Determination and Analysis of Magnetic Interference on ISS (Iskazhenie) - 10.25.17

Overview | Description | Applications | Operations | Results | Publications | Imagery

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The following content was provided by Mikhail Yurievich Belyaev, and is maintained in a database by the ISS Program Science Office.
Experiment Details

OpNom:

Principal Investigator(s)
Mikhail Yurievich Belyaev, S.P. Korolev RSC "Energia", Korolev, Russia

Co-Investigator(s)/Collaborator(s)
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Developer(s)
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Sponsoring Space Agency
Russian Federal Space Agency (Roscosmos)

Sponsoring Organization
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Research Benefits
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ISS Expedition Duration
November 2000 - December 2002; November 2002 - May 2003; April 2003 - October 2004

Expeditions Assigned
1,2,3,4,5,6,7,8,9

Previous Missions
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Experiment Description

Research Overview
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Description
Determination and analysis of magnetic interference at ISS to improve the attitude determination accuracy and account for impact of the station magnetic field on the experiments and investigations performed at the ISS.

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Applications

Space Applications
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Earth Applications
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Operations

Operational Requirements and Protocols
Guidance and navigation control system sensors, magnetometer to determine the station motion parameters and magnetic field parameters.
Study of the station proper magnetic field impact on the attitude determination accuracy by means of magnetometers. Investigation of errors of the station magnetic field affecting the accuracy of other science experiment results. Measurement of the ISS proper magnetic field.

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Decadal Survey Recommendations

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Results/More Information

During Iskazheniye, information was obtained on the actual magnetic interference during the operation of station service and scientific equipment, and the contribution of ISS RS systems and equipment to the distortion of magnetometer readings with regards to orientation errors was determined.

Based on the experiment results, mathematical models were developed that describe the magnetic interference occurring on the ISS in flight, the Earth's magnetic field, and methods for processing the obtained measurements [data] accounting for disturbances from magnetically hard materials, magnetically soft materials, and current loops.

Based on the obtained data, the mathematical model was created and updated to account for the ISS own magnetic field during various operating modes of its equipment and systems, which facilitated the increase of the station orientation control accuracy.

To date, based on the considerations of the ISS own magnetic field, according to specially developed methods and mathematical models for the current station configuration, the accuracy of orientation control using magnetometers was increased from 14 - 12° to 2 - 1.5° (according to the results of periodical updates of the deviation vector, which increases as the assembly of the ISS goes forward).

Therefore, the results obtained in the Iskazheniye provide additional capabilities for solving flight control issues, experiment planning, and analysis of obtained research results.

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Related Websites
Energia - Science Research on the ISS Russian Segment

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Imagery