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SubSystems.json
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SubSystems.json
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{
"@context": {
"@base": "http://ontology.projectchronos.eu/subsystems",
"spacecraft": "http://ontology.projectchronos.eu/spacecraft/",
"subsystem": "http://ontology.projectchronos.eu/subsystems/",
"skos": "http://www.w3.org/2004/02/skos/core#",
"rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
"rdfs": "http://www.w3.org/2000/01/rdf-schema#",
"owl": "http://www.w3.org/2002/07/owl#",
"dbpedia": "http://dbpedia.org/ontology/",
"xml": "http://www.w3.org/2001/XMLSchema#",
"defines": {
"@reverse": "rdfs:isDefinedBy"
}
},
"@id": "",
"@type": "http://www.w3.org/2002/07/owl#Ontology",
"rdfs:label": "Subsystems that run tasks that are needed for the spacecraft to be working and fulfilling the objectives of the mission. Words separated by _ has to be read as separated concepts, camelCase in they are the same concepts (see umbel.org for this norm)",
"rdfs:comment": "These ontology contains classes of different subsystems present in a spacecraft.",
"defines": [
{
"@id" : "http://ontology.projectchronos.eu/subsystems/manufacturer",
"@type" : [
"http://www.w3.org/2002/07/owl#ObjectProperty"
],
"rdfs:label": "manufacturer"
},
{
"@id" : "http://ontology.projectchronos.eu/subsystems/function",
"@type" : [
"http://www.w3.org/2002/07/owl#AsymmetricProperty",
"http://www.w3.org/2002/07/owl#IrreflexiveProperty",
"http://www.w3.org/2002/07/owl#ObjectProperty"
],
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdfs:comment" : "The function and the objective what the device performs or make possible",
"rdf:label" : "what the device is used for",
"rdfs:label" : "function",
"skos:altLabel" : "is used for"
},
{
"@id" : "http://ontology.projectchronos.eu/subsystems/unitOfMeasure",
"@type" : [
"http://www.w3.org/2002/07/owl#AsymmetricProperty",
"http://www.w3.org/2002/07/owl#IrreflexiveProperty",
"http://www.w3.org/2002/07/owl#ObjectProperty"
],
"owl:sameAs": [
{ "@id": "http://umbel.org/umbel/rc/UnitOfMeasure"},
{ "@id": "http://dbpedia.org/resource/Units_of_measurement" }
],
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdf:range" : { "@id": "http://www.w3.org/1999/02/22-rdf-syntax-ns#PlainLiteral" },
"rdfs:comment" : "Property to set the unit of measure used by a physical value",
"rdfs:label" : "unitOfMeasure"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/subSystemType",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"skos:prefLabel": "A property that references the subsystem to the kind of the devices it holds.",
"rdfs:comment": "Every subsystem contains an homogeneous group of devices.",
"rdfs:label": "subSystemType",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/isStandard",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"skos:prefLabel": "A property that references the standard platform for which the subsystem has been designed.",
"rdfs:comment": "There are many different standards that imply quantitative and qualitative differences",
"rdfs:label": "isStandard",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/hasVolume",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdf:range" : { "@id": "http://www.w3.org/2001/XMLSchema#float" },
"skos:exactMatch": [
{ "@id": "http://umbel.org/umbel/rc/Volume" },
{ "@id": "http://dbpedia.org/resource/Volume" }
],
"rdfs:label": "hasVolume",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/hasMinAmpere",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdf:range" : { "@id": "http://www.w3.org/2001/XMLSchema#float" },
"skos:exactMatch": [
{ "@id": "http://umbel.org/umbel/rc/Ampere" },
{ "@id": "http://dbpedia.org/resource/Ampere" }
],
"rdfs:label": "hasMinAmpere",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/hasMaxAmpere",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdf:range" : { "@id": "http://www.w3.org/2001/XMLSchema#float" },
"skos:exactMatch": [
{ "@id": "http://umbel.org/umbel/rc/Ampere" },
{ "@id": "http://dbpedia.org/resource/Ampere" }
],
"rdfs:label": "hasMaxAmpere",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/hasMass",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdf:range" : { "@id": "http://www.w3.org/2001/XMLSchema#float" },
"skos:exactMatch": [
{ "@id": "http://umbel.org/umbel/rc/Mass" },
