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Astronaut-induced disturbances in microgravity.

D J Newman¹, M Tryfonidis, M C van Schoor

¹Massachusetts Institute of Technology, Cambridge 02139, USA.

Journal of Spacecraft and Rockets

|March 1, 1997

Summary

Astronauts create disturbances in spaceflight. Dynamic Load Sensors (DLS) measured these forces during the STS-62 mission, providing data on astronaut-induced loads for microgravity research.

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Area of Science:

Spaceflight dynamics
Human factors in microgravity
Structural dynamics

Background:

Previous experiments like Skylab focused on vigorous activities.
The Middeck 0-Gravity Dynamics Experiment (MODE) investigated microgravity effects on large space structures.
Understanding astronaut-induced disturbances is crucial for spacecraft design and mission safety.

Purpose of the Study:

To present data from the Dynamic Load Sensors (DLS) experiment.
To characterize astronaut-induced loads during normal on-orbit activities.
To provide frequency analysis of these disturbances.

Main Methods:

Utilized Dynamic Load Sensors (DLS) during the STS-62 Space Shuttle mission.
Collected data on reaction forces and moments exerted by astronauts.
Performed frequency analysis on the collected force data.

Main Results:

Quantified reaction forces and moments from crew activities.
Characterized astronaut-induced loads during spaceflight.
Provided detailed force data and frequency spectrum.

Conclusions:

The DLS experiment successfully measured astronaut-induced disturbances.
Data provides valuable insights into loads experienced during spaceflight.
Findings contribute to understanding microgravity effects on structures and crew interactions.

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