A Resource is something that has a limited supply (e.g., spare parts, fuel, skilled personnel, money) and is required in order for elements of the modeled system to carry out certain actions.
When automatically repairing a failure mode, you can specify that certain Resources must be available in order for the failure mode to be repaired. If the Resources are not available when the component fails due to that mode, the mode will not be repaired until they are available.
To define Resource Requirements for repairing a failure mode, press the Resources button at the bottom of the Failure Modes tab:
The following dialog will be displayed:
Note: In order for this dialog to appear, you must have previously
defined at least one Resource in the model.
You can add a Resource Requirement by pressing the Add button.
An repair for a failure mode interacts with the specified Resource Stores when the component fails due to that mode, and can only have two types of interactions (specified in the Usage column):
•Spend (discrete): A discrete quantity of the Resource is required in order to carry out the repair. If the requested Resource quantity is not available, the repair signal is “held”, and it waits for the Resource to become available.
•Borrow (discrete): A discrete quantity of the Resource is required in order to carry out the repair. If the requested Resource quantity is not available, the repair signal is “held”, and it waits for the Resource to become available. If the Resource is available, the repair begins and the borrowed quantity is returned to the Resource Store when the repair is complete.
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