COMPUTER‐AIDED SYSTEM ENGINEERING TOOLS —THE DESIGN SRA^TM FAMILY OF TOOLS

Abstract

The authors and others at PRC have developed a family of computer‐automated system engineering (CASE) tools which support system requirements analysis, automatic specification preparation, requirements traceability, and rapid access to system engineering reference data. The tools include the following: Design SRATM (requirements analysis tool) Spec WriterTM (automatic specification tool) SpecREFTM (digital image library access)* SpecTRACETM (requirement traceability)* SpecEditorTM (specification editing tool)* These tools have been developed specifically to support the DOD system requirements analysis (SRA) process. They are also used in commercial systems engineering applications. Elements of the SRA process and their specific implementation in PRC CASE tools described in this paper include the following: Functional analysis and decomposition Requirements allocation Design constraint analysis Automatic specification preparation Requirements verification support Requirements traceability * Currently in development.

7.3.3 a Set Theory Model for Anomaly Handling in System Requirements Analysis

“…(White et al 1992) hold out hope for improving the quality of system requirements analysis by standardizing and automating the processes used. Tools defined to date, however, do not address the need to relate the antecedents explicitly in the functional requirements data set as specific parts of the requirements analysis (Elliott and Vickers 1992). For example, using the standard requirements allocation sheets (RAS), the antecedent conditions are defined as part of the function description, but do not explicitly make it into the actual requirements documents.…”