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Replace state events by time events #4066

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Merged
MartinOtter merged 3 commits into from
Dec 16, 2022
Merged

Replace state events by time events #4066

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c80a86a
Replaced state events by time events
AHaumer Dec 14, 2022
c02e180
enhanced documentation
AHaumer Dec 14, 2022
58b3a86
Reverts dummy changes.
dietmarw Dec 15, 2022
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15 changes: 12 additions & 3 deletions Modelica/Blocks/Sources.mo
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Original file line number Diff line number Diff line change
Expand Up @@ -768,7 +768,10 @@ by a falling exponential signal:
count := integer((time - startTime)/period);
T_start := startTime + count*period;
equation
when integer((time - startTime)/period) > pre(count) then
//The following formulation causes a state event
//when integer((time - startTime)/period) > pre(count) then
//A formulation causing a time event is more efficient:
when time >= (pre(count) + 1)*period + startTime then
count = pre(count) + 1;
T_start = time;
end when;
Expand Down Expand Up @@ -823,7 +826,10 @@ The Real output y is a pulse signal:
count := integer((time - startTime)/period);
T_start := startTime + count*period;
equation
when integer((time - startTime)/period) > pre(count) then
//The following formulation causes a state event
//when integer((time - startTime)/period) > pre(count) then
//A formulation causing a time event is more efficient:
when time >= (pre(count) + 1)*period + startTime then
count = pre(count) + 1;
T_start = time;
end when;
Expand Down Expand Up @@ -888,7 +894,10 @@ The Real output y is a saw tooth signal:
count := integer((time - startTime)/period);
T_start := startTime + count*period;
equation
when integer((time - startTime)/period) > pre(count) then
//The following formulation causes a state event
//when integer((time - startTime)/period) > pre(count) then
//A formulation causing a time event is more efficient:
when time >= (pre(count) + 1)*period + startTime then
count = pre(count) + 1;
T_start = time;
end when;
Expand Down