Abstract
We present a method to specify software for a special kind of safety-critical embedded systems, where sensors deliver low-level values that must be abstracted and pre-processed to express functional and safety requirements adequately. These systems are characterized by a reference architecture. The method is expressed as an agenda, which is a list of activities to be performed for setting up the software specification, complemented by validation conditions that help detect and correct errors. The specification language we use is a combination of the formal notation Z and the diagrammatic notation statecharts. Our approach not only provides detailed guidance to specifiers, but it is also part of a more general engineering concept for engineering safety-critical embedded systems that was developed in the ESPRESS project, a joint project of academia and industry.
The Espress project is a cooperation of industry and research institutes funded by the German ministry BMBF (“Förderschwerpunkt Softwaretechnologie”, grant 01 IS 509 C6).
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Winter, K., Santen, T., Heisel, M. (1998). An Agenda for Specifying Software Components with Complex Data Models. In: Ehrenberger, W. (eds) Computer Safety, Reliability and Security. SAFECOMP 1998. Lecture Notes in Computer Science, vol 1516. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-49646-7_2
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DOI: https://doi.org/10.1007/3-540-49646-7_2
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