Determining and Analyzing the Magnetic Interference on the ISS (Iskazhenie) - 06.06.18

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

ISS Science for Everyone

Science Objectives for Everyone
The Determing and Analyzing the Magnetic Interference on the ISS (Iskazheniye) investigation determines and analyzes the magnetic interference on the ISS to improve the accuracy of determining orientation using magnetic measurements sensors and to support the high-quality analysis of scientific experiments, in which Earth’s magnetic field (EFM) is used, or accounted for.
Science Results for Everyone
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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


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

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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

Previous Missions
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Experiment Description

Research Overview
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Space Applications
The mathematical model created and updated based on the ISS magnetic interference data obtained in the Iskazheniye experiment during various equipment operating modes will make it possible, in the stage of nominal station operations, with an accuracy acceptable for flight control, to adjust station orientation using sensors that require minimal energy consumption. In addition, this model will make it possible not only to account for the impact of interference on some scientific research devices, but also to support optimal planning of operations with them. The results of this space experiment may be used to design and control other spacecraft and to conduct research on them.

Earth Applications
The Earth Application for this investigation has yet to be identified.

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Operational Requirements and Protocols
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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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