Shenzhen Fire Power Control Technology Co., LTD
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Closed-Loop Optical Fiber Integrated Navigation System High Precision Mobile Measurement Systems
The fiber-optic integrated navigation system GI300F-INS is based on closed-loop fiber-optic gyroscope and accelerometer with high cost performance, and is realized through multi-sensor fusion and navigation calculation algorithm, which meets the requirements of precise measurement of attitude, heading and position information in the application fields of medium and high precision mobile measurement systems, medium and large UAVs, etc.
| Project | Test conditions | Indicators |
| Positioning accuracy | External GNSS Valid, Single Point | Better than external satellite positioning accuracy |
| External GNSS Valid, RTK | Better than external satellite positioning accuracy | |
| Pure inertial horizontal position holding① | 80m/5min(CEP) 500m/10min(CEP) 1.5nm/30min(CEP) | |
| Airspeed combination horizontal position hold② | 0.8nm/30min (CEP) | |
| Heading accuracy | Single antenna (RMS) | 0.1°③ |
| Dual Antenna (RMS) | 0.2 °/L (L = baseline length) (RMS) | |
| Course Keeping (RMS) | 0.2°/30min(RMS),0.5°/h | |
| Self-north seeking accuracy (RMS) | 0.2 ° SecL, dual position alignment for 15 min 1.0 ° SecL, single position alignment 5-10 min | |
| Attitude accuracy | GNSS is valid | 0.02°(RMS) |
| Attitude hold (GNSS failure) | 0.2°/30min(RMS),0.5°/h(RMS) | |
| Speed accuracy | GNSS valid, single point L1/L2 | 0.1m/s(RMS) |
| Gyroscope | Measuring range | ±400°/s |
| Zero bias stability | ≤0.3°/h | |
| Accelerometer | Measuring range | ±20g |
| Zero bias stability | ≤100µg | |
| Physical dimensions and electrical characteristics | Voltage | 9-36V DC |
| Power consumption | ≤ 12W (steady state) | |
| Interface | 2-channel RS232, 1-channel RS422, 1-channel PPS (LVTTL/422 level) | |
| Size | 92.0 mm × 92.0 mm × 81.0mm (L, W, H) | |
| Weight | ≤1.2kg | |
| Environmental characteristics | Operating temperature | -40℃~+60℃ |
| Storage temperature | -45℃~+70℃ | |
| Vibration | 5 ~ 2000Hz, 6.06 G (with shock absorber) | |
| Impact | 30g, 11 ms (with shock) | |
| Life span | > 15 years | |
| Continuous working time | >24h | |
| Height limit ≤5000m | ||
| speed limit ≤500m/s | ||
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