exported equivalent COPI_0000362
Transducer
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000362
Generated onGerado em 2026-04-16
Natural Language DefinitionDefinição em Linguagem Natural
EN
A transducer is an instrument that bears a TransductionFunction to convert information from one form or magnitude of energy to another form or magnitude.
PT-BR
Um transdutor é um instrumento que possui uma FunçãoDeTransdução para converter informação de uma forma ou magnitude de energia para outra forma ou magnitude.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every transducer is an instrument that has the designed function to convert energy or signal forms while preserving information content.
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Definition]∀x (Transducer(x) ↔ Instrument(x) ∧ ∃f (TransductionFunction(f) ∧ bearerOf(x,f))) — Steps 1–3: genus + identity-giving function [Function axiom: TransductionFunction]∀f (TransductionFunction(f) → ∀p (realizedIn(f,p) → TransductionProcess(p)) ∧ ∃p (TransductionProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Process participation signature]∀x ∀f ((Transducer(x) ∧ TransductionFunction(f) ∧ bearerOf(x,f)) → ∃m (PhysicalVariable(m) ∧ participatesIn(m,f)) ∧ ∃e (Signal(e) ∧ participatesIn(e,f)) ∧ processType(f,MeasurementTransduction)) — 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: Transducer <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 :TransductionFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :TransductionProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :TransductionProcess ] ; rdfs:label "transduction function"@en ; rdfs:label "função de transdução"@pt-br . ### Process type :TransductionProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "transduction process"@en ; rdfs:label "processo de transdução"@pt-br . :TransductionProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :PhysicalVariable ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :Signal ] . ### Equipment universal: Transducer :Transducer rdf:type owl:Class ; owl:equivalentClass [ rdf:type owl:Class ; owl:intersectionOf ( :Instrument [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :TransductionFunction ] ) ] ; rdfs:label "transducer"@en ; rdfs:label "transdutor"@pt-br ; iof-av:naturalLanguageDefinition "A transducer is an instrument that bears a TransductionFunction to convert information from one form or magnitude of energy to another form or magnitude."@en ; skos:definition "A transducer is an instrument that bears a TransductionFunction to convert information from one form or magnitude of energy to another form or magnitude."@en ; iof-av:naturalLanguageDefinition "Um transdutor é um instrumento que possui uma FunçãoDeTransdução para converter informação de uma forma ou magnitude de energia para outra forma ou magnitude."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every transducer is an instrument that has the designed function to convert energy or signal forms while preserving information content."@en ; iof-av:firstOrderLogicAxiom "∀x (Transducer(x) ↔ Instrument(x) ∧ ∃f (TransductionFunction(f) ∧ bearerOf(x,f)))"@en ;
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
TransductionFunction ⊑ DesignedFunction
Realized in
TransductionProcess ⊑ PlannedProcess
The identity-giving function is the capability to convert information or energy from one form or magnitude to another. This conversion/transduction is what makes a transducer a transducer, distinct from simple measurement (which only detects) or transmission (which only conveys).
2 Genus DeterminationDeterminação do Gênero
Instrumentbfo:Object (BFO_0000030)
Transducers are fundamentally instrumentation devices that process information signals. While ISO 15926 suggests 'ENERGY CONVERTER' as parent, transducers are more specifically instruments that handle process variables and signals. The existing enriched classes show many instrument subtypes (transmitter, indicator, detector) suggesting Instrument as the appropriate genus level.
3 Differentia SpecificaDiferença Específica
∃bearerOf.TransductionFunction

A transducer is distinguished from other instruments by its capability to convert information from one form or magnitude of energy to another form or magnitude.

The TransductionFunction captures the essential differentia - the ability to convert between different forms or magnitudes of energy while preserving information content. This is what distinguishes transducers from other instrument types.
4 Necessary PartsPartes Necessárias

No necessary parts recorded.

These two parts are fundamental to all transducers - something to sense the input variable and something to convert it to the output form. Specific transducer types will have more specialized parts.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'PhysicalVariable', 'count': 1, 'constraints': 'any physical or chemical quantity'}
OutputsSaídas
{'type': 'Signal', 'count': 1, 'constraints': 'converted form of input variable according to definite law'}
TransformationTransformação
energy form conversion while preserving information content
Transducers accept physical/chemical variables as inputs and produce output signals in different energy forms, with the transformation governed by a definite conversion relationship.
MetadataMetadados
COPI IDCOPI IDCOPI_0000362
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000362
StatusStatusexported
Axiom modeModoequivalent
CreatedCriado2026-04-16
UpdatedAtualizado2026-06-28
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13