Shenzhen Fire Power Control Technology Co., LTD
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1. Overview
The fiber-optic integrated navigation system SNC500D is based on the closed-loop fiber-optic gyroscope, accelerometer and high-end GNSS receiving board with high cost performance, and is realized through multi-sensor fusion and navigation calculation algorithm to meet the requirements for accurate measurement of attitude, heading, position and other information in the application fields of medium and high precision mobile measurement system and large UAV.
2. Performance Index
| Parameter | Technical indicators | |
| Position accuracy | Single point (RMS) | 1.2m |
| RTK(RMS) | 2cm+1ppm | |
| Lock-loss accuracy (CEP) | 100m/10min 0.5nm/30min 1.5nm/h 2 ‰ D, where D is the distance travelled (optional, DVL or odometer combination) | |
| Heading (RMS) |
Self-north seeking accuracy | 0.05 ° × sec (Lati), 10 min alignment of stationary base; Where Lati denotes the latitude. |
| Lock-loss holding accuracy | 0.1°/h | |
| Attitude (RMS) | GNSS is valid | 0.02° |
| Lock-loss holding accuracy | 0.05°/h | |
| Horizontal Velocity Accuracy (RMS) | Single-point L1/L2 | 0.1m/s |
| GNSS is invalid | 2m/s/h | |
| Navigation data frequency | 200Hz | |
| Gyroscope | Range | 400°/s |
| Zero bias stability | 0.05°/h | |
| Scale factor nonlinearity | 50ppm | |
| Angular random walk | 0.02°/ √hr | |
| Accelerometer | Range | 16g |
| Zero bias stability | 50ug | |
| Scale factor nonlinearity | 100ppm | |
| Speed random walk | 0.01m/s/ √hr | |
| Physical dimensions and electrical characteristics | Overall dimensions | 138.5 mm× 136.5 mm×102mm |
| Weight | 2.0 kg (without cable) | |
| Input voltage | 12～36VDC | |
| Power consumption | < 24W (steady state) | |
| Store | 16G | |
| Environmental indicators | Operating temperature | -40℃~+60℃ |
| Storage temperature | -45℃~+70℃ | |
| Random vibration | 6.06g,20Hz~2000Hz | |
| MTBF | 3000h | |
| Interface characteristics | PPS, EVENT, RS232, RS422, CAN (optional) | |
| 100m network port | ||
| Antenna Connector (TNC) | ||
| Wheel speed sensor interface | ||
3. Overall dimensions