Electric flight control system and method for an aircraft
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01C-023/00
G05D-001/00
G05D-003/00
G06F-007/00
G06F-017/00
B64C-013/18
B64C-013/50
G05D-001/06
G05D-001/08
출원번호
US-0480753
(2014-09-09)
등록번호
US-9315258
(2016-04-19)
우선권정보
FR-13 58827 (2013-09-13)
발명자
/ 주소
Moune, Marie-Claire
Poujol, Christophe
Barba, Matthieu
Ronceray, Lilian
출원인 / 주소
AIRBUS OPERATIONS SAS
대리인 / 주소
Greer, Burns & Crain, Ltd.
인용정보
피인용 횟수 :
1인용 특허 :
5
초록▼
A flight control system includes at least one flight domain protection module intended at least for manual piloting and an auxiliary element configured to automatically transmit to the protection module, upon a detection of automatic piloting of the aircraft using an automatic piloting device, a pre
A flight control system includes at least one flight domain protection module intended at least for manual piloting and an auxiliary element configured to automatically transmit to the protection module, upon a detection of automatic piloting of the aircraft using an automatic piloting device, a predetermined auxiliary position, representing a control stick position equivalent, the protection module using the auxiliary position as a control stick position to implement a flight domain protection during the automatic piloting.
대표청구항▼
1. An electric flight control system for an aircraft, comprising: at least one mobile control surface configured to be deflected as a function of deflection commands received;at least one control stick configured to be actuated manually by a pilot of the aircraft, a position of the control stick gen
1. An electric flight control system for an aircraft, comprising: at least one mobile control surface configured to be deflected as a function of deflection commands received;at least one control stick configured to be actuated manually by a pilot of the aircraft, a position of the control stick generating first guidance commands representative of the position;an automatic piloting device configured to automatically generate second guidance commands; andat least one flight control computer configured to automatically compute control surface deflection commands, with an aid of an integrated computation unit which contains piloting laws, the integrated computation unit using guidance commands to compute the control surface deflection commands, the guidance commands corresponding to the first guidance commands during manual piloting of the aircraft and to the second guidance commands during automatic piloting of the aircraft, the flight control computer comprising at least one flight domain protection module for protecting a flight domain of the aircraft defining a protection as a function of a control stick position received during manual piloting, the protection module being able to limit the deflection command transmitted to the control surface,wherein the flight control system further includes:a first detection element configured to automatically detect automatic piloting of the aircraft with the aid of the automatic piloting device; andan auxiliary element configured to automatically transmit to the flight domain protection module, upon the detection of automatic piloting, a predetermined auxiliary position, representing a control stick position equivalent, the flight domain protection module using the auxiliary position as a control stick position to implement the protection during the automatic piloting,wherein the auxiliary position varies as a function of the protection considered based on a guidance mode of the automatic piloting device. 2. The system according to claim 1, wherein the flight control computer includes a plurality of different flight domain protection modules, and the auxiliary element is configured to transmit, during automatic piloting, the auxiliary position to at least some of the protection modules. 3. The system according to claim 1, further comprising a second detection element configured to detect automatically, during automatic piloting, a usual mode of the automatic piloting device, and the auxiliary element is configured to transmit the predetermined auxiliary position associated with the usual mode. 4. The system according to claim 1, wherein the flight control computer includes the at least one flight domain protection module configured for carrying out at least one of the following protections: a high speed protection;a low speed protection;a maximum trim protection;a minimum trim protection;an angle of attack protection; anda roll protection. 5. The system according to claim 1, further comprising an alert unit configured to forewarn a pilot of the implementation of a protection by the protection module during automatic piloting. 6. The system according to claim 1, further comprising an automatic thrust device and airbrakes, and a detection device configured for detecting a situation of risk of implementation of a protection by the protection module, and wherein the flight control system is configured to act on at least one of the following assemblies: the automatic thrust device and the airbrakes of the aircraft, in such a way as to at least delay the implementation of the protection by the protection module. 7. A method for controlling the flight of an aircraft, comprising: providing at least one mobile control surface configured to be deflected as a function of deflection commands received;providing at least one control stick configured to be actuated manually by a pilot of the aircraft, a position of the control stick generating first guidance commands representative of the position;providing an automatic piloting device configured to automatically generate second guidance commands;providing at least one flight control computer configured to automatically compute control surface deflection commands, with the aid of an integrated computation unit which contains piloting laws, the integrated computation unit using guidance commands to compute the control surface deflection commands, the guidance commands corresponding to the first guidance commands during manual piloting of the aircraft and to the second guidance commands during automatic piloting of the aircraft, the flight control computer comprising at least one flight domain protection module for protecting a flight domain of the aircraft defining a protection as a function of a control stick position received during manual piloting, the protection module being able to limit the deflection command transmitted to the control surface;monitoring a type of piloting implemented by a flight control system to be able to automatically detect automatic piloting of the aircraft with the aid of the automatic piloting device;automatically transmitting to the flight domain protection module, upon the detection of automatic piloting, a predetermined auxiliary position, representing a control stick position equivalent, the flight domain protection module using the auxiliary position as a control stick position to implement the protection during the automatic piloting; andvarying the auxiliary position as a function of the protection considered based on a guidance mode of the automatic piloting device. 8. The method according to claim 7, wherein the auxiliary position corresponds at least to one of the following positions of the control stick:a position at neutral of the control stick;a position relating to a complete deflection of the control stick; andat least one position relating to a deflection of the control stick, lying between the position at neutral and the complete deflection of the control stick. 9. The method according to claim 7, further comprising modifying a domain of activation of at least one of the following elements of the flight control system:an automatic thrust device;airbrakes;a low energy alarm; anda unit for deleting non-essential information of a display of primary flight parameters in predetermined situations. 10. The method according to claim 7, further comprising limiting a roll command as a function of speed during automatic piloting. 11. The method according to claim 7, further comprising, after the implementation of the protection by the flight domain protection module, automatically returning the automatic piloting device to the initial guidance mode which was active before the implementation of the protection, for any guidance mode other than an altitude maintaining mode. 12. An aircraft having an electric flight control system for the aircraft, the system comprising: at least one mobile control surface configured to be deflected as a function of deflection commands received;at least one control stick configured to be actuated manually by a pilot of the aircraft, a position of the control stick generating first guidance commands representative of the position;an automatic piloting device configured to automatically generate second guidance commands; andat least one flight control computer configured to automatically compute control surface deflection commands, with an aid of an integrated computation unit which contains piloting laws, the integrated computation unit using guidance commands to compute the control surface deflection commands, the guidance commands corresponding to the first guidance commands during manual piloting of the aircraft and to the second guidance commands during automatic piloting of the aircraft, the flight control computer comprising at least one flight domain protection module for protecting a flight domain of the aircraft defining a protection as a function of a control stick position received during manual piloting, the protection module being able to limit the deflection command transmitted to the control surface,wherein the flight control system further includes:a first detection element configured to automatically detect automatic piloting of the aircraft with the aid of the automatic piloting device; andan auxiliary element configured to automatically transmit to the flight domain protection module, upon the detection of automatic piloting, a predetermined auxiliary position, representing a control stick position equivalent, the flight domain protection module using the auxiliary position as a control stick position to implement the protection during the automatic piloting,wherein the auxiliary position varies as a function of the protection considered based on a guidance mode of the automatic piloting device.
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이 특허에 인용된 특허 (5)
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.
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