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 |
