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특허 상세정보

Method and apparatus for providing a dynamic thrust asymmetry rudder compensation command with no direct thrust measurem

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-013/16   
미국특허분류(USC) 244/76A ; 244/76 ; R ; 244/184
출원번호 US-0438625 (1995-05-10)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 10  인용 특허 : 6
초록

A method and apparatus for producing a dynamic thrust asymmetry airplane rudder compensation command with no direct thrust measurement is disclosed. An excess thrust estimate based on measured acceleration along the flight path of the airplane and measured vertical speed of the airplane is low pass filtered (11) to attenuate noise from the inertially derived data. The low pass filtered data is further filtered by a washout filter (15) to produce data that is sensitive only to changes in the excess thrust estimate. The input to the washout filter is froze...

대표
청구항

A method of producing a thrust asymmetry rudder compensation command for an airplane comprising: low pass filtering an inertially based excess thrust estimate to remove undesired noise; washout filtering said inertially based excess thrust estimate; and gain adjusting said inertially based excess thrust estimate to convert excess thrust into degrees of rudder movement.

이 특허를 인용한 특허 피인용횟수: 10

  1. Harrigan,Jeffery S.; Beaufrere,Henry L.. Aerospace vehicle yaw generating systems and associated methods. USP2007037185859.
  2. Harrigan,Jeffery S.; Beaufrere,Henry L.. Aerospace vehicle yaw generating systems and associated methods. USP2008057367530.
  3. Najmabadi, Kioumars; Tran, Chuong B.; Ho, John Koon-Hung. Aircraft multi-axis modal suppression system. USP2005076915989.
  4. Najmabadi,Kioumars; Tran,Chuong B.; Ho,John Koon Hung. Aircraft multi-axis modal suppression system. USP2007037191985.
  5. Kiebles, Steven Louis; Lax, David Michael; Darias, Otto Y; Darnell, Mark Lawrence; Hwang, Sean Sanghyun; Holbert, Christopher Daniel; Mathews, Jr., Harry Kirk; Adibhatla, Sridhar; Bult, Jeffrey Russell; Swager, Thomas Charles. Controlling aircraft using thrust differential trim. USP20180610005561.
  6. Smith, Alexander E.; Cohen, Bennett. Correlation of flight track data with other data sources. USP2005046885340.
  7. Brot, Patrice; Fabre, Pierre. Electrical rudder control system for an aircraft. USP2015038979036.
  8. Smith, Alexander E.; Evers, Carl. Method and apparatus for improving the utility of a automatic dependent surveillance. USP2004106806829.
  9. Eggold, David P.; Shapiro, Daniel R.; Gardner, Kyle J.. Varying engine thrust for directional control of an aircraft experiencing engine thrust asymmetry. USP2013018352099.
  10. Eggold, David P.; Shapiro, Daniel R.; Gardner, Kyle J.. Varying engine thrust for directional control of an aircraft experiencing engine thrust asymmetry. USP2014128918235.