{ "@id": "http://dbpedia.org/resource/Mass" },
{ "@id": "http://schema.org/Mass" }
],
"rdfs:label": "hasMass",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/hasPower",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdf:range" : { "@id": "http://www.w3.org/2001/XMLSchema#float" },
"skos:exactMatch": [
{ "@id": "http://umbel.org/umbel/rc/Power" },
{ "@id": "http://dbpedia.org/resource/Power_(physics)"}
],
"rdfs:label": "hasPower",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/hasSpecificImpulse",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdf:range" : { "@id": "http://www.w3.org/2001/XMLSchema#float" },
"skos:exactMatch": { "@id": "http://dbpedia.org/resource/Specific_impulse" },
"rdfs:label": "hasSpecificImpulse",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/hasMonetaryValue",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdf:range" : { "@id": "http://www.w3.org/2001/XMLSchema#float" },
"skos:exactMatch": [
{ "@id": "http://dbpedia.org/resource/Price" },
{ "@id": "http://umbel.org/umbel/rc/MonetaryValue" },
{ "@id": "http://schema.org/PriceSpecification" }
],
"rdfs:label": "hasMonetaryValue",
"rdfs:comment": "Amount of money it can be bought for, or an esteem of value.",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/hasWireInWith",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdf:range" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdfs:label": "hasWireInWith",
"rdfs:comment": "This device receive input from another device",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/hasWireOutWith",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdf:range" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
"rdfs:label": "hasWireOutWith",
"rdfs:comment": "This device send output to another device",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/typeOfPropellant",
"rdf:domain" : { "@id": "http://ontology.projectchronos.eu/spacecraft/Spacecraft_Propulsion" },
"rdfs:label": "typeOfPropellant",
"rdfs:comment": "Type of fueling used by a spacecraft rocket engine",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/streams",
"rdfs:label": "streams",
"rdfs:comment": "What kind of flow exists between subsystems (power flow or data flow)",
"@type" : "http://www.w3.org/2002/07/owl#ObjectProperty"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Detector",
"@type" : "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf" : [
{ "@id": "http://umbel.org/umbel/rc/Sensor_Device" },
{ "@id": "http://ontology.projectchronos.eu/spacecraft/SubSystems_Spacecraft" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsytems/objective",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsytems/isComponentOf",
"owl:hasValue" : "http://ontology.projectchronos.eu/spacecraft/Payload_Spacecraft"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireOutWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Communication",
"subsystem:streams": "data" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_CDH",
"subsystem:streams": "data" }
]
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireInWith",
"owl:hasValue" : "http://ontology.projectchronos.eu/subsystems/Spacecraft_PrimaryPower",
"subsystem:streams": "power"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasMinAmpere",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasMaxAmpere",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasVoltage",
"owl:minCardinality" : 1
}
],
"rdfs:label": "Spacecraft_Detector",
"rdfs:comment": "A space detector is a sensor supported by another device that let it collect data, that is deployed into a spacecraft and works outside Earth lower atmosphere",
"skos:prefLabel": "Any scientific instrument carried by a space probe or an artificial satellite",
"spacecraft:isComponentOf": "http://ontology.projectchronos.eu/spacecraft/Payload_Spacecraft"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Propulsion",
"@type" : "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf" : [
{ "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsytems/function",
"owl:hasValue" : "http://umbel.org/umbel/rc/ProjectilePropelling"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/spacecraft/isSubsystemOf",
"owl:hasValue" : "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/typeOfPropellant",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasSpecificImpulse",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/subSystemType",
