fr.cnes.sirius.patrius.attitudes.profiles

Class AngularVelocitiesHarmonicProfile

java.lang.Object

fr.cnes.sirius.patrius.attitudes.profiles.AbstractAttitudeProfile

fr.cnes.sirius.patrius.attitudes.profiles.AbstractAngularVelocitiesAttitudeProfile

fr.cnes.sirius.patrius.attitudes.profiles.AngularVelocitiesHarmonicProfile

All Implemented Interfaces:

AttitudeLeg, AttitudeProvider, AttitudeProfile, Leg, Serializable

public class AngularVelocitiesHarmonicProfile
extends AbstractAngularVelocitiesAttitudeProfile

An attitude angular velocities profile, whose x-y-z components are represented with Fourier series.

Since:

2.0

Author:

Rami Houdroge, Pierre Brechard

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class fr.cnes.sirius.patrius.attitudes.profiles.AbstractAngularVelocitiesAttitudeProfile

AbstractAngularVelocitiesAttitudeProfile.AngularVelocityIntegrationType

Field Summary

Fields inherited from class fr.cnes.sirius.patrius.attitudes.profiles.AbstractAngularVelocitiesAttitudeProfile

dateRef, integStep, refFrame, rotationInitial, spinDerivativesComputation, spinVectorFunction, type

Constructor Summary

Constructors

Constructor and Description
AngularVelocitiesHarmonicProfile(FourierSeries xAngle, FourierSeries yAngle, FourierSeries zAngle, Frame frame, AbsoluteDateInterval timeInterval, Rotation rotationRef, AbsoluteDate dateRef, AbstractAngularVelocitiesAttitudeProfile.AngularVelocityIntegrationType integType, double integStep) Create a harmonic, angular velocities guidance profile.
AngularVelocitiesHarmonicProfile(FourierSeries xAngle, FourierSeries yAngle, FourierSeries zAngle, Frame frame, AbsoluteDateInterval timeInterval, Rotation rotationRef, AbsoluteDate dateRef, AbstractAngularVelocitiesAttitudeProfile.AngularVelocityIntegrationType integType, double integStep, int cacheFreq) Create a harmonic, angular velocities guidance profile.
AngularVelocitiesHarmonicProfile(FourierSeries xAngle, FourierSeries yAngle, FourierSeries zAngle, Frame frame, AbsoluteDateInterval timeInterval, Rotation rotationRef, AbsoluteDate dateRef, AbstractAngularVelocitiesAttitudeProfile.AngularVelocityIntegrationType integType, double integStep, int cacheFreq, String nature) Create a harmonic, angular velocities guidance profile.
AngularVelocitiesHarmonicProfile(FourierSeries xAngle, FourierSeries yAngle, FourierSeries zAngle, Frame frame, AbsoluteDateInterval timeInterval, Rotation rotationRef, AbsoluteDate dateRef, AbstractAngularVelocitiesAttitudeProfile.AngularVelocityIntegrationType integType, double integStep, String nature) Create a harmonic, angular velocities guidance profile.

Method Summary

Modifier and Type	Method and Description
double[]	getAngularFrequencies() Gets the angular frequencies of the three Fourier series representing x, y and z.
double[]	getConstants() Gets the a0 coefficients of the three Fourier series representing x, y and z.
double[][]	getCosArrays() Gets the a coefficients of the three Fourier series representing x, y and z.
double[][]	getSinArrays() Gets the b coefficients of the three Fourier series representing x, y and z.
void	truncate(AbsoluteDateInterval newInterval) Truncate the validity interval of the profile.

Methods inherited from class fr.cnes.sirius.patrius.attitudes.profiles.AbstractAngularVelocitiesAttitudeProfile

clearCache, getAttitude, getOrientation, setSpinDerivativesComputation

Methods inherited from class fr.cnes.sirius.patrius.attitudes.profiles.AbstractAttitudeProfile

checkDate, getAttitude, getNature, getTimeInterval

Methods inherited from class java.lang.Object

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

Methods inherited from interface fr.cnes.sirius.patrius.utils.legs.Leg

toPrettyString

Constructor Detail

AngularVelocitiesHarmonicProfile

public AngularVelocitiesHarmonicProfile(FourierSeries xAngle,
                                        FourierSeries yAngle,
                                        FourierSeries zAngle,
                                        Frame frame,
                                        AbsoluteDateInterval timeInterval,
                                        Rotation rotationRef,
                                        AbsoluteDate dateRef,
                                        AbstractAngularVelocitiesAttitudeProfile.AngularVelocityIntegrationType integType,
                                        double integStep)
                                 throws PatriusException

Create a harmonic, angular velocities guidance profile.

