fr.cnes.genopus.nonWidget.attitudes

Class CustomAeroAttitudeLaw

java.lang.Object

org.orekit.attitudes.AbstractAttitudeLaw

fr.cnes.genopus.nonWidget.attitudes.CustomAeroAttitudeLaw

All Implemented Interfaces:

CustomAttitudeLaw, Serializable, org.orekit.attitudes.AttitudeLaw, org.orekit.attitudes.AttitudeProvider

public class CustomAeroAttitudeLaw
extends org.orekit.attitudes.AbstractAttitudeLaw
implements CustomAttitudeLaw

Class to define an aerodynamic attitude law by angle of attack, side slip angle and bank angle.

Author:

sumelzi

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CustomAeroAttitudeLaw(double angleOfAttack, double sideSlipAngle, double bankAngle) Creates a new instance.
CustomAeroAttitudeLaw(double angleOfAttack, double sideSlipAngle, double bankAngle, org.orekit.bodies.ExtendedOneAxisEllipsoid earthShape) Creates a new instance.

Method Summary

Methods

Modifier and Type	Method and Description
static double[]	aeroToEarth(double angleOfAttack, double sideSlipAngle, double bankAngle, double slopeVel, double azimuthVel) Method to compute aircraft orientation angles with respect the Aircraft-carried normal earth axis system frame: OX towards local North and OY towards local East.
static double[]	aircraftToAero(double slopeVel, double azimuthVel, double yaw, double pitch, double roll) Method to compute aerodynamic frame orientation angles with respect aircraft frame.
double	getAngleOfAttack() Getter for the angle of atack.
org.orekit.attitudes.Attitude	getAttitude(org.orekit.utils.PVCoordinatesProvider pvProv, org.orekit.time.AbsoluteDate date, org.orekit.frames.Frame frame)
double	getBankAngle() Getter for the bank angle.
double	getSideSlipAngle() Getter for the side slip angle.
String	toString()

Methods inherited from class org.orekit.attitudes.AbstractAttitudeLaw

getAttitude, getSpinDerivativesComputation, setSpinDerivativesComputation

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.orekit.attitudes.AttitudeProvider

getAttitude, setSpinDerivativesComputation

Constructor Detail

CustomAeroAttitudeLaw

public CustomAeroAttitudeLaw(double angleOfAttack,
                     double sideSlipAngle,
                     double bankAngle)

Creates a new instance.

Parameters:

angleOfAttack - angle of attack

sideSlipAngle - side slip angle angle

bankAngle - bank angle

CustomAeroAttitudeLaw

public CustomAeroAttitudeLaw(double angleOfAttack,
                     double sideSlipAngle,
                     double bankAngle,
                     org.orekit.bodies.ExtendedOneAxisEllipsoid earthShape)

Creates a new instance.

Parameters:

angleOfAttack - angle of attack

sideSlipAngle - side slip angle angle

bankAngle - bank angle

earthShape - earth shape

Method Detail

getAttitude

public org.orekit.attitudes.Attitude getAttitude(org.orekit.utils.PVCoordinatesProvider pvProv,
                                        org.orekit.time.AbsoluteDate date,
                                        org.orekit.frames.Frame frame)
                                          throws org.orekit.errors.OrekitException,
                                                 ArithmeticException

Specified by:

getAttitude in interface org.orekit.attitudes.AttitudeProvider

Throws:

ArithmeticException - at least if angleOfAttack, sideSlipAngle or bankAngle are NaN or Inf

org.orekit.errors.OrekitException

aeroToEarth

public static double[] aeroToEarth(double angleOfAttack,
                   double sideSlipAngle,
                   double bankAngle,
                   double slopeVel,
                   double azimuthVel)
                            throws ArithmeticException

Method to compute aircraft orientation angles with respect the Aircraft-carried normal earth axis system frame: OX towards local North and OY towards local East.

Parameters:

angleOfAttack - Angle of Attack

sideSlipAngle - Side slip angle

bankAngle - Bank angle

slopeVel - Slope velocity

azimuthVel - Azimuth velocity

Returns:

yaw, pitch and roll

Throws:

ArithmeticException - if azimuthVel, slopeVel, bankAngle, angleOfAttack or sideSlipAngle are NaN or Inf

aircraftToAero

public static double[] aircraftToAero(double slopeVel,
                      double azimuthVel,
                      double yaw,
                      double pitch,
                      double roll)
                               throws NonWidgetException,
                                      ArithmeticException

Method to compute aerodynamic frame orientation angles with respect aircraft frame.

Parameters:

slopeVel - Slope velocity

azimuthVel - Azimuth velocity

yaw - Aircraft yaw

pitch - Aircraft pitch

roll - Aircraft roll

Returns:

Angle of Attack, Side slip angle, Bank angle

Throws:

NonWidgetException - if bank angle cannot be computed

ArithmeticException - if slopeVel, azimuthVel, yaw, pitch or roll are NaN or Inf.

getAngleOfAttack

public double getAngleOfAttack()

Getter for the angle of atack.

Returns:

the angle of atack.

getSideSlipAngle

public double getSideSlipAngle()

Getter for the side slip angle.

Returns:

the side slip angle.

getBankAngle

public double getBankAngle()

Getter for the bank angle.

Returns:

the bank angle.

toString

public String toString()

Overrides:

toString in class Object