Modelling of the Microaccelerometer MAC Translation Control ? Measurement Channel
Result description
As is well known, a spacecraft's trajectory on a low Earth orbit is influenced besides the gravitational force by a number of perturbing factors. It is possible to divide these perturbations into two basic groups: gravitational ? due to Earth's nonidealspheric shape, other celestial bodies attraction (the Sun, the Moon) and non-gravitational ? due to mainly atmospheric drag and direct/indirect solar radiation pressure. A very sensitive electrostatic feed-back threeaxes and symmetrical microaccelerometer MAC with the cubic proof mass has been developed for the measurement of accelerations arising by virtue of non-gravitational perturbations acting on the spacecraft board. The article describes a performance model of the microaccelerometer measurement channel in one axis and its analysis.
Keywords
Non-gravitational EffectsNon-conservative AccelerationsMicroaccelerometerReal-time Measurement on Spacecraft Board
The result's identifiers
Result code in IS VaVaI
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Modelling of the Microaccelerometer MAC Translation Control ? Measurement Channel
Original language description
As is well known, a spacecraft's trajectory on a low Earth orbit is influenced besides the gravitational force by a number of perturbing factors. It is possible to divide these perturbations into two basic groups: gravitational ? due to Earth's nonidealspheric shape, other celestial bodies attraction (the Sun, the Moon) and non-gravitational ? due to mainly atmospheric drag and direct/indirect solar radiation pressure. A very sensitive electrostatic feed-back threeaxes and symmetrical microaccelerometer MAC with the cubic proof mass has been developed for the measurement of accelerations arising by virtue of non-gravitational perturbations acting on the spacecraft board. The article describes a performance model of the microaccelerometer measurement channel in one axis and its analysis.
Czech name
Modelování translačního kanálu řízení (měření) mikroakcelerometru MAC
Czech description
Článek popisuje postup simulace funkce translačního kanálu řízení mikroakcelerometru MAC v prostředí SIMULINK. Základem modelu jsou bloková schémata kanálu a systém rovnic popisující funkční vazbu mezi vstupem (zrychlení) a výstupem (napětí). Pozornost byla věnována simulaci polohového detektoru, který je charakterizován koeficientem přenosu, vlastním šumem a teplotní závislostí (variace nuly). Podmínky modelování odpovídají realizačnímu projektu TEASER ? rozměry a hmotnost družice, parametry oběžné dráhy, teplotní prostředí.
Classification
Type
Jx - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JV - Cosmic technologies
OECD FORD branch
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Result continuities
Project
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2007
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Czech Aerospace Proceedings / Letecký zpravodaj
ISSN
1211-877X
e-ISSN
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Volume of the periodical
2007
Issue of the periodical within the volume
3
Country of publishing house
CZ - CZECH REPUBLIC
Number of pages
4
Pages from-to
62-65
UT code for WoS article
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EID of the result in the Scopus database
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Basic information
Result type
Jx - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP
JV - Cosmic technologies
Year of implementation
2007