Proceedings ArticleDOI
A Sub-Hertz Vibration Isolation Platform for a Deep Space Optical Communication Transceiver
Virginio Sannibale,Gerardo G. Ortiz,William H. Farr +2 more
- Vol. 7199, pp 127-135
TLDR
The Low Frequency Vibration Isolation Platform (LFVIP) as discussed by the authors reduces the resonant frequency of the mechanical oscillators into the sub-hertz region to maximize the passive vibration isolation.Abstract:
Mechanical resonators have been extensively used to provide vibration isolation for ground based, airborne, and spaceborne
payloads. At low frequency, the effectiveness of these isolation systems is determined mainly by designing a
mechanical oscillator with the lowest resonant frequency achievable. The Low Frequency Vibration Isolation Platform
(LFVIP) reduces the resonant frequency of the mechanical oscillators into the sub-hertz region to maximize the passive
isolation. This mechanical system, which has been expressly designed to isolate spacecraft vibrations from a compact
deep space optical communication terminal, is based on the Stewart platform topology. Furthermore, the LFVIP
provides tip/tilt functionality for acquisition and tracking of an optical beacon signal. An active control system is used
for the DC positioning of the platform and the damping of the resonance of the mechanical oscillator. A summary of
the LFVIP system, including analysis design, and preliminary results is presented.read more
Citations
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Journal ArticleDOI
Optical Communication in Space: Challenges and Mitigation Techniques
Hemani Kaushal,Georges Kaddoum +1 more
TL;DR: This survey provides the reader with comprehensive details on the use of space-based optical backhaul links in order to provide high capacity and low cost backhaul solutions.
Journal ArticleDOI
Optical Communication in Space: Challenges and Mitigation Techniques
Hemani Kaushal,Georges Kaddoum +1 more
TL;DR: In this article, the authors present a comprehensive survey on various challenges faced by free space optical communication (FSO) communication system for ground-to-satellite (G2S) or satellite-toground (S2G) and inter-Satellite (I2I) links.
Posted Content
Free Space Optical Communication: Challenges and Mitigation Techniques
Hemani Kaushal,Georges Kaddoum +1 more
TL;DR: This survey uniquely offers the current literature on FSO coding and modulation schemes using various channel models and detection techniques and presents a recently developed technique in FSO system using orbital angular momentum to combat the effect of atmospheric turbulence.
Journal ArticleDOI
Modeling and robust H-infinite control of a novel non-contact ultra-quiet Stewart spacecraft
TL;DR: In this article, the authors present the modeling and robust H ∞ control of a novel ultra-quiet spacecraft which employs the noncontact Stewart platform to actively control its support module (SM) and payload module (PM).
Journal ArticleDOI
Vibration isolation and dual-stage actuation pointing system for space precision payloads
Yongfang Kong,Hai Huang +1 more
TL;DR: This work follows the pointing control method which consists of a traditional spacecraft attitude control system and a payload active pointing loop, further proposing a vibration isolation and dual-stage actuation pointing system for space precision payloads based on a soft Stewart platform.
References
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Journal ArticleDOI
A Platform with Six Degrees of Freedom
TL;DR: In this article, the authors describe a six-degree-of-freedom control with six motors, each having a ground abutment, for simulating flight conditions in the training of pilots.
Journal ArticleDOI
Vibration isolation and suppression system for precision payloads in space
Richard G. Cobb,Jeanne M Sullivan,Alok Das,L. Porter Davis,T. Tupper Hyde,Torey Davis,Zahidul H. Rahman,John T. Spanos +7 more
TL;DR: In this article, the authors describe the design and performance testing of a vibration isolation and suppression system (VISS) which can be used to isolate a precision payload from spacecraft borne disturbances.
Journal ArticleDOI
The linear variable differential transformer (LVDT) position sensor for gravitational wave interferometer low-frequency controls
H. Tariq,H. Tariq,Akiteru Takamori,Akiteru Takamori,F. Vetrano,Chenyang Wang,Alessandro Bertolini,Alessandro Bertolini,G. Calamai,Riccardo DeSalvo,A. Gennai,L. Holloway,G. Losurdo,Szabolcs Marka,M. Mazzoni,F. Paoletti,D. Passuello,Virginio Sannibale,Ruggero Stanga +18 more
TL;DR: In this article, a low-power, ultra-high-vacuum compatible, non-contacting position sensors with nanometer resolution and centimeter dynamic range have been designed at Virgo as the sensors for lowfrequency modal damping of Seismic Attenuation System chains in Gravitational Wave interferometers and sub-micron absolute mirror positioning.
Journal ArticleDOI
The Seismic Attenuation System (SAS) for the Advanced LIGO gravitational wave interferometric detectors
Alberto Stochino,Alberto Stochino,Alberto Stochino,Benjamin Abbot,Yoichi Aso,M. A. Barton,Alessandro Bertolini,V. Boschi,V. Boschi,D. C. Coyne,Riccardo DeSalvo,Carlo Galli,Yumei Huang,Alexander Ivanov,Szabolcs Marka,David J. Ottaway,Virginio Sannibale,Chiara Vanni,Hiroaki Yamamoto,Sanichiro Yoshida +19 more
TL;DR: In this paper, the LIGO Seismic Attenuation System (SAS) Group designed a new kind of seismic attenuation platforms for the Horizontal Access Module (HAM) and Basic Symmetric Chamber (BSC) vacuum chambers of the interferometers.
Proceedings ArticleDOI
Optical Payload Isolation using the Miniature Vibration Isolation System (MVIS-II)
TL;DR: The MVIS-II is a collaborative effort between the Air Force Research Laboratory (AFRL) Space Vehicle Directorate and Honeywell Defense and Space to validate miniature hybrid (passive/active) vibration isolation of sensitive optical payloads.