Dry tuned gyroscope error identification
Vladimir Vukmirica
The main sensors in the inertial navigation systems are gyroscopes and linear accelerometers i.e. specific force sensors. Error coefficients of dry tuned gyro, defined by IEEE dry tuned gyro model equation, are obtained by eight position test method. These coefficients have a significant dispersion, especially scale factor and bias. The method of linear gyro characteristics approximation, gives good estimation of gyro scale factor and bias, so it is used in this work in the comparison of “eight position test method”.
Key words: navigation system, inertial system, inertial navigation, dinamically tuned gyroscope, dry tuned gyroscope, sensor error, testing, scale factor, bias.