Per Hokstad, Solfrid Håbrekke, Mary Ann Lundteigen (NTNU), Tor Onshus
2009-06-03
30 sider
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This report demonstrates the applicability and usefulness of the PDS method for analysis of railway signalling systems, and suggests in particular how to account for the contribution from:

• Common cause failures
• Self-testing and functional testing.

The report also explains how the PDS method relates to concepts and definitions that are used in IEC 61508, also taking into account the new committee draft released 2008-10-31.