Method and device for simultaneous identification and correction of errors in the measurements of a magnetometer

摘要

The present invention relates to a method and a device for correcting measurement errors of a magnetometer mounted on a vehicle. According to the method, a theoretical corrective model is defined in accordance with the following equation: ##EQU1## where [A], [C]i and Hp are elements to be determined, Hm is the measured field, H the effective field, and [M] is a transformation matrix, and in which a vector error is defined in accordance with the following equation: ##EQU2## where the square of the error thus defined is determined and the coefficients of the model which minimize the sum of the squares of the error moduli for all the measurements taken are identified.