Statecharts supervision models for reactive systems

Authors:
Antonio Mendes da Silva Filho
Affiliations:
Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Ont, Canada, N2L 3G1
Venue:
CASCON '95 Proceedings of the 1995 conference of the Centre for Advanced Studies on Collaborative research
Year:
1995

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Abstract

This paper presents software supervision as a technique for improving the software reliability of reactive systems. Software supervision consists of monitoring both the inputs and outputs of a target system and checking them against the target system's specification. All discrepancies between observed sequences of signals and the target system's specification are reported as failures. This paper shows the suitability of using Statecharts as a formal technique to specify supervision models to reactive systems software specified in SDL (Specification and Description Language). Moreover, the Statecharts-based Supervisor Modeling, called SSM, has been studied and developed, which allows the generation of supervision models.