Webel Twin Pattern: A DigitalTwin manages a control loop including a PhysicalEntity and a DigitalEntity (a.k.a. @Entity) that «replicates» it. It typically includes at least one Sensor and at least one Actuator.

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Note kind
POLICY
Policy level
STRICT
Specification keywords
SysML-1.6
SysML-1.7
SysMLv2
Keywords
Note that sensor and actuator as defined here are quite general:
Webel Twin Pattern: The sensor/actuator twinning control loop can involve automated devices (SensorDevice and/or ActuatorDevice) and or humans (SensorHuman and/or ActuatorHuman).
Relates to
03: Focus BDD for the DigitalTwin block
05: Twin instances
06: Focus BDD for EntityRepresentation
07: BDD of twin control loop Blocks
08: IBD of basic twin control loop
09: IBD of DigitalTwin
12: Overview of 'pipe' package
13: PipeDigitalTwin instances
14: IBD for PipeDigitalTwin flow control
16: Overview of 'building' package
17: Staging BDD for working environment temperature vs building energy consumption control loop
18: IBD for working environment temperature vs building energy consumption control loop
Related notes
[POLICY]{STRICT} Webel Twin Pattern: A «digital» DigitalEntity (a.k.a. @Entity) encapsulates strictly geometrical, spatial, and material aspects of a «physical» PhysicalEntity only. BY DEFINITION of this pattern it DOES NOT encapsulate processes!
[POLICY]{STRICT} Webel Twin Pattern: It is a DigitalEntity (a.k.a. @Entity) - not the DigitalTwin that owns it - that directly «replicates» geometrical, spatial, and material aspects (only) of a single PhysicalEntity.
[POLICY]{STRICT} Webel Twin Pattern: The sensor/actuator twinning control loop can involve automated devices (SensorDevice and/or ActuatorDevice) and or humans (SensorHuman and/or ActuatorHuman).
[CONVENTION]{SUBJECT-TO-CHANGE} Webel: Convention: [MIGHT CHANGE]: An '@' prefix in a DigitalTwin model indicates a «digital» Block that maps a non-digital «mappable» Block.
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