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exported equivalent COPI_0000310
Load Cell
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000310
Generated onGerado em 2026-04-15
Natural Language DefinitionDefinição em Linguagem Natural
EN
A load cell is an instrument that converts mechanical force (tension, compression, pressure, or torque) into a proportional electrical signal for measurement purposes.
PT-BR
Uma célula de carga é um instrumento que converte força mecânica (tração, compressão, pressão ou torque) em um sinal elétrico proporcional para fins de medição.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every load cell is an instrument that bears a force-to-electrical transduction function and has a force-receiving element, transduction element, and electrical output.
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Definition]∀x (LoadCell(x) ↔ Instrument(x) ∧ ∃f (ForceToElectricalTransductionFunction(f) ∧ bearerOf(x,f)) ∧ ∃bearerOf.ForceToElectricalTransductionFunction ⊓ ∃participatesIn.ForceToElectricalTransductionProcess) — Steps 1–3: genus + identity-giving function [Function axiom: ForceToElectricalTransductionFunction]∀f (ForceToElectricalTransductionFunction(f) → ∀p (realizedIn(f,p) → ForceToElectricalTransductionProcess(p)) ∧ ∃p (ForceToElectricalTransductionProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Process participation signature]∀x ∀f ((LoadCell(x) ∧ ForceToElectricalTransductionFunction(f) ∧ bearerOf(x,f)) → ∃e (ElectricalSignal(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: LoadCell <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 :ForceToElectricalTransductionFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :ForceToElectricalTransductionProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :ForceToElectricalTransductionProcess ] ; rdfs:label "force to electrical transduction function"@en ; rdfs:label "função de transdução força-elétrica"@pt-br . ### Process type :ForceToElectricalTransductionProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "force to electrical transduction process"@en ; rdfs:label "processo de transdução força-elétrica"@pt-br . :ForceToElectricalTransductionProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :ElectricalSignal ] . ### Equipment universal: LoadCell :LoadCell 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 :ForceToElectricalTransductionFunction ] ) ] ; rdfs:label "load cell"@en ; rdfs:label "célula de carga"@pt-br ; iof-av:naturalLanguageDefinition "A load cell is an instrument that converts mechanical force (tension, compression, pressure, or torque) into a proportional electrical signal for measurement purposes."@en ; skos:definition "A load cell is an instrument that converts mechanical force (tension, compression, pressure, or torque) into a proportional electrical signal for measurement purposes."@en ; iof-av:naturalLanguageDefinition "Uma célula de carga é um instrumento que converte força mecânica (tração, compressão, pressão ou torque) em um sinal elétrico proporcional para fins de medição."@pt-br ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000196 ; owl:someValuesFrom :COPI_0000384 ] ; # Disjointness: LoadCell and FlowTransmitter [] rdf:type owl:AllDisjointClasses ; owl:members ( :LoadCell :FlowTransmitter ) . # Disjointness: LoadCell and TemperatureTransmitter [] rdf:type owl:AllDisjointClasses ; owl:members ( :LoadCell :TemperatureTransmitter ) . # Disjointness: LoadCell and LevelTransmitter [] rdf:type owl:AllDisjointClasses ; owl:members ( :LoadCell :LevelTransmitter ) .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
ForceToElectricalTransductionFunction ⊑ DesignedFunction
Realized in
ForceToElectricalTransductionProcess ⊑ PlannedProcess
All definitions consistently identify force-to-electrical signal conversion as the identity-giving function. This distinguishes load cells from other force measuring devices that may use purely mechanical indication or other output modalities.
2 Genus DeterminationDeterminação do Gênero
Instrumentbfo:Object (BFO_0000030)
Load cell is consistently described as a measuring/detecting device across all sources. While 'transducer' appears in definitions, it's more of a functional descriptor than a structural classification. The numerous subtypes (strain gauge, piezoelectric, hydraulic variants) indicate internal complexity warranting Assembly classification under the Instrument genus, which best captures its measurement equipment nature.
3 Differentia SpecificaDiferença Específica
∃bearerOf.ForceToElectricalTransductionFunction ⊓ ∃participatesIn.ForceToElectricalTransductionProcess

A load cell converts mechanical force (tension, compression, pressure, torque) into a proportional electrical signal for measurement.

The differentia captures the specific transduction function (force to electrical signal) that distinguishes load cells from other instruments. The input/output specification is essential as it defines the measurement domain and signal type.
4 Necessary PartsPartes Necessárias

No necessary parts recorded.

These parts represent the minimum necessary components for force-to-electrical transduction functionality. Specific implementations vary (strain gauge vs. piezoelectric vs. hydraulic) but these functional elements are universal.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
—
OutputsSaídas
{'type': 'ElectricalSignal', 'count': 1, 'constraints': 'proportional to applied force'}
TransformationTransformação
mechanical force converted to electrical signal through transduction
Load cells have a single force input and single electrical signal output with a defined proportional relationship, distinguishing them from other measurement transducers.
Disjoint WithDisjunto com
flow transmitter temperature transmitter level transmitter
C?: flow transmitter [kind_ambiguous]. C?: temperature transmitter [kind_ambiguous]. C?: level transmitter [kind_ambiguous]. Load cells measure mechanical force while these other transmitters measure different physical quantities (flow rate, temperature, fluid level), making their measurement functions incompatible.
MetadataMetadados
COPI IDCOPI IDCOPI_0000310
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000310
StatusStatusexported
Axiom modeModoequivalent
CreatedCriado2026-04-15
UpdatedAtualizado2026-07-12
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13
Quick factsDados rápidos
GenusGêneroInstrument
Root classClasse raizAssembly
Axiom modeModoequivalent
FunctionFunçãoForceToElectricalTransductionFunction
ProcessProcessoForceToElectricalTransductionProcess
PartsPartes0
Source DefinitionsDefinições nas Fontes 4 sources
ISO 15926-4 LOAD CELL
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 load cell
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.
SLB Glossary load cell
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.
ONEPETRO_GLOSSARY Load cell
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.