"owl:hasValue" : "http://umbel.org/umbel/rc/RocketEngine"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireInWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_PrimaryPower",
"subsystem:streams": "power" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_CDH",
"subsystem:streams": "data" }
]
}
],
"skos:prefLabel": "The set of subsystems needed to make a spacecraft moving in space",
"rdfs:label": "Spacecraft_Propulsion.",
"rdfs:comment": "Complex devices-subsystems used for impelling (processes of applying a force which results in translational motion) a spacecraft, in the specific http://umbel.org/umbel/rc/ProjectilePropelling",
"spacecraft:isComponentOf": "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_PrimaryPower",
"@type" : "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf" : [
{ "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsytems/function",
"owl:hasValue" : "http://umbel.org/umbel/rc/ElectricalPowerGeneration"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/spacecraft/isSubsystemOf",
"owl:hasValue" : "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasEfficiency",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasVoltage",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/subSystemType",
"owl:hasValue" : "http://umbel.org/umbel/rc/ElectricalDevice"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireOutWith",
"owl:hasValue" : [
{ "@id":"http://ontology.projectchronos.eu/subsystems/Spacecraft_Communication",
"subsystem:streams": "power" },
{ "@id":"http://ontology.projectchronos.eu/subsystems/Spacecraft_CDH",
"subsystem:streams": "power" },
{ "@id":"http://ontology.projectchronos.eu/subsystems/Spacecraft_AODCS",
"subsystem:streams": "power" },
{ "@id":"http://ontology.projectchronos.eu/subsystems/Spacecraft_Propulsion",
"subsystem:streams": "power" },
{ "@id":"http://ontology.projectchronos.eu/subsystems/Spacecraft_Thermal",
"subsystem:streams": "power" }
]
}
],
"skos:prefLabel": "The set of subsystems needed to make a spacecraft to collect energy to operate",
"rdfs:label": "Spacecraft_PrimaryPower.",
"rdfs:comment": "Complex devices-subsystems used for collecting energy.",
"subsystems:objectives": [
{
"skos:prefLabel": "Primary energy source"
},
{
"skos:prefLabel": "Power control and distribution"
},
{
"skos:prefLabel": "Loads (bus and payload)"
}
],
"spacecraft:isComponentOf": "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_BackupPower",
"@type" : "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf" : [
{ "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsytems/function",
"owl:hasValue" : "http://dbpedia.org/resource/rc/Energy_storage"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/spacecraft/isSubsystemOf",
"owl:hasValue" : "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/subSystemType",
"owl:hasValue" : "http://umbel.org/umbel/rc/ElectricalDevice"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireInWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_PrimaryPower",
"subsystem:streams": "power" }
]
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireOutWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_CDH",
"subsystem:streams": "power" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Propulsion",
"subsystem:streams": "power" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Thermal",
"subsystem:streams": "power" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Communication",
"subsystem:streams": "power" }
]
}
],
"rdfs:label": "Spacecraft_BackupPower",
"skos:prefLabel": "The set of subsystems needed to make a spacecraft to store energy from the primary power source.",
"rdfs:comment": "Complex devices-subsystems used for storing energy.",
"subsystems:objectives": ["Secondary energy source", "Power control and distribution", "Loads (bus and payload)"],
"spacecraft:isComponentOf": "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Thermal",
"@type" : "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf" : [
{ "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsytems/function",
"owl:hasValue" : "http://dbpedia.org/resource/Process_control"
}
],
"rdfs:label": "Spacecraft_Thermal",
"skos:prefLabel": "Artifacts or devices used to maintain the temperature of spacecraft's subsystems and payloads into a given range, to permit nominal and survival mode for all the duration of the mission .",