Parameters:

xAngle - x angular velocity Fourier decomposition

yAngle - y angular velocity Fourier decomposition

zAngle - z angular velocity Fourier decomposition

frame - frame where the initial rotation and xAngle, yAngle and zAngle Fourier Series functions are expressed

timeInterval - interval of validity of the guidance profile

rotationRef - rotation at reference date

dateRef - Reference date

integType - integration type

integStep - integration step

Throws:

PatriusException - thrown if the reference date is after the lower bound of the interval to be covered by the profile

AngularVelocitiesHarmonicProfile

public AngularVelocitiesHarmonicProfile(FourierSeries xAngle,
                                        FourierSeries yAngle,
                                        FourierSeries zAngle,
                                        Frame frame,
                                        AbsoluteDateInterval timeInterval,
                                        Rotation rotationRef,
                                        AbsoluteDate dateRef,
                                        AbstractAngularVelocitiesAttitudeProfile.AngularVelocityIntegrationType integType,
                                        double integStep,
                                        int cacheFreq)
                                 throws PatriusException

Create a harmonic, angular velocities guidance profile.

Parameters:

xAngle - x angular velocity Fourier decomposition

yAngle - y angular velocity Fourier decomposition

zAngle - z angular velocity Fourier decomposition

frame - frame where the initial rotation and xAngle, yAngle and zAngle Fourier Series functions are expressed

timeInterval - interval of validity of the guidance profile

rotationRef - rotation at reference date

dateRef - Reference date

integType - integration type

integStep - integration step

cacheFreq - Number of integration steps performed between two values stored in the underlying cache

Throws:

PatriusException - thrown if the reference date is after the lower bound of the interval to be covered by the profile

AngularVelocitiesHarmonicProfile

public AngularVelocitiesHarmonicProfile(FourierSeries xAngle,
                                        FourierSeries yAngle,
                                        FourierSeries zAngle,
                                        Frame frame,
                                        AbsoluteDateInterval timeInterval,
                                        Rotation rotationRef,
                                        AbsoluteDate dateRef,
                                        AbstractAngularVelocitiesAttitudeProfile.AngularVelocityIntegrationType integType,
                                        double integStep,
                                        String nature)
                                 throws PatriusException

Create a harmonic, angular velocities guidance profile.

Parameters:

frame - frame where initialRotation and xAngle, yAngle and zAngle are expressed

xAngle - x angular velocity Fourier decomposition

yAngle - y angular velocity Fourier decomposition

zAngle - z angular velocity Fourier decomposition

timeInterval - interval of validity of the guidance profile

rotationRef - rotation at reference date

dateRef - Reference date

integType - integration type

integStep - integration step

nature - Nature

Throws:

PatriusException - thrown if the reference date is after the lower bound of the interval to be covered by the profile

AngularVelocitiesHarmonicProfile

public AngularVelocitiesHarmonicProfile(FourierSeries xAngle,
                                        FourierSeries yAngle,
                                        FourierSeries zAngle,
                                        Frame frame,
                                        AbsoluteDateInterval timeInterval,
                                        Rotation rotationRef,
                                        AbsoluteDate dateRef,
                                        AbstractAngularVelocitiesAttitudeProfile.AngularVelocityIntegrationType integType,
                                        double integStep,
                                        int cacheFreq,
                                        String nature)
                                 throws PatriusException

Create a harmonic, angular velocities guidance profile.

Parameters:

frame - frame where initialRotation and xAngle, yAngle and zAngle are expressed

xAngle - x angular velocity Fourier decomposition

yAngle - y angular velocity Fourier decomposition

zAngle - z angular velocity Fourier decomposition

timeInterval - interval of validity of the guidance profile

rotationRef - rotation at reference date

dateRef - Reference date

integType - integration type

integStep - integration step

cacheFreq - Number of integration steps performed between two values stored in the underlying cache

nature - Nature

Throws:

PatriusException - thrown if the reference date is after the lower bound of the interval to be covered by the profile

Method Detail

truncate

public void truncate(AbsoluteDateInterval newInterval)
              throws PatriusException

Truncate the validity interval of the profile. Coefficients are recomputed to match new interval.

Specified by:

truncate in interface Leg

Overrides:

truncate in class AbstractAttitudeProfile

Parameters:

newInterval - the new time interval

Throws:

PatriusException - if the new time interval is not included in the current time interval

getAngularFrequencies

public double[] getAngularFrequencies()

Gets the angular frequencies of the three Fourier series representing x, y and z.

Returns:

the angular frequencies

getConstants

public double[] getConstants()

Gets the a0 coefficients of the three Fourier series representing x, y and z.

Returns:

the a0 coefficients

getCosArrays

public double[][] getCosArrays()

Gets the a coefficients of the three Fourier series representing x, y and z.

Returns:

the a coefficients of the three Fourier series representing x, y and z.

getSinArrays

public double[][] getSinArrays()

Gets the b coefficients of the three Fourier series representing x, y and z.

Returns:

the b coefficients of the three Fourier series representing x, y and z.