A real|time calibration method of magnetometer array's ...

A real-time calibration method of magnetometer array's ...

Highlights. •. An ac modulated three-axis coil calibrates misalignment errors of magnetometer array. •. Varied currents of coils eliminate the necessity of non- ...

A real-time calibration method of magnetometer array's ...

We propose a real-time calibration method of magnetometer array's misalignment errors, which utilizes a standard three-axis coil to generate an alternating ...

A real-time calibration method of magnetometer array's ... - NASA ADS

The misalignment errors of magnetometer array are vulnerable to vibrations, which deteriorates the magnetic anomaly detection performance severely and ...

A real-time calibration method of magnetometer array's ... - OUCI

A real-time calibration method of magnetometer array's misalignment errors with ac modulated three-axis coil ... Authors: Yushu Xu; Yao Wang; Leixiang Bian ...

A real-time calibration method of magnetometer array's ... - CoLab

We propose a real-time calibration method of magnetometer array's misalignment errors, which utilizes a standard three-axis coil to generate ...

A way to calibrate a magnetometer - Teslabs Engineering

Initially, let's assume that we are in a magnetic disturbance free environment and that we have an ideal 3-axis magnetometer. Under these conditions, a ...

How to Calibrate a Magnetometer | Digi-Key Electronics - YouTube

Magnetometers are fantastic sensors that allow you to measure the strength and direction of magnetic fields. With a little bit of math, ...

Calibration of Magnetometer Arrays in Magnetic Field Gradients

The calibration procedure is completed at one point, which avoids problems with spatial nonuniformity of the magnetic field. Simulations confirm ...

Calibration of a magnetometer array using motion capture equipment

This paper studies the problem of calibrating an array of single-axis magnetometers in an unknown static inhomogeneous magnetic field using motion capture ...

A Practicable Method for Calibrating a Magnetic Sensor Array

However, it lacks explicit and quantitative measures on how to calibrate a magnetic sensor array. By using magnetic fields produced by a ...

Magnetometer Calibrations and the Inertial Labs INS-P

A possible application using this type of calibration method is bathymetric surveillance. During the INS data accumulation, the object should be ...

A Fast Calibration Method for Magnetometer Array and the ...

In order to correct the measurement errors, a calibration method with less computation time is proposed. A magnetometer array is designed ...

Magnetometer Calibration - MATLAB & Simulink - MathWorks

In order to be useful for heading and orientation computation, typical low cost MEMS magnetometers need to be calibrated to compensate for environmental noise ...

US9229084B2 - Magnetometer calibration - Google Patents

A real-time calibration system and method for a mobile device having an onboard magnetometer uses an estimator to estimate magnetometer calibration ...

A New Calibration Method of Three Axis Magnetometer With ...

Experimental results show that after nonlinearity suppression, the root-mean-square error of calibration can be reduced by three times. It ...

Calibration of a magnetometer array using motion capture equipment

A proof of identifiability is given, practical identifiability of calibration parameters is established in simulation, and real world experiments are ...

An improved magnetometer calibration and compensation method ...

The calibrated data are added to the EKF algorithm of magnetometer data fusion to calculate the attitude angle in real time. EKF used for ...

Magnetometer :: Robotics Tutorials

The Magnetometer calibration technique involves taking unfiltered and uncalibrated data and fitting the data points to a quadratic surface using multiple ...

System for continuously calibrating a magnetic imaging array

A calibration system and method is described to continuously measure and adjust several parameters of a magnetic imaging array.

Calibration of a magnetometer array using motion capture equipment

Finally, Section V shows the results of applying this technique in real-world ... as a function of time t with ti ≤ t ≤ tf . The time- dependency ...