Avionicsimulator: 硬件在环飞行仿真与航电外场可更换单元 (LRU) 适航验证

Avionicsimulator Real-Time Hardware-in-the-Loop (HIL) Test Architecture

Real-time 6-DOF flight dynamics, physical signal emulation, and automated fault injection

Central System: Real-Time HIL Simulation Engine - 1000 Hz 6-DOF Aerodynamic Core

Aviation Architecture Nodes

• Flight Control Computer Under Test
• Sensor Emulation & Signal Conditioning
• Actuator Load Simulator Rig
• Automated Electrical Fault Injector
• Flight Test Telemetry & Telemetry Sink

Architectural Layers & Protocol Stacks

• 6-DOF Real-Time Physics & Aerodynamics (High-Speed Real-Time Linux / FPGA Aerodynamic Solvers): Calculating aerodynamic lift, drag, ground effect, and atmospheric turbulence at 1,000 Hz with sub-millisecond determinism.
• Hardware Sensor & Bus Signal Emulation (ARINC 429 / MIL-STD-1553 / Analog Signal Generators): Converting simulated physics variables into real electrical voltages, synchro angles, and serial packets fed to the LRU.
• Automated Electrical & Bus Fault Injection (Fault Insertion Units (FIU) / High-Speed Solid-State Relays): Simulating lightning transients, broken sensor wires, stuck actuators, and corrupt bus packets during active flight.
• Virtual Cockpit & Telemetry Verification (Synthetic Vision Display Engine / Automated Test Executive): Rendering realistic visual scenes for test pilots while automated regression runners verify compliance criteria.

Flight Telemetry Metrics: 1000 Hz (Real-Time 6-DOF Physics Update Rate) | < 250 µs (Sensor Signal Generation Latency) | 100% (Automated Fault Injection Traceability) | DO-178C / DO-254 (HIL Verification Tool Qualification)