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특허 상세정보

Velocity feedback control system for a rotor of a toy helicopter

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-011/00    G05D-001/00   
미국특허분류(USC) 244/194; 244/017.11; 244/017.23; 244/017.13
출원번호 US-0785079 (2010-05-21)
등록번호 US-8123176 (2012-02-28)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Cozen O'Connor
인용정보 피인용 횟수 : 1  인용 특허 : 18
초록

There is provided a method and apparatus for controlling a toy helicopter in flight. The toy helicopter is powered by a first rotor and a second rotor. A target speed ratio is determined for the speed of the first rotor and the speed of the second rotor. The speed of the rotors is adjusted incrementally until the target ratio is achieved

대표
청구항

1. A method for controlling a toy helicopter, the helicopter having a first rotor and a second rotor, the first rotor being driven by a first motor, and the second rotor being driven by a second motor, power being provided to the first motor and the second motor using pulse width modulation; the first rotor having a first rotor speed and the second rotor having a second rotor speed, the first rotor speed and the second rotor speed being adjusted such that the helicopter is stable in flight, a ratio of the adjusted first rotor speed to the adjusted second...

이 특허에 인용된 특허 (18)

  1. Chiappetta Frank Richard. Air-land vehicle with ducted fan vanes providing improved performance. USP1998055746390.
  2. Dixon Don (2282 Plumgrove West Bloomfield MI 48324). Aircraft having improved auto rotation and method for remotely controlling same. USP1997095672086.
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  7. Jolly,Mark; Hildebrand,Stephen; Altieri,Russell; Ferguson,Matthew; Ivers,Douglas. Helicopter vibration control system and rotary force generator for canceling vibrations. USP2008117448854.
  8. Van de Rostyne, Alexander Jozef Magdalena; Wai, Chi Pok Billy. Helicopter with horizontal control. USP2010027662013.
  9. Magliozzi Bernard (West Suffield CT) Metzger Frederick B. (Simsbury CT). Method for reducing aircraft cabin noise and vibration. USP1992095148402.
  10. Irwin ; Arlyle Floyd. Model helicopter throttle governor/collective pitch control apparatus. USP1978014071811.
  11. Zimmer Richard (Fellbach DEX) Mller Armin (Backnang DEX) Klarer Martin (Kernen-Stetten DEX). Process for correcting the rotational speeds of vehicle wheels determined by wheel sensors. USP1993015179526.
  12. Arlton, Paul E.; Arlton, David J.. Rotary wing aircraft having a non-rotating structural backbone and a rotor blade pitch controller. USP2010097789341.
  13. Carter, Jr.,Jay W.; Lewis,Jeffrey R.. Rotor collective pitch VS Mu to control flapping and mast/rotor tilt to control rotor RPM. USP2008117448571.
  14. Driscoll, James T.; Hull, Jason; Mattice, Jeffrey S.. Rotor torque predictor. USP2005046879885.
  15. Cycon James P. (Orange CT) Schneider George S. (Hamden CT) Tenerowicz Gregory P. (Seymour CT). Servo control system for a co-axial rotary winged aircraft. USP1991105058824.
  16. Mller H. Burkhard (Frankfurt am Main DEX). System for determining the airspeed of helicopters. USP1993055214596.
  17. Frost Stanley A.. Tandem-rotor gyroplane. USP2000076089501.
  18. Patrick John Muldoon. Vertical/short take-off and landing aircraft. USP2002026343768.