Modular avionics system architecture decision support system

A methodology for evaluating modular avionics applications in terms of life-cycle cost and system effectiveness is reported. The methodology is to be used to compare alternative modular architecture strategies as well as conventional strategies for introducing avionics into new or existing weapon systems. The process described is intended to be a flexible means of evaluating postulated alternatives for US Air Force-wide implementation of modular avionics. The analysis is expected to be performed using data normally available during the conceptual phase of a development program. Functions performed by avionics have been limited to navigation, communications, and some portion of fire control. The role of avionics, however, has steadily increased with each new generation of aircraft. It is argued that commonality of avionics elements within and among weapon systems may reduce both development cost and development risk