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Actuator, Analysis, AttitudeDynamics, Control, Coordinates, DemoFuns, Disturbances, Dynamics, GAOT, Graphics, Guidance, Help, Missions, OptTestFuns, Optimization, OrbitDynamics, SailData, SailEphem, SailModeling, Utilities, Demos/Actuator, Demos/Control, Demos/Coordinates, Demos/Disturbances, Demos/Dynamics, Demos/Graphics, Demos/Guidance, Demos/Integrated, Demos/Missions, Demos/Optimization, Demos/SailDesigns, Demos/SailEphem, Demos/SailModeling,
CMToMassPositions - Determine mass positions from a desired center of mass.
GimbalRates - Compute commanded gimbal rates based on commanded angles and a fixed rate.
SearchVaneAngles - Solve a three-axis control vane problem using fminsearch.
SolveVaneAngles - Solve a two-axis control vane problem using Newton's method.
TorqueToCM - Sail actuation function computing needed CM to produce a given torque.
VaneAngles - Compute angle commands for roll control using sail vanes.
LunarDisplacement - Compute the sail acceleration needed for a displaced lunar Lagrange halo.
LunarHalo - Initial conditions for a Sail halo in the Earth-Moon system.
NKPlanetPeriod - Compute non-Kepler orbit periods from parameters in planetary radii.
NonKeplerianPlanet - Sail parameters for non-Keplerian orbits near a planet.
NonKeplerianSun - Sail lightness and pitch for a sun-centered displaced non-Keplerian orbit.
OptimalPeriodNonKepler - Optimal orbit rate for minimizing required sail lightness parameter.
FCoreAndMoving - Example system RHS which incorporates FMovingBody.
FMovingBody - Moving body dynamics model with instantaneous velocities.
FSailRB - Rigid body right-hand-side for Sail module.
FSailTB - Rewrite of FTB in preferred sail module format
FTimeVaryingI - Attitude RHS with time varying inertia of a single body.
HGimballedBoom - Calculate angular momentum of boom system and update the body rates.
MassVehicle - Compute the mass data structure.
TwoBodyRateModel - Gimballed boom dynamics model for fixed gimbal rates.
FPlanetControl - Sail planet-centered RHS with rho/z control via sail pitch angle.
FixedPitchControl - Correct sail pitch using elevation, dElevation = -dPitch.
AnglesMcInnesToU - Angles to unit vector using McInnes' convention. u will be AWAY from the sun.
AnglesRotToU - Angles and a reference frame to unit vector.
AttitudeProfileToTorque - Compute an equivalent torque sequence from an attitude profile.
BConeClock - Compute a rotation matrix for cone and clock from the reference frame
CartToI - Computes inclination from cartesian elements
ClockConversion - Apply a clock angle convention between McInnes, PSS, and JPL.
ConeClockConvention - Apply a selected cone/clock sign convention for angle ranges.
ConeClockToQConstrained - Compute a quaternion from cone and clock angles.
ConeClockToU - Compute a unit vector from cone and clock angles.
ElToMEq - Transforms modified Keplerian elements to equinoctial elements.
MEQToECI - Transform to ECI frame from tangential coordinates.
MEQToI - Compute inclination from modified equinoctial coordinates.
MEqToEl - Transforms modified equinoctial elements to Keplerian elements.
MEqToRV - Transforms modified equinoctial elements to r and v.
PlanetRot - Transform from ECI to planet-fixed axes.
QSail - Quaternion from inertial to the local rotating sun-sail frame.
QSteeringYAligned - Compute the steering rotation keeping the body axis aligned with Y.
QToConeClock - Computes cone and clock angles from an inertial to body quaternion.
QXToAlphaDelta - Cone and clock angles (alpha,delta) to inertial quaternion.
RVToMEq - Transforms elements r and v to modified equinoctial.
SteeringAnglesToQ - Convert sail steering angles to a quaternion.
UToConeClock - Computes cone and clock angles from a unit vector.
FCartOrbD - Right hand side for cartesian orbital equations. Accepts a data structure
FHingeOrbit - Combined point-mass orbit and fixed-rate moving body dynamics model.
FS4Deployment - S4 Sail simplified deployment dynamics from reference.
Quadratic - The function f = x'*x
RHSHelio2DOrbit - Planar heliocentric orbit problem with specular solar disturbance force.
SARosenbrock - The function f = 100*(x(1)^2-x(2))^2 + (1-x(1))^2
SATestFun - Minimize the function f = 3x^3 + 5x^2 -2x + 3
SailClosedLoopNLEqns - Nonlinear sail RHS with area control.
ZermeloAnalyticalCost - Computes the analytical cost for Zermelo's problem.
ZermeloAnalyticalLambda - Computes the analytical lambda for Zermelo's problem.
ZermeloCost - Cost function of Zermelo's differential equations.
DisturbanceStruct - Return a default data structure for SailDisturbance.
EnvironmentStruct - Return a default data structure for SailEnvironment.
HingeRotationMatrix - Transformation matrix for an arbitrary number of single axis rotations.