"rdfs:comment": "Shields, shells or any device insulation from/reflecting radiation exploiting emission and absorption events",
"subsystems:objectives": [
{
"skos:prefLabel": "Thermal environment"
},
{
"skos:prefLabel": "Solar radiation"
},
{
"skos:prefLabel": "Planetary radiation"
},
{
"skos:prefLabel": "Spacecraft heat emission"
},
{
"skos:prefLabel": "Thermal balance"
},
{
"skos:prefLabel": "Thermal analysis"
},
{
"skos:prefLabel": "Conductive heat exchange"
},
{
"skos:prefLabel": "Radiative heat exchange"
}
],
"subsystems:requirements": [
{
"skos:prefLabel": "Thermal design"
},
{
"skos:prefLabel": "Requirements and constraints"
},
{
"skos:prefLabel": "Worst-case conditions"
}
]
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Thermal_PassiveDevice",
"@type" : "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Thermal" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/subSystemType",
"owl:hasValue" : "http://umbel.org/umbel/rc/PhysicalDevice"
}
],
"rdfs:label": "Spacecraft_Thermal_PassiveDevice",
"skos:prefLabel": "Device of class Thermal that DOES NOT consume energy from the spacecraft power source.",
"rdfs:comment": "They are passive because they mostly transform radiation into heating/cooling ",
"spacecraft:isComponentOf": "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Thermal_ActiveDevice",
"@type" : "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf" : [
{ "@id": "http://ontology.projectchronos.eu/spacecraft/Spacecraft_Thermal" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/subSystemType",
"owl:hasValue" : "http://umbel.org/umbel/rc/PoweredDevice"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireInWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_PrimaryPower",
"subsystem:streams": "power" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_BackupPower",
"subsystem:streams": "power" }
]
}
],
"rdfs:label": "Spacecraft_Thermal_ActiveDevice",
"skos:prefLabel": "Device of class Thermal that DOES consume energy from the spacecraft power source.",
"rdfs:comment": "Complex devices-subsystems used to protect sensors or electronic devices from over/under-heating, like refrigeration absorption."
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Structure",
"@type" : "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf" : [
{ "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsytems/function",
"owl:hasValue" : "http://dbpedia.org/resource/Structural_system"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/spacecraft/isSubsystemOf",
"owl:hasValue" : "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/standsMinTemperature",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/standsMaxTemperature",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/subSystemType",
"owl:hasValue" : "http://umbel.org/umbel/rc/PhysicalDevice"
}
],
"rdfs:label": "Spacecraft_Structure",
"skos:prefLabel": "Artifacts or rigid devices used to create a supporting structure for all the others devices.",
"rdfs:comment": "It's the skeleton and framework of the spacecraft.",
"subsystems:objectives": [
{
"skos:prefLabel": "Interface to launch vehicle"
},
{
"skos:prefLabel": "Mounting location for equipment"
},
{
"skos:prefLabel": "Environmental protection"
},
{
"skos:prefLabel": "Thermal and electrical paths"
},
{
"skos:prefLabel": "Propellant containers"}
],
"subsystems:requirements": [
{
"skos:prefLabel": "Loads"
},
{
"skos:prefLabel": "Stiffness"
},
{
"skos:prefLabel": "Alignment"
},
{
"skos:prefLabel": "Thermal"
},
{
"skos:prefLabel": "Electric and electromagnetic"
},
{
"skos:prefLabel": "Mass"
},
{
"skos:prefLabel": "Accessibility"
}
],
"spacecraft:isComponentOf": "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_CDH",
"@type" : "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf" : [
{ "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsytems/function",
"owl:hasValue" : [
{ "@id": "http://umbel.org/umbel/rc/InformationTransferEvent" },
{ "@id": "http://dbpedia.org/resource/Electronic_data_processing" },
{ "@id": "http://dbpedia.org/resource/Process_control" }
]
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/spacecraft/isSubsystemOf",
