نتایج جستجو برای: magnetometer calibration

تعداد نتایج: 59146  

2017
Deng Yang Zheng You Bin Li Wenrui Duan Binwen Yuan

Magnetometers combined with inertial sensors are widely used for orientation estimation, and calibrations are necessary to achieve high accuracy. This paper presents a complete tri-axis magnetometer calibration algorithm with a gyro auxiliary. The magnetic distortions and sensor errors, including the misalignment error between the magnetometer and assembled platform, are compensated after calib...

1990
Katsuharu KOIKE Shinzaburo NAKAJIMA Yukihiro SHIMIZU

We examined the efficiency of the flux-gate magnetometers, MB-160 and MB-162, Shimadzu, which we use for variation observation at the Kakioka Magnetic Observatory. We also examined our method and the equipment for the calibration of the installed calibration apparatus in the flux-gate magnetometer. On the basis of examinations, we obtained the following conclusions: 1. Using our equipment for t...

Journal: :IEEE Sensors Journal 2017

Journal: :Facta universitatis - series: Electronics and Energetics 2018

2011
J. W. Cutler VARYING BIAS John C. Springmann James W. Cutler

We present a method for on-orbit, attitudeindependent magnetometer calibration that includes the effect of time-varying bias due to electronics on-board a spacecraft. The calibration estimates magnetometer scale factors, mis-alignments, and constant as well as time-varying bias. Timevarying effects are mitigated by including spacecraft telemetry in the measurement model and estimating constant ...

2014
Manon Kok Thomas B. Schön

Magnetometers and inertial sensors (accelerometers and gyroscopes) are widely used to estimate 3D orientation. For the orientation estimates to be accurate, the sensor axes need to be aligned and the magnetometer needs to be calibrated for sensor errors and for the presence of magnetic disturbances. In this work we use a grey-box system identification approach to compute maximum likelihood esti...

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