| 摘要 |
A device for determining the operational condition of a mechanical apparatus (11-15) mounted in or to a spacecraft (10) which includes an acceleration pickup (20) attached to the spacecraft (10) for measuring the acceleration of the spacecraft (10), and an operational condition determination device with a memory for prestored known acceleration patterns of the apparatus (11-15). The acceleration patterns or parameters of the spacecraft (10) detected by the acceleration pickup (20) are compared with the known acceleration patterns or parameters of the apparatus (11-15) from the memory to determine the operational condition of the apparatus (11-15).
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