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William A. Welsh

Sikorsky Aircraft

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Publication

Featured researches published by William A. Welsh.

Journal of the Acoustical Society of America | 1995

Helicopter active noise control system

Charles A. Yoerkie; William A. Welsh; Thomas W. Sheehy

Archive | 2011

Active force generation system for minimizing vibration in a rotating system

William A. Welsh

Journal of the Acoustical Society of America | 2007

Gearbox mounted force generator

William A. Welsh; Erez Eller; Robert K. Goodman

Archive | 2001

Rotor hub mounted actuator for controlling a blade on a rotorcraft

Michael S. Torok; William A. Welsh; George Gustave Zipfel; Gregory Weston Terpay; Ka-Shu Lee; William Edward Vanderbeck

Archive | 2002

Active control of multi-element rotor blade airfoils

Michael S. Torok; Robert C. Moffitt; Peter F. Lorber; Geoffrey C. R. Davis; Andreas P. F. Bernhard; William A. Welsh; Brian E. Wake

Archive | 2007

Dual higher harmonic control (hhc) for a counter-rotating, coaxial rotor system

William A. Welsh

Journal of the Acoustical Society of America | 2006

System for computationally efficient adaptation of active control of sound or vibration

Douglas G. MacMartin; William A. Welsh; James Fuller

AHS International Forum 54 | 1998

Flight Test of Active Gear-Mesh Noise Control on the S-76 Aircraft

Thomas A. Millott; William A. Welsh; Charles A. Yoerkie; Douglas G. MacMartin; Mark W. Davis

Archive | 1997

Active noise control system for a defined volume

William A. Welsh; Charles A. Yoerkie

Journal of the Acoustical Society of America | 2003

ACTUATOR FOR AN ACTIVE TRANSMISSION MOUNT ISOLATION SYSTEM

William A. Welsh

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Collaboration

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Charles A. Yoerkie

Sikorsky Aircraft

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Michael S. Torok

Sikorsky Aircraft

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Steven D. Weiner

Sikorsky Aircraft

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Aaron Kellner

Sikorsky Aircraft

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Brian E. Wake

Sikorsky Aircraft

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Bryan D. Mayrides

Sikorsky Aircraft

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David H. Hunter

Sikorsky Aircraft

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Erez Eller

Sikorsky Aircraft

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Gregory Weston Terpay

AT

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Ka-Shu Lee

General Dynamics

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