HRT-HOOD: a structured design method for hard real-time systems
Real-Time Systems
Integrating VDM++ and Real-Time System Design
ZUM '97 Proceedings of the 10th International Conference of Z Users on The Z Formal Specification Notation
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This paper identifies ways in which formal real-time notations (VDM++) real-time design methods (HRT-HOOD) and simulation tools (gPROMS) can be combined in practical developments. The benefits of such a combination include that a precise semantics can be attached to specifications in HRT-HOOD using the VDM++ notation and that HRT-HOOD guidelines on structuring and decomposition can be used for VDM++ specifications and designs. Abstract real-time specifications can also be animated at an early development stage to validate them against requirements.