Modelica.Mechanics.Rotational.Sensors

Information

This package contains ideal sensor components that provide the connector variables as signals for further processing with the Modelica.Blocks library.

Extends from Modelica.Icons.SensorsPackage (Icon for packages containing sensors).

Package Content

Name	Description
AngleSensor	Ideal sensor to measure the absolute flange angle
SpeedSensor	Ideal sensor to measure the absolute flange angular velocity
AccSensor	Ideal sensor to measure the absolute flange angular acceleration
RelAngleSensor	Ideal sensor to measure the relative angle between two flanges
RelSpeedSensor	Ideal sensor to measure the relative angular velocity between two flanges
RelAccSensor	Ideal sensor to measure the relative angular acceleration between two flanges
TorqueSensor	Ideal sensor to measure the torque between two flanges (= flange_a.tau)
PowerSensor	Ideal sensor to measure the power between two flanges (= flange_a.tau*der(flange_a.phi))

Modelica.Mechanics.Rotational.Sensors.AngleSensor

Information

Measures the absolute angle phi of a flange in an ideal way and provides the result as output signal phi (to be further processed with blocks of the Modelica.Blocks library).

Extends from Rotational.Interfaces.PartialAbsoluteSensor (Partial model to measure a single absolute flange variable).

Connectors

Type	Name	Description
Flange_a	flange	Flange of shaft from which sensor information shall be measured
output RealOutput	phi	Absolute angle of flange

Modelica definition

model AngleSensor "Ideal sensor to measure the absolute flange angle"

  extends Rotational.Interfaces.PartialAbsoluteSensor;
  Modelica.Blocks.Interfaces.RealOutput phi "Absolute angle of flange";
equation 
  phi = flange.phi;
end AngleSensor;

Modelica.Mechanics.Rotational.Sensors.SpeedSensor

Information

Measures the absolute angular velocity w of a flange in an ideal way and provides the result as output signal w (to be further processed with blocks of the Modelica.Blocks library).

Extends from Rotational.Interfaces.PartialAbsoluteSensor (Partial model to measure a single absolute flange variable).

Connectors

Type	Name	Description
Flange_a	flange	Flange of shaft from which sensor information shall be measured
output RealOutput	w	Absolute angular velocity of flange

Modelica definition

model SpeedSensor 
  "Ideal sensor to measure the absolute flange angular velocity"

  extends Rotational.Interfaces.PartialAbsoluteSensor;
  Modelica.Blocks.Interfaces.RealOutput w "Absolute angular velocity of flange";

equation 
  w = der(flange.phi);
end SpeedSensor;

Modelica.Mechanics.Rotational.Sensors.AccSensor

Information

Measures the absolute angular acceleration a of a flange in an ideal way and provides the result as output signal a (to be further processed with blocks of the Modelica.Blocks library).

Extends from Rotational.Interfaces.PartialAbsoluteSensor (Partial model to measure a single absolute flange variable).

Connectors

Type	Name	Description
Flange_a	flange	Flange of shaft from which sensor information shall be measured
output RealOutput	a	Absolute angular acceleration of flange

Modelica definition

model AccSensor 
  "Ideal sensor to measure the absolute flange angular acceleration"

  extends Rotational.Interfaces.PartialAbsoluteSensor;
  SI.AngularVelocity w "Absolute angular velocity of flange";
  Modelica.Blocks.Interfaces.RealOutput a 
    "Absolute angular acceleration of flange";

equation 
  w = der(flange.phi);
  a = der(w);
end AccSensor;

Modelica.Mechanics.Rotational.Sensors.RelAngleSensor

Information

Measures the relative angle phi_rel between two flanges in an ideal way and provides the result as output signal phi_rel (to be further processed with blocks of the Modelica.Blocks library).

Extends from Rotational.Interfaces.PartialRelativeSensor (Partial model to measure a single relative variable between two flanges).

Connectors

Type	Name	Description
Flange_a	flange_a	Left flange of shaft
Flange_b	flange_b	Right flange of shaft
output RealOutput	phi_rel	Relative angle between two flanges (= flange_b.phi - flange_a.phi)

Modelica definition

model RelAngleSensor 
  "Ideal sensor to measure the relative angle between two flanges"

  extends Rotational.Interfaces.PartialRelativeSensor;
  Modelica.Blocks.Interfaces.RealOutput phi_rel 
    "Relative angle between two flanges (= flange_b.phi - flange_a.phi)";

equation 
  phi_rel = flange_b.phi - flange_a.phi;
  0 = flange_a.tau;
end RelAngleSensor;

Modelica.Mechanics.Rotational.Sensors.RelSpeedSensor

Information

Measures the relative angular velocity w_rel between two flanges in an ideal way and provides the result as output signal w_rel (to be further processed with blocks of the Modelica.Blocks library).

