exported
equivalent
fuse
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Fuse
Generated on 2026-04-16
Natural Language Definition
EN
A fuse is an electrical equipment that protects circuits by interrupting current flow through the intentional melting of a fusible element when current exceeds specified values for a sufficient duration.
PT-BR
Um fusível é um equipamento elétrico que protege circuitos interrompendo o fluxo de corrente através do derretimento intencional de um elemento fusível quando a corrente excede valores especificados por uma duração suficiente.
Formal Axioms
Semi-formal (Aristotelian)
Every fuse is an electrical equipment that bears an overcurrent-protection-by-fusing function and has a fuse element that melts under overcurrent conditions.
First-Order Logic Theory
Loading…
▸ Stored override
∀x(Fuse(x) ↔ ElectricalEquipment(x) ∧ ∃f(OvercurrentProtectionByFusingFunction(f) ∧ bearerOf(x,f)) ∧ ∃e(FuseElement(e) ∧ hasComponentPartAtAllTimes(x,e)))
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: Fuse
<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_0000588 rdf:type owl:Class ; # OvercurrentProtectionByFusingFunction
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :COPI_0000450 # CurrentInterruptionByFusing
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :COPI_0000450 # CurrentInterruptionByFusing
] ;
rdfs:label "overcurrent protection by fusing function"@en .
### Process type
:COPI_0000450 rdf:type owl:Class ; # CurrentInterruptionByFusing
rdfs:subClassOf iof-core:PlannedProcess ;
rdfs:label "current interruption by fusing"@en .
### Equipment universal: Fuse
:COPI_0000282 rdf:type owl:Class ; # Fuse
owl:equivalentClass [
rdf:type owl:Class ;
owl:intersectionOf (
iof-core:Assembly
[
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
owl:someValuesFrom :COPI_0000588 # OvercurrentProtectionByFusingFunction
]
)
] ;
rdfs:label "fuse"@en ;
rdfs:label "fusível"@pt-br ;
iof-av:naturalLanguageDefinition "A fuse is an electrical equipment that protects circuits by interrupting current flow through the intentional melting of a fusible element when current exceeds specified values for a sufficient duration."@en ;
skos:definition "A fuse is an electrical equipment that protects circuits by interrupting current flow through the intentional melting of a fusible element when current exceeds specified values for a sufficient duration."@en ;
iof-av:naturalLanguageDefinition "Um fusível é um equipamento elétrico que protege circuitos interrompendo o fluxo de corrente através do derretimento intencional de um elemento fusível quando a corrente excede valores especificados por uma duração suficiente."@pt-br ;
rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000196 ; owl:someValuesFrom :COPI_0000383 ] ;
skos:definition "[ISO 15926-4] A <FUSE> is an <ARTEFACT> and a <PROTECTOR> and an <ELECTRICAL ELEMENT> that opens the circuit in which it is inserted by breaking the current when this exceeds a given value for a sufficient time"@en ;
skos:definition "[CFIHOS] A physical object that by the fusing of one or more of its specially designed and proportioned components, opens the circuit in which it is inserted by breaking the current when this exceeds a given value for a sufficient time."@en ;
skos:definition "[POSC Caesar] A physical object that by the fusing of one or more of its specially designed and proportioned components, opens the circuit in which it is inserted by breaking the current when this exceeds a given value for a sufficient time."@en .
# Disjointness: Fuse and Relay
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000282 :COPI_0000338 ) . # Fuse, Relay
Axiomatization Decision Log
1
Identity-Giving Function
Function class
OvercurrentProtectionByFusingFunction
⊑ DesignedFunction
Realized in
CurrentInterruptionByFusing
⊑ PlannedProcess
The identity-giving function is circuit protection through current interruption when overcurrent conditions are detected. This function distinguishes fuses from other electrical equipment and aligns with the already-enriched circuit-breaker which shares the same function.
2
Genus Determination
Assembly
bfo:Object (BFO_0000030)
Causally unified material artefact composed of physically connected,
separable MaterialComponent parts. Satisfies
Assembly ⊑ MaterialArtifact ⊑ bfo:Object.
While parent_candidates include ELECTRICAL ELEMENT and PROTECTOR from iso15926, the most appropriate genus is ElectricalEquipment which encompasses electrical devices designed for power systems. This aligns with the circuit-breaker which has genus ElectricalEquipment in the already-enriched classes. Assembly is the appropriate BFO root as fuses are manufactured artifacts with removable components (fuse element, holder, base).
3
Necessary Parts
No necessary parts recorded (concept may be primitive at this level).
These are the minimal universal components - the fusible element provides the protection mechanism, and the base provides electrical connection to the circuit.
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
—
Outputs (O)
—
Transformation (T)
conditional current interruption through element destruction
Fuses monitor electrical current flow and conditionally interrupt it through irreversible destruction of the fuse element when overcurrent conditions persist.
5
Axiom Mode Decision
Necessary + Sufficient
— modelled as a defined class
(≡, EquivalentClass). Automatic classification is
appropriate for this concept.
Disjointness Axioms
Relay
C?: Relay [kind_ambiguous]. Fuses provide direct current interruption through destructive element melting, while relays and contactors use mechanical switching without component destruction
Cross-Standard Observations
All three sources provide consistent definitions focusing on current interruption through element fusing when overcurrent conditions occur. The definitions align well across ISO 15926, CFIHOS, and POSC Caesar standards.
