Mathematics – Logic
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991fsa..workt....n&link_type=abstract
In NASDA, Future Space Activities Workshop: Lunar Base Workshop 1991 19 p (SEE N92-33753 24-91)
Mathematics
Logic
Japanese Spacecraft, Launch Vehicles, Lunar Exploration, Lunar Landing Modules, Lunar Probes, Lunar Roving Vehicles, Mission Planning, Spacecraft Equipment, Functional Design Specifications, Geological Surveys, Lunar Environment, Lunar Landing, Spacecraft Configurations, Spacecraft Design, Tradeoffs
Scientific paper
A review is conducted on unmanned lunar landing modules lifted off by H-2 launch vehicles to accomplish various missions on the lunar surface as the lead to manned lunar exploration. Results of mission trade-offs are presented, based on the assumption of conducting at least each one mission with and without roving vehicles, and one sample return mission, if possible. Detailed mission trade-offs for environment, geology, underground structure, and ground characteristic survey missions are presented, and an unmanned lunar landing module mission structure is exemplified. Operation plans up to arrival at the moon and after the arrival are introduced. Results of system reviews on operation plans, system structures, system function distributions, and subsystem reviews on propulsion, structures, thermal control, electric power, navigation, and guidance subsystems are presented. Reviews on configurations and development plans are also presented.
Higashino Kazuyuki
Kitazawa Yukihito
Nakai Shunichirou
Nakamura Tetsuya
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