DE601527T1 - Anlage zum Kontrollieren der höheren Oberwellenschwingungen in den Rotorblättern eines Hubschraubers. - Google Patents

Anlage zum Kontrollieren der höheren Oberwellenschwingungen in den Rotorblättern eines Hubschraubers.

Info

Publication number
DE601527T1
DE601527T1 DE0601527T DE93119661T DE601527T1 DE 601527 T1 DE601527 T1 DE 601527T1 DE 0601527 T DE0601527 T DE 0601527T DE 93119661 T DE93119661 T DE 93119661T DE 601527 T1 DE601527 T1 DE 601527T1
Authority
DE
Germany
Prior art keywords
cylinder
hhc
rotor blade
force
higher harmonic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DE0601527T
Other languages
English (en)
Inventor
Wilmer H Reed
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dynamic Engineering Inc
Original Assignee
Dynamic Engineering Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dynamic Engineering Inc filed Critical Dynamic Engineering Inc
Publication of DE601527T1 publication Critical patent/DE601527T1/de
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/32Rotors
    • B64C27/46Blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/54Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
    • B64C27/56Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement characterised by the control initiating means, e.g. manually actuated
    • B64C27/57Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement characterised by the control initiating means, e.g. manually actuated automatic or condition responsive, e.g. responsive to rotor speed, torque or thrust
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/001Vibration damping devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/54Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
    • B64C27/72Means acting on blades
    • B64C2027/7205Means acting on blades on each blade individually, e.g. individual blade control [IBC]
    • B64C2027/7261Means acting on blades on each blade individually, e.g. individual blade control [IBC] with flaps
    • B64C2027/7294Means acting on blades on each blade individually, e.g. individual blade control [IBC] with flaps actuated mechanically, e.g. by means of linkages
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/30Wing lift efficiency
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00Fluid reaction surfaces, i.e. impellers
    • Y10S416/50Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Catching Or Destruction (AREA)
  • Vibration Prevention Devices (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Wind Motors (AREA)
DE0601527T 1992-12-11 1993-12-07 Anlage zum Kontrollieren der höheren Oberwellenschwingungen in den Rotorblättern eines Hubschraubers. Pending DE601527T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/989,583 US5314308A (en) 1992-12-11 1992-12-11 System for controlling higher harmonic vibrations in helicopter rotor blades

Publications (1)

Publication Number Publication Date
DE601527T1 true DE601527T1 (de) 1995-04-06

Family

ID=25535244

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69310111T Expired - Fee Related DE69310111T2 (de) 1992-12-11 1993-12-07 Anlage zum Kontrollieren der höheren Oberwellenschwingungen in den Rotorblättern eines Hubschraubers
DE0601527T Pending DE601527T1 (de) 1992-12-11 1993-12-07 Anlage zum Kontrollieren der höheren Oberwellenschwingungen in den Rotorblättern eines Hubschraubers.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69310111T Expired - Fee Related DE69310111T2 (de) 1992-12-11 1993-12-07 Anlage zum Kontrollieren der höheren Oberwellenschwingungen in den Rotorblättern eines Hubschraubers

Country Status (11)

Country Link
US (1) US5314308A (de)
EP (1) EP0601527B1 (de)
JP (1) JPH072187A (de)
KR (1) KR940014085A (de)
CN (1) CN1092727A (de)
AT (1) ATE152062T1 (de)
DE (2) DE69310111T2 (de)
DK (1) DK0601527T3 (de)
ES (1) ES2060576T3 (de)
GR (2) GR940300078T1 (de)
TW (1) TW239107B (de)

