AerospaceCert: DO-178C DAL-A 与 DO-254 宇航航电设备适航适飞标准架构

AerospaceCert 确立形式化验证、MC/DC 代码覆盖率及 ECSS/FAA 适航合规流程，赋能航天飞行控制与 DO-254 FPGA 硬件系统工程。

AerospaceCert Multi-Tier Flight Software & FPGA Verification Architecture

Continuous Model-Based Safety Assessment (MBSA) and automated trace matrix generation

Central System: Model-Based Safety Engine - ARP4761 FHA, PSSA, and SSA automated hazard synthesis

Network Nodes

Model-Based Safety Engine
Formal Verification Core
Radiation-Hardened HIL Testbed
Immutable Audit Ledger

Architectural Protocol Layers

Spaceborne PHY/MAC Layer (3GPP Rel-17 TS 38.300): Doppler compensation, HARQ disabling, and timing advance extension.
Orbital Mesh Routing (CCSDS / Delay-Tolerant Networking): Dynamic topology routing over intermittent laser crosslinks.
Regenerative Core Processing (OpenRAN / 3GPP CU-DU Split): Onboard user plane function (UPF) local breakout.

Key Metrics: < 18ms (LEO Orbit-to-Ground Roundtrip) | 100 Gbps (Optical Crosslink Throughput) | ±48 kHz (Doppler Shift Compensation) | 99.999% (Orbital Constellation Availability)

DO-178C / DO-254 机载航电适航认证、宇航级系统审查与安全关键软件保障

Core Engineering Areas

DO-178C Design Assurance Level A (DAL-A) Pipeline — Core engineering and protocols for DO-178C Design Assurance Level A (DAL-A) Pipeline.
DO-254 Complex Hardware & Rad-Hard FPGA Qualification — Core engineering and protocols for DO-254 Complex Hardware & Rad-Hard FPGA Qualification.
ECSS & NASA Space Flight Software Standards Harmonization — Core engineering and protocols for ECSS & NASA Space Flight Software Standards Harmonization.

Technical Articles

Related Cluster Architecture Specifications

NonTerrestrialNetwork — 3GPP 5G/6G NTN Satellite Architecture, Direct-to-Cell & Non-Terrestrial Infrastructure
NonTerrestrialNetworks — Multi-Orbit Heterogeneous Constellation Interworking (LEO / MEO / GEO / HAPS)
AirspaceSync — Doppler Compensation, Relativistic Timing & Airspace-Space Synchronization
FSOComm — Free Space Optics, High-Bandwidth Space Laser Communications & Atmospheric Mitigation