Merak-M1 FOG INS System Solutions | Maritime FOG Inertial Navigation System
The Merak-M1 Marine FOG Inertial Navigation System (INS) delivers high-precision navigation for a wide range of maritime vessels. Using RLG/FOG gyroscopes and quartz accelerometers in a robust strapdown configuration, the system provides real-time navigation solutions through a high-speed processor.
The Merak-M1 supports multiple operation modes, including inertial-only, GNSS-assisted, and velocity-aided navigation, offering comprehensive navigation data for diverse maritime applications. The system ensures reliable performance even in demanding sea conditions.
Applications:
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Maritime vessels
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Ship platforms requiring precise navigation
Key Features and Capabilities:
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Real-time navigation computation for accurate vessel positioning
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Inertial, GNSS-assisted, and velocity-aided operation modes
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Reliable navigation for demanding maritime environments
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Accurate heading, roll, pitch, speed, and position information
Keywords: Maritime FOG INS, Merak-M1 INS, RLG gyroscope navigation, quartz accelerometer INS, strapdown marine INS, real-time navigation system, high-precision marine INS
| Series | Maritime Inertial Navigation System(INS-M) | |
| Type | Merak-M1 | |
| Accelerometer | Months Bias Repeatability(1σ) | ≤30μg |
| Months Scale Factor Accuracy(1σ) | ≤30ppm | |
| Gyro | Bias Repeatability(1σ) | ≤0.005°/hr |
| Scale Factor Accuracy(1σ) | ≤20ppm | |
| Random walk(1σ) | ≤0.002°/√hr | |
| Features | Angular Rate | ≥±400°/sec |
| Angular Acceleration | 100000°/sec2 | |
| Acceleration | ＞25g | |
| Angular Attitude | Any Orientation | |
| Speed accuracy/Pure inertia | ≤1.2kn,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 | ≤1nm/1h,CEP |
| INS/DVL Combination | ≤0.3%D,RMS | |
| INS/GNSS Combination | better than GNSS | |
| Heading Accuracy | Pure inertia | ≤0.05°sec(L),RMS |
| INS/GNSS Combination | ≤0.02°,RMS | |
| Pitch & Roll Accuracy | Pure inertia | ≤0.02°,RMS |
| INS/GNSS Combination | ≤0.01°,RMS | |
| Characteristics | Power consumption | ＜18W |
| Dimensions(Lmm×Wmm×Hmm) | 161×153×123mm | |
| Weight | 3.5kg | |
| 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 | |
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