A New Gyroscope Centrifuge Test

摘要

A new approach is proposed for the evaluation of a gyroscope on a precision centrifuge using a counter-rotating platform (CRP) on which a precison rate table is mounted. This method permits an independent solution to be obtained for the gyro error model coefficients every eight seconds. In this way, the short-term characteristics of the individual drift coefficients can be studied. The higher input acceleration levels provided by the centrifuge gives better coefficient recovery and allows an investigation of their linearity. An analysis of the potential error sources indicates that the gyro alignment, rate table drive accuracy, torque loop frequency response and synchronous CRP operation are important considerations. Extensive gyro and centrifuge instrumentation is required to adequately measure the test environment and to verify or modify the analytical models. Suggested further studies and hardware evaluation tasks are outlined and recommended as follow-on efforts to insure the successful implementation of the novel test procedure. (Author)