"owl:hasValue" : "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasVoltage",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasMaxClock",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasMinClock",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasDataStorage",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasDataStorageExternal",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasRAM",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasMinTemperature",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasMaxTemperature",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/subSystemType",
"owl:hasValue" : "http://umbel.org/umbel/rc/Computer_hardware"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireOutWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Communication",
"subsystem:streams": "data" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_AODCS",
"subsystem:streams": "data" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Propulsion",
"subsystem:streams": "data" }
]
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireInWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_PrimaryPower",
"subsystem:streams": "power" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_BackupPower",
"subsystem:streams": "power" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Communication",
"subsystem:streams": "data" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_AODCS",
"subsystem:streams": "data" }
]
}
],
"rdfs:label": "Spacecraft_CDH",
"skos:prefLabel": "Command and Data Handling, it is the device that connects the other devices, it processes and deliver information.",
"rdfs:comment": "The DH system shall: Enable HK and science data flow – Housekeeping data (Temperatures, Pressures, Voltages, Currents, Status,...) – Attitude data – Payload data (e.g., Science data) - Receive and distribute commands - Perform TM and TC protocols - Distribute timing signals - Synchronization of data – Time stamping of data - Provide data storage - Execute commands and schedules - Control subsystems and payloads - Monitor spacecraft health - Make autonomous decisions - Perform data compression.",
"spacecraft:isComponentOf": "http://ontology.projectchronos.eu/spacecraft/Spacecraft",
"subsytems:objectives": [
{
"skos:prefLabel": "Enable Housekeeping and science data flow",
"skos:altLabel":["Temperatures", "Pressures", "Voltages", "Currents", "Status"]
},
{
"skos:prefLabel": "Attitude data"
},
{
"skos:prefLabel": "Science data"
},
{
"skos:prefLabel": "Receive and distribute commands"
},
{
"skos:prefLabel": "Perform TM and TC protocols"
},
{
"skos:prefLabel": "Distribute timing signals",
"skos:altLabel": ["Synchronization of data", "Time stamping of data"]
},
{
"skos:prefLabel": "Provide data storage"
},
{
"skos:prefLabel": "Execute commands and schedules"
},
{
"skos:prefLabel": "Control subsystems and payloads"
},
{
"skos:prefLabel": "Monitor spacecraft health"
},
{
"skos:prefLabel": "Make autonomous decisions"
},
{
"skos:prefLabel": "Perform data compression"
}
]
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_Communication",
"@type" : "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf" : [
{ "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsytems/function",
"owl:hasValue" : [
{ "@id": "http://dbpedia.org/resource/Transmitting" },
{ "@id": "http://umbel.org/umbel/rc/Receiving" }
]
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/spacecraft/isSubsystemOf",
"owl:hasValue" : "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasMinTemperature",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasMaxTemperature",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/subSystemType",
"owl:hasValue" : "http://umbel.org/umbel/rc/ElectronicDevice"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireOutWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_CDH",
"subsystem:streams": "data" }
]
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireInWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_PrimaryPower",
"subsystem:streams": "power" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_BackupPower",
"subsystem:streams": "power" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_CDH",
"subsystem:streams": "data" }
]
}
],
"rdfs:label": "Spacecraft_Communication",
"skos:prefLabel": "It handles communication from/to ground base or other spacecraft.",
"rdfs:comment": "Complex devices-subsystems used for transmitting/receiving radio waves.",
