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Satellite temperature measurement in LEO and improvement method of temperature sensors calibration based on measured data

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F19%3A00332354" target="_blank" >RIV/68407700:21230/19:00332354 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1002/asna.201913671" target="_blank" >https://doi.org/10.1002/asna.201913671</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/asna.201913671" target="_blank" >10.1002/asna.201913671</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Satellite temperature measurement in LEO and improvement method of temperature sensors calibration based on measured data

  • Original language description

    This article describes the temperature measurement and its calibration on board of the nanosatellite CubeSat class VZLUSAT-1. There are several thermometers, installed with an analogue and a digital output, which are necessary for the accurate measurements calibrations under a vacuum condition or for applying post-processing corrections. This document describes the way of calibration in a thermal vacuum chamber and its improvement in orbit. In addition, the paper will discusses the use of a RTD platinum sensors Pt1000 and a digital sensors HYT271 as the reference. A correction variable based on HYT271 compensates a nonlinearity of Pt1000 as well as minimise the influence of change in a measuring current due to temperature changes. The current correction variable is a function of temperature and nanosatellite’s position in the orbit. The measured temperatures are below -70 °C in the Earth’s shadow and greater than +80 °C after irradiation by the Sun. Orbital temperature calibration is performed in two steps. The raw temperatures data obtained during the orbital measurement are being used for further improvement. The measurement cycle consists of the electronics calibration, temperature measurement and temperature calibration. After applying the temperature correction process, the final accuracy is better than, 0.15 °C

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10308 - Astronomy (including astrophysics,space science)

Result continuities

  • Project

    <a href="/en/project/EF16_019%2F0000778" target="_blank" >EF16_019/0000778: Center for advanced applied science</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Astronomische Nachrichten

  • ISSN

    0004-6337

  • e-ISSN

    1521-3994

  • Volume of the periodical

    340

  • Issue of the periodical within the volume

    7

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    6

  • Pages from-to

    652-657

  • UT code for WoS article

    000491150100001

  • EID of the result in the Scopus database

    2-s2.0-85074018494