← Class ReferenceReferência de Classes
exported necessary COPI_0000260
Electric Actuator
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000260
Generated onGerado em 2026-04-16
Natural Language DefinitionDefinição em Linguagem Natural
EN
An electric actuator is an actuator that converts electrical energy to mechanical movement through an electric-to-mechanical converter component and operates via electrical signal input.
PT-BR
Um atuador elétrico é um atuador que converte energia elétrica em movimento mecânico através de um componente conversor elétrico-mecânico e opera via entrada de sinal elétrico.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every electric actuator is an actuator that has an electric-to-mechanical converter component at all times and has electrical signal input.
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Necessary condition]∀x (ElectricActuator(x) → Actuator(x) ∧ ∃f (ActuationFunction(f) ∧ bearerOf(x,f))) — Steps 1–3: genus + identity-giving function [Function axiom: ActuationFunction]∀f (ActuationFunction(f) → ∀p (realizedIn(f,p) → ActuationProcess(p)) ∧ ∃p (ActuationProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Structural differentia (necessary only)]∀x (ElectricActuator(x) → ∃hasComponentPartAtAllTimes.ElectricToMechanicalConverter ⊓ ∃participatesIn.ActuationProcess) — Step 3: structural property — necessary condition, not sufficient (OWA prevents ≡) [Process participation signature]∀x ∀f ((ElectricActuator(x) ∧ ActuationFunction(f) ∧ bearerOf(x,f)) → ∃m (ElectricalSignal(m) ∧ participatesIn(m,f)) ∧ processType(f,ElectricalPowerConversion)) — 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: ElectricActuator <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 :ActuationFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :ActuationProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :ActuationProcess ] ; rdfs:label "actuation function"@en ; rdfs:label "função de atuação"@pt-br . ### Process type :ActuationProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "actuation process"@en ; rdfs:label "processo de atuação"@pt-br . :ActuationProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :ElectricalSignal ] . ### Equipment universal: ElectricActuator :ElectricActuator rdf:type owl:Class ; rdfs:subClassOf :Actuator ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :ActuationFunction ] ; rdfs:label "electric actuator"@en ; rdfs:label "atuador elétrico"@pt-br ; iof-av:naturalLanguageDefinition "An electric actuator is an actuator that converts electrical energy to mechanical movement through an electric-to-mechanical converter component and operates via electrical signal input."@en ; skos:definition "An electric actuator is an actuator that converts electrical energy to mechanical movement through an electric-to-mechanical converter component and operates via electrical signal input."@en ; iof-av:naturalLanguageDefinition "Um atuador elétrico é um atuador que converte energia elétrica em movimento mecânico através de um componente conversor elétrico-mecânico e opera via entrada de sinal elétrico."@pt-br ; iof-av:isPrimitive "true"^^xsd:boolean ; iof-av:primitiveRationale "Constructive classification based on electrical energy conversion mechanism. Under OWA, asserting equivalence would force any artifact with electrical-to-mechanical conversion into this category, potentially misclassifying specialized hybrid equipment or complex electrical machinery that should not be categorized as standard actuators."@en ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000196 ; owl:someValuesFrom :COPI_0000058 ] ; # Disjointness: ElectricActuator and PneumaticActuator [] rdf:type owl:AllDisjointClasses ; owl:members ( :ElectricActuator :PneumaticActuator ) . # Disjointness: ElectricActuator and HydraulicActuator [] rdf:type owl:AllDisjointClasses ; owl:members ( :ElectricActuator :HydraulicActuator ) .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
ActuationFunction ⊑ DesignedFunction
Realized in
ActuationProcess ⊑ PlannedProcess
Electric actuators share the same identity-giving function as all actuators - to produce specified movement or positioning. The electrical energy source is a mechanism differentia, not a distinct function type.
2 Genus DeterminationDeterminação do Gênero
actuatorbfo:Object (BFO_0000030)
Actuator is the most specific appropriate superclass and is already enriched in our ontology. Electric actuator is clearly a subtype of actuator, distinguished by its electrical energy conversion mechanism. The parent_candidates list includes 'actuator' which is the correct choice over the more general categories like INSTRUMENTATION ITEM or ELECTRICAL APPARATUS.
3 Differentia SpecificaDiferença Específica
∃hasComponentPartAtAllTimes.ElectricToMechanicalConverter ⊓ ∃participatesIn.ActuationProcess

An electric actuator is distinguished from other actuators by having an electric-to-mechanical energy converter component and requiring electrical signal input for operation.

The differentia captures the essential distinguishing characteristic - the electrical energy conversion mechanism and electrical signal input requirement. This is what makes an electric actuator different from pneumatic, hydraulic, or manual actuators under the same genus.
4 Necessary PartsPartes Necessárias

No necessary parts recorded.

These parts are necessary for any electric actuator to function: energy conversion capability, electrical interface, and protective housing for electrical components.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'ElectricalSignal', 'count': 1, 'constraints': 'control signal with specified voltage/current'}
OutputsSaídas
—
TransformationTransformação
electrical energy converted to mechanical energy with controlled positioning
Electric actuators transform electrical input signals and power into controlled mechanical movement, which is the fundamental process signature that distinguishes them from other energy conversion types.
Disjoint WithDisjunto com
PneumaticActuator HydraulicActuator
C1: PneumaticActuator, HydraulicActuator. Different energy conversion mechanisms are mutually exclusive - an actuator cannot simultaneously be primarily electric and primarily pneumatic/hydraulic powered
MetadataMetadados
COPI IDCOPI IDCOPI_0000260
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000260
StatusStatusexported
Axiom modeModonecessary
CreatedCriado2026-04-16
UpdatedAtualizado2026-07-12
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13
Quick factsDados rápidos
GenusGêneroactuator
Root classClasse raizAssembly
Axiom modeModonecessary
FunctionFunçãoActuationFunction
ProcessProcessoActuationProcess
PartsPartes0
Source DefinitionsDefinições nas Fontes 3 sources
ISO 15926-4 ELECTRIC ACTUATOR
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.
CFIHOS electric actuator
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.
POSC Caesar Electric Actuator
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.