Kuikka, Seppo

Mätäsniemi, Teemu

Vepsäläinen, Timo

The article represents a matrix based specification format as a functional requirements specification for deviation situation measures allocated to a basic control system. The deviation situations are studied and defined. By the aid of definitions, constraint control functions are introduced and the role of basic control system is assigned in the context of safety. The specification representation is integrated with UML model based approach to rationalize an application software development. The software development (AUKOTON development process) as a part of manufacturing system development is represented. In addition, this workflow is related to IEC 61508 overall safety lifecycle used in safety-related system development to show that the application development can benefit from more strict and model based development procedures

Software development of safety functions in basic control systems:Application of matrix based specification with UML model based approach

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