نتایج جستجو برای: magnetometer calibration

تعداد نتایج: 59146  

2009
Ella M. Atkins Jeremy Green Jianliang Yi Honguk Woo James Browne Aloysius Mok Fei Xie

The TableSat single degree-of-freedom tabletop satellite platform was developed to support education and research activities in embedded software and control systems. This paper describes the TableSat system, actuated by a pair of computer fans as thrusters, and then focuses on the evolution of its software for sensor calibration and fault-tolerant control. Sensor systems include a three-axis m...

2006
C. C. Foster G. H. Elkaim

We present an extension of the non-linear two-step estimation algorithm originally developed for the calibration of solid-state strapdown magnetometers. We expand the algorithm to include nonorthogonality within a sensor set for both two and three axis sensors. Non-orthogonality can result from manufacturing issues, installation geometry, and in the case of magnetometers, soft iron bias errors....

2012
W.J. Baker K. Ambal D.P. Waters R. Baarda H. Morishita K. van Schooten D.R. McCamey J.M. Lupton C. Boehme

Magnetic field sensors based on organic thin-film materials have attracted considerable interest in recent years as they can be manufactured at very low cost and on flexible substrates. However, the technological relevance of such magnetoresistive sensors is limited owing to their narrow magnetic field ranges (∼30 mT) and the continuous calibration required to compensate temperature fluctuation...

In a strapdown magnetic compass, heading angle is estimated using the Earth's magnetic field measured by Three-Axis Magnetometers (TAM). However, due to several inevitable errors in the magnetic system, such as sensitivity errors, non-orthogonal and misalignment errors, hard iron and soft iron errors, measurement noises and local magnetic fields, there are large error between the magnetometers'...

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