With more than 297 Miniature Inertial Measurement Units (MIMUs) successfully launched and 563 delivered with more than 1,000,000 hours of on-orbit operation, the MIMU has quickly become the inertial measurement system of choice for commercial and military satellite and space exploration programs.
FEATURES
- 3 Axis Angular Measurement using proven GG1320 RLG
- Enhanced Built-in Test
- RS422 and MIL-STD-1553B
- Stimulus Ground Test Function
- Software Upload
- 28-100 Vdc Primary Power
- In-rush and Current Limiting
- On/Off Command
MIMU Component Description
The Miniature Inertial Measurement Unit (MIMU) is composed of several key components, arranged in an assembly from top to bottom:
- Top Cover
- MIL-STD 1553 Cable Support Plate
- MIL-STD 1553 I/O Connectors
- MIL-STD 1553 RT Address Select
- Enhanced Processor Interface Electronics
- Sensor Support Electronics
- Sensor Block Assembly
- RS422 I/O Connector
- SSE PWA (Sensor Support Electronics Printed Wiring Assembly)
- Vibration Isolators
- LVPS-I/O Flexes
- Chassis
- Primary Power Connector
- Cover
- Low Voltage Power Supply Module
MAIN BUDGETS
| Category | Specification |
|---|---|
| Size | < 233.7mm (D) X 169.9 mm (H) |
| Weight | < 4.7 kg (4.6 kg typical) |
| Power | < 32.0 Watts (25 W typical) |
| Reliability | < 2200 FIT (30°C) |
PERFORMANCE (TYPICAL)
| Parameter | Value |
|---|---|
| Range | ± 375 deg/sec |
| Bias (1s) | < 0.02 deg/hr nominal per year |
| ARW (1s) | < 0.005 deg/√hr |
| Scale Factor (1s) | < 1 ppm per year |
| IA Alignment (1s) | < 83.3 micro-rad per year |
ENVIRONMENTS
- -30°C to 65°C (operating)
- Space Vacuum
- EMI per MIL-STD-461c
- Acceleration 25g
- Random Vibration 19.7 grms
- Pyrotechnic Shock 40,000g
- Radiation Hardened:
- - 100 Krad Total Dose
- - SEU Tolerant
- - Latchup Immun
AVAILABLE OPTIONS
- Velocity Channel
Find out more
For more information regarding the MIMU, contact us at: aerospace.honeywell.com
Honeywell Aerospace
1944 East Sky Harbor Circle
Phoenix, AZ 85034
