cbm optimization – complex items an item is a group of components that is convenient to monitor...
TRANSCRIPT
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CBM Optimization – Complex items
An item is a group of components that is convenient to monitor and analyze together
Equipment units, as defined in the CMMS asset register are, in general, well defined items.
A complex item is an item with more than one significant failure mode.
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EXAKT data model
Inspections
IdentDateWorkingAgeCovariate1NameCovariate2Name….Comment
Events
IdentDateWorkingAgeEventComment
EventsDescription
EventNamePrecedenceComment
VarDescription
VariableNameMeasureUnitWarnLimit1WarnLimit2…Comment
CovariatesOnEvent
EventStartingDateEndingDateCovariate1NameCovariate2Name…Comment
IdentToModel
ModelNameIdentNameDate
EventToModel
ModelNameInputEventNameOutputEventNameInputPOutputP
VarToModel
ModelNameInputVariableNameOutputVariableNameVariableDataTypeMeasureUnitWarnLimit1WarnLimt2...
These are data mapping tables. They enable the analysis of complex items and are automatically populated by EXAKT in the mapping procedure to be discussed in Slide 5
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Attach external database(s) to the analysis
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General project data
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Data mapping of the first failure mode on Gearbox A
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Build the proportional hazard model
Age not significant. So fix shape parameter to one.
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Final model – reliability is age independent
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Transition and Decision models
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Cost function
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Decisions
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Creating the DMDR database
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Attach the DMDR database tables
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Store decision model
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EXAKT for decisions
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Attach DMDR tables
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Create a report list and run the models
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Graphics
Replacement Decision Failure Risk
Conditional Distribution Function
Conditional Density Function
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All Units report