MATLAB SIMEVENTS RELEASE NOTES Betriebsanweisung PDF herunterladen (Seite 77)

Specify Intergeneration Times for Entities

3-11

• Step time = 2.8

• Initial value = 1

• Final value = 2

As a result, the block generates a signal whose value is 1 from T=0 to T=2.8, and whose

value is 2 thereafter.

When you run the simulation, the plot shows that the entities departing from the server

are initially spaced 1 second apart and later spaced 2 seconds apart.

The Time-Based Entity Generator block reads intergeneration times from the step signal

each time it generates an entity. The table below shows when the Time-Based Entity

Generator block generates entities and which intergeneration time values it reads in

each instance. The table also shows when each entity departs from the server, which you

can see from the plot. Although the Step block starts producing the value of 2 at T=2.8,

the Time-Based Entity Generator block does not read the new value until the next time it

generates an entity, at T=3.

Entity Generation Time Intergeneration Time Until

Next Entity Generation

Departure Time of Entity from

Server

0 1 1

1 1 2

2 1 3

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 113 114

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MATLAB SIMEVENTS RELEASE NOTES Betriebsanweisung Seite 77