Model FG-300AH Attitude And Heading Reference System
The FG-300AH Attitude and Heading Reference System (AHRS) is a cost-effective inertial navigation and measurement solution designed to measure three-dimensional attitude, angular velocity, acceleration, and other motion parameters of carriers. Manufactured according to international standards, this system delivers reliable performance in demanding environments.
System Overview
The FG-300AH utilizes fiber-optic gyroscope technology and quartz flexure accelerometers, achieving system accuracy through high-precision error calibration and compensation. Advanced engineering features including electromagnetic shielding, thermal balance design, vibration modal analysis, sealing design, and strict manufacturing processes ensure exceptional environmental adaptability.
Key Features
- Cost-effective fiber optic gyro technology
- System-level error parameter calibration and compensation
- Full temperature domain temperature compensation
- Anti-turbulence self-alignment and moving base self-alignment
- Compatible with satellite navigation, meter, and DVL systems
- Configurable for combined navigation and damped navigation modes
- Built to international standards
Applications
- Marine low and medium accuracy compass systems
- Vehicle navigation and control
- Antenna stabilization control
- Attitude heading reference
- AUV positioning and orientation
Technical Specifications
| Gyroscope Performance |
| Zero bias stability |
0.1°/h, 1σ |
| Zero bias repeatability |
0.1°/h, 1σ |
| Scale factor nonlinearity |
50ppm, 1σ |
| Accelerometer Performance |
| Zero bias stability |
30μg, 1σ |
| Zero bias repeatability |
30μg, 1σ |
| Scale factor stability |
30ppm, 1σ |
| System Performance |
| Start-up time |
10 minutes |
| Attitude accuracy |
0.01°, 1σ |
| Heading accuracy |
0.4*sec(Lat)°, 1σ |
| Position error (with DVL) |
1.5% of distance traveled |
| Measurement Range |
| Angular velocity |
±300°/s |
| Acceleration |
±40g |
| Operating Environment |
| Operating temperature |
-40℃ to +70℃ |
| Storage temperature |
-55℃ to +85℃ |
| Vibration |
0.04g²/Hz @ 2-2000Hz |
| Shock resistance |
30g @ 6ms / 50g @ 11ms |
| Electrical Characteristics |
| Operating voltage |
28VDC |
| Power consumption |
≤14W |
| Communication interface |
RS422/RS232 |
| Physical Characteristics |
| Dimensions (W*D*H) |
88 * 93 * 130mm |
| Weight |
≤1.4kg |