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Tim Weilkiens

"Systems Engineering with SysML/UML: Modeling, Analysis, Design"


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FIGURE 2-85
A state machine for the on-board computer control.
On-board computer control
free
Usage transition
in
use
Card data
Engine off
Cancel
[oc1IsInState(Pickup)]
Pickup completed
Return completed
[oc1IsInState
(Return)]
Use comfort
function
Pickup
Return
Pickup
completed
Return
completed
Pickup
Return
[oc1IsInState(Return)] [oc1IsInState(Pickup)]
129 2.8 Marginal Notes
2.8.1 Variant Management
We have quickly opted for one specific solution to the requirements of our principal
in our example project. The blueprint came from the principal themselves,
which is absolutely the norm. The road we took makes itself notice in the model
early on, e.g., in the project context or the list of stakeholders. As for the requirements,
we have put in some effort to separate the purely domain-specific and
essential requirements from the technical requirements (Section 2.


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