Staple, 1989 - Google Patents
An evaluation of active control of structural response as a means ofStaple, 1989
View PDF- Document ID
- 4017481851404797682
- Author
- Staple A
- Publication year
External Links
Snippet
The need to reduce helicopter vibration remains a major challenge to the helicopter industry. The harsh vibration environment experienced by both aircrew and passengers has a direct influence on crew fatigue and passenger comfort. In addition, vibration contributes to the …
Classifications
-
- 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
- B64C27/006—Safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
-
- 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
-
- 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
- B64C13/24—Transmitting means
- B64C13/38—Transmitting means with power amplification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Wood et al. | On developing and flight testing a higher harmonic control system | |
Pearson et al. | Active control of helicopter vibration | |
Ballin | Validation of the dynamic response of a blade‐element UH‐60 simulation model in hovering flight | |
Nixon et al. | Tiltrotor vibration reduction through higher harmonic control | |
Bowen-Davies et al. | Aeromechanics of a slowed rotor | |
US6311924B1 (en) | Device and process for reducing the vibration generated on the structure of a rotary-wing aircraft, particularly a helicopter | |
Duda | Flight control system design considering rate saturation | |
JanakiRam et al. | Blade-vortex interaction noise characteristics of a full-scale active flap rotor | |
Muscarello et al. | Structural Coupling and Whirl-Flutter Stability with Pilot-in-the-Loop | |
Staple | An evaluation of active control of structural response as a means of | |
Straub et al. | Application of higher harmonic blade feathering on the OH-6A helicopter for vibration reduction | |
Walsh | Flight tests of an open loop higher harmonic control system on an S-76A helicopter | |
Greiser | Disturbance observer-based control to suppress air resonance for the EC135 ACT/FHS research helicopter | |
EP0639500B1 (en) | Helicopter | |
Millott et al. | Helicopter active noise and vibration reduction | |
King | The minimisation of helicopter vibration through blade design and active control | |
Schimke et al. | Individual blade control by servo-flap and blade root control-A collaborative research and development programme | |
Ghiringhelli et al. | Multi-body analysis of an active control for a tiltrotor | |
Lock et al. | Flight investigation of a structural mode control system for the XB-70 aircraft | |
Geyer et al. | Validation and application of a transient aeroelastic analysis for shipboard engage/disengage operations | |
Roget et al. | Robust individual blade control algorithm for a dissimilar rotor | |
Walker et al. | Multivariable control of the Bell 412 helicopter | |
Anusonti-Inthra | Semi-active control of helicopter vibration using controllable stiffness and damping devices | |
Manimala et al. | Load alleviation for a tilt-rotor aircraft in airplane mode | |
Nixon et al. | Higher harmonic control for tiltrotor vibration reduction |