The influences of the gyro sensors´ errors on the attitude calculus

The paper presents a study about the weight of the different errors of the gyro sensors in the error of attitude angles calculus. For study three types of gyros are selected in order to emphasize the differences in performance currently existing between these categories and the way in which these performances are reflected on to the errors of the attitude angles. To evaluate the errors, the gyros are modeled in Matlab/Simulink using the information from the data sheets and a Savage method to integrate the attitude equation is used. We will further emphasize the influences of noise, bias, gyros accuracy to measure different accelerations and scale factor´s calibration error.