Update Modelica/Mechanics/MultiBody/Examples/Systems/RobotR3/Utilities/Motor.mo

Change to angular frequency, seems likely to be correct.

Co-authored-by: Thomas Beutlich <[email protected]>

Author: HansOlsson

Modelica/Mechanics/MultiBody/Examples/Systems/RobotR3/Utilities/Motor.mo

@@ -3,7 +3,7 @@ model Motor "Motor model including current controller of r3 motors"
   extends Electrical.Machines.Icons.Machine;
   parameter SI.Inertia J(min=0)=0.0013 "Moment of inertia of motor";
   parameter Real k=1.1616 "Gain of motor";
-  parameter Real w(unit="s-1")=4590 "Time constant of motor";
+  parameter SI.AngularFrequency w=4590 "Angular frequency of motor";
   parameter Real D(unit="1")=0.6 "Damping constant of motor";
   parameter SI.AngularVelocity w_max=315 "Maximum speed of motor";
   parameter SI.Current i_max=9 "Maximum current of motor";