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Focusing real-time systems analysis on user operations

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1 Author(s)
Deutsch, M.S. ; Hughes Aircraft, Space & Commun. Group, Los Angeles, CA, USA

A way is presented to model and validate complex, real-time systems by describing these systems from the viewpoints of the major parties in system development: the customer, the user, and the implementer. The models representing these points of view are called, respectively, the requirements model, the operations-concept model, and the implementation model. The focus is on how the concept of operations can be formally factored into established real-time system-analysis methods in terms a nontechnical user can understand. The approach integrates and refines several real-time-oriented modeling methods, including structured analysis, finite-state machines, and threads. Modeling needs are discussed, the multiview paradigm is presented, and an extensive example of a bottle-filling system is given to illustrate the use of the method.<>

Published in:

Software, IEEE  (Volume:5 ,  Issue: 5 )