Abstract
A novel approach to Advanced Avionics fault tolerance is proposed that takes inspiration from the intersection of human immune system and nervous system as a method of fault recognition and removal. The human body's defenses-the immune system, the sense of pain, and the healing processes-could serve as a conceptual model for high-confidence systems in advance avionics fault tolerance. In this paper we propose a hybrid fault tolerance instrument that suitable for Advanced Avionics system, by use distribute `body' immune system and central `nervous' system management principle. Through an artificial immune algorithm the proposed Advanced Avionics `body' immune system will learn to differentiate between acceptable and abnormal states and transitions within the `immunized' system. Potential faults can then be flagged and suitable recovery methods invoked to return the system to a safe state. When the `body' immune system can not handle the fault then a `pain' message being reported to Operating System health monitor system (OS-HM) and central `nervous' system will tolerant the fault through a three layered Preconscious health monitor and conscious fault handling strategy.
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