Extends from Rotational.Interfaces.PartialRelativeSensor (Partial model to measure a single relative variable between two flanges).

Connectors

Type	Name	Description
Flange_a	flange_a	Left flange of shaft
Flange_b	flange_b	Right flange of shaft
output RealOutput	w_rel	Relative angular velocity between two flanges (= der(flange_b.phi) - der(flange_a.phi))

Modelica definition

model RelSpeedSensor 
  "Ideal sensor to measure the relative angular velocity between two flanges"

  extends Rotational.Interfaces.PartialRelativeSensor;

  SI.Angle phi_rel 
    "Relative angle between two flanges (flange_b.phi - flange_a.phi)";
  Modelica.Blocks.Interfaces.RealOutput w_rel 
    "Relative angular velocity between two flanges (= der(flange_b.phi) - der(flange_a.phi))";
    

equation 
  phi_rel = flange_b.phi - flange_a.phi;
  w_rel = der(phi_rel);
  0 = flange_a.tau;
end RelSpeedSensor;

Modelica.Mechanics.Rotational.Sensors.RelAccSensor

Information

Measures the relative angular acceleration a_rel between two flanges in an ideal way and provides the result as output signal a_rel (to be further processed with blocks of the Modelica.Blocks library).

Extends from Rotational.Interfaces.PartialRelativeSensor (Partial model to measure a single relative variable between two flanges).

Connectors

Type	Name	Description
Flange_a	flange_a	Left flange of shaft
Flange_b	flange_b	Right flange of shaft
output RealOutput	a_rel	Relative angular acceleration between two flanges

Modelica definition

model RelAccSensor 
  "Ideal sensor to measure the relative angular acceleration between two flanges"

  extends Rotational.Interfaces.PartialRelativeSensor;

  SI.Angle phi_rel 
    "Relative angle between two flanges (flange_b.phi - flange_a.phi)";
  SI.AngularVelocity w_rel "Relative angular velocity between two flanges";
  Modelica.Blocks.Interfaces.RealOutput a_rel 
    "Relative angular acceleration between two flanges";

equation 
  phi_rel = flange_b.phi - flange_a.phi;
  w_rel = der(phi_rel);
  a_rel = der(w_rel);
  0 = flange_a.tau;
end RelAccSensor;

Modelica.Mechanics.Rotational.Sensors.TorqueSensor

Information

Measures the cut-torque between two flanges in an ideal way and provides the result as output signal tau (to be further processed with blocks of the Modelica.Blocks library).

Extends from Rotational.Interfaces.PartialRelativeSensor (Partial model to measure a single relative variable between two flanges).

Connectors

Type	Name	Description
Flange_a	flange_a	Left flange of shaft
Flange_b	flange_b	Right flange of shaft
output RealOutput	tau	Torque in flange flange_a and flange_b (tau = flange_a.tau = -flange_b.tau)

Modelica definition

model TorqueSensor 
  "Ideal sensor to measure the torque between two flanges (= flange_a.tau)"

  extends Rotational.Interfaces.PartialRelativeSensor;
  Modelica.Blocks.Interfaces.RealOutput tau 
    "Torque in flange flange_a and flange_b (tau = flange_a.tau = -flange_b.tau)";

equation 
  flange_a.phi = flange_b.phi;
  flange_a.tau = tau;
end TorqueSensor;

Modelica.Mechanics.Rotational.Sensors.PowerSensor

Information

Measures the power between two flanges in an ideal way and provides the result as output signal power (to be further processed with blocks of the Modelica.Blocks library).

Extends from Rotational.Interfaces.PartialRelativeSensor (Partial model to measure a single relative variable between two flanges).

Connectors

Type	Name	Description
Flange_a	flange_a	Left flange of shaft
Flange_b	flange_b	Right flange of shaft
output RealOutput	power	Power in flange flange_a

Modelica definition

model PowerSensor 
  "Ideal sensor to measure the power between two flanges (= flange_a.tau*der(flange_a.phi))"

  extends Rotational.Interfaces.PartialRelativeSensor;
  Modelica.Blocks.Interfaces.RealOutput power "Power in flange flange_a";

equation 
  flange_a.phi = flange_b.phi;
  power = flange_a.tau*der(flange_a.phi);
end PowerSensor;