L. (Beavercreek OH), Bimodal controller for a multi-phase brushless DC motor.
    3. Peterson Donald S. (Philomath OR), Brushless DC motor speed control via power supply voltage level control.
    4. Krause Kenneth W. (Sandown NH), Brushless motor control system.
    5. Otokawa Mitsuhiro (Yokohama JPX) Takimoto Hiroyuki (Yokohama JPX), Brushless motor with torque compensation.
    6. Ardit Giuseppe (Venice ITX) Cigana Fiorenzo (San Dona di Piave ITX) Magris Renzo (Pordenone ITX), Circuit for controlling rotational direction and rotational speed of an electric motor.
    7. D'Angelo, Giuseppe; Moselli, Giovanni; Clemente, Virginia; Buccino, Vincenzo; Verde, Carolina, Control circuit of an electric motor with a measure delay compensation and motor system comprising the circuit.
    8. Kramer Michael J. ; List Jerry A. ; Loomer Weston R. ; Von Handorf Thomas T., Control system for a monorail vehicle.
    9. Iwai Hiroshi (Fujieda JPX), DC motor apparatus with an index signal output.
    10. Anthony, James D.; Morganti, Terry N., Device for treating the surface of an article in connection with printing.
    11. Moein, Arman; Peck, David Emery, Direct drive windshield wiper assembly.
    12. Moein,Arman; Peck,David Emery, Direct drive windshield wiper assembly.
    13. Liao, Yen-Fu, Electric hair cutter and control method for motor rotational speed thereof.
    14. Dufner,Thomas; Hornberger,J?rg; Jeske,Frank; Rappenecker,Hermann; Karwath,Arno, Electronically commutated motor.
    15. Tajima Fumio (Ibaraki JPX) Katayama Hiroshi (Hitachi JPX) Miyashita Kunio (Hitachi JPX) Narushima Seiichi (Ibaraki JPX) Saito Kouichi (Kitaibaraki JPX), Method and apparatus for controlling the speed of moving body.
    16. Ki-bong Yun KR, Method for controlling speed of sled motor in optical disk drive.
    17. Shimizu, Tatsuro; Ishii, Hiroyuki; Komura, Nobuo; Suzuki, Toshiya, Motor driving circuit.
    18. Takai, Kazumasa, Motor speed controller.
    19. Takai, Kazumasa, Motor speed controller.
    20. Ricker Dennis J. (Huber Heights OH) Foster Richard L. (Beavercreek OH), Motor-driven antilock brake pressure modulator having differential motor performance characteristics.
    21. Duis Wilhelm,DEX, Operating microscope.
    22. Collins ; Jr. Donald A. (Ithaca NY), Scanning system having automatic laser shutdown upon detection of defective scanning element motion.
    23. Hisatake Michio (Kanagawa JPX) Ishikawa Satoru (Tokyo JPX), Speed control device for an electric sewing machine.
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