HK1137706A1 - Control stick adapted for use in a fly-by-wire flight control system - Google Patents
Control stick adapted for use in a fly-by-wire flight control systemInfo
- Publication number
- HK1137706A1 HK1137706A1 HK10101329.8A HK10101329A HK1137706A1 HK 1137706 A1 HK1137706 A1 HK 1137706A1 HK 10101329 A HK10101329 A HK 10101329A HK 1137706 A1 HK1137706 A1 HK 1137706A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- fly
- control system
- wire flight
- stick adapted
- flight control
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/02—Initiating means
- B64C13/04—Initiating means actuated personally
- B64C13/042—Initiating means actuated personally operated by hand
- B64C13/0421—Initiating means actuated personally operated by hand control sticks for primary flight controls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/14—Torsion springs consisting of bars or tubes
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
- G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
- G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
- G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
- G05G2009/04703—Mounting of controlling member
- G05G2009/04714—Mounting of controlling member with orthogonal axes
- G05G2009/04718—Mounting of controlling member with orthogonal axes with cardan or gimbal type joint
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
- G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
- G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
- G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
- G05G2009/04766—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks providing feel, e.g. indexing means, means to create counterforce
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20012—Multiple controlled elements
- Y10T74/20201—Control moves in two planes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Control Devices (AREA)
- Position Input By Displaying (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2007/017605 WO2009020453A2 (en) | 2007-08-08 | 2007-08-08 | Control stick adapted for use in a fly-by-wire flight control system, and linkage for use therein |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1137706A1 true HK1137706A1 (en) | 2010-08-06 |
Family
ID=39529685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK10101329.8A HK1137706A1 (en) | 2007-08-08 | 2010-02-05 | Control stick adapted for use in a fly-by-wire flight control system |
Country Status (9)
Country | Link |
---|---|
US (4) | US8074940B2 (ja) |
EP (1) | EP2097315B1 (ja) |
JP (1) | JP5309138B2 (ja) |
KR (2) | KR101533414B1 (ja) |
CN (1) | CN101528539B (ja) |
BR (1) | BRPI0719194B1 (ja) |
CA (1) | CA2669919C (ja) |
HK (1) | HK1137706A1 (ja) |
WO (1) | WO2009020453A2 (ja) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101533414B1 (ko) * | 2007-08-08 | 2015-07-03 | 무그 인코포레이티드 | 조종간 |
US9156546B2 (en) * | 2008-03-11 | 2015-10-13 | The Boeing Company | Active-inceptor tactile-cueing hands-off rate-limit |
FR2934065B1 (fr) * | 2008-07-17 | 2010-08-27 | Airbus France | Dispositif pour la determination de la position d'une manette des gaz dans un aeronef |
ES2385950B1 (es) * | 2009-10-29 | 2013-06-06 | Eads Construcciones Aeronauticas, S.A. | Puesto de mando |
US8770055B2 (en) * | 2010-06-11 | 2014-07-08 | Mason Electric Company | Multi-axis pivot assembly for control sticks and associated systems and methods |
US9051045B2 (en) * | 2010-07-28 | 2015-06-09 | Woodward Mpc, Inc. | Indirect drive active control column |
DE102010035607A1 (de) * | 2010-08-27 | 2012-03-01 | Liebherr-Aerospace Lindenberg Gmbh | Radsteuerung für ein Luftfahrzeug |
CN101976522B (zh) * | 2010-09-26 | 2013-05-01 | 北京航空航天大学 | 飞机驾驶盘力反馈系统 |
