PETRI NETS Flashcards

(15 cards)

1
Q

Zeichne Causality

A
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2
Q

Zeichne Parallelism

A
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3
Q

Zeichne Parallelism AND-split

A
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4
Q

Zeichne Choice: XOR-split

A
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5
Q

Zeichne Parallelism AND-join

A
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6
Q

Zeichne Choice: XOR-join

A
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7
Q

Zeichne Iteration: One or More Times

A

Gelb markierter Prozess der wiederholt wird oder beendet wird

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8
Q

Zeichne Zero or More Times

A
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9
Q

Zeichne Mutual Exclusion

A
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10
Q

Zeichne Alternating

A
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11
Q

Können Transitionen gleichzeitig feuern?

A

Ja, wenn sie nicht um dieselben Token konkurrieren

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12
Q

Wann gilt eine Transition als enabled?

A

Wenn alle Input Places mindestens ein Token enthalten

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13
Q

Was passiert wenn eine Transition feuert?

A

Verbraucht Token von einem Place und produziert eins für das andere

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14
Q

Welche States gibt es?

4 Stück

A

Initial State: Initial distribution of tokens
Reachable state: Reachable from initial state
Final state (dead state): No transition is enabled
Home state: It is always possible to
return to it

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15
Q

Kann sich die Gesamtanzahl der Token ändern?

A

Ja.

Beispiel: Eine Transition nimmt 2 Tokens aus einer Stelle und erzeugt 1 Token in einer anderen → Gesamtzahl sinkt um 1.

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