Method For The Calculation Of Spacecraft Umbra And Penumbra Shadow Terminator Points PDF Download
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| Author | : Carlos R. Ortiz Longo |
| Publisher | : |
| Total Pages | : 40 |
| Release | : 1995 |
| Genre | : Orbits |
| ISBN | : |
Download Method for the Calculation of Spacecraft Umbra and Penumbra Shadow Terminator Points Book in PDF, ePub and Kindle
A method for calculating orbital shadow terminator points is presented. The current method employs the use of an iterative process which is used for an accurate determination of shadow points. This calculation methodology is required, since orbital perturbation effects can introduce large errors when a spacecraft orbits a planet in a high altitude and/or highly elliptical orbit. To compensate for the required iteration methodology, all reference frame change definitions and calculations are performed with quaternions. Quaternion algebra significantly reduces the computational time required for the accurate determination of shadow terminator points.
| Author | : National Aeronautics and Space Adm Nasa |
| Publisher | : |
| Total Pages | : 38 |
| Release | : 2018-10-20 |
| Genre | : |
| ISBN | : 9781729014332 |
Download Method for the Calculation of Spacecraft Umbra and Penumbra Shadow Terminator Points Book in PDF, ePub and Kindle
A method for calculating orbital shadow terminator points is presented. The current method employs the use of an iterative process which is used for an accurate determination of shadow points. This calculation methodology is required since orbital perturbation effects can introduce large errors when a spacecraft orbits a planet in a high altitude and/or highly elliptical orbit. To compensate for the required iteration methodology, all reference frame change definitions and calculations are performed with quaternions. Quaternion algebra significantly reduces the computational time required for the accurate determination of shadow terminator points. Ortizlongo, Carlos R. and Rickman, Steven L. Johnson Space Center ...
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Download Method For The Calculation of Spacecraft Umbra and Penumbra Shadow Terminator Points Carlos R. Ortizlongo Et Al NASA. Johnson Space Center Apr. 1995 Book in PDF, ePub and Kindle
| Author | : Carlos R. Ortiz Longo |
| Publisher | : |
| Total Pages | : |
| Release | : 1995 |
| Genre | : |
| ISBN | : |
Download Method for the Caculation of Spacecraft Umbra and Penumbra Shadow Terminator Points Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : 456 |
| Release | : 1995 |
| Genre | : Aeronautics |
| ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
| Author | : |
| Publisher | : |
| Total Pages | : 652 |
| Release | : 1996 |
| Genre | : Government publications |
| ISBN | : |
Download Monthly Catalog of United States Government Publications Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : 938 |
| Release | : 1995 |
| Genre | : Science |
| ISBN | : |
Download Government Reports Announcements & Index Book in PDF, ePub and Kindle
| Author | : John T. Betts |
| Publisher | : SIAM |
| Total Pages | : 748 |
| Release | : 2020-07-09 |
| Genre | : Mathematics |
| ISBN | : 1611976197 |
Download Practical Methods for Optimal Control Using Nonlinear Programming, Third Edition Book in PDF, ePub and Kindle
How do you fly an airplane from one point to another as fast as possible? What is the best way to administer a vaccine to fight the harmful effects of disease? What is the most efficient way to produce a chemical substance? This book presents practical methods for solving real optimal control problems such as these. Practical Methods for Optimal Control Using Nonlinear Programming, Third Edition focuses on the direct transcription method for optimal control. It features a summary of relevant material in constrained optimization, including nonlinear programming; discretization techniques appropriate for ordinary differential equations and differential-algebraic equations; and several examples and descriptions of computational algorithm formulations that implement this discretize-then-optimize strategy. The third edition has been thoroughly updated and includes new material on implicit Runge–Kutta discretization techniques, new chapters on partial differential equations and delay equations, and more than 70 test problems and open source FORTRAN code for all of the problems. This book will be valuable for academic and industrial research and development in optimal control theory and applications. It is appropriate as a primary or supplementary text for advanced undergraduate and graduate students.
| Author | : Harold L. Hallock |
| Publisher | : Springer |
| Total Pages | : 290 |
| Release | : 2017-05-03 |
| Genre | : Computers |
| ISBN | : 1447173252 |
Download ACS Without an Attitude Book in PDF, ePub and Kindle
This book de-emphasizes the formal mathematical description of spacecraft on-board attitude and orbit applications in favor of a more qualitative, concept-oriented presentation of these topics. The information presented in this book was originally given as a set of lectures in 1999 and 2000 instigated by a NASA Flight Software Branch Chief at Goddard Space Flight Center. The Branch Chief later suggested this book. It provides an approachable insight into the area and is not intended as an essential reference work. ACS Without an Attitude is intended for programmers and testers new to the field who are seeking a commonsense understanding of the subject matter they are coding and testing in the hope that they will reduce their risk of introducing or missing the key software bug that causes an abrupt termination in their spacecraft’s mission. In addition, the book will provide managers and others working with spacecraft with a basic understanding of this subject.
| Author | : Manned Spacecraft Center (U.S.) |
| Publisher | : |
| Total Pages | : 328 |
| Release | : 1971 |
| Genre | : Apollo Lunar Surface Experiments Package |
| ISBN | : |
Download Apollo 14 Book in PDF, ePub and Kindle
"Apollo 14, the third mission during which men have worked on the surface of the Moon, was highly successful. This mission to the Fra Mauro Formation provided geophysical data from a new set of instruments... Because of improved equipment, such as the modularized equipment transporter, and because of the extended time spent on the lunar surface, a large quantity and variety of lunar samples were returned to Earth for detailed examination. New information concerning the mechanics of the lunar soil was also obtained during this mission. In addition, five lunar-orbital experiments were conducted during the Apollo 14 mission, needing no new equipment other than a camera. The experiments were executed by the command module pilot in the command and service module while the commander and the lunar module pilot were on the surface of the Moon. This report is preliminary in nature; however, it is meant to acquaint the reader with the actual conduct of the Apollo 14 scientific mission and to record the facts as they appear in the early stages of the scientific mission evaluation. As far as possible, data trends are reported, and preliminary results and conclusions are included."--p. xi.
