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Three-component magnetic sensor error correction method based on seagull algorithm

A three-component magnetism and sensor technology, which is applied in three-component magnetometers, measuring magnetic variables, and the size/direction of the magnetic field, etc., can solve the problems of insufficient accuracy and running speed, and achieve simultaneous realization, achieving fast running speed and simple code , the effect of strong global convergence and local convergence ability

Pending Publication Date: 2021-02-12
NORTHWESTERN POLYTECHNICAL UNIV
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Problems solved by technology

[0002] At present, scholars at home and abroad have proposed many methods for the calibration of three-component magnetic sensors, such as linear neural network, ellipse fitting method, etc.

Method used

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  • Three-component magnetic sensor error correction method based on seagull algorithm
  • Three-component magnetic sensor error correction method based on seagull algorithm
  • Three-component magnetic sensor error correction method based on seagull algorithm

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Embodiment Construction

[0052] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0053] refer to Figure 1 to Figure 9 , a three-component magnetic sensor error correction method based on the seagull algorithm, including:

[0054] Establish a magnetic sensor error model;

[0055] Total compensation method;

[0056] Based on the seagull algorithm to solve the compensation coefficient calculation.

[0057] The method of the present invention adopts the seagull algorithm with simple code, fast running speed, and relatively strong global convergence and local convergence capabilities.

[0058] 1. Magnetic sensor error model

[0059] The three-component magnetic sensor needs to...

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Abstract

The invention discloses a three-component magnetic sensor error correction method based on a seagull algorithm. The method comprises the steps: establishing a magnetic sensor error model; adopting a compensation method; and calculating a compensation coefficient based on the seagull algorithm. According to the method, the adopted seagull algorithm is simple in code, the operation speed is high, and the global convergence capacity and the local convergence capacity are high.

Description

technical field [0001] The invention relates to magnetic sensor error correction, in particular to a three-component magnetic sensor error correction method based on seagull algorithm. Background technique [0002] At present, scholars at home and abroad have proposed many methods for the calibration of three-component magnetic sensors, including linear neural networks, ellipse fitting methods, etc., but the algorithms used for calibration are not accurate enough and running fast, and even cannot achieve both at the same time. Contents of the invention [0003] The main purpose of the present invention is to provide a three-component magnetic sensor error correction method based on the Seagull algorithm. [0004] The technical solution adopted in the present invention is: a three-component magnetic sensor error correction method based on the seagull algorithm, comprising: [0005] Establish a magnetic sensor error model; [0006] Total compensation method; [0007] Base...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R33/02G01R33/00
CPCG01R33/0206G01R33/0035
Inventor 刘建国孙扬
Owner NORTHWESTERN POLYTECHNICAL UNIV
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