IDENTIFICATION OF SOURCES OF DISTURBANCES DURING DISRUPTION OF
MICROGRAVITY ON THE INTERNATIONAL SPACE STATION (IDENTIFIKATSIYA)
Research Area: Microgravity Environment Measurement
Expedition(s): 1-ongoing
Principal Investigator(s): ● Anatoli I. Likhoded, PhD, Central Research Institute for
Machine Building, Korolev, Russia
RESEARCH OBJECTIVES
Identification of Sources of Disturbances During Disruption of Microgravity on the International
Space Station (Identifikatsiya) measures accelerations and microaccelerations performed during
dynamic operations: docking, undocking, orbital reboost, and other operations during which
the International Space Station (ISS) structures are exposed to force loads. Telemetry analysis is
used to determine dynamic characteristics and update the mathematical model of the ISS,
taking into account changes to its configuration.
SPACE BENEFITS
The results of the experiments will be useful in the creation and use of large-scale structures in
space. The performance of Identifikatsiya is the only opportunity to experimentally confirm the
reliability of the assessments of actual spectra of cyclical loading (in terms of loading levels and
the number of cycles experienced) and for assessment of the conditions of microgravity in
various working
compartments in the
station. These results are
the foundation for
assessing the degree of
reliability and
experimental monitoring
of the depletion of the
lifetime of ISS structure,
which is particularly
relevant with regard to
extending the station's life.
RESULTS
During the course of
Identifikatsiya, a large
amount of factual material,
requiring systematization, was compiled on force loading and acceleration fields, which were
recorded by onboard accelerometers that were located on ISS RS modules. Essentially, a
database of samples of various external force loads was created. The measurement results
obtained made it possible to determine the dynamic characteristics for various ISS
configurations and to obtain data on the level and nature of propagation of dynamic
S135E011814 – International Space Station in the early hours of July 19,
2011.