Continuous rate is a special case of rate of flow (see Rate) where the increment of time between items approaches zero. It is intended to represent continuous flows that may correspond to water flowing through a pipe, a time continuous signal, or ...

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Figure D.36 - Behavior Model for “Accelerate” Function (Activity Diagram) {ELIDED PINS}
Figure D.36 - Behavior Model for “Accelerate” Function (Activity Diagram) {EXPLICIT PINS}
SysML-1.6: Each «continuous» Parameter (of each corresponding ActivityParameterNode) in Figure D.36 and Figure D.38 should be set to be streaming, because the Continuous Stereotype has a Generalization to Rate
MagicDraw/Cameo 19SP3: if Continuous or Discrete are applied to the Parameter of an ActivityParameterNode the keywords «continuous» or «discrete» can be optionally displayed on the ActivityParameterNode symbol
MagicDraw/Cameo 19SP3: If Continuous or Discrete are applied to the underlying Parameter of an InputPin or an OutputPin the keywords «continuous» or «discrete» can't be displayed
Figure 11-11: Continuous system example 2 {ELIDED PINS}
Figure 11-11: Continuous system example 2 {EXPLICIT PINS}
SysML Activity extension stereotypes - REFERENCE CARD
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OMG Systems Modeling Language (SysML) 1.6
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About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes
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UML keywords
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ActivityEdge
SysML keywords
Continuous
«continuous»
Rate
Keywords
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Continuous rate is a special case of rate of flow (see Rate) where the increment of time between items approaches zero. It is intended to represent continuous flows that may correspond to water flowing through a pipe, a time continuous signal, or continuous energy flow.
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Continuous ... It is independent from UML streaming, see clause 11.3.2.8. A streaming parameter may or may not apply to continuous flow, and a continuous flow may or may not apply to streaming parameters.
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SysML provides extensions that might be very loosely grouped under the term “continuous,” but are generally applicable to any sort of distributed flow of information and physical items through a system.
Restrictions on the rate at which entities flow along edges in an activity, or in and out of parameters of a behavior (see Rate in Figure 11-8). This includes both discrete and continuous flows, either of material, energy, or information.
Discrete and continuous flows are unified under rate of flow, as is traditionally done in mathematical models of continuous change, where the discrete increment of time approaches zero.
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Continuous ... It is independent from UML streaming, see clause 11.3.2.8. A streaming parameter may or may not apply to continuous flow, and a continuous flow may or may not apply to streaming parameters.
The Driving behavior outputs a brake pressure continuously to the Braking behavior while both are executing, as indicated by the «continuous» rate and streaming properties (streaming is a characteristic of UML behavior parameters that supports ...
Discrete rate is a special case of rate of flow ... where the increment of time between items is a non-zero. Examples include the production of assemblies in a factory and signals set at periodic time intervals.
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