MRN-01 MRN-01 Small & redundant inertial sensor (IMU)
MRN-01 is composed of high precision MEMS gyroscopes and accelerometers and is redundant product by incorporating 2 IMU units
Description
- Redundant IMU with 2 independent 3-axis IMU units
- IMU for space is composed of high precision MEMS gyroscopes and accelerometers
- Space environment resistant
- Proven for long-term use in space
Application
MRN-01 is composed of high precision MEMS gyroscopes and accelerometers and is redundant product by incorporating 2 IMU units
- Launch vehicle
- Satellite
- Rover
| Item | Value | ||
|---|---|---|---|
| MRN-01 | |||
| Gyroscope Performance | Measurement range | ±400 deg/s | |
| Performance range | ±30 deg/s | ||
| Bias over temperature | 10deg/h | ||
| Bias repeatability | 20 deg/h | ||
| Bias instability | 0.2 deg/h | ||
| Angle random walk | 0.051 deg/√h | ||
| Scale factor over temperature | 500 ppm | ||
| Scale factor non-linearity | 500 ppm | ||
| Misalignment | 4m rad | ||
| Bias vibration sensitivity | 1 deg/h/grms² | ||
| Acceleration Performance | Measurement range | ±30 g | |
| Performance range | ±11 g | ||
| Bias over temperature | 1 mg | ||
| Bias repeatability | 3 mg | ||
| Bias instability | 90 μG | ||
| Angle random walk | 150 mm/s/√h | ||
| Scale factor over temperature | 500 ppm(±3g) | ||
| Misalignment | 4m rad | ||
| Bias vibration sensitivity | 0.15 mg/grms² | ||
| Item | Value | |
|---|---|---|
| Electrical Characteristics | Supply voltage | 12VDC±1V |
| Power consumption | 5W （2.5W/Unit） | |
| Warm-up time | 30min | |
| Mechanical Characteristics | Dimensions | 153 × 106 × 83 mm |
| weight | 1.3kg | |
| Electrical interface | Micro D-sub 15pin×2 | |
| Interfaces | Data output cycle | 100Hz |
| Output format | RS422 | |
| Communication specification | Asynchronous serial | |
| Baud rate | 115,200bps | |
| Operating Conditions | Operating temperature range | －24℃～65℃ |
| Performance temperature range | －14℃～55℃ | |
| Humidity (operation) | 60％RH | |
| Random vibration（operation） |
XY direction：112m/s² rms Z direction：150m/s² rms |
|
| Low frequency shock（operation） | 139m/s² × 10ms | |
| High frequency shock（operation） | 50～790 Hz: +6dB/oct 790～4000Hz: 3335m/s² |
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