V-model process

For software in industrial control systems, the V-model process in Fig. 2.4 shows that there will typically be a series of nested specifications, from the overall functional requirements specification, through intermediate system specifications, to detailed... 

ABSTRACT Economical risks are directly connected with the technological risks. One major problem of a integrated technical and economic risk assessment is the identification of a suitable method, which can combine technological, safety and economical issues in one risk assessment. The Monte-Carlo-Simulation is used in both sciences (engineering economics) and can be adapted to perform a combine risk assessment. The paper explains the Monte-Carlo-Simulation integrated in a V-model process. Via a V-model the different issues can be partitioned, analysed on a low level (component reliability, safety and price) and later combined to a complete system risk assessment. 

The tools that support these activities are not always qualified to sufficiently prevent possible errors. The realization for a tool qualification was the main motivation for part 8, Chap. 12 SW-Tool QuaUficalion of ISO 26262. Later it had been identified that almost aU tools could affect the safely of software-based products. The main idea of a V-model process could also support those tool influences during the software development. If we go aU the way down to the SW units and completely test those corresponding SW units through the coverage test, a negative tool influence can be excluded. 

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