DK0601527T3 - System til kontrol af højere harmoniske vibrationer i helikopterrotorblade - Google Patents

System til kontrol af højere harmoniske vibrationer i helikopterrotorblade

Info

Publication number
DK0601527T3
DK0601527T3 DK93119661.2T DK93119661T DK0601527T3 DK 0601527 T3 DK0601527 T3 DK 0601527T3 DK 93119661 T DK93119661 T DK 93119661T DK 0601527 T3 DK0601527 T3 DK 0601527T3
Authority
DK
Denmark
Prior art keywords
cylinder
hhc
rotor blade
force
higher harmonic
Prior art date
Application number
DK93119661.2T
Other languages
Danish (da)
English (en)
Inventor
Wilmer H Reed Iii
Original Assignee
Dynamic Eng 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 Eng Inc filed Critical Dynamic Eng Inc
Application granted granted Critical
Publication of DK0601527T3 publication Critical patent/DK0601527T3/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
    • B64C27/56—Mechanisms 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
    • B64C27/57—Mechanisms 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
    • B64C27/72—Means acting on blades
    • B64C2027/7205—Means acting on blades on each blade individually, e.g. individual blade control [IBC]
    • B64C2027/7261—Means acting on blades on each blade individually, e.g. individual blade control [IBC] with flaps
    • B64C2027/7294—Means acting on blades on each blade individually, e.g. individual blade control [IBC] with flaps actuated mechanically, e.g. by means of linkages
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/30—Wing lift efficiency
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Catching Or Destruction (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Vibration Prevention Devices (AREA)
  • Wind Motors (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
DK93119661.2T 1992-12-11 1993-12-07 System til kontrol af højere harmoniske vibrationer i helikopterrotorblade DK0601527T3 (da)

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
DK0601527T3 true DK0601527T3 (da) 1997-10-27

Family

ID=25535244

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93119661.2T DK0601527T3 (da) 1992-12-11 1993-12-07 System til kontrol af højere harmoniske vibrationer i helikopterrotorblade

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) DE601527T1 (de)
DK (1) DK0601527T3 (de)
ES (1) ES2060576T3 (de)
GR (2) GR940300078T1 (de)
TW (1) TW239107B (de)

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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
CA2454575C (en) * 2001-08-02 2009-02-24 Bell Helicopter Textron Inc. Helicopter main rotor blade balance weight retention assembly
FR2871435B1 (fr) * 2004-06-10 2006-08-18 Eurocopter France Dispositif d'indication d'un niveau de battement
US8435002B2 (en) 2004-08-30 2013-05-07 Lord Corporation Helicopter vibration control system and rotating assembly rotary forces generators 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
US7722322B2 (en) 2004-08-30 2010-05-25 Lord Corporation Computer system and program product for controlling vibrations
US8090482B2 (en) 2007-10-25 2012-01-03 Lord Corporation Distributed active vibration control systems and rotary wing aircraft with suppressed vibrations
US8267652B2 (en) 2004-08-30 2012-09-18 Lord Corporation Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
EP1786670B1 (de) 2004-08-30 2013-12-25 Lord Corporation Hubschrauberschwingungssteuerungssystem
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
EP2812661B1 (de) 2012-02-10 2019-11-27 Appareo Systems, LLC System zur überwachung einer strukturellen integrität und nutzung mit anpassbarer frequenz
US9394045B2 (en) 2013-03-15 2016-07-19 Kcf Technologies, Inc. Propeller sound field modification systems and methods
US9816529B2 (en) 2013-03-15 2017-11-14 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
US20170129597A1 (en) * 2015-11-10 2017-05-11 Sikorsky Aircraft Corporation Reduced power individual blade control system on a rotorcraft
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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Also Published As

Publication number Publication date
DE69310111D1 (de) 1997-05-28
KR940014085A (ko) 1994-07-16
CN1092727A (zh) 1994-09-28
EP0601527A1 (de) 1994-06-15
JPH072187A (ja) 1995-01-06
DE69310111T2 (de) 1997-08-07
TW239107B (de) 1995-01-21
DE601527T1 (de) 1995-04-06
ES2060576T1 (es) 1994-12-01
ATE152062T1 (de) 1997-05-15
US5314308A (en) 1994-05-24
GR3023986T3 (en) 1997-10-31
EP0601527B1 (de) 1997-04-23
ES2060576T3 (es) 1997-06-16
GR940300078T1 (en) 1994-11-30

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