The ProCoS Approach to Correct Systems
Real-Time Systems - Special issue on safety-critical systems
Specifying and Verifying Requirements of Real-Time Systems
IEEE Transactions on Software Engineering
Development of Safety-Critical Real-Time Systems
SOFSEM '95 Proceedings of the 22nd Seminar on Current Trends in Theory and Practice of Informatics
Refinement from a Control Problem to Programs
Formal Methods for Industrial Applications, Specifying and Programming the Steam Boiler Control (the book grow out of a Dagstuhl Seminar, June 1995).
Analyzing and Synthesizing Hybrid Control Systems
Lectures on Embedded Systems, European Educational Forum, School on Embedded Systems
PLC-Automata: A New Class of Implementable Real-Time Automata
ARTS '97 Proceedings of the 4th International AMAST Workshop on Real-Time Systems and Concurrent and Distributed Software: Transformation-Based Reactive Systems Development
Proceedings of the Real-Time: Theory in Practice, REX Workshop
Engineering of Real-Time Systems with an Experiment in Hybrid Control
Lectures on Embedded Systems, European Educational Forum, School on Embedded Systems
Compilation and Synthesis for Real-Time Embedded Controllers
Correct System Design, Recent Insight and Advances, (to Hans Langmaack on the occasion of his retirement from his professorship at the University of Kiel)
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The Provably Correct Systems project [5, 6] developed links between layers of formal specifications for real-time systems. These layers cover requirements capture, design, programming and code generation. In this paper we trace real-time constraints through the layers in order to inspect their changing forms. They originate in constraints on continuous dynamical models of physical phenomena. However, in a digital system it is desirable to abstract the complexities of these models to simple clocks, and further to events in a reactive system. This paradigm is the main topic of this paper. We illustrate the different forms of timing constraints in duration calculus, a real-time interval logic