Motus

USD 8,200

Volume discounts available

Motus is an ultra-high accuracy MEMS IMU that combines low SWaP-C and FOG-like performance.

Roll & Pitch
0.05 °
Heading (Magnetic)
0.8 °
Bias Instability
0.2 °/hr
Update Rate
1000 Hz

Motus features some of the highest accuracy MEMS accelerometers and gyroscopes combined with a sophisticated fusion algorithm to offer FOG-like performance. Its market-leading SWaP-C (Size, Weight, Power, and Cost) make it ideal for autonomous system applications. Motus is available in both OEM and rugged packages.

Ultra-High Accuracy MEMS

Motus features some of the highest accuracy MEMS accelerometers and gyroscopes currently available. Motus’s inertial performance exceeds some FOG IMUs and is up to 100x smaller and 10x cheaper. Motus is put through Advanced Navigation’s intensive calibration process to provide consistently accurate data over an extended temperature range of -40°C to 85°C.

Miniature Package

Never before has such high inertial performance been available in such a small package. Motus consumes just over 1 cubic inch in volume and weighs only 26 grams. This makes it ideal for weight and size sensitive applications. Motus is available in an OEM package suitable for integration into larger products or an enclosed package for external and standalone use.

Advanced Signal Processing

Motus samples its sensors synchronously at 1000Hz through six individual 24-bit differential ADCs which minimises noise as well as providing optimal thermal calibration and performance characteristics. 14 seperate heavily filtered regulated power supplies ensure that each sensor and ADC is operating off the cleanest possible power supply.

Reliability

Motus has been designed from the ground up for mission critical control applications where reliability is very important. It is built on top of a safety oriented real time operating system and all software is designed and tested to safety standards with fault tolerance in mind. The hardware is designed and manufactured to mil standards.

High Update Rate

Motus outputs temperature calibrated sensor data at 1000Hz as well as filtered attitude at the same rate. This allows for control of dynamically unstable platforms.

Applications

Specifications

Navigation

Roll & Pitch Accuracy
0.05 °
Heading Accuracy (magnetic)
0.8 °
Roll & Pitch Accuracy (external GNSS aided)
0.03 °
Heading Accuracy (external GNSS aided)
0.05 °
Horizontal Position Accuracy (external GNSS aided)
0.8 m
Vertical Position Accuracy (external GNSS aided)
1.5 m
Velocity Accuracy (external GNSS aided)
0.007 m/s
Orientation Range
Unlimited
Hot Start Time
500 ms
Internal Filter Rate
1000 Hz
Output Data Rate
Up to 1000 Hz

Sensors

Accelerometers

Range
±10 g
Bias Instability
8 ug
Initial Bias
< 0.45 mg
Initial Scaling Error
< 0.03 %
Scale Factor Stability
< 0.04 %
Non-linearity
< 0.05 %
Cross-axis Alignment Error
< 0.05 °
Noise Density
2 ug/√Hz
Bandwidth
250 Hz

Gyroscopes

Range
±475 °/s
Bias Instability
0.2 °/hr
Initial Bias
< 3 °/hr
Initial Scaling Error
< 0.02 %
Scale Factor Stability
< 0.03 %
Non-linearity
< 0.03 %
Cross-axis Alignment Error
< 0.05 °
Noise Density
6 °/hr/√Hz
Bandwidth
200 Hz

Magnetometers

Range
±8 G
Initial Scaling Error
< 0.07 %
Scale Factor Stability
< 0.09 %
Non-linearity
< 0.08 %
Cross-axis Alignment Error
< 0.05 °
Noise Density
210 uG/√Hz
Bandwidth
110 Hz

Communication

Interface (OEM)
UART
Interface (Enclosed)
RS232 (RS422 version available)
Speed
4800 to 2M baud
Protocol
AN Packet Protocol or NMEA
Peripheral Interface
2x GPIO and Auxiliary RS232
GPIO Level
5 - 20 V
GPIO Functions
1PPS Input • Sensor sync input • Sensor sync output • Odometer • Stationary • Air Data Input • NMEA input/output • Novatel GNSS input • Trimble GNSS input • AN Packet Protocol

Hardware

Operating Voltage (OEM)
4.5 to 5.5 V
Operating Voltage (Enclosed)
5 to 36 V
Input Protection (Enclosed Only)
±60 V
Power Consumption (Typical)
1.4 W
Hot Start Battery Capacity
> 48 hrs
Hot Start Battery Charge Time
30 mins
Hot Start Battery Endurance
> 10 years
Operating Temperature
-40 °C to 85 °C
Environmental Protection (Enclosed)
IP67 / MIL-STD-810G
MTBF
200,000 hrs
Shock Limit
150 g, 6 ms, half sine
Vibration Limit
8 g RMS
Dimensions (OEM)
34 x 39 x 24 mm
Dimensions (Enclosed)
42 x 67 x 30 mm
Weight (OEM)
26 grams
Weight (Enclosed)
98 grams

Documentation

Datasheet
28 Sep 2021 - V2.1
Reference Manual (PDF)
25 Oct 2021 - V2.3
3D Model
29 Oct 2020 - V2.1
OEM 3D Model
29 Oct 2020 - V2.0

Software

Motus Firmware

The firmware for all hardware versions of Motus. This can be loaded onto Motus using the Motus Manager software. The changelog can be found in the Motus reference manual.

10 Sep 2021 – V2.3

Motus Manager

Motus Manager is the software provided for testing, configuration and logging with Motus. Please see the Motus reference manual for more information. Java is required to run this program.

22 Oct 2020 – V5.6

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