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Author : Anonim
Publisher : Unknown
Page : 18 pages
File Size : 52,6 Mb
Release : 2000
Category : Electronic
ISBN : NASA:31769000638992
Author : Anonim
Publisher : DIANE Publishing
Page : 195 pages
File Size : 53,6 Mb
Release : 2024-06-30
Category : Electronic
ISBN : 9781428918238
Author : Anonim
Publisher : DIANE Publishing
Page : 297 pages
File Size : 43,7 Mb
Release : 2024-06-30
Category : Electronic
ISBN : 9781428924574
During energy crisis at the end of the Sixties, a new idea to exploit solar energy arose: Solar Power Satellites. These satellites need a huge surface to collect enough solar energy to be beamed on Earth by means of a microwave power transfer system. Different concepts appeared during last forty years and a lot of studies addressing the SPS economical feasibility have been published. In this work a particular concept is considered, the JAXA Reference Concept 2003. It is a formation flying SPS, composed by two reflectors and a central array panel. The objective of the work is to study two major problems this concept presents. Due to its dimensions, the satellite orbit will suffer from important orbital perturbations and since formation flying satellites need a tight orbit control, the first task is to derive an analytical approximation to perform relative perturbed orbit propagation for formation flying satellite. This objective is pursued starting from a H. Schaub’s formulation in which formation flying satellites unperturbed orbit is described by means of an approximated relation function of orbital element differences. This formulation is merged with another approach, developed in a previous work, which gives, analytically, orbital parameters variation when a perturbation acts on the spacecraft. The result is a very interesting algorithm, able to perform the assigned task with a relative error lower than 3% over one simulated orbit. The second objective concerns structural control. It is not possible to consider these huge satellites as rigid bodies, first natural frequencies will be certainly excited during operations. So that, the second task is the study of actuator placement optimization for flexible satellites, very useful for tight pointing requirements. A FEM model is developed modeling the SPS as a frame of beams and a global controllability index is obtained combining modal controllability and component cost analysis. The maximization of this parameter,
Author : Conference,Intersociety Energy Conversion Engineering
Publisher : Unknown
Page : 752 pages
File Size : 40,7 Mb
Release : 2000
Category : Direct energy conversion
ISBN : 0780357078
Author : United States. Congress. House. Committee on Science and Technology. Subcommittee on Space Science and Applications
Publisher : Unknown
Page : 672 pages
File Size : 50,8 Mb
Release : 1976
Category : Satellite solar power stations
ISBN : LOC:00183661917
Author : Christopher C. Kraft
Publisher : Unknown
Page : 24 pages
File Size : 41,5 Mb
Release : 1979
Category : Satellite solar power stations
ISBN : UIUC:30112041292258
Author : United States. Congress. Senate. Committee on Aeronautical and Space Sciences. Subcommittee on Aerospace Technology and National Needs
Publisher : Unknown
Page : 236 pages
File Size : 44,7 Mb
Release : 1976
Category : Satellite solar power stations
ISBN : UOM:39015078060210
Author : Anonim
Publisher : Unknown
Page : 202 pages
File Size : 42,6 Mb
Release : 2000
Category : Electronic
ISBN : NASA:31769000634363
Author : United States. Congress. House. Committee on Science and Technology. Subcommittee on Space Science and Applications
Publisher : Unknown
Page : 478 pages
File Size : 53,5 Mb
Release : 1978
Category : Satellite solar power stations
ISBN : LOC:00183665522
Author : United States. Congress. House. Committee on Science and Technology. Subcommittee on Space Science and Applications
Publisher : Unknown
Page : 364 pages
File Size : 48,5 Mb
Release : 1979
Category : Government publications
ISBN : LOC:00183666897
Author : Anonim
Publisher : Unknown
Page : 22 pages
File Size : 48,8 Mb
Release : 2003
Category : Electronic
ISBN : NASA:31769000648660
Author : Anonim
Publisher : Unknown
Page : 28 pages
File Size : 52,6 Mb
Release : 1981
Category : Government publications
ISBN : UCAL:B4532353
Author : Peter E. Glaser,Frank P. Davidson,Katinka I. Csigi
Publisher : Unknown
Page : 710 pages
File Size : 53,5 Mb
Release : 1998
Category : Science
ISBN : STANFORD:36105023155562
Discusses technologies involved in the development of a solar power satellite network, as well as economic and societal issues relevant to the development of solar power satellites both as an alternative energy supply and as a stimulus for the exploration and use of space. Fifty- three contributors cover such topics as wireless power transmission,.
Author : Committee on Aeronautical and Space Sciences,Committee on Aeronautical and Space Scie,United States Senate
Publisher : The Minerva Group, Inc.
Page : 240 pages
File Size : 48,5 Mb
Release : 2001-12
Category : Nature
ISBN : 9780894991141
A look at ways to collect solar power in space with satellites and beam that power down to Earth to supplement our other sources of electricity. In addition, this is a look at novel ways, to say the least, to construct those satellites. The witnesses at these Senate hearings envision a time when space will be the scene of bustling activity. They foresee construction of gigantic facilities that will provide the world with energy, which is an essential and increasingly costly part of our industrial society.
Author : Anonim
Publisher : Unknown
Page : 700 pages
File Size : 52,6 Mb
Release : 1990
Category : Large space structures (Astronautics)
ISBN : STANFORD:36105029331407
