| Autor: |
S. Drees, H.-E. Richter, H. Hamacher |
| Rok vydání: |
2003 |
| Předmět: |
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| Zdroj: |
IMTC/99. Proceedings of the 16th IEEE Instrumentation and Measurement Technology Conference (Cat. No.99CH36309). |
| DOI: |
10.1109/imtc.1999.776755 |
| Popis: |
The characterization of the microgravity environment of the International Space Station (ISS) demands acceleration measurements at various locations of the spacecraft between 0 Hz and 300 Hz. The lowest residual acceleration occurs in the quasi-static or low frequency range between 0 Hz and 0.01 Hz, where the level reaches the sub-/spl mu/g range (1 /spl mu/g=10/sup -6/ g, 1 g=9.81 m/s/sup 2/). This requires on-orbit calibration which has to be repeated from time to time to eliminate the sensor bias and its drift. The accelerometer system QSAM (quasi-steady acceleration measurement) has been developed for this purpose and was recently flown on the Space Shuttle MSL-1 mission. The combination of flipping and fixed sensors allows calibration during any operational state of the spacecraft providing a continuous set of acceleration data not interrupted by the calibration process. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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