Designing Multi-Level Health Management (HM) for Graceful In-Flight Failure Recovery

Core aerospace engineering and protocols for ARINC 653 Health Management.

Containing Software Errors in High-Assurance Systems

In safety-critical avionics, an unhandled exception or arithmetic error in a single software routine must never crash the entire computer, which would cause immediate loss of flight controls.

Hierarchical Health Management Framework

AvionicsPlatform incorporates a three-tiered ARINC 653 Health Monitoring system: if a thread encounters a memory access fault, the partition error handler attempts a warm restart of that thread. If errors persist, the partition restarts in cold mode, and only persistent systemic faults trigger switchover to the redundant backup computer.

Process-Level Error Handling: Restarting individual crashed threads without affecting the partition.
Partition-Level Cold/Warm Restarts: Re-initializing a corrupted partition in under 10 milliseconds.
System-Level Failover: Safely switching authority to a redundant backup avionics LRU.
Fault Logging: Recording exact CPU register states to crash-hardened memory for investigation.

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