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Paper Information

Journal:   JOURNAL OF SPACE SCIENCE AND TECHNOLOGY (JSST)   SPRING 2009 , Volume 2 , Number 3; Page(s) 25 To 34.
 
Paper: 

ANALYSIS OF RANDOM POSITIONING SYSTEM FOR SIMULATION OF MICROGRAVITY

 
 
Author(s):  TAHAYE ABADI M.*, KASHANI H., ARIAEIFAR N.
 
* AEROSPACE RESEARCH INSTITUTE, TEHRAN, IRAN, POSTAL CODE: 1465774111
 
Abstract: 

The paper presents a kinematical model for a random positioning system which simulates microgravity conditions on the ground. The random positioning system contains two frames, with an experiment platform. The frames are rotated around two perpendicular axes by a random angular velocity that it causes continuous changes in the orientation of experimental sample relative to the gravity's vector. The angular velocity between random values is changed based on specific function in order to limit the generated spurious acceleration below a preselected threshold. The kinematical model yields criteria to evaluate the microgravity conditions on ground base. Such criteria are defined based on the mean values of acceleration and gravity components which are sensed by the rotating experimental sample.

 
Keyword(s): MICROGRAVITY, RANDOM POSITIONING, KINEMATICAL ANALYSIS
 
References: 
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