Did you see my Changing the PVST Interval. Hey, my failure rates changed! post? There is more…
In addition to impacting the way the Partial Valve Stroke Test (PVST) is addressed in the SIL verification calculation, the PVST frequency…
exida explains Blog
Entries tagged with: Partial Valve Stroke Test
- by Iwan van Beurden, CFSE
- Thursday, March 21, 2013
- Software
Changing the PVST Interval. Hey, my Architectural Constraints changed!
- by Iwan van Beurden, CFSE
- Wednesday, March 20, 2013
- Software
Changing the PVST Interval. Hey, my failure rates changed!
I’ve been receiving several inquiries lately regarding the impact of the Partial Valve Stroke Test (PVST) interval on the failure rates of a final element. Specifically asking how does exSILentia® deal with this? exSILentia® allows users to specify if partial stroke testing is performed on their final…
- by Iwan van Beurden, CFSE
- Wednesday, October 16, 2013
- Functional Safety
Why Does My Proof Test Coverage Change with Partial Stroke Testing?
I have run into this question a couple of times now and though the answer is somewhat straightforward, some customers have trouble wrapping their head around this without a clear example. So here we go…
First of all we need to keep in mind that the objective of a…