SG-11 series low-precision fiber optic gyroscope inertial navigation systems
Product features
- Small – sized and light – weight, low – precision inertial navigation system.
- Simultaneously output inertial measurement unit and gyro data.
- Dual GPS/Beidou antennas, enabling satellite orientation.
Overall dimensions
| Inertial navigation model | Measurement | Weight | Installation dimension |
|---|---|---|---|
| SG-11-A | ≤100mm×80mm×80mm | ≤810g | Refer to the specific requireme nts. |
| SG-11-B | ≤100mm×80mm×80mm | ≤850g | Refer to the specific requirem ents. |
Technical indicators
| Parameters of fiber optic gyroscope | Unit | SG-11-A | SG-11-B |
|---|---|---|---|
| Zero – bias stability (10s, 1σ, constant temperature) | °/h | ≤0.3 | ≤0.1 |
| Zero – bias repeatability (1σ, constant temperature) | °/h | ≤0.3 | ≤0.1 |
| Random walk coefficient | °/h1/2 | ≤0.05 | ≤0.01 |
| Scale factor nonlinearity | ppm | ≤50 | ≤50 |
| Scale factor asymmetry | ppm | ≤50 | ≤50 |
| Scale factor repeatability | ppm | ≤100 | ≤100 |
| Dynamic range | °/s | ≤500 | ≤500 |
| Bandwidth | Hz | ≥500 | ≥500 |
| Parameters of accelerometer | SG-11-A | SG-11-B | |
|---|---|---|---|
| Bias stability (10s, 1σ) | mg | ≤0.1 | ≤0.1 |
| Bias repeatability | mg | ≤0.1 | ≤0.1 |
| Full – temperature bias stability (10s, 1σ) | mg | ≤1 | ≤1 |
| System parameters | SG-11-A | SG-11-B | |
|---|---|---|---|
| Pure inertial alignment time | min | ≤5 | ≤5 |
| Pure inertial alignment accuracy (1σ) | ° | ≤0.5 | ≤0.3 |
| Satellite alignment accuracy (1σ) | ° | ≤0.1 | ≤0.1 |
| Heading and attitude accuracy (1σ) | ° | ≤0.5 | ≤0.5 |
| Horizontal positioning accuracy | m | ≤10 | ≤10 |
| Horizontal motion velocity measurement accuracy | m/s | ≤0.1 | ≤0.1 |
| Operating temperature | °C | -45 ~ +60 | -45 ~ +60 |
| Overall dimensions / Outline dimensions | mm | ≤100×80×80 | ≤100×80×80 |
| Weight | g | ≤810 | ≤850 |
| Power supply and communication mode | It is powered by a 24V power supply and communicates via RS422 serial port. | ||