[특허]Apparatus and methods for apportioning commands between aircraft flight control surfaces

[미국특허] Apparatus and methods for apportioning commands between aircraft flight control surfaces 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-015/50 B64C-013/00
출원번호	US-0812938 (1985-12-23)
발명자 / 주소	Nadkarni Arun A. (King County WA) Richardson Thomas M. (King County WA)
출원인 / 주소	Boeing Company (Seattle WA 02)
인용정보	피인용 횟수 : 20 인용 특허 : 3

초록 ▼

A controller for apportioning high amplitude and low amplitude control signals between two aircraft control surfaces, such as for example, between an elevator and an associated movable horizontal stabilizer. The signals are separated along a first path and a second path. Signals along the first path are fed to a low pass filter where the low frequency signals are separated and an elevator position error signal is generated. Those signals exceeding a predetermined elevator position error are fed in the form of stabilizer rate signals to a stabilizer position module where a stabilizer positioning signal is generated and then fed to a stabilizer servo system to reposition the horizontal stabilizer. The stabilizer positioning signal is also fed to a multiplier where it is multiplied by a predetermined pitch effectiveness ratio representing the amount of elevator deflection required to achieve the same pitch moment as one degree of stabilizer deflection. The resulting multiplied signal is subtracted from control signals along the second path to generate an elevator positioning signal which is fed to an elevator servo system to reposition the elevator.

대표청구항 ▼

An aircraft having first and second movable flight control members and a controller for so operating said flight control members as to cause said aircraft to follow a selected flight path, said controller comprising: (a) means for receiving at least a first input signal derived from a flight operating parameter or an environmental operating condition which is capable of affecting the flight path of the aircraft; (b) first means for processing said first input signal and thereby generating a first output for moving said second flight control member a first amount to a first position relative to a first reference position, coincidentally generating a first aerodynamic force; (c) means for generating a second output indicative of a second amount of movement of said first flight control member to a second position relative to a second reference position in which said first flight control member is capable of coincidentally generating a second aerodynamic force substantially equivalent to said first aerodynamic force; (d) second means for processing said second output and said first input signal into a third output for moving said first flight control member a third amount, relative to said second reference position, which is less than said second amount of movement by an amount which is equivalent to said second output, in order to move said first flight control to a third position; (e) said first output and said third output thereby so causing the second and first flight control members to be positioned at said first and third positions as to cause the aircraft to fly said selected path.

이 특허에 인용된 특허 (3) 인용/피인용 타임라인 분석

Bonne Jimmie Harold (Bellevue WA) Simpson Robert D. (Bellevue WA), Adaptive energy management for vertical speed control of an aircraft.
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Kirchhein Albert T. (Montvale NJ), Flap compensation system for use when controlling the pitch attitude of an aircraft.
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Graham, Donald E.; Nelson, Raymond A.; Olive, Edmond E., Trim control system for reduced drag.
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이 특허를 인용한 특허 (20) 인용/피인용 타임라인 분석

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Tran Chuong B. (Lynnwood WA) White Stephen (Bothell WA), Aircraft frequency adaptive modal suppression system.
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Tran Chuong B. ; White Stephen, Aircraft frequency adaptive modal suppression system.
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Najmabadi Kioumars ; Evans Monte R. ; Coleman Edward E. ; Bleeg Robert J. ; Breuhaus Richard S. ; Anderson Dorr Marshall ; Nelson Timothy A., Aircraft pitch-axis stability and command augmentation system.
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Mathieu, Gerard; Delaplace, Franck; Le Tron, Xavier, Assisted take-off method for aircraft.
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Cartmell,Daniel H.; Coleman,Edward E., Control system and method with multiple linked inputs.
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Harden, Michael Clay; Shin, Jong-Yeob, Controlling elevator to stabilizer offload in fly-by-wire aircraft systems.
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Redmond, James Peter; Ridenour, Richard Darrell, Display for terrain avoidance.
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Stone, Patrick B., Line transfer system for airplane.
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Weiner, Steven D.; Eadie, William J., Main rotor rotational speed control for rotorcraft.
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Everett, Michael Louis; Everett, Louis Jackson; Ruiz, Jr., Mario, Method and apparatus for automatically controlling aircraft flight control trim systems.
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Boe,R챕gis; Sauvinet,Fr챕d챕ric, Process for reducing the aerodynamic loads applied to the elevators of an aircraft during takeoff.
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Cobb, James M.; Barnes, John G.; Jones, Alan K.; Sollenberger, Brian K.; Stone, Patrick B., System for assembling aircraft.
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Barnes, John G.; Wilson, Douglas L.; Purcell, Timothy W.; Walls, Stephen A.; Hawkinson, Dean A., System, method, and computer program product for predicting cruise orientation of an as-built airplane.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Apparatus and methods for apportioning commands between aircraft flight control surfaces 원문보기