FIS1100 Просмотр технического описания (PDF) - Fairchild Semiconductor

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FIS1100

6D Inertial Measurement Unit with Motion Co-Processor and Sensor Fusion Library

Fairchild Semiconductor 

2.3 9D Sensor Fusion and Auto-

Calibration using XKF3

XKF3 is a sensor fusion algorithm, based on Extended

Kalman Filter theory that fuses 3D inertial sensor data

(orientation and velocity increments) and 3D

magnetometer, also known as „9D‟, data to optimally

estimate 3D orientation with respect to an Earth fixed

frame.

A license to use XKF3 in a CMSIS compliant library

form for Cortex M0+, M3, M4, M4F, for commercial

purposes is provided with the FIS1100 Evaluation Kit

(FEBFIS1100MEMS_IMU6D3X).

A restricted-use license for use of XKF3 for commercial

purposes is also granted for certain applications when

XKF3 is used with the FIS1100.

XKF3 is developed by Xsens™, a pioneering company

in inertial based 3D motion tracking. The first generation

9D sensor fusion algorithms were developed by Xsens

more than 15 years ago and have been proven in

demanding 24/7 continuous use for a broad range of

applications; from unmanned underwater robotics to

accurate joint angle measurements for rehabilitation and

sports. The XKF3 algorithm is wholly owned by

Fairchild.

XKF3 only works with the FIS1100 and supported

magnetometers. Refer to the FEBFIS1100 Evaluation

Board document for further details.

For additional information, refer to AN-5084 application

note for more details on XKF3 and its benefits

XKF3 Features:

 Continuous Sensor Auto Calibration, No User

Interaction Required

 High Accuracy, Real-Time, Low-Latency Optimal

estimate of 3D Orientation, up to 1 kHz output data

rate

 Ultra low system power for 3D Orientation enabled

by AttitudeEngine, between 8 to 64 Hz output data

rate without any degradation in accuracy

 Best-in-Class Immunity to Magnetic Distortions

 Best-in-Class Immunity to Transient Accelerations

 Flexible use Scenarios, North Referenced,

Unreferenced

 Extensive Status Reporting for Smooth Integration in

Applications

 Optimized Library for Popular Microcontrollers

© 2015 Fairchild Semiconductor Corporation

FIS1100 • Rev. 1.2

9

www.fairchildsemi.com

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