exported equivalent COPI_0000206
Accumulator
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000206
Generated onGerado em 2026-04-15
Natural Language DefinitionDefinição em Linguagem Natural
EN
An accumulator is a vessel that has the designed function to accumulate (store and controllably release) energy or matter.
PT-BR
Um acumulador é um vaso que tem a função projetada de acumular (armazenar e liberar de forma controlada) energia ou matéria.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every accumulator is a vessel that bears an accumulation function
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Definition]∀x (Accumulator(x) ↔ Vessel(x) ∧ ∃f (AccumulationFunction(f) ∧ bearerOf(x,f))) — Steps 1–3: genus + identity-giving function [Function axiom: AccumulationFunction]∀f (AccumulationFunction(f) → ∀p (realizedIn(f,p) → AccumulationProcess(p)) ∧ ∃p (AccumulationProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Process participation signature]∀x ∀f ((Accumulator(x) ∧ AccumulationFunction(f) ∧ bearerOf(x,f)) → ∃m1 (EnergyPortion(m1) ∧ participatesIn(m1,f)) ∧ ∃m2 (FluidPortion(m2) ∧ participatesIn(m2,f)) ∧ ∃e1 (EnergyPortion(e1) ∧ participatesIn(e1,f)) ∧ ∃e2 (FluidPortion(e2) ∧ participatesIn(e2,f)) ∧ processType(f,EnergyStorage)) — Step 5: typed participants in the realising process
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: Accumulator <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 "1.1.0-104-g4d16eff" ; 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 "2026-07-13"^^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 :AccumulationFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :AccumulationProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :AccumulationProcess ] ; rdfs:label "accumulation function"@en ; rdfs:label "função de acumulação"@pt-br . ### Process type :AccumulationProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "accumulation process"@en ; rdfs:label "processo de acumulação"@pt-br . :AccumulationProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :EnergyPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :FluidPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :EnergyPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :FluidPortion ] . ### Equipment universal: Accumulator :Accumulator rdf:type owl:Class ; owl:equivalentClass [ rdf:type owl:Class ; owl:intersectionOf ( :Vessel [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :AccumulationFunction ] ) ] ; rdfs:label "accumulator"@en ; rdfs:label "acumulador"@pt-br ; iof-av:naturalLanguageDefinition "An accumulator is a vessel that has the designed function to accumulate (store and controllably release) energy or matter."@en ; skos:definition "An accumulator is a vessel that has the designed function to accumulate (store and controllably release) energy or matter."@en ; iof-av:naturalLanguageDefinition "Um acumulador é um vaso que tem a função projetada de acumular (armazenar e liberar de forma controlada) energia ou matéria."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every accumulator is a vessel that bears an accumulation function"@en ; iof-av:firstOrderLogicAxiom "∀x (Accumulator(x) ↔ (Vessel(x) ∧ ∃f (AccumulationFunction(f) ∧ bearerOf(x,f))))"@en ; # Disjointness: Accumulator and HeatExchanger [] rdf:type owl:AllDisjointClasses ; owl:members ( :Accumulator :HeatExchanger ) . # Disjointness: Accumulator and Pump [] rdf:type owl:AllDisjointClasses ; owl:members ( :Accumulator :Pump ) . # Disjointness: Accumulator and Compressor [] rdf:type owl:AllDisjointClasses ; owl:members ( :Accumulator :Compressor ) . # Disjointness: Accumulator and Turbine [] rdf:type owl:AllDisjointClasses ; owl:members ( :Accumulator :Turbine ) .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
AccumulationFunction ⊑ DesignedFunction
Realized in
AccumulationProcess ⊑ PlannedProcess
The identity-giving function is the capability to accumulate (store and later release) energy or matter. This is the common thread across all definitions: ISO 15926's 'capability of accumulating matter and/or energy', CFIHOS's 'storing energy', SLB's 'store energy', and OnePetro's contexts of storing hydraulic energy or temporarily storing liquids. This function distinguishes accumulators from other storage devices by emphasizing the accumulation process (gradual buildup and controlled release).
2 Genus DeterminationDeterminação do Gênero
Vesselbfo:Object (BFO_0000030)
Among the parent candidates, 'vessel' (from CFIHOS) is the most specific and ontologically appropriate genus. Accumulators are fundamentally containment vessels designed for storage/accumulation functions. The ISO 15926 'FunctionalObject' and POSC 'Artefact' are too broad. 'Vessel' is already enriched in our ontology with ContainmentFunction, making it the ideal genus. Accumulators inherit the basic containment capability but add the specific accumulation/energy storage differentia.
3 Differentia SpecificaDiferença Específica
∃bearerOf.AccumulationFunction

An accumulator is distinguished from other vessels by its designed function to accumulate (store and controllably release) energy or matter.

The AccumulationFunction is the minimal differentia that distinguishes accumulators from all other vessel types. Unlike simple storage tanks, accumulators are designed for the accumulation process - storing energy/matter under pressure and releasing it when needed. This covers both hydraulic accumulators (storing pressurized fluid energy) and other accumulator types (electric, gas-loaded, etc.).
4 Necessary PartsPartes Necessárias

No necessary parts recorded.

These are the minimal parts required for any accumulator regardless of subtype. The specific nature of the storage mechanism varies (gas bladder, piston, spring, chemical cells, etc.) but some energy storage mechanism is always present.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'EnergyPortion', 'count': 1, 'constraints': 'various forms - mechanical, hydraulic, electrical, chemical'}, {'type': 'FluidPortion', 'count': '0-1', 'constraints': 'optional, for fluid-based accumulators'}
OutputsSaídas
{'type': 'EnergyPortion', 'count': 1, 'constraints': 'same type as input, potentially at different pressure/voltage'}, {'type': 'FluidPortion', 'count': '0-1', 'constraints': 'if fluid input, then fluid output at potentially different pressure'}
TransformationTransformação
energy storage and controlled release - no energy conversion, but temporal and potentially pressure/voltage buffering
Accumulators perform energy accumulation and release without fundamental energy conversion. The signature varies by accumulator type but always involves energy input during charging, storage, and energy output during discharge. Fluid may or may not be involved depending on the accumulator type.
Disjoint WithDisjunto com
HeatExchanger Pump Compressor Turbine
C?: HeatExchanger [kind_ambiguous]. C?: Pump [kind_ambiguous]. C?: Compressor [kind_ambiguous]. C?: Turbine [kind_ambiguous]. Accumulators store and release energy without conversion between energy types, while heat exchangers convert between thermal and fluid energy, pumps/compressors add energy to fluids, and turbines extract energy from fluids. The signatures are incompatible in terms of transformation type.
MetadataMetadados
COPI IDCOPI IDCOPI_0000206
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000206
StatusStatusexported
Axiom modeModoequivalent
CreatedCriado2026-04-15
UpdatedAtualizado2026-06-26
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13