SG-12 low-precision fiber optic gyroscope inertial navigation system
Product features
Overall dimensions
| Inertial navigation model | Measurement | Weight | Installation dimension |
|---|---|---|---|
| SG-12 | ≤130mm×120mm×115mm | ≤2.3Kg | Refer to the specific requirements. |
Technical indicators
| Parameters of fiber optic gyroscope | Unit | Metric |
|---|---|---|
| Zero – bias stability (10s, 1σ, constant temperature) | °/h | ≤0.05 |
| Zero – bias repeatability (1σ, constant temperature) | °/h | ≤0.05 |
| Random walk coefficient | °/h1/2 | ≤0.005 |
| Scale factor nonlinearity | ppm | ≤30 |
| Scale factor asymmetry | ppm | ≤30 |
| Scale factor repeatability | ppm | ≤50 |
| Dynamic range | °/s | ≤400 |
| Bandwidth | Hz | ≥400 |
| Parameters of accelerometer | Unit | Metric |
|---|---|---|
| Bias stability (10s, 1σ) | mg | ≤0.1 |
| Bias repeatability | mg | ≤0.1 |
| Full – temperature bias stability (10s, 1σ) | mg | ≤1 |
| System parameters | Unit | Metric |
|---|---|---|
| Pure inertial alignment time | min | 3 minutes (static base, shaking base), 1 minute (transfer alignment) |
| Pure inertial alignment accuracy (1σ) | ° | ≤0.15 |
| Satellite alignment accuracy (1σ) | ° | ≤0.05 |
| Heading and attitude accuracy (1σ) | ° | ≤0.05 |
| Horizontal positioning accuracy | m | ≤10 |
| Horizontal motion velocity measurement accuracy | m/s | ≤0.1 |
| Operating temperature | °C | -45 ~ +60 |
| Overall dimensions / Outline dimensions | mm | ≤130×120×115 |
| Weight | Kg | ≤2.3 |
| Power supply and communication mode | It is powered by a 24V power supply and communicates via an RS422 serial port. |