FR2966214B1 (fr) * | 2010-10-13 | 2013-06-14 | Skf Ab | Ensemble de liaison pour joint de transmission et joint de transmission associe. |
FR2966213A1 (fr) * | 2010-10-15 | 2012-04-20 | Skf Ab | Ensemble de liaison pour joint de transmission et joint de transmission associe |
CN102452481A (zh) * | 2010-10-29 | 2012-05-16 | 贵州华阳电工有限公司 | 自动油门台操纵装置 |
WO2012068136A2 (en) * | 2010-11-15 | 2012-05-24 | Lam Aviation, Inc. | Mechanical control mixer and method therefor |
WO2012083835A1 (zh) * | 2010-12-20 | 2012-06-28 | 中国商用飞机有限责任公司 | 二自由度操纵杆驱动试验装置及其安装方法和控制方法 |
FR2988689B1 (fr) * | 2012-03-27 | 2014-04-25 | Ratier Figeac Soc | Dispositif de pilotage d'un vehicule, notamment d'aeronef |
CN104812667B (zh) * | 2012-11-27 | 2017-05-31 | 庞巴迪公司 | 用于变速杆的故障检测机构 |
FR3005934B1 (fr) * | 2013-05-23 | 2015-05-01 | Airbus Operations Sas | Systeme et procede de commande d’un aeronef |
US9446838B2 (en) * | 2014-08-14 | 2016-09-20 | Gulfstream Aerospace Corporation | Systems for inceptor control in fly-by-wire aircraft systems |
US10676185B2 (en) | 2014-08-28 | 2020-06-09 | Sikorsky Aircraft Corporation | Rotary wing aircraft pitch control system |
WO2016043942A2 (en) | 2014-08-28 | 2016-03-24 | Sikorsky Aircraft Corporation | Pitch control system |
US10239375B2 (en) * | 2015-02-06 | 2019-03-26 | Bourns, Inc. | Vehicle chassis level sensor |
US10118688B2 (en) | 2015-08-18 | 2018-11-06 | Woodward, Inc. | Inherently balanced control stick |
CN105292500A (zh) * | 2015-11-17 | 2016-02-03 | 江西洪都航空工业集团有限责任公司 | 一种基于人机工效的紧凑型侧杆操纵装置 |
US10086924B2 (en) | 2016-04-29 | 2018-10-02 | Hamilton Sundstrand Corporation | Alignment device for a selector lever |
CN107066028A (zh) * | 2017-06-09 | 2017-08-18 | 河北工业大学 | 单控制手柄宏动六维控制器 |
US10351257B2 (en) * | 2017-09-28 | 2019-07-16 | Hamilton Sundstrand Corporation | Retention member monitoring system for slat-flap control lever |
KR101982405B1 (ko) | 2017-11-06 | 2019-05-27 | 서울과학기술대학교 산학협력단 | 햅틱 컨트롤러 메커니즘 |
KR101983203B1 (ko) * | 2017-12-01 | 2019-05-28 | 에어버스 헬리콥터스 | 전기 제어 부재, 회전익기, 및 방법 |
US10870482B2 (en) | 2018-04-13 | 2020-12-22 | Hamilton Sunstrand Corporation | Aircraft control selector levers |
US11338935B1 (en) * | 2018-09-10 | 2022-05-24 | Textron Innovations, Inc. | Automated flight control functional testing |
CN109625247A (zh) * | 2018-11-30 | 2019-04-16 | 中国航空工业集团公司沈阳飞机设计研究所 | 一种可调节飞机侧杆臂托 |
FR3093320B1 (fr) * | 2019-02-28 | 2021-01-29 | Airbus Helicopters | Mécanisme d’alerte haptique d’un pilote d’aéronef et aéronef. |
US11235885B2 (en) * | 2019-12-20 | 2022-02-01 | Pratt & Whitney Canada Corp. | Method and system for determining a throttle position of an aircraft |
CA3214554A1 (en) * | 2021-04-08 | 2022-10-13 | David Anthony Cowling | Four-axis mechanical controller |
US11921536B2 (en) * | 2022-01-26 | 2024-03-05 | Woodward, Inc. | Soft stop force gradient for control stick |
Family Cites Families (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2146943A (en) * | 1935-01-02 | 1939-02-14 | Doblhoff Walther | Spring arrangement |
GB694722A (en) * | 1949-03-07 | 1953-07-29 | Ljungstroms Angturbin Ab | Improvements in or relating to devices for shifting spring systems |
US2594665A (en) * | 1950-03-06 | 1952-04-29 | Jack C Lockwood | Mechanical cushioning device |
US2706753A (en) | 1952-11-26 | 1955-04-19 | Westinghouse Air Brake Co | Circuit controllers |
US2983505A (en) * | 1957-04-29 | 1961-05-09 | Mather Spring Company | Torsion spring |
FR1458961A (fr) * | 1965-06-10 | 1966-04-29 | Nord Aviation | Dispositif de liaison pour machine volante à décollage et à atterrissage verticaux |
US3784062A (en) * | 1969-07-28 | 1974-01-08 | J Harschel | Insert for measuring, mixing and dispensing liquids |
US4069720A (en) | 1976-11-05 | 1978-01-24 | Thor Wayne A | Two axis side controller for aircraft |
