A discussion is given on several requirements to put formal specifications into practical use in real-time systems, and an integration environment called MENDELS ZONE to satisfy them. The integration environment includes algebraic specification, temporal logic, real-time structured analysis and object-oriented design. It also defines a specification process that assists a designer in translating a specification developed with the real-time structured analysis method into an object-oriented design specification, and that finally generates Ada tasks. The specification process is defined to consist of several specification steps and several intermediate products. In order to validate the activity for each specification step, each intermediate product is described by two formal specification methods: algebraic specification and temporal logic.
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