Definitions of Equivalence for Transformational Synthesis of Embedded Systems

  • Authors:

  • Affiliations:

  • Venue:
  • ICECCS '00 Proceedings of the 6th IEEE International Conference on Complex Computer Systems
  • Year:
  • 2000

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Abstract

Abstract: Design of embedded systems is a complex task that requires design cycles founded upon formal notation, so that the synthesis from specification to implementation can be carried out systematically. The authors present a computational model for embedded systems based on Petri nets called PRES+. It includes an explicit notion of time and allows a concise formulation of models. Tokens, in our notation hold information, and transitions when fired perform transformation of data. Based on this model we define several notions of equivalence (reachable, behavioral, time, and total), which provide the framework for transformational synthesis of embedded systems. Different representations of an Ethernet network coprocessor are studied in order to illustrate the applicability of PRES+ and the definitions of equivalence on practical systems.