US4134560A (en) * | 1977-09-19 | 1979-01-16 | Messerschmidt Eugene D | Helicopter control device |
SE431432B (sv) * | 1982-06-01 | 1984-02-06 | Saab Scania Ab | Styrdon |
JPS60180837U (ja) * | 1984-05-10 | 1985-11-30 | 中央発條株式会社 | ト−シヨンバ− |
DE3431583A1 (de) * | 1984-08-28 | 1986-03-13 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Vorrichtung zur automatischen beseitigung von steuerkraftfehlern bei luftfahrzeugen, insbesondere hubschraubern |
US4717098A (en) * | 1986-05-19 | 1988-01-05 | Mcdonnell Douglas Corporation | Actuator for a g-limiter override |
US4801019A (en) * | 1986-11-13 | 1989-01-31 | Smolen Jr George W | Shock absorbing unit assisted by fiberglass reinforced spring |
US4865277A (en) * | 1987-06-15 | 1989-09-12 | Bell Helicopter Textron Inc. | Copilot quick connect cyclic stick |
JPH0794812B2 (ja) * | 1987-12-29 | 1995-10-11 | トヨタ自動車株式会社 | インジェクタ用アクチュエータ |
US4895039A (en) * | 1988-07-20 | 1990-01-23 | Honeywell Inc. | Hand controller having pivot axis for minimizing forearm movement |
DE3825809A1 (de) * | 1988-07-29 | 1990-02-08 | Messerschmitt Boelkow Blohm | Steuereinrichtung mit einem steuerknueppel |
FR2643331B1 (fr) * | 1989-02-17 | 1995-01-13 | Aerospatiale | Dispositif de commande a manche basculant et systeme de commande de vol pour aeronef comportant au moins un tel dispositif de commande |
FR2643502B1 (fr) * | 1989-02-20 | 1996-01-19 | Aerospatiale | Dispositif de commande a manche basculant, notamment pour aeronef, et systeme comportant un tel dispositif |
US5062619A (en) * | 1989-04-03 | 1991-11-05 | Nabeya Kogyo Co., Ltd. | Non-linear spring |
FR2647922B1 (fr) * | 1989-05-31 | 1993-12-31 | Sextant Avionique | Dispositif de commande electromecanique utilisable pour le pilotage d'un vehicule |
US5149023A (en) * | 1991-07-12 | 1992-09-22 | The Boeing Company | Mechanically-linked side stick controllers with isolated pitch and roll control movement |
DE4203367C2 (de) * | 1992-02-06 | 2000-10-05 | Hella Kg Hueck & Co | Sollwertgeber einer Einrichtung zum Einstellen der Fahrgeschwindigkeit eines Fahrzeuges |
US5559432A (en) * | 1992-02-27 | 1996-09-24 | Logue; Delmar L. | Joystick generating a polar coordinates signal utilizing a rotating magnetic field within a hollow toroid core |
US5347204A (en) | 1992-10-06 | 1994-09-13 | Honeywell Inc. | Position dependent rate dampening in any active hand controller |
US5291113A (en) | 1992-10-06 | 1994-03-01 | Honeywell Inc. | Servo coupled hand controllers |
US5456428A (en) | 1993-07-21 | 1995-10-10 | Honeywell Inc. | Mechanically linked active sidesticks |
US5436640A (en) * | 1993-10-29 | 1995-07-25 | Thrustmaster, Inc. | Video game and simulator joystick controller with geared potentiometer actuation |
US5503040A (en) * | 1993-11-12 | 1996-04-02 | Binagraphics, Inc. | Computer interface device |
TW328190B (en) | 1994-06-14 | 1998-03-11 | Toshiba Co Ltd | Control device of brushless motor and method of fault detection and air conditioner |
WO1996032670A1 (fr) * | 1995-04-10 | 1996-10-17 | Komatsu Ltd. | Dispositif de controle de force de reaction operationnelle pour levier de commande d'une machine a travailler |
US5851006A (en) * | 1995-06-12 | 1998-12-22 | Trw Fahrwerksysteme Gmbh & Co. Kg | Torsional element for steering valves and spring characteristic improving process |
US5694014A (en) | 1995-08-22 | 1997-12-02 | Honeywell Inc. | Active hand controller redundancy and architecture |
JP2740145B2 (ja) * | 1995-09-12 | 1998-04-15 | コナミ株式会社 | 多方向操作スイッチ及びこれを用いたドライビングゲーム機 |
US6002351A (en) * | 1995-11-10 | 1999-12-14 | Nintendo Co., Ltd. | Joystick device |
FR2756392B1 (fr) * | 1996-11-22 | 1999-01-22 | Aerospatiale | Systeme de couplage de manches de commande |
