To accurately calculate an attached angle of an accelerometer and accurately correct an acceleration that is obtained from the accelerometer. A frequency analyzing module 11 of an acceleration corrector 10 divides a sensor coordinate system acceleration in...

The method involves estimating a turn rate of an aircraft (1) by estimating an angular speed measurement on a vertical geometrical axis. North and east horizontal components (34-36) of corrections of linear acceleration, angular speed and angular accelerat...

Methods and apparatus for: (a) the correction of one or more elements determined from a first set of continuous gyro and accelerometer measurements comprising using a second set of discontinuously measured higher accuracy accelerometer measurements doubly ...