Rate gyroscope biases play an important role in flight tests requiring flight path reconstruction a method often used in aircraft parameter estimation. The biases can drift with time, be affected by system power up and, ideally, should be calibrated before each flight to maintain optimum performance. This report details a numerical method to determine the biases of high quality flight test rate gyroscopes immediately prior to a flight. The accuracy of the method is such that the earth rate is clearly sensed and accounted for, a variable rarely considered in flight testing. The method requires minimal time and no calibration hardware. (JES)
Accurate Numerical Technique for Determining Flight Test Rate Gyroscope Biases Prior to Takeoff
1989
5 pages
Report
No indication
English
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