Satellite Container Transport Monitoring for High-Value Assets
Project name: Satellite Container Transport Monitoring for High-Value Assets
Client: China Aerospace Science and Technology Corporation (CASC)
Application: Multi-modal transportation monitoring for high-value satellite containers
1. Monitoring Requirements
| Parameter | Measurement Range | Military Standard |
|---|---|---|
| Vibration | 0.1-2000Hz (50g peak) | GJB 150.16-2023 |
| Shock | 1000g, 0.5ms half-sine | GJB 150.18-2023 |
| Temperature | -70°C to +85°C | GJB 150.3A-2021 |
| Humidity | 5% to 98% RH (condensing) | GJB 150.9A-2021 |
| Pressure | 20kPa to 120kPa | GJB 150.2A-2021 |
| Tilt Angle | ±180° (0.1° resolution) | GJB 4239-2022 |
2. RE-Series Rugged DAQ System Configuration
2.1 Hardware Specifications
Chassis: MIL-STD-810H compliant (IP67)
Operating temp: -40°C to +75°C
Withstands 100g mechanical shock
Sensor Suite:
6-axis MEMS IMU (2000Hz sample rate)
Dual-range hygrometer (condensation detection)
Differential barometric sensor
Anti-jamming GPS/BeiDou receiver
2.2 Data Management
Storage: 512GB ruggedized SSD (retains data after 30m underwater)
Wireless: 5G/LoRa dual-mode transmission
Power: Li-SOCl₂ battery (90-day standby)
3. Multi-Modal Transport Validation
3.1 Vibration Profile Comparison
| Transport Mode | PSD Peak (Grms) | Dominant Freq. |
|---|---|---|
| Railway | 0.78 @ 12Hz | Bogie resonance |
| Highway | 1.25 @ 2-8Hz | Road roughness |
| Air Cargo | 2.1 @ 100-200Hz | Turbulence |
| Crane Lift | 3.5 @ 0.5-1Hz | Cable swing |
3.2 Environmental Extremes Recorded
Temperature: -65°C (Antarctic shipment) to +63°C (Middle East)
Pressure Altitude: Equivalent to 15,000m during air transport
Shock Events: 78g peak during emergency braking
4. Military Compliance Testing
4.1 Laboratory Validation
Random Vibration: 6.3Grms (20-2000Hz) for 1hr per axis
Mechanical Shock: 30 drops from 1.2m height
Thermal Cycling: 10 cycles (-65°C ↔ +85°C)
4.2 Field Performance
Successfully monitored 37 satellite shipments (2021-2023)
Early warning for:
3 excessive tilt events (>15°) during crane operations
12 humidity excursions beyond safe thresholds
5. Data Utilization
5.1 Container Design Optimization
Added damping material at 12Hz (railway resonance)
Revised pressure equalization valve design
5.2 Logistics Process Improvements
Redesigned crane lifting protocols (reduced swing amplitude by 42%)
Implemented temperature-controlled road transport routes
System Advantages
Multi-Standard Compliance: Meets GJB 150, MIL-STD-810, ISTA 3A
Lifecycle Monitoring: 500+ parameter sets recorded per shipment
Forensic Analysis: Event reconstruction with 0.1s timestamp accuracy
