maintenance state
IRI: https://spec.industrialontologies.org/ontology/construct/MaintenanceState
Defined In: https://spec.industrialontologies.org/ontology/maintenance/Maintenance/
SubClass Of: material state
Class Hierarchy
owl:Thing βΊ bfo:entity βΊ bfo:occurrent βΊ bfo:process βΊ material state βΊ maintenance state
Direct subclasses:
Definition
stasis that holds during a temporal interval when the realizable functions and capabilities of the participating item, or the grade of realization of those functions and capabilities, remain unchanged
Semi-Formal Definition:
every instance of βmaintenance stateβ is defined as exactly an instance of βoperating stateβ or exactly an instance of βdegraded stateβ or exactly an instance of βfailed stateβ.
Examples
- is broken in two, is running at desired speed
Formal Axioms
First-Order Logic Definition
MaintenanceState(x) β Operating State(x) β¨ DegradedState(x) β¨ FailedState(x)
Description Logic
EquivalentTo: constr:DegradedState or constr:FailedState or constr:OperatingState
SubClassOf: constr:MaterialState