"spacecraft:isComponentOf": "http://ontology.projectchronos.eu/spacecraft/Spacecraft"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_AODCS",
"@type" :"http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf" : [
{ "@id": "http://ontology.projectchronos.eu/spacecraft/Subsystem_Spacecraft" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsytems/function",
"owl:hasValue" : [
{ "@id": "http://dbpedia.org/resource/Flight_dynamics_(spacecraft)" },
{ "@id": "http://dbpedia.org/resource/Attitude_control" },
{ "@id": "http://dbpedia.org/resource/Process_control" }
]
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/standsMinTemperature",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/standsMaxTemperature",
"owl:minCardinality" : 1
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/subSystemType",
"owl:hasValue" : "http://umbel.org/umbel/rc/ElectronicDevice"
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireOutWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_CDH",
"subsystem:streams": "data" }
]
},
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireInWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_CDH",
"subsystem:streams": "data" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_PrimaryPower",
"subsystem:streams": "power" }
]
}
],
"rdfs:label": "Spacecraft_AODCS",
"skos:prefLabel": "Attitude and Orbit Determination Control",
"rdfs:comment": "Complex devices-subsystems used to set the direction and the position of the spacecraft, it controls flight dynamics.",
"spacecraft:isComponentOf": "http://ontology.projectchronos.eu/spacecraft/Spacecraft",
"subsystems:attitude": [
{
"skos:prefLabel": "Spacecraft attitude"
},
{
"skos:prefLabel": "Three-axis stabilized"
},
{
"skos:prefLabel":"Spinning"
},
{
"skos:prefLabel":"Sun-pointing"
},
{
"skos:prefLabel": "Cartwheel"
},
{
"skos:prefLabel": "Hybrid (dual-spin, partially de-spun)"
}
],
"subsystems:disturbances": [
{
"skos:prefLabel": "External",
"skos:altLabel": ["Aerodynamic torques (below 500 km)", "Magnetic torques (500-35000 km)",
"Gravity gradient torques (500-35000 km)", "Solar radiation torques (above 700 km)"]
},
{
"skos:prefLabel": "Internal",
"skos:altLabel": ["Mechanisms", "Fuel movement", "Astronaut movement", "Flexible appendages",
"General mass movement"]
}
],
"subsytems:torquers": [
{
"skos:prefLabel": "External",
"skos:altLabel": [
"Gas jet thrusters",
"Magnetic torquers",
"Gravity-gradient torque"
]
},
{
"skos:prefLabel": "Internal",
"skos:altLabel": [
"Momentum storage torquers",
"Reaction wheels (zero or low rpm)",
"Momentum wheels (5000-10000 rpm)"
]
}
],
"subsystems:measurements": [
{
"skos:prefLabel": "Reference sensors (absolute measurement)",
"skos:altLabel": ["Sun sensors", "Earth sensors", "Star sensors",
"Radio frequency beacons", "Magnetometers", "GPS"]
},
{
"skos:prefLabel": "Inertial sensors (changes only)",
"skos:altLabel": ["Gyroscopes mechanical", "Gyroscopes optical" ]
}
]
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_AODCS_ActiveDevice",
"@type": "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf": [
{ "@id": "http://ontology.projectchronos.eu/spacecraft/Spacecraft_AODCS" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireInWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_PrimaryPower",
"subsystem:streams": "power" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_BackupPower",
"subsystem:streams": "power" },
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_CDH",
"subsystem:streams": "data" }
]
}
],
"rdfs:label": "Spacecraft_AODCS_ActiveDevice",
"skos:prefLabel": "AODCS device that DOES use power from the spacecraft power to work.",
"rdfs:comment": "Do NOT use any additional power from the spacecraft generator"
},
{
"@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_AODCS_PassiveDevice",
"@type": "http://www.w3.org/2002/07/owl#Class",
"rdfs:subClassOf": [
{ "@id": "http://ontology.projectchronos.eu/spacecraft/Spacecraft_AODCS" },
{
"@type" : "http://www.w3.org/2002/07/owl#Restriction",
"owl:onProperty" : "http://ontology.projectchronos.eu/subsystems/hasWireInWith",
"owl:hasValue" : [
{ "@id": "http://ontology.projectchronos.eu/subsystems/Spacecraft_CDH",
"subsystem:streams": "data" }
]
}
],
"rdfs:label": "Spacecraft_AODCS_PassiveDevice",
"skos:prefLabel": "AODCS that DOES NOT use power from the spacecraft power to work.",
"rdfs:comment": "DO use any additional power from the spacecraft generator"
}
]
}