Flight Control Unit (FCU) & Inertial Navigation System (INS)
FC-3000 Series Triple-Redundant Flight Control Computer (FCC)
INQUIRY
1. Basic Overview
- Model Designation: FC-3000 Series (FC-3000A / FC-3000B)
- Type: Triple-reduundant, high-integrity flight control computer
- Application: High-value stealth UAVs, high-speed reconnaissance UAVs, long-endurance strategic UAVs, loyal wingman platforms
2. Architecture & Redundancy
- Redundancy Architecture: Dissimilar triple redundancy (3 independent channels)
- Fault Tolerance:
- Single-channel fault: full mission capability retained
- Dual-channel fault: safe return capability guaranteed
- Synchronization: Hardware lock-step + Cross-Channel Data Link (CCDL)
- BIT Coverage: ≥ 98%
- Fault Detection & Switchover Time: < 20 ms
- Development Assurance Level: DAL A (DO-178C / DO-254)
3. Processor & Performance
- FC-3000A: NXP PowerPC QorIQ P3041 / P2020, 600–800 MHz
- FC-3000B: Domestic Loongson 3A / Phytium D2000 quad-core CPU
- Floating-Point Performance: ≥ 8 GFLOPS
- Real-Time Operating System:
- VxWorks 653 (ARINC653 partitioned OS)
- Domestic Tianmai-2 / Sylix OS (FC-3000B)
4. Memory
- RAM: 2 GB DDR3 with ECC
- Flash ROM: 1 GB SLC NAND Flash
- NVSRAM: 512 MB (non-volatile, power-loss protected)
- Optional eMMC: Up to 32 GB
5. Interfaces
- ARINC429: 16 channels (Rx/Tx)
- MIL-STD-1553B: 2 channels
- CAN / ARINC825: 4 channels
- RS422 / RS232: 8 channels
- LVDS: 4 high-speed channels
- Analog:
- 16× AI (16-bit)
- 8× AO (16-bit)
- Discrete I/O:
- Optical Fiber: 2× Fiber Channel (1 Gbps)
6. Environmental & Mechanical Specifications
- Operating Temperature: -55 °C ~ +85 °C
- Storage Temperature: -65 °C ~ +125 °C
- Vibration: 15 g @ 10–2000 Hz
- Shock: 50 g @ 11 ms
- EMC Standard: MIL-STD-461F / GJB151B
- Ingress Protection: IP65 (sealed)
- Input Power: 18–32 VDC (nominal 28 VDC)
- Power Consumption: ≤ 35 W
- Dimensions: 240 mm × 180 mm × 120 mm (L×W×H)
- Weight: ≤ 3.8 kg
7. Reliability & Lifetime
- MTBF: ≥ 15,000 hours (GJB899)
- MTTR: < 30 minutes
- Design Lifetime: 10 years / 10,000 flight hours
8. Typical Platforms
- Next-generation stealth loyal wingman UAVs
- Strategic reconnaissance & electronic warfare UAVs