Abstract
We consider data acquisition and control system used in the test rig for measuring the center of gravity coordinates and inertia tensor of spacecrafts. Structure of the system is described. Technical specifications and metrological parameters are presented for the module which measures static and dynamic signals of strain gauge dynamometers and for the module which measures the signals of angular oscillation sensor installed on the test rig measuring platform; these oscillations are generated using electric motors and special control hardware. Finally, we describe the system software used to acquire and process the data and to display the measurement results.
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