D-optimal six position testing method for dynamically tuned gyro

The construction of a D-optimal six position experimental design for the two-degree of freedom dynamically tuned gyroscope was presented, in order to improve estimate accuracy of the acceleration-insensitive drift rate and acceleration-sensitive drift rate coefficients of the assumed error model at reasonable experimental cost. The basis idea is to choose six measurement positions to build a D-optimal experiment by applying the symmetric separate design method of orthogonal design. In order to test the efficiency of D-optimal six position experimental design, a series of lab tests were conducted to compare the coefficients solution computed with a usual experimental design in ANSI/IEEE Std 813-1988 and the D-optimal six position experimental design. Tests results show that the D-optimal six position experimental design provides at least same accurate estimates of the acceleration-insensitive drift rate and acceleration-sensitive drift rate coefficients compared to a usual experimental design in ANSI/IEEE Std 813-1988 at less experimental cost.