Highlighting FeaturesØ 4 nine-axis IMU array (Accelero+Gyro+Magnetometers*)Ø Accelerometer:

Ø Gyroscope:

Ø IMUs' placement and orientation to minimize systematic errors

Ø Bluetooth v3.0 and USB 2.0 data interfaces

Ø Floating point Atmel controller with 512 Kb internal flash

Ø Pressure Sensor *, 8 Mb DataFlash memory*

Ø Power with Li-ion battery, USB; Battery charging with USB

Ø ON-OFF switch, LED indicators; Max current: 100mA

Ø USB (Bootloader) programmable; JTAG programmable

Ø Single board; No protruding connector; Low profile

Ø Rechargeable battery; Battery backup:

· MIMU22B9: N.A

· MIMU22B9P: One and a half hour

· MIMU22B9PX: Five hours

Ø Dimensions:

· MIMU22B9: : 20.9 x 22.7 x 5.5 mm; Weight - 3.5 g

· MIMU22BTPX : 42.2 x 27.9 x17.0 mm; Weight - 20g

· MIMU22BTP : 31.0 x 23.5 x 13.5 mm; Weight - 12 g

*As of now, software support for magnetometer, Data Flash memory and pressure sensor is not available

Axis Bias Stability Velocity RandomWalkX 0.021 mg 0.042 m/s/Öhr

Y 0.015 mg 0.042 m/s/Öhr

Z 0.030 mg 0.060 m/s/Öhr

Axis Bias Stability Angle Random Walk X o 2.300 /hr o 0.346 /Öhr

Y o 3.100 /hr o 0.371 /Öhr

Z o 2.400 /hr o 0.387 /Öhr

Osmium MIMU22B9 is an IMU-array based Precision

Wearable Motion Sensor Platform. The Osmium MIMU22B9

comes pre-loaded as a shoe-mounted pedestrian navigation sensor.

Being one of the thinnest IMU in the market, it is suitable for

applications with space constraints, e.g. wearable motion sensing. It

can also be used as normal wireless IMU, thanks to the on-board

Bluetooth. Presence of on-board floating point processing

capability, along with four IMUs array, makes sensor fusion and

motion processing possible within the module itself, which in turn

results in very accurate motion sensing.

OSMIUM MIMU22B9/22B9P/22B9PX

Shoe-mounted Sensors (IMUs)

Value Proposition

Highly accurate API Support Easy Customization Swift Integration

Affordable

Osmium MIMU22B9P/MIMU22B9PX simplifies Pedestrian

Dead Reckoning (PDR) by transmitting step movement

information over Bluetooth, when attached to shoe of a walking

person. Thus any development around it, does not require solving

complex navigational equations. It's sensor array approach, coupled

with internal motion processing and simplified data interface,

results in improved tracking accuracy, relaxes constraints on the

integration platform and significantly reduces time-to-market.

Supporting Software

Ø S/w I2C buses to access IMUs simultaneously

Ø Sensor fusion and calibration compensation

Ø ZUPT based inertial navigation

Ø Command based data interface

Ø Access to intermediate variables

Ø Easy to modify, highly modular s/w design

Endless IoTApplications

Sample Results of PDR Using MIMU22B9P/ MIMU22B9PX

Pedestrian Dead Reckoning (PDR) is simplified with the shoe-

mounted MIMU22B9P/ MIMU22B9PX. The device starts transmitting

location data at every step, on receiving start command from the

application platform. Based on the data, complete path is built in the

application platform DaRe.

Block Diagram shows the interfacing of the microcontroller IMUs,

barometer, USB, BLE and Power Management Unit.

Target Applications:

WarehouseManagement

Urban Mapping &Survey

AutonomousRobotics

RescueOperation

Gait Analysis

Contact Details:

Calibration: A simple calibration

procedure which compensates for

the inter IMU misalignment. We

have used a novel mechanical

–rotation-rig-free calibration

procedure for all MIMU devices. A

simple 3D printable 20-faced

polyhedron (Icosahedron) can do

this job.

Osmium MIMU22B9P/ MIMU22B9PX are used as a

shoe-mounted indoor tracking

d e v i c e . T h e t r a c k i n g

performance of MIMU22B9P /

MIMU22B9PX depends on

mounting procedure. Elastic

shoe mount gives superior

performance compared to other

mounting schemes.

GT SILICON PVT LTD

Kanpur, India

Cell : +91 700 741 0690

Mail: info@inertialelements.com

URL: www.inertialelements.com

© 2017 GT Silicon Pvt Ltd