I'm trying to illustrate the reliability of machines arranged from a parallel reliability point of view. In other words, the system works if at least one machine works. So I need to know when all the machines fail at the same time.
However, when these machines are arranged in series, this is easy, as all you have to do is uncheck the "Break down members individually" box in the MTBF/MTTR properties.
I really don't see how I can make this as simple as possible.
Thank you for your help !
As you say it is not easy.
A wait for event activity checks if a break down occurs. A waiting token label value must match with involved processor.
A batch activity collects as many items as processors exist in parallel structure.
A different process flow waits for events of resuming a breakdown stop state. Upon this event created token preempts involved token of the breakdown watching process batch activity.
If a batch gets successfully collected, then all parallel processors are in breakdown simultaneously.
Edit attach model:
A somewhat simpler approach might be to increase a tracked on each individual breakdown. If the variable reaches the total number of processors, all are broken at the same time.
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