Maritime FOG INS(Merak-M03)
This marine-grade strapdown inertial navigation system utilizes either RLG or FOG technology combined with quartz accelerometers for superior performance. Its advanced computational core processes navigation data in real-time through sophisticated strapdown algorithms. The system offers flexible operational configurations including autonomous inertial navigation, GNSS-assisted, and velocity-augmented modes, delivering comprehensive navigation solutions for various maritime applications.
| Series | Maritime Inertial Navigation System(INS-M) | |
| Type | Merak-M03 | |
| Accelerometer | Months Bias Repeatability(1σ) | ≤50μg |
| Months Scale Factor Accuracy(1σ) | ≤50ppm | |
| Gyro | Bias Repeatability(1σ) | ≤0.02°/hr |
| Scale Factor Accuracy(1σ) | ≤50ppm | |
| Random walk(1σ) | ≤0.006°/√hr | |
| Features | Angular Rate | ≥±400°/sec |
| Angular Acceleration | 100000°/sec2 | |
| Acceleration | >25g | |
| Angular Attitude | Any Orientation | |
| Speed accuracy/Pure inertia | ≤3.0kn,RMS | |
| Speed accuracy/GNSS combination | ≤0.4kn,RMS | |
| Startup time | ≤10 sec | |
| Input/output | 3 RS422 full-duplex serial ports, 1 100M Ethernet port | |
| Alignment time | ≤15min | |
| Position accuracy | Pure inertia | ≤4nm/1h,CEP |
| INS/DVL Combination | ≤0.6%D,RMS | |
| INS/GNSS Combination | better than GNSS | |
| Heading Accuracy | Pure inertia | ≤0.2°sec(L),RMS |
| INS/GNSS Combination | ≤0.1°,RMS | |
| Pitch & Roll Accuracy | Pure inertia | ≤0.04°,RMS |
| INS/GNSS Combination | ≤0.02°,RMS | |
| Characteristics | Power consumption | <15W |
| Dimensions(Lmm×Wmm×Hmm) | 110×110×100mm | |
| Weight | <1.7kg | |
| 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 | |