Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Eduardo Garcia-Llama"'
Publikováno v:
Journal of Technology and Science Education, Vol 2, Iss 1, Pp 4-12 (2012)
This paper presents a method to promote STEM (Science, Technology, Engineering, and Mathematics) education through participation in a reduced gravity program with NASA (National Aeronautics and Space Administration). Microgravity programs with NASA p
Externí odkaz:
https://doaj.org/article/9e0ec1b584df4f0eb6a6d05f2133b74d
Autor:
Eduardo Garcia-Llama
Publikováno v:
Recent Patents on Space Technology. 2:57-60
Two algorithms are disclosed that, with the use of a 3-axis accelerometer, will be able to determine the angles of attack, sideslip and roll of a capsule-type spacecraft prior to entry (at very high altitudes, where the atmospheric density is still v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82bff553fcab4a5c6c84c17eac2d0cde
https://doi.org/10.2174/1877611611202010057
https://doi.org/10.2174/1877611611202010057
Autor:
Eduardo Garcia-Llama
Publikováno v:
Journal of Guidance, Control, and Dynamics. 34:311-317
F OR entry vehicles with relatively low lift-to-drag ratios (L=D), a known strategy for achieving long downrange is to allow the vehicle to skip out of the atmosphere [1]. During this high-altitude and low-drag skip phase of the entry, the vehicle ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64d0fdd81e993665b321bc8ae2a87df8
https://doi.org/10.2514/1.50798
https://doi.org/10.2514/1.50798
Autor:
Juan Senent, Eduardo Garcia-Llama
Publikováno v:
Journal of Guidance, Control, and Dynamics. 31:629-640
use of control in one axis only. To show the feasibility of such a concept, the technique of single-input/single-output feedback linearization using the Lie derivative method is employed. The problem is solved for different numbers of jets and for di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::579a419d0af8281111bbd334808925b1
https://doi.org/10.2514/1.31531
https://doi.org/10.2514/1.31531
Autor:
Mark C. Ivanov, Eduardo Garcia-Llama, Ravi Prakash, Richard G. Winski, Myron R. Grover, Jeremy D. Shidner
Publikováno v:
2012 IEEE Aerospace Conference.
The proposed Mars 2018 mission is a joint mission with the National Aeronautics and Space Administration (NASA) and the European Space Agency (ESA) that is currently in the early study phase. The objective would be to land a rover which caches a samp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bff1e256d52a5af3f80d42b632d073eb
https://doi.org/10.1109/aero.2012.6186998
https://doi.org/10.1109/aero.2012.6186998
Autor:
Jeremy D. Shidner, Eduardo Garcia-Llama, Richard G. Winski, Ravi Prakash, Mark C. Ivanov, Myron R. Grover
Publikováno v:
2012 IEEE Aerospace Conference.
In 2011, the Mars Science Laboratory (MSL) was launched in a mission to deliver the largest and most capable rover to date to the surface of Mars. A follow on MSL-derived mission, referred to as Mars 2018, is being proposed to launch in 2018. Mars 20
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c48b75340381d8f5056c58acfc32f7ff
https://doi.org/10.1109/aero.2012.6186997
https://doi.org/10.1109/aero.2012.6186997
Autor:
Alicia M. CwyerCianciolo, Jeremy D. Shidner, Eduardo Garcia-Llama, Jody L. Davis, Richard W. Powell
Publikováno v:
AIAA/AAS Astrodynamics Specialist Conference.
The purpose of the Mars Entry, Descent and Landing Systems Analysis (EDL-SA) study was to identify feasible technologies that will enable human exploration of Mars, specifically to deliver large payloads to the Martian surface. This paper focuses on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::000f55956a12128cf3315b20c4bb1e1f
https://doi.org/10.2514/6.2010-7972
https://doi.org/10.2514/6.2010-7972
Autor:
Eduardo Garcia-Llama
Publikováno v:
AIAA Guidance, Navigation and Control Conference and Exhibit.
This paper studies the performance of an Apollo-derived Entry Terminal Point Controller when used to fly bank-modulated entry trajectories at Mars. The trajectories have been optimized to achieve maximum altitude at a given Mach number, accounting fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75271840064a9fafa0d88a7988dda76b
https://doi.org/10.2514/6.2008-6819
https://doi.org/10.2514/6.2008-6819
Autor:
Eduardo Garcia-Llama
Publikováno v:
AIAA Atmospheric Flight Mechanics Conference and Exhibit.
This paper presents an analytic method to generate a reference drag trajectory for the first entry portion of a skip atmospheric entry. The drag reference, expressed as a polynomial function of the velocity, will meet the conditions necessary to fit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e96bfae78fc5afd2ac77519bb7014f3b
https://doi.org/10.2514/6.2007-6897
https://doi.org/10.2514/6.2007-6897