Specifications for IDAMST Software

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Specifications for IDAMST Software

D. G. Tubb

The objective of this program was to define the operational flight program and operational test program for an Integrated Digital Avionics System for the Medium STOL (IDAMST) airplane. This effort is part of an Air Force Avionic Laboratory Program to specify a candidate avionics design based on DAIS technology. The approach involved the development of software requirements derived from the system analysis of the hardware baseline and the operational analysis of the AMST mission. The software requirements were developed into a specific IDAMST software design. The design is described in terms of functional, architectural, and configurational characteristics. The design documents consist of four Computer Program Development Specifications, type B5 per MIL-STD-490 and MIL-STD-483. The IDAMST software design was based on DAIS architecture and adapted as required to meet the IDAMST requirements. The DAIS architecture proved to be flexible allowing the design to be extended in IDAMST without major change. The IDAMST system defined satisfies the functional and operational requirements of the AMST. The design consists of a dual redundant processor with a reprogrammable backup processor. (Author)