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Hello. This is Young-Chul Kim, an engineer at Hanwha Systems’ IPS Team.
I wanted to contact you about technical inquiries regarding Windchill Quality Solution.
The problems we encountered when using WQS RBD are as follows:
In the analysis setting, “upon system failure” was selected for the Begin repair category, while restoration and logistic times were set as 4 and 72 hours, respectively
When “Immediately” was set for the Begin repair category, MTBF value decreased when components following exponential distribution were added in a series configuration, and we confirmed that the RBD order and the MTBF value were irrelevant to each other.
So, I would like to know how WQS calculates the MTBF value when the Begin repair setting is configured as at “upon system failure” and when it is configured as “immediately” is set.
Thank you for reading my technical inquiries.
You might want to log a case to PTC Technical Support.