Product overview
SNC300D-DGI is based on cost-effective closed-loop fiber optic gyroscope, accelerometer and high-end GNSS receiving board. It is realized through multi-sensor fusion and navigation solution algorithm to meet the requirements for accurate measurement of attitude, heading and position in application fields such as medium and high-precision mobile measurement system and large UAV
1. Product features
▶ It has the function of shaking base / moving base alignment
▶ GNSS / odometer / DVL and other multi information fusion integrated navigation
▶ High reliability, suitable for strong vibration and large impact environment
▶ Support users to customize on demand
▶ High precision north seeking without external motion requirements
2. Main application fields
▶ Reference inertial navigation system for large UAV
▶ Marine compass
▶ Positioning orientation
▶ Underwater platform (AUV, ROV, etc.)
▶ Intelligent mining machinery
3. Performance index
Parameter |
Technical indicators |
|
| Position accuracy | Single point (RMS) | 1.2m |
| RTK（RMS） | 2cm+1ppm | |
| Post processing (RMS) | 1cm+1ppm | |
| Out of lock accuracy (CEP) | 2nm, out of lock for 60min ① | |
| Heading (RMS) | Combined accuracy | 0.1°② |
| Post processing | 0.01° | |
| Lock loss retention accuracy | 0.02①, out of lock for 60min | |
| Self north seeking accuracy | 0.1③ SECL, 15min alignment | |
| Attitude (RMS) | Combined accuracy | 0.01° |
| Post processing | 0.006° | |
| Lock loss retention accuracy | 0.02①, out of lock for 60min | |
| Horizontal velocity accuracy (RMS) | 0.05m/s | |
| Timing accuracy | 20ns | |
| Data output frequency | 200Hz④ | |
| Gyroscope | Range | 300°/s |
| Zero bias stability | 0.02°/h⑤ | |
| Scale factor nonlinearity | 50ppm | |
| Angular random walk | 0.005°/√hr | |
| Accelerometer | Range | 16g |
| Zero bias stability | 50ug⑤ | |
| Scale factor nonlinearity | 50ppm | |
| Velocity random walk | 0.01m/s/√hr | |
| Physical dimensions and electrical characteristics | Overall dimension | 176.8mm×188.8mm×117mm |
| weight | < 5kg (excluding cable) | |
| input voltage | 12～36VDC | |
| Power waste | < 24W (steady state) | |
| Storage | reserve | |
| Environmental indicators | Working temperature | -40℃~+60℃ |
| Storage temperature | -45℃～+70℃ | |
| Random vibration | 3.03g，20Hz~2000Hz | |
| MTBF | 30000h | |
| Interface characteristics | PPS, EVENT, RS232, RS422, CAN (optional) | |
| Network port (reserved) | ||
| Antenna interface | ||
| Wheel speed sensor interface | ||
