block Sine "Generate sine signal"
import Modelica.Constants.pi;
parameter Real amplitude = 1 "Amplitude of sine wave"
annotation (Dialog(groupImage = "modelica://Modelica/Resources/Images/Blocks/Sources/Sine.png"));
parameter SI.Frequency f(start = 1) "Frequency of sine wave";
parameter SI.Angle phase = 0 "Phase of sine wave";
extends Interfaces.SignalSource;
equation
y = offset + (if time < startTime then 0 else amplitude * Modelica.Math.sin(2 * pi * f * (time - startTime) + phase));
annotation (
Icon(
coordinateSystem(
preserveAspectRatio = true,
extent = {
{-100, -100},
{100, 100}}),
graphics = {
Line(
points = {
{-80, 68},
{-80, -80}},
color = {192, 192, 192}),
Polygon(
points = {
{-80, 90},
{-88, 68},
{-72, 68},
{-80, 90}},
lineColor = {192, 192, 192},
fillColor = {192, 192, 192},
fillPattern = FillPattern.Solid),
Line(
points = {
{-90, 0},
{68, 0}},
color = {192, 192, 192}),
Polygon(
points = {
{90, 0},
{68, 8},
{68, -8},
{90, 0}},
lineColor = {192, 192, 192},
fillColor = {192, 192, 192},
fillPattern = FillPattern.Solid),
Line(
points = {
{-80, 0},
{-68.7, 34.2},
{-61.5, 53.1},
{-55.1, 66.4},
{-49.4, 74.6},
{-43.8, 79.1},
{-38.2, 79.8},
{-32.6, 76.6},
{-26.9, 69.7},
{-21.3, 59.4},
{-14.9, 44.1},
{-6.83, 21.2},
{10.1, -30.8},
{17.3, -50.2},
{23.7, -64.2},
{29.3, -73.1},
{35, -78.4},
{40.6, -80},
{46.2, -77.6},
{51.9, -71.5},
{57.5, -61.9},
{63.9, -47.2},
{72, -24.8},
{80, 0}},
smooth = Smooth.Bezier),
Text(
extent = {
{-147, -152},
{153, -112}},
textString = "f=%f")}),
Documentation(info = "<html>\n<p>\nThe Real output y is a sine signal:\n</p>\n\n<p>\n<img src=\"modelica://Modelica/Resources/Images/Blocks/Sources/Sine.png\"\n alt=\"Sine.png\">\n</p>\n</html>"));
end Sine;