exported
equivalent
axial displacement transmitter
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Axialdisplacementtransmitter
Generated on 2026-04-16
Natural Language Definition
EN
An axial displacement transmitter is a transmitter that measures axial displacement and generates a standardized output signal representing the measured axial displacement.
PT-BR
Um transmissor de deslocamento axial é um transmissor que mede deslocamento axial e gera um sinal de saída padronizado representando o deslocamento axial medido.
Formal Axioms
Semi-formal (Aristotelian)
Every axial displacement transmitter is a transmitter that has the function to measure axial displacement and has as component part an axial displacement measuring probe.
First-Order Logic Theory
Loading…
▸ Stored override
∀x(AxialDisplacementTransmitter(x) ↔ (Transmitter(x) ∧ ∃f(AxialDisplacementTransmissionFunction(f) ∧ bearerOf(x,f)) ∧ ∃p(AxialDisplacementMeasuringProbe(p) ∧ hasComponentPartAtAllTimes(x,p))))
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: AxialDisplacementTransmitter
<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_0000413 rdf:type owl:Class ; # AxialDisplacementTransmissionFunction
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :COPI_0000414 # AxialDisplacementTransmissionProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :COPI_0000414 # AxialDisplacementTransmissionProcess
] ;
rdfs:label "axial displacement transmission function"@en ;
rdfs:label "função de transmissão de deslocamento axial"@pt-br .
### Process type
:COPI_0000414 rdf:type owl:Class ; # AxialDisplacementTransmissionProcess
rdfs:subClassOf iof-core:MeasurementProcess ;
rdfs:label "axial displacement transmission process"@en ;
rdfs:label "processo de transmissão de deslocamento axial"@pt-br .
iof-core:MeasurementProcess rdf:type owl:Class .
:COPI_0000414 # AxialDisplacementTransmissionProcess
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasSpecifiedOutput ;
owl:someValuesFrom iof-core:InformationContentEntity
] .
### Equipment universal: AxialDisplacementTransmitter
:COPI_0000213 rdf:type owl:Class ; # AxialDisplacementTransmitter
owl:equivalentClass [
rdf:type owl:Class ;
owl:intersectionOf (
:COPI_0000157 # Transmitter
[
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
owl:someValuesFrom :COPI_0000413 # AxialDisplacementTransmissionFunction
]
[
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasComponentPartAtAllTimes ;
owl:someValuesFrom :COPI_0000412 # AxialDisplacementMeasuringProbe
]
)
] ;
rdfs:label "axial displacement transmitter"@en ;
rdfs:label "transmissor de deslocamento axial"@pt-br ;
iof-av:naturalLanguageDefinition "An axial displacement transmitter is a transmitter that measures axial displacement and generates a standardized output signal representing the measured axial displacement."@en ;
skos:definition "An axial displacement transmitter is a transmitter that measures axial displacement and generates a standardized output signal representing the measured axial displacement."@en ;
iof-av:naturalLanguageDefinition "Um transmissor de deslocamento axial é um transmissor que mede deslocamento axial e gera um sinal de saída padronizado representando o deslocamento axial medido."@pt-br ;
skos:definition "[ISO 15926-4] An <AXIAL DISPLACEMENT TRANSMITTER> is a <DISPLACEMENT TRANSMITTER> for <AXIAL DISPLACEMENT> measurement, using an <AXIAL DISPLACEMENT MEASURING PROBE>"@en ;
skos:definition "[CFIHOS] A transmitter measuring an axial displacement and generating a standardized output signal representing the axial measured displacement."@en .
:COPI_0000412 rdf:type owl:Class ; # AxialDisplacementMeasuringProbe
rdfs:subClassOf iof-core:MaterialArtifact ;
rdfs:label "sonda axial de deslocamento de medição"@pt-br ;
rdfs:label "axial displacement measuring probe"@en .
# Disjointness: AxialDisplacementTransmitter and PressureTransmitter
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000213 :COPI_0000144 ) . # AxialDisplacementTransmitter, PressureTransmitter
# Disjointness: AxialDisplacementTransmitter and TemperatureTransmitter
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000213 :COPI_0000155 ) . # AxialDisplacementTransmitter, TemperatureTransmitter
# Disjointness: AxialDisplacementTransmitter and FlowTransmitter
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000213 :COPI_0000118 ) . # AxialDisplacementTransmitter, FlowTransmitter
# Disjointness: AxialDisplacementTransmitter and LevelTransmitter
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000213 :COPI_0000131 ) . # AxialDisplacementTransmitter, LevelTransmitter
Axiomatization Decision Log
1
Identity-Giving Function
Function class
AxialDisplacementTransmissionFunction
⊑ DesignedFunction
Realized in
AxialDisplacementTransmissionProcess
⊑ MeasurementProcess
The identity-giving function is the measurement of axial displacement and generation of a standardized output signal representing that displacement. This combines displacement sensing with signal transmission, distinguishing it from simple displacement sensors or general transmitters.
2
Genus Determination
Transmitter
Both source hierarchies identify transmitter as the appropriate genus. The concept is specifically a subtype of transmitter that specializes in axial displacement measurement. The transmitter class is already enriched in our ontology with function SignalTransmissionFunction and genus Instrument.
3
Necessary Parts
| Part class | Parent | Relation |
|---|---|---|
| AxialDisplacementMeasuringProbe | MaterialArtifact | hasComponentPartAtAllTimes |
These parts represent the essential components needed for the two-stage process: displacement measurement via the probe, and signal standardization/transmission via the processing and transmission modules.
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
—
Outputs (O)
InformationContentEntity
— proportional to axial displacement magnitude
Transformation (T)
mechanical displacement transduction to electrical signal
The transmitter takes axial mechanical displacement as input and produces a standardized electrical output signal proportional to the displacement magnitude. This is a transduction transformation from mechanical to electrical domain.
5
Axiom Mode Decision
Necessary + Sufficient
— modelled as a defined class
(≡, EquivalentClass). Automatic classification is
appropriate for this concept.
Disjointness Axioms
pressure transmitter
temperature transmitter
flow transmitter
level transmitter
C2: pressure transmitter, temperature transmitter, flow transmitter, level transmitter. These transmitter types have incompatible measurement signatures - they measure different physical quantities (pressure, temperature, flow, level) versus axial displacement, making simultaneous instantiation impossible.
Cross-Standard Observations
Both ISO 15926 and CFIHOS definitions are consistent and complementary. ISO 15926 emphasizes the structural component (axial displacement measuring probe) while CFIHOS emphasizes the functional output (standardized signal). Both sources agree on the axial displacement measurement capability as the defining characteristic.
Source Definitions
2 sources
ISO 15926-4
AXIAL DISPLACEMENT TRANSMITTER ↗
Definition text withheld (copyrighted standard) — follow the source link above.
CFIHOS
axial displacement transmitter
Definition text withheld (copyrighted standard) — follow the source link above.
Metadata
| Ontology | COPI |
| Research group | INF-UFRGS-Ontologies |
| Funding | CNPq INF-UFRGS-ENERGIA |
| Project | OntoKG / Petrobras |
| ID | #221 |
| Cluster | axial displacement transmitter |
| Status | exported |
| Axiom mode | equivalent |
| Created | 2026-04-16 |
| Updated | 2026-09-08 |
ISA 5.1-2022 P&ID Symbol
5_2_1/001_transmitter_with_integral_primary_element_bubble_format.png
