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Issue No. 05 - September/October (1988 vol. 5)
ISSN: 0740-7459
pp: 39-50
<p>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.</p>
real-time systems analysis; user operations; system development; requirements model; operations-concept model; implementation model; system-analysis; structured analysis; finite-state machines; threads; multiview paradigm; bottle-filling system; finite automata; real-time systems; systems analysis

M. S. Deutsch, "Focusing Real-Time Systems Analysis on User Operations," in IEEE Software, vol. 5, no. , pp. 39-50, 1988.
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