Environmental Engineering Reference
In-Depth Information
Figure 33. GMB-A diversity assessment results of two-version I&C systems (examples taken from
(NUREG/CR-7007, 2009) and RadICS-based)
Figure 34. GMB-A diversity assessment results for FPGA-based two-version I&C systems
Stages of Assessment
1. Analysis of I&C specification and require-
ments to a system, definition of system safety
class; requirements to diversity (necessary
for diversity application).
2. Analysis of I&C design and development
process that involves activities: (a) identifica-
tion of MVS types: which of the subsystems
The main stages and operations of diversity analy-
sis and MVS assessment depend on the type of the
evaluated system. The first stage is a Check-list-
based analysis of MVS design and documentation.
This stage contains two operations:
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