Shenzhen Fire Power Control Technology Co., LTD
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optic integrated navigation system INS with closed-loop fiber optic gyroscopes, accelerometers, and high-end GNSS
The fiber optic integrated navigation system GA300 is based on cost-effective closed-loop fiber optic gyroscopes, accelerometers, and high-end GNSS receiving boards. It is implemented through multi-sensor fusion and navigation solution algorithms to meet the requirements of high-precision mobile measurement systems, large UAVs and other applications The field requires precise measurement of information such as attitude, heading and position.
| Parameters | Index | |
| Position accuracy | Single point (RMS) | 1.2m |
| RTK(RMS) | 2cm+1ppm | |
| Post-processing (RMS) | 1cm+1ppm | |
| Loss lock accuracy (CEP) | 3nm(30min)10nm(1h) | |
| Heading (RMS) | Single antenna | 0.05°③ |
| 0.02°(Post-processing) | ||
| Dual antenna | 0.1°(Baseline≥2m) | |
| Loss lock retention accuracy | 0.25°(Loss lock 30min)0.5°(Loss lock 1h) | |
| North seeking accuracy | 1°SecL, alignment 15min | |
| Attitude (RMS) | Single antenna | 0.02° |
| Dual antenna | 0.02° | |
| Post-processing | 0.01° | |
| Loss lock retention accuracy | 0.25°(Loss lock 30min)0.5°(Loss lock 1h) | |
| Horizontal speed accuracy (RMS) | 0.05m/s | |
| Output frequency | 200Hz | |
| Gyro | Range | 400°/s |
| Zero bias stability | 0.2°/h⑤； | |
| Scaling factorNon-linearity | 100ppm | |
| Angle random walk | 0.05°/√hr | |
| Accelerometer | Range | 16g |
| Zero bias stability | 50ug⑤ | |
| Scaling factorNon-linearity | 100ppm | |
| Speed random walk | 0.01m/s/√hr | |
| Dimensions and electrical characteristics | Size | 139 mm×136.5 mm×101mm |
| Weight | <2.7kg (not include cable) | |
| Input voltage | 12～36VDC | |
| Power consumption | <24W (Steady state) | |
| Environmental indicators | Working temp. | -40℃~+60℃ |
| Random vibration | 6.06g,20Hz~2000Hz | |
| MTBF | 30000h | |
| Interface | PPS,EVENT,RS232,RS422,CAN (optional) | |
| Antenna interface | ||
| Wheel speed sensor interface | ||