نتایج جستجو برای: spacecraft equipment

تعداد نتایج: 87564  

2015
Derek T. Doyle Sue Lee Joy Stein Ben Cooper Matthew Campisi Seth Kessler

The Spacecraft Structural Health Monitoring experiment began development in 20132014 for integration onto two separate flight experiments. Last year’s publication focused on the development and preliminary testing for setting operational and science objective. This year the hardware has been integrated and ground measurements on the STP-H5 payload have begun. The goal for this hardware is ident...

Journal: : 2022

The paper is devoted to a method for determining the power transferred by loop heat pipe as part of spaceborne exchanger when significantly changes spacecraft rotates around Earth. proposed allows calculate excessive removed radiation from radio electronic equipment (REE) in space. parameter behaviour time shall be known mathematical modelling thermal state spacecraft. Readings temperature sens...

Journal: :Journal of physics 2023

Abstract Remainder particles in closed electronic equipment equipped spacecraft are a potential threat to spacecraft. The volume of remainder is tiny, and similar the general components shape size. So current methods used detect cause false detection missing seriously. In order resolve above problems, coarse- to- fine framework proposed spacecraft, which includes backbone network, coarse classi...

2007
Forrest Rogers-Marcovitz

The Responsive Space Initiative, the ability for mission-specific payloads and support systems to be rapidly integrated within a short period, is a goal within the spacecraft community. However, as components are added to the spacecraft, the complex interactions between subsystems must be noted and, if possible, modeled. This process is extremely time consuming and if not done properly, can be ...

The spacecraft simulator robust control through H∞-based linear matrix inequality (LMI) and robust adaptive method is  implemented. The spacecraft attitude control subsystem simulator consists of  a  platform, an air-bearing and a set of four reaction wheels. This set up provides a free real-time three degree of freedom rotation. Spacecraft simulators are applied in upgrading and checking the c...

2012
D. L. Dietrich J. E. Niehaus G. A. Ruff D. L. Urban F. Takahashi J. W. Easton A. A. Abbott J. C. Graf

At NASA, there exists no standardized design or testing protocol for spacecraft fire suppression systems (either handheld or total flooding designs). An extinguisher’s efficacy in safely suppressing any reasonable or conceivable fire is the primary benchmark. That concept, however, leads to the question of what a reasonable or conceivable fire is. While there exists the temptation to ‘over-size...

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