exported
equivalent
compensator
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Compensator
Generated on 2026-04-16
Natural Language Definition
EN
A compensator is a material artifact that has the designed function of compensating for axial or radial movement between two connected elements.
PT-BR
Um compensador é um artefato material que tem a função projetada de compensar movimento axial ou radial entre dois elementos conectados.
Formal Axioms
Semi-formal (Aristotelian)
Every compensator is a material artifact that bears a movement compensation function and has component parts including a compensation mechanism and connection interfaces.
First-Order Logic Theory
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▸ Stored override
∀x(Compensator(x) ↔ MaterialArtifact(x) ∧ ∃f(MovementCompensationFunction(f) ∧ bearerOf(x,f)))
OWL 2 / Turtle
@prefix copi: <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix : <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix bfo: <http://purl.obolibrary.org/obo/> .
@prefix iof-core: <https://spec.industrialontologies.org/ontology/construct/> .
@prefix iof-av: <https://spec.industrialontologies.org/ontology/annotation/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix apv: <http://inf.ufrgs.br/ontologies/apv#> .
### COPI — Core Ontology for Petroleum Installations
### Class module: Compensator
<https://www.inf.ufrgs.br/ontologies/copi>
rdf:type owl:Ontology ;
dcterms:title "Core Ontology for Petroleum Installations (COPI)"@en ;
dcterms:title "Ontologia Core para Instalações de Petróleo (COPI)"@pt-br ;
dcterms:description "BFO/IOF-Core conformant ontology of equipment classes for petroleum production plants, developed using the five-step RDL enrichment method."@en ;
skos:scopeNote "Material artifacts (bfo:material_entity) that (i) are part of a petroleum production plant, and (ii) bear at least one function whose realization involves the transport (e.g. production and injection), processing (separation and other processes), control, monitoring, measurement, containment or offloading of material or energy."@en ;
skos:scopeNote "Artefatos materiais (bfo:material_entity) que (i) fazem parte de uma planta de produção de petróleo, e (ii) possuem ao menos uma função cuja realização envolve o transporte (p. ex. produção e injeção), processamento (separação e outros processos), controle, monitoramento, medição, contenção ou escoamento de material ou energia."@pt-br ;
skos:scopeNote "COPI provides high-level equipment categories defined by function to demonstrate the defined-class mechanism. Equipment subtypes are annotated with references to CFIHOS and PCA RDL terms. COPI is not a reference data library; organizations should use CFIHOS, PCA RDL, or ISO 14224 for comprehensive equipment classification."@en ;
skos:scopeNote "COPI fornece categorias de alto nível de equipamentos definidas por função para demonstrar o mecanismo de classe definida. Os subtipos de equipamentos são anotados com referências aos termos do CFIHOS e do PCA RDL. COPI não é uma biblioteca de dados de referência; organizações devem utilizar o CFIHOS, o PCA RDL ou a ISO 14224 para classificação abrangente de equipamentos."@pt-br ;
owl:versionInfo "1.1.0" ;
owl:imports <https://spec.industrialontologies.org/ontology/core/Core/> ;
owl:imports <http://purl.obolibrary.org/obo/bfo/2020/bfo.owl> ;
dcterms:creator "Nicolau Oyhenard dos Santos"@en ;
dcterms:contributor "Cauã Antunes" ;
dcterms:contributor "Haroldo Rojas" ;
dcterms:contributor "Rafael Petry" ;
dcterms:contributor "Régis Romeu" ;
dcterms:contributor "Mara Abel" ;
dcterms:isPartOf <https://inf.ufrgs.br/projetos/OntoKG> ;
dcterms:publisher "Universidade Federal do Rio Grande do Sul (UFRGS)"@en ;
dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
dcterms:created "2026-04-08"^^xsd:date ;
dcterms:modified "2026-10-08"^^xsd:date ;
apv:GlobalMinLanguageCoverage "en pt-br" ;
apv:ClassURIFormationRule "https://www[.]inf[.]ufrgs[.]br/ontologies/copi/(COPI_[0-9]{7}|[A-Z][A-Za-z0-9]*)" ;
apv:ClassMinAnnotationCoverage "rdfs:label https://spec.industrialontologies.org/ontology/annotation/naturalLanguageDefinition" .
iof-av:naturalLanguageDefinition rdf:type owl:AnnotationProperty ;
apv:MinAnnotationLength 20 .
