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WTGAHRS1 Ten-axis inertial navigation sensor features mems imu

WTGAHRS1 is a ten-axis navigation sensor that integrates high-precision gyroscopes, accelerometers, and magnetometers. Utilizing advanced dynamic calculations and Kalman dynamic filtering algorithms, it can swiftly and accurately determine the real-time motion attitude of the module. Capable of providing precise attitude information in dynamic environments, the attitude measurement accuracy reaches up to 0.2°, exhibiting outstanding stability that even surpasses some professional inclinometers. Furthermore, the module addresses the cumulative errors resulting from gyroscopic integration drift in the six-axis algorithm, and by filtering the Z-axis heading angle through the magnetometer, it can continuously output stable heading angle data over extended periods.
Description

Overview

This module seamlessly integrates highly precise gyroscopes, accelerometers, and geomagnetic field sensors, utilizing cutting-edge microprocessors and advanced dynamics calculation alongside Kalman dynamic filtering algorithms to swiftly determine the present real-time motion posture of the module.

 

By leveraging sophisticated digital filtering technology, this sensor effectively mitigates measurement noise, thereby augmenting measurement precision significantly.

 

Equipped with an embedded attitude solver, this module, in conjunction with the dynamic Kalman filter algorithm, adeptly delivers the current attitude of the module in dynamic settings with remarkable precision. With an exceptional attitude measurement accuracy of 0.2° and superior stability, its performance surpasses that of certain professional inclination angle instruments.

 

By incorporating the Z-axis heading angle into the geomagnetic sensor fusion filter, this sensor efficiently resolves cumulative errors stemming from gyroscope integral drift in the 6-axis algorithm, ensuring stable output of heading angle data over extended periods.

 

Specifications

Accelerometer parameters

Parameters

Condition

Typical value

Measuring range

/

±16g

Resolution ratio

±16g

0.0005(g/LSB)

RMS noise

Bandwidth=100Hz

0.75~1mg-rms

Static zero drift

Place horizontally

±20~40mg

Temperature drift

-40°C ~ +85°C

±0.15mg/

Bandwidth

/

5~256Hz

Gyroscope parameters

Parameters

Condition

Typical value

Measuring range

/

±2000°/s

Resolution ratio

±2000°/s

0.061(°/s)/(LSB)

RMS noise

Bandwidth=100Hz

0.028~0.07(°/s)-rms

Static zero drift

Place horizontally

±0.5~1°/s

Temperature drift

-40°C ~ +85°C

±0.005~0.015 (°/s)/

Bandwidth

/

5~256Hz

Magnetometer parameters

parameters

Condition

Typical value

Measuring range

/

±2Gauss

Resolution ratio

±2Gauss

0.0667mGauss/LSB

Pitch and roll angle parameters

parameters

Condition

Typical value

Measuring range

/

X:±180°  

Y:±90°

Inclination accuracy

/

0.2°

Resolution ratio

Place horizontally

0.0055°

Temperature drift

-40°C ~ +85°C

±0.5~1°

Heading angle parameter

parameters

Condition

Typical value

Measuring range

/

Z:±180°

heading accuracy

9-axis algorithm, magnetic field calibration, dynamic/static

Without interference from magnetic fields)【1

6-axis algorithm, static

0.5°Dynamic integral cumulative error exists

2

Resolution ratio

Place horizontally

0.0055°

Module parameters

Parameter

Condition

minimum value

Default

maximum value

Communication Interface

UART

115200bps

115200bps

115200bps

Output content

/

3-axis acceleration, 3-axis angular velocity, 3-axis magnetic field, 3-axis

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E-Mail: h@mice-yun.com

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