gX-100 VG/IMU/AHRS

MEMS-Based Attitude & Heading Reference System

The gX-100 is tactical grade MEMS-Based miniature, rugged hi-performance VG/IMU/AHRS unit compromising 3-axis accelerometers, 3-axis gyroscopes, and 3-axis magnetometer, providing calibrated, compensated raw data.

The gX-100 supports several different working modes:

  • Vertical Gyro (VG) – Providing Roll/Pitch under static & dynamic conditions
  • Inertial Measurement Unit (IMU) – Providing compensated & calibrated raw data
  • Attitude Heading reference System (AHRS) – providing Roll/Pitch/Yaw of the body

Main Features

Roll/Pitch < 0.1⁰

Tactical-Grade Accelerometer < 1mg over Full Temp Range

Gyro Bias Stability 0.8 °/Hr

Low VRE < 100 µg/g2

Update Rate 1,000 Hz

Low Power Consumption 250 mA @ 12VDC

Rugged Design Mil-Spec Compliance

ITAR/MTCR-Free

Applications

Camera Gimbal

Tracking Antenna Systems

Optical Systems

Armored Vehicles

UAV/UGV

Target Acquisition systems

Radar North Finding system

Inertial Navigation (GNSS/INS)

Specifications

Magnetic2.0°
Pitch/Roll
- Dynamic0.10°
- Static0.05°
Position - Horizontal1.5 m
SBAS< 0.5 m
RTK10 mm + 1ppm
Position - Vertical2.5 m
SBAS< 1 m
RTK1.5 cm + 1ppm
Velocity Accuracy< 0.05 m/sec (rms)
Output Rate1000 Hz
Latency< 5 msec
Receiver TypeMulti – Frequency / Multi – Constellations
1408 Channels
GPS L1/L2
Glonass L1/L2
SBAS
RTKBDS B1/B2
Galileo E1/E5b
QZSS L1/L5
Update Rate20 Hz
TTFFCold start < 30 sec
Warm start < 1 sec
RTK formatRTCM v2.3/3.0/3.2
Initialization Time< 5 sec
Velocity Accuracy0.03 m/sec (rms)
Time Accuracy20 ns (rms)
IMURaw Data & Compensated Gyro, Acc, Mag, Baro, Conning & Sculling
(ΔV ,ΔΘ)
AccelerometerGyroscopeMagnetometer
Full Scale Range ± 10g± 100° /sec | ± 300° /sec+2 Gauss
Bandwidth0…250Hz0…250 Hz10 Hz
Non Linearity0.2%< 0.05 % 0.1%
Bias
- Stability In< 20 µg< 0.8 °/hr
- Repeatability ToTo± 300 µg< 20 °/hr
Day-To-day< 400 µg< 15 °/hr
One Year1500 µg
Over Full Temp< 500 µg< 60 °/hr
Over 20°C span< 500 µg< 20 °/hr
Hysteresis< 150 µg< 30 °/hr
Scale Factor
- Repeatability500 ppm100 ppm
- over Temp100 ppm100 ppm
Random Walk0.02 m/sec/√Hr0.07 °/√Hr0
Resolution50 µg0.008 °/sec 1 µT
Noise density<20 µg /√Hz0.03 °/sec/√Hz 300 nT RMS
Vibration Rectification100 µg/g2 R<1°/hr/g2
G-Sensitivity10°/hr/g
Latency < 1 msec
Non-Orthogonality < 300 yRad
MisAlignment<1 mRad2 mRad
Digital InterfaceRS232/RS422
Frame Rate1000 Hz Max
Peripherals2 x GPIO /// 1 x RS232
GPIO FunctionalityTrigger Input
Sync Out
PPS Out
Odometer
External GNSS
External Magnetometer
Air-Data
Start Up Time< 800 msec
Input Voltage9 VDC – 32 VDC
Power (incl. Antenna)250 mA @ 12VDC
ConnectorsPower/Data: Mini D-Type 21-pin
GNSS: SMA
Size80 x 66 x 56 mm
Weight<250 gr
Temp Operation-40° C to +71° C Mil-Spec 810-G Method 501.5 Procedure I
Shock500g, 3mSec ½ Sine Mil-Spec 810-G Method 516.6 Procedure V
Vibration12 G rms, 20-2000 Hz Mil-Spec 810-G Method 514.6 Category 17
Altitude70,000 feet Mil-Spec 810-G Method 500.5 Procedure III
PowerEN55022 Class A&B
EnclosureIP65 EN 595
MTBF50,000 Hours Mil-HDBK 217

DOCUMENTATION AND RESOURCES

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