model M1
  Modelica.Blocks.Sources.Trapezoid trapezoid(
    amplitude=47.1,
    rising=10,
    width=5,
    falling=3,
    period=18,
    nperiod=1)
    annotation(Placement(transformation(extent={{-80,60},{-60,80}})));
  Modelica.Blocks.Sources.CombiTimeTable combiTimeTable(
    table=[0,0;10,47.1;15,47.1;18,0],
    extrapolation=Modelica.Blocks.Types.Extrapolation.HoldLastPoint)
    annotation(Placement(transformation(extent={{-80,20},{-60,40}})));
  annotation(experiment(StopTime=20), uses(Modelica(version="3.2.2")));
end M1;