US5911390A (en) * | 1997-07-09 | 1999-06-15 | Mcdonnell Douglas Corporation | Bobweight assembly for establishing a force feedback on a manually movable control element |
US5831554A (en) * | 1997-09-08 | 1998-11-03 | Joseph Pollak Corporation | Angular position sensor for pivoted control devices |
DE69737528T2 (de) | 1997-12-17 | 2007-07-12 | Moog Fcs B.V. | Fernsteuerungssystem zur Fernmanipulation und Fernsteuerungsanordnung, die diesen verwendt |
JP3091743B1 (ja) * | 1999-03-30 | 2000-09-25 | 株式会社コミュータヘリコプタ先進技術研究所 | 操縦装置 |
US6459228B1 (en) | 2001-03-22 | 2002-10-01 | Mpc Products Corporation | Dual input servo coupled control sticks |
FR2828919B1 (fr) * | 2001-08-23 | 2003-12-12 | Valeo Vision | Dispositif de transformation d'un mouvement de translation en mouvement de rotation |
US20030057622A1 (en) * | 2001-09-27 | 2003-03-27 | Bovio Vincent G. | Slipper bushing |
JP2003111886A (ja) * | 2001-10-04 | 2003-04-15 | Heiwa Corp | 遊技操作レバー装置 |
CN100498262C (zh) * | 2001-11-14 | 2009-06-10 | 洛德公司 | 旋转构件的平衡装置以及相关方法 |
US6634383B2 (en) * | 2001-12-14 | 2003-10-21 | Caterpillar Inc. | Magnetic detent assist assembly |
US6629896B2 (en) * | 2001-12-29 | 2003-10-07 | Steven Jones | Nimble virtual reality capsule using rotatable drive assembly |
WO2005039835A1 (en) * | 2003-10-24 | 2005-05-06 | The University Of Western Ontario | Force reflective robotic control system and minimally invasive surgical device |
US7411576B2 (en) * | 2003-10-30 | 2008-08-12 | Sensable Technologies, Inc. | Force reflecting haptic interface |
US20060022424A1 (en) * | 2004-07-30 | 2006-02-02 | Norm Reynolds | Torsion spring cartridge |
KR101533414B1 (ko) * | 2007-08-08 | 2015-07-03 | 무그 인코포레이티드 | 조종간 |
US7950596B2 (en) * | 2008-06-27 | 2011-05-31 | Caterpillar Inc. | Distributed stiffness biasing spring for actuator system and fuel injector using same |
-
2007
- 2007-08-08 KR KR1020137029783A patent/KR101533414B1/ko not_active IP Right Cessation
- 2007-08-08 JP JP2010519899A patent/JP5309138B2/ja not_active Expired - Fee Related
- 2007-08-08 CA CA2669919A patent/CA2669919C/en not_active Expired - Fee Related
- 2007-08-08 EP EP07836604.4A patent/EP2097315B1/en active Active
- 2007-08-08 US US12/311,125 patent/US8074940B2/en not_active Expired - Fee Related
- 2007-08-08 WO PCT/US2007/017605 patent/WO2009020453A2/en active Application Filing
- 2007-08-08 CN CN2007800391925A patent/CN101528539B/zh not_active Expired - Fee Related
- 2007-08-08 BR BRPI0719194-4A patent/BRPI0719194B1/pt not_active IP Right Cessation
- 2007-08-08 KR KR1020097009142A patent/KR101420353B1/ko active IP Right Grant
-
2010
- 2010-02-05 HK HK10101329.8A patent/HK1137706A1/xx not_active IP Right Cessation
-
2011
- 2011-08-17 US US13/199,008 patent/US8181914B2/en not_active Expired - Fee Related
- 2011-08-17 US US13/199,006 patent/US8950740B2/en not_active Expired - Fee Related
- 2011-08-17 US US13/199,027 patent/US8181915B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
BRPI0719194A2 (pt) | 2014-02-04 |
WO2009020453A2 (en) | 2009-02-12 |
CA2669919A1 (en) | 2009-02-12 |
EP2097315A2 (en) | 2009-09-09 |
US8950740B2 (en) | 2015-02-10 |
KR20130133907A (ko) | 2013-12-09 |
CN101528539B (zh) | 2012-06-13 |
JP2010535667A (ja) | 2010-11-25 |
US20110298167A1 (en) | 2011-12-08 |
US20110303039A1 (en) | 2011-12-15 |
US8074940B2 (en) | 2011-12-13 |
CN101528539A (zh) | 2009-09-09 |
US8181915B2 (en) | 2012-05-22 |
EP2097315B1 (en) | 2017-07-26 |
JP5309138B2 (ja) | 2013-10-09 |
WO2009020453A3 (en) | 2009-04-16 |
US20110296941A1 (en) | 2011-12-08 |
US20100011897A1 (en) | 2010-01-21 |
BRPI0719194B1 (pt) | 2019-10-29 |
KR20100040796A (ko) | 2010-04-21 |
CA2669919C (en) | 2015-06-23 |
US8181914B2 (en) | 2012-05-22 |
KR101533414B1 (ko) | 2015-07-03 |
KR101420353B1 (ko) | 2014-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20220805 |