CSSC Star&Inertia Technology co.,ltd.
CSSC Star&Inertia Technology co.,ltd.
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Land RLG INS (Dubhe-L1)
The multi-platform optical navigation system utilizes precision RLG/FOG sensors with quartz accelerometers in a versatile strapdown design. Supporting both military (armored vehicles) and civilian (high-speed rail, agriculture) applications.
it delivers: 1) Adaptive alignment; 2) Robust positioning through ZUPT and sensor fusion; 3) Performance from Arctic to plateau conditions; 4) Continuous operation reliability.
| Series | Land Inertial Navigation System(INS-L) | ||
| Type | Dubhe-L1 | ||
| Accelerometer | Months Bias Repeatability(1σ) | ≤30μg | |
| Months Scale Factor Accuracy(1σ) | ≤30ppm | ||
| Gyro | Bias Repeatability(1σ) | ≤0.008°/h | |
| Scale Factor Accuracy(1σ) | ≤10ppm | ||
| Random walk(1σ) | ≤0.003°/√hr | ||
| Features | Angular Rate | ≥±400°/sec | |
| Angular Acceleration | 100000°/sec2 | ||
| Acceleration | ＞25g | ||
| Angular Attitude | Any Orientation | ||
| Input/output | 3 RS422 full-duplex serial ports, 1 100M Ethernet port | ||
| Alignment time | ≤8min | ||
| Position accuracy | 10min zero speed correction | ≤10m,CEP | |
| INS/Odometer combination | ≤0.3%D,RMS | ||
| INS/GNSS combination | better than GNSS | ||
| AHRS Applications Performance | Heading Accuracy | North finding/orientation accuracy | ≤1.0mil,RMS |
| Heading bearing keeping accuracy/2h | ≤1.0mil,RMS | ||
| INS/GNSS combination | ≤0.5mil,RMS | ||
| Pitch & Roll Accuracy | ≤0.35mil,RMS | ||
| Characteristics | Power consumption | ＜20W | |
| Dimensions | 195×160×108mm | ||
| Weight | ＜3.9kg | ||
| Temperature | -40℃~60℃ | ||
| Shock | 15g,Half-sine wave 11ms | ||
| Input Voltage | DC24V(±25%) | ||
| cooling | Conduction to mounting plate | ||
| Vibration | 20~2000Hz,6.06g | ||
| MTBF | ＞20000 hours | ||