Process for countering the vibrations induced in an aircraft...

Details Process for countering the vibrations induced in an aircraft... Process for countering the vibrations induced in an aircraft...

2006-08-15

2006-08-15

Carone, Michael J. (Department: 3644)

Aeronautics and astronautics

Aircraft control

Automatic

C244S07600R, C701S003000, C701S010000

Reexamination Certificate

active

07090172

ABSTRACT:
A system and process for countering the vibrations induced in an aircraft by the windmilling of an engine fan may produce a first electric flight control command for a servocontrol to use in actuating a control surface of the aircraft. The servocontrol is slaved to the first electric flight control command, and the servocontrol's operation is limited to a reduced frequency band. Vibrations induced by the windmilling of the engine fan are monitored, and, when the monitored vibrations exceed a threshold, a second electric flight control command for application to the servocontrol is computed to oppose the induced vibrations. Also, the first and second electric flight control commands are summed to produce an overall control command for the control surface, and the servocontrol is temporarily slaved to the overall control command for operation in a widened frequency band.

REFERENCES:
patent: 3215374 (1965-11-01), Olshausen
patent: 3236478 (1966-02-01), Adams
patent: 3240447 (1966-03-01), Olshausen
patent: 3279725 (1966-10-01), Andrew et al.
patent: 3734432 (1973-05-01), Low
patent: 4502652 (1985-03-01), Breitbach
patent: 4591113 (1986-05-01), Mabey
patent: 4615497 (1986-10-01), Seeler et al.
patent: 4706902 (1987-11-01), Destuynder et al.
patent: 4841685 (1989-06-01), Masri et al.
patent: 4865268 (1989-09-01), Tracksdorf
patent: 5072893 (1991-12-01), Chakravarty et al.
patent: 5135186 (1992-08-01), Ako
patent: 5186416 (1993-02-01), Fabre et al.
patent: 5203524 (1993-04-01), Laceby et al.
patent: 5224667 (1993-07-01), Lacabanne
patent: 5375794 (1994-12-01), Bleeg
patent: 5667166 (1997-09-01), Tran et al.
patent: 5860625 (1999-01-01), Tran et al.
patent: 6161801 (2000-12-01), Kelm et al.
patent: 6189836 (2001-02-01), Gold et al.
patent: 6286782 (2001-09-01), Bansemir et al.
patent: 6349900 (2002-02-01), Uttley et al.
patent: 6416017 (2002-07-01), Becker
patent: 6607161 (2003-08-01), Krysinski et al.
patent: 6669139 (2003-12-01), Kubica
patent: 6772979 (2004-08-01), Kubica et al.
patent: 6816823 (2004-11-01), Becker
patent: 2005/0116094 (2005-06-01), Pauly
patent: 2672028 (1992-07-01), None
Preliminary Search Report dated Nov. 12, 2003 with English translation.

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