Zobrazeno 1 - 10
of 19
pro vyhledávání: '"William J. Bencze"'
Autor:
C. W. F. Everitt, D. Hipkins, Thomas J. Holmes, Jie Li, M. I. Heifetz, J. M. Lockhart, Sasha Buchman, Barry Muhlfelder, D.B. DeBra, John A. Lipa, M. Dolphin, Y. Ohshima, M. Taber, M. Adams, V G Solomonik, John Mester, P W Worden, J. Kolodziejczak, S. Wang, William J. Bencze, B. Clarke, A. Silbergleit, G. M. Keiser, J. P. Turneaure, M. Salomon, K. Stahl, John Conklin, Bradford W. Parkinson
Publikováno v:
Space Science Reviews. 148:53-69
This is the first of five connected papers detailing progress on the Gravity Probe B (GP-B) Relativity Mission. GP-B, launched 20 April 2004, is a landmark physics experiment in space to test two fundamental predictions of Einstein’s general relati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dbd7be1816211a6a43e0355a083e8e6
https://doi.org/10.1007/s11214-009-9524-7
https://doi.org/10.1007/s11214-009-9524-7
Publikováno v:
Space Science Reviews. 148:411-427
A simple pre-flight strategy of the Gravity Probe B (GP-B) data analysis has evolved in the elaborate multi-level structure after the discovery of the complex polhode motion, and of the patch effect torques. We describe a cascade of estimators (filte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf2062aae1f95eb4b7e8ed8fe39856a1
https://doi.org/10.1007/s11214-009-9525-6
https://doi.org/10.1007/s11214-009-9525-6
Autor:
William J. Bencze, Sasha Buchman, C. W. F. Everitt, Bradford W. Parkinson, D.B. DeBra, Jie Li, M. Taber, Barry Muhlfelder, M. I. Heifetz, S. Wang, G. M. Keiser, J. P. Turneaure, G. Green, Alexander S. Silbergleit, John A. Lipa, B. Clarke, D. N. Hipkins
Publikováno v:
Nuclear Physics B - Proceedings Supplements. 166:147-152
The Gravity Probe B experiment was developed to test two predictions of General Relativity; the Geodetic and the frame-dragging precessions of a mechanical gyroscope due to the gravitational field of the Earth. This space-based, cryogenic experiment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e7a185795f9943be6102e2208e613ed
https://doi.org/10.1016/j.nuclphysbps.2006.12.090
https://doi.org/10.1016/j.nuclphysbps.2006.12.090
Publikováno v:
Advances in Space Research. 39:224-229
Presented here is a hybrid digital/analog electrostatic suspension control system for the NASA/Stanford University Gravity Probe B Relativity Mission’s science gyroscopes. An adaptive LQE algorithm, called Authority-on-Demand (AOD), has been develo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd0e517da2e7a7dc4b96645e439568c6
https://doi.org/10.1016/j.asr.2006.09.020
https://doi.org/10.1016/j.asr.2006.09.020
Autor:
D.B. DeBra, G. Hanuschak, G. M. Keiser, John Mester, William J. Bencze, Thomas J. Holmes, J. Li, H. Small, P. Shestople
Publikováno v:
Advances in Space Research. 40:1-10
The Gravity Probe B (GP-B) Relativity Mission is a fundamental physics experiment to test Einstein’s theory of General Relativity based on observations of spinning gyroscopes onboard a satellite in a near-polar, near-circular orbit at an altitude o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c56752a7ecea80e12db4364441e525f0
https://doi.org/10.1016/j.asr.2007.03.009
https://doi.org/10.1016/j.asr.2007.03.009
Autor:
D. Bardas, Gregory M. Gutt, D. Gill, Y. M. Xiao, Robert W. Brumley, J. P. Turneaure, G. M. Keiser, M. Taber, Barry Muhlfelder, John A. Lipa, John Mester, D. H. Gwo, Saps Buchman, C. W. F. Everitt, William J. Bencze, P. Zhou, D.B. DeBra, Bradford W. Parkinson, J.M. Lockhart, S. Wang
Publikováno v:
Advances in Space Research. 25:1177-1180
The NASA/Stanford Relativity Mission Gravity Probe B (GP-B) experiment will provide two extremely precise tests of General Relativity based on observations of electrically suspended gyroscopes in a satellite in a 650 km circular polar orbit around th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::494989a822ef937af8c5c97062defa10
https://doi.org/10.1016/s0273-1177(99)00982-5
https://doi.org/10.1016/s0273-1177(99)00982-5
Autor:
G.F. Franklin, William J. Bencze
Publikováno v:
IEEE Control Systems. 15:80-84
Presented here is a method, based on automatic control system design practice, for the synthesis of hybrid control systems, controllers that contain both real-time feedback loops and logical decision-making components. In the proposed framework, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bea36c379f9cf4954ea9afeff2bbb4c
https://doi.org/10.1109/37.375289
https://doi.org/10.1109/37.375289
Autor:
M. Taber, P W Worden, John A. Lipa, Badr Alsuwaidan, Alexander S. Silbergleit, John Mester, J. M. Lockhart, M. I. Heifetz, A. Aljadaan, M Al-Meshari, B. Clarke, J. P. Turneaure, Saps Buchman, D.B. DeBra, H Al-Jibreen, J. Kolodziejczak, V G Solomonik, G. M. Keiser, K. Stahl, Thomas J. Holmes, John Conklin, Barry Muhlfelder, William J. Bencze, S. Wang, C. W. F. Everitt, Bradford W. Parkinson, Jie Li
Publikováno v:
Physical review letters. 106(22)
Gravity Probe B, launched 20 April 2004, is a space experiment testing two fundamental predictions of Einstein's theory of general relativity (GR), the geodetic and frame-dragging effects, by means of cryogenic gyroscopes in Earth orbit. Data collect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a381592a5ac7d496835f5b67bde91db
https://pubmed.ncbi.nlm.nih.gov/21702590
https://pubmed.ncbi.nlm.nih.gov/21702590
Autor:
Thomas J. Holmes, B. W. Parkinson, Alexander S. Silbergleit, J Kirschenbaum, John Conklin, G. Green, M. Adams, L Herman, Barry Muhlfelder, William J. Bencze, D.B. DeBra
Publikováno v:
Classical and Quantum Gravity. 32:224015
The Gravity Probe B satellite used ultra-precise gyroscopes in low Earth orbit to compare the orientation of the local inertial reference frame with that of distant space in order to test predictions of general relativity. The experiment required tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22d2b715b43a4450b4137d3401379a52
https://doi.org/10.1088/0264-9381/32/22/224015
https://doi.org/10.1088/0264-9381/32/22/224015
Autor:
D. N. Hipkins, C. W. F. Everitt, B. W. Parkinson, William J. Bencze, Michael Eglington, Robert W. Brumley, Y. Ohshima, Thomas J. Holmes
Publikováno v:
Classical and Quantum Gravity. 32:224005
A spaceflight electrostatic suspension system was developed for the Gravity Probe B (GP-B) Relativity Mission's cryogenic electrostatic vacuum gyroscopes which serve as an indicator of the local inertial frame about Earth. The Gyroscope Suspension Sy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a95724466324abe174958305e1b6671
https://doi.org/10.1088/0264-9381/32/22/224005
https://doi.org/10.1088/0264-9381/32/22/224005