Merak-A05 – Optical Gyroscope Aircraft Inertial Navigation System (FOG INS)
The Merak-A05 Optical Gyroscope Inertial Navigation System is an airborne INS designed for aircraft, drones, and UAV applications. It uses optical gyroscopes and quartz accelerometers as core sensors and adopts strapdown or modulation technology architectures to provide stable and reliable inertial navigation performance.
An internal high-speed navigation computer runs advanced navigation software to process sensor data and output real-time navigation information. According to user requirements, the system can integrate navigation information from satellites, astronomy, altimeters, radio, and vision, supporting both pure inertial operation and multi-source information fusion modes. This enables the system to deliver comprehensive navigation information for airborne platforms.
Applications
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UAVs
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Special aircraft
Capabilities
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Ground and air alignment
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Alignment mode switching
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Sensor fusion
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Fault detection
The Merak-A05 Aerospace FOG INS provides reliable real-time navigation data and flexible working modes, meeting the operational needs of modern airborne and unmanned platforms.
| Series | Aerospace Inertial Navigation System(INS-A) | ||
| Type | Merak-A05 | ||
| Accelerometer | Months Bias Repeatability(1σ) | ≤30μg | |
| Months Scale Factor Accuracy(1σ) | ≤30ppm | ||
| Gyro | Bias Repeatability(1σ) | ≤0.01°/hr | |
| Scale Factor Accuracy(1σ) | ≤30ppm | ||
| Random walk(1σ) | ≤0.005°/√hr | ||
| Features | Position Accuracy | Pure inertia | ≤2nm/1h,CEP |
| INS/GNSS combination | better than GNSS | ||
| Speed Accuracy | Pure inertia | ≤1.5m/s,RMS | |
| INS/GNSS combination | ≤0.2m/s,RMS | ||
| 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 | ＜5min | ||
| AHRS Applications Performance | Heading Accuracy | Pure inertia | ≤0.1°sec(L),RMS |
| INS/GNSS combination | ≤0.05°,RMS | ||
| Pitch & Roll Accuracy | Pure inertia | ≤0.03°,RMS | |
| INS/GNSS combination | ≤0.02°,RMS | ||
| Characteristics | Power consumption | ＜15W | |
| Dimensions | 130×130×110 | ||
| Weight | ＜2.2kg | ||
| 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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