### Identity-giving function
:COPI_0000580 rdf:type owl:Class ; # MovementCompensationFunction
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :COPI_0000581 # MovementCompensationProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :COPI_0000581 # MovementCompensationProcess
] ;
rdfs:label "movement compensation function"@en ;
rdfs:label "função de compensação de movimentação"@pt-br .
### Process type
:COPI_0000581 rdf:type owl:Class ; # MovementCompensationProcess
rdfs:subClassOf iof-core:PlannedProcess ;
rdfs:label "movement compensation process"@en ;
rdfs:label "processo de compensação de movimentação"@pt-br .
### Equipment universal: Compensator
:COPI_0000230 rdf:type owl:Class ; # Compensator
owl:equivalentClass [
rdf:type owl:Class ;
owl:intersectionOf (
iof-core:MaterialArtifact
[
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
owl:someValuesFrom :COPI_0000580 # MovementCompensationFunction
]
)
] ;
rdfs:label "compensator"@en ;
rdfs:label "compensador"@pt-br ;
iof-av:naturalLanguageDefinition "A compensator is a material artifact that has the designed function of compensating for axial or radial movement between two connected elements."@en ;
skos:definition "A compensator is a material artifact that has the designed function of compensating for axial or radial movement between two connected elements."@en ;
iof-av:naturalLanguageDefinition "Um compensador é um artefato material que tem a função projetada de compensar movimento axial ou radial entre dois elementos conectados."@pt-br ;
rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000196 ; owl:someValuesFrom :COPI_0000384 ] ;
skos:definition "[ISO 15926-4] A <COMPENSATOR> is a <FunctionalObject> that has a capability of <COMPENSATING> for axial or radial movement between two elements that is connected"@en ;
skos:definition "[CFIHOS] A device compensating for axial or radial movement between two elements that is connected."@en .
Axiomatization Decision Log
1
Identity-Giving Function
Function class
MovementCompensationFunction
⊑ DesignedFunction
Realized in
MovementCompensationProcess
⊑ PlannedProcess
The identity-giving function is compensating for axial or radial movement between connected elements. This distinguishes compensators from other mechanical equipment that may absorb forces but don't specifically compensate for movement.
2
Genus Determination
MaterialArtifact
bfo:Object (BFO_0000030)
Monolithic causally unified material artefact.
MaterialArtifact ≡ Object ⊓ ∃bearerOf.DesignedFunction.
Among parent candidates, 'FunctionalObject' is too abstract and 'other mechanical equipment' is not a formal ontological class. 'PipeFitting' is too restrictive as compensators exist beyond piping systems. A compensator is a single causally unified artifact designed for a specific function, making MaterialArtifact the most appropriate genus.
3
Necessary Parts
No necessary parts recorded (concept may be primitive at this level).
All compensators require a mechanism to accommodate movement and interfaces to connect the elements between which movement is compensated. Specific mechanisms (bellows, ball joints, etc.) vary by subtype.
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
—
Outputs (O)
—
Transformation (T)
mechanical force/displacement absorption and accommodation
Compensators receive displacement forces and absorb/accommodate them rather than transmitting them fully to connected equipment, protecting from stress due to movement.
5
Axiom Mode Decision
Necessary + Sufficient
— modelled as a defined class
(≡, EquivalentClass). Automatic classification is
appropriate for this concept.
Cross-Standard Observations
Both ISO 15926 and CFIHOS provide consistent definitions focusing on movement compensation function. The standards agree on the axial/radial movement aspect and connection between elements. No significant mismatches observed.