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DE19528155C1 (de) * 1995-08-02 1996-06-27 Deutsche Forsch Luft Raumfahrt Verdrehbares Rotorblatt aus faserverstärktem Kunstharz
WO1999012809A1 (fr) * 1996-03-11 1999-03-18 Advanced Technology Institute Of Commuter-Helicopter, Ltd. Systeme de commande de rotor
US5973440A (en) 1997-07-07 1999-10-26 Nitzsche; Fred Structural component having means for actively varying its stiffness to control vibrations
FR2770826B1 (fr) * 1997-11-07 2000-01-07 Eurocopter France Pale de rotor a volet orientable
DE10035333B4 (de) * 2000-07-20 2008-08-14 Eads Deutschland Gmbh Rotorblatt mit Steuerklappen
DE10052757A1 (de) * 2000-10-25 2002-05-08 Zf Luftfahrttechnik Gmbh Rotorblatt-Steuerungsvorrichtung
US6493689B2 (en) 2000-12-29 2002-12-10 General Dynamics Advanced Technology Systems, Inc. Neural net controller for noise and vibration reduction
US6671590B1 (en) 2001-04-30 2003-12-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method and system for active noise control of tiltrotor aircraft
DE02756945T1 (de) * 2001-08-02 2004-09-30 Bell Helicopter Textron, Inc., Fort Worth Haltevorrichtung für Ausgleichsgewichte eines Hubschrauberhauptrotorblattes
FR2871435B1 (fr) * 2004-06-10 2006-08-18 Eurocopter France Dispositif d'indication d'un niveau de battement
US7448854B2 (en) 2004-08-30 2008-11-11 Lord Corporation Helicopter vibration control system and rotary force generator for canceling vibrations
US8267652B2 (en) 2004-08-30 2012-09-18 Lord Corporation Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
US8162606B2 (en) 2004-08-30 2012-04-24 Lord Corporation Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
US8090482B2 (en) 2007-10-25 2012-01-03 Lord Corporation Distributed active vibration control systems and rotary wing aircraft with suppressed vibrations
US8435002B2 (en) 2004-08-30 2013-05-07 Lord Corporation Helicopter vibration control system and rotating assembly rotary forces generators for canceling vibrations
US7722322B2 (en) 2004-08-30 2010-05-25 Lord Corporation Computer system and program product for controlling vibrations
DE102005007129B4 (de) * 2005-02-17 2008-07-10 Zf Friedrichshafen Ag Einrichtung zur Steuerung von Rotorblättern eines Hubschraubers
US7648338B1 (en) 2006-09-14 2010-01-19 Sikorsky Aircraft Corporation Dual higher harmonic control (HHC) for a counter-rotating, coaxial rotor system
FR2929253B1 (fr) 2008-03-28 2013-09-13 Sartorius Stedim Biotech Sa Cadre rigide pour conteneur 3d a contenant au moins partiellement deformable
US8985068B2 (en) 2010-07-22 2015-03-24 Robert Bosch Gmbh Systems and methods for avoiding resonances excited by rotating components
KR101752645B1 (ko) 2011-02-04 2017-06-30 로오드 코포레이션 공진 관성형 액추에이터를 구비한 회전익 항공기 진동 제어 시스템
US10607424B2 (en) 2012-02-10 2020-03-31 Appareo Systems, Llc Frequency-adaptable structural health and usage monitoring system (HUMS) and method with smart sensors
WO2013120103A1 (en) 2012-02-10 2013-08-15 Appareo Systems, Llc Frequency-adaptable structural health and usage monitoring system
US9816529B2 (en) 2013-03-15 2017-11-14 Kcf Technologies, Inc. Propeller sound field modification systems and methods
US9394045B2 (en) 2013-03-15 2016-07-19 Kcf Technologies, Inc. Propeller sound field modification systems and methods
JP6469389B2 (ja) * 2014-08-29 2019-02-13 三菱航空機株式会社 航空機の加振システム、及び、航空機
CN104670492B (zh) * 2015-01-23 2016-11-16 南京航空航天大学 一种直升机桨叶嵌入式径向运动摆振阻尼器
IL240316B (en) 2015-08-03 2018-10-31 Technion Res & Dev Foundation Method and system for parametric amplification
EP3168145B1 (de) * 2015-11-10 2020-01-29 Sikorsky Aircraft Corporation Individuelles blattsteuerungssystem mit reduzierter leistung auf einem drehflügler
DE102016213720A1 (de) 2016-07-26 2018-02-01 Zf Friedrichshafen Ag System zur Datenübermittlung und -verarbeitung zur Regelung eines Rotorblattaktuators
US11299263B2 (en) 2016-12-07 2022-04-12 Textron Innovations Inc. Automatic, active blade tracking and balance system
CN108639335B (zh) * 2018-04-04 2020-06-02 北京航空航天大学 一种面向振动与噪声控制的直升机旋翼副翼的柔性变形系统
CN113955142B (zh) * 2021-10-09 2023-09-05 中国直升机设计研究所 一种旋翼1ω谐波振动实时调整控制方法
CN115056979B (zh) * 2022-07-01 2023-05-23 南京航空航天大学 基于旋翼摆振方向周期型运动的振动主动控制方法及系统

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US1785333A (en) * 1926-11-18 1930-12-16 Trey Serge Helicopter
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Also Published As

Publication number Publication date
US5314308A (en) 1994-05-24
DK0601527T3 (da) 1997-10-27
ATE152062T1 (de) 1997-05-15
EP0601527B1 (de) 1997-04-23
EP0601527A1 (de) 1994-06-15
CN1092727A (zh) 1994-09-28
ES2060576T1 (es) 1994-12-01
KR940014085A (ko) 1994-07-16
DE69310111D1 (de) 1997-05-28
GR940300078T1 (en) 1994-11-30
GR3023986T3 (en) 1997-10-31
TW239107B (de) 1995-01-21
ES2060576T3 (es) 1997-06-16
JPH072187A (ja) 1995-01-06
DE69310111T2 (de) 1997-08-07

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