ToPolar
block ToPolar "Converts a space phasor to polar coordinates"
extends Modelica.Blocks.Interfaces.MIMOs(final n = 2);
constant Real small = Modelica.Constants.small;
equation
y[1] = sqrt(u[1] ^ 2 + u[2] ^ 2);
y[2] = if noEvent(y[1] <= small) then 0 else Modelica.Math.atan2(u[2], u[1]);
annotation (
Icon(
coordinateSystem(
preserveAspectRatio = true,
extent = {
{-100, -100},
{100, 100}}),
graphics = {
Line(
points = {
{-60, 60},
{-60, -60},
{60, -60}},
color = {0, 0, 255}),
Line(
points = {
{-100, -100},
{100, 100}},
color = {0, 0, 255}),
Polygon(
points = {
{26, 26},
{14, 20},
{20, 14},
{26, 26}},
lineColor = {0, 0, 255}),
Line(
points = {
{-18, -18},
{-14, -22},
{-10, -28},
{-6, -34},
{-2, -44},
{0, -52},
{0, -60}},
color = {0, 0, 255},
smooth = Smooth.Bezier),
Polygon(
points = {
{-18, -18},
{-14, -26},
{-10, -22},
{-18, -18}},
lineColor = {0, 0, 255}),
Text(
extent = {
{-100, 100},
{-6, -6}},
lineColor = {0, 0, 255},
textString = "R"),
Text(
extent = {
{6, 6},
{100, -100}},
lineColor = {0, 0, 255},
textString = "P")}),
Documentation(info = "<html>\nConverts a space phasor from rectangular coordinates to polar coordinates.\n</html>"));
end ToPolar;