OpticalMcInnesToPSS - Convert McInnes optical coefficients to PSS format.
ProfileStruct - Return a default profile structure for SailDisturbance.
SailDisturbance - Compute the forces and torques on a solar sail vehicle.
SailEnvironment - Space environment models. Designed to work with SailDisturbance.
SolarPressureForce - Combined thermal and optical solar pressure force model.
EER - PSS internal file version information
adjswapMutation - function [newSol] = adjswapmutation(parent,bounds,Ops)
arithXover - function [c1,c2] = arithXover(p1,p2,bounds,Ops)
b2f - Return the float number corresponing to the binary representation of bval.
binaryExample - PSS internal file version information
binaryMutation - function [newSol] = binaryMutate(parent,bounds,Ops)
boundaryMutation - function [newSol] = boundaryMutate(parent,bounds,Ops)
calcbits - Determine the number of bits to represent a float number to the precision
coranaEval - Determines the value of the Corana function at point sol.
coranaFeval - Determines the value of the Corana function at point sol.
coranaMin - Function to minimize the Corana function.
cyclicXover - function [c1,c2] = cyclicXover(p1,p2,bounds,Ops)
deltaFunction - function[change] = deltaFunction(ct,mt,y,b)
dists - Great circle distances are calculated using the Haversine Formula (from R.W.
enhancederXover - function [c1,c2] = enhancederXover(p1,p2,bounds,Ops)
erXover - function [c1,c2] = er(p1,p2,bounds,Ops)
f2b - Return the binary representation of the float number fval.
floatExample - PSS internal file version information
floatGradExample - PSS internal file version information
ga - Input Arguments:
gaMichEval - PSS internal file version information
gaZBGrad - PSS internal file version information
gaZBGradEval - PSS internal file version information
gademo - Let's look at an example
gademo1 - Let's look at an example
gademo1eval1 - function [val,sol] = gaDemo1Eval(sol,options)
gademo2 - C.R. Houck, J.Joines, and M.Kay. A genetic algorithm for function
gademo3 - C.R. Houck, J.Joines, and M.Kay. A genetic algorithm for function
heuristicXover - function [c1,c2] = heuristicXover(p1,p2,bounds,Ops)
initializega - pop - the initial, evaluated, random population
initializeoga - pop - the initial, evaluated, random population
inversionMutation - function [newSol] = inversionMutation(parent,bounds,Ops)
linerorderXover - function [c1,c2] = linearOrderXover(p1,p2,bounds,Ops)
maxGenTerm - Returns 1, i.e. terminates the GA when the maximal_generation is reached.
multiNonUnifMutation - function [newSol] = multiNonUnifMutate(parent,bounds,Ops)
nonUnifMutation - function [newSol] = multiNonUnifMutate(parent,bounds,Ops)
normGeomSelect - function[newPop] = normGeomSelect(oldPop,options)
optMaxGenTerm - Returns 1, i.e. terminates the GA, when either the maximal_generation is
orderBasedExample - Hit a return to continue
orderbasedXover - function [c1,c2] = orderbasedXover(p1,p2,bounds,Ops)
parse - function [x] = parse(inStr)
partmapXover - function [c1,c2] = partmapXover(p1,p2,bounds,Ops)
plotCorana - PSS internal file version information
roulette - unction[newPop] = roulette(oldPop,options)
shiftMutation - function [newSol] = shiftMutation(parent,bounds,Ops)
simpleXover - function [c1,c2] = simpleXover(p1,p2,bounds,Ops)
singleptXover - C.R. Houck, J.Joines, and M.Kay. A genetic algorithm for function
swapMutation - function [newSol] = adjswapmutation(parent,bounds,Ops)
threeswapMutation - function [newSol] = threeswapMutation(parent,bounds,Ops)
tournSelect - function[newPop] = tournSelect(oldPop,options)
tspEval - GAOT function:
unifMutation - function [newSol] = multiNonUnifMutate(parent,bounds,Ops)
uniformXover - function [c1,c2] = linearOrderXover(p1,p2,bounds,Ops)
ConeClockPatches - Plot a patch of a sail oriented to the given cone and clock angles.
DrawCircularPlane - Represent the Y/Z plane with a circle with arrows for +X/+Y only.
DrawSailAngles - Draw cone and clock angles in 3D using translucent patches in a new figure.
DrawSailAttitude - View a rotated CAD model and the sun vector.
DrawSailFrames - Draw cone and clock angles using one color per frame.
DrawSailMeshVectors - Draw a sail mesh with force vectors at each face.
Plot2DTrajectory - Propagate and plot the planar trajectory.
Plot3DOrbit - Plot a trajectory in 3D with initial and final orbits marked.
Plot3DTrajectory - Propagate and plot a 3D trajectory using outputs from optimization.
PlotSailClock2D - Plot clock angle and relevant vectors in the 2D clock plane.
PlotSailForce - Plot the solar sail disturbance forces from the force structure.
PlotSailForce2D - Plot relationship between force, normal, and sun vectors in 2D
PlotSailProfile - Default plots for the information stored in the sail orbit profile.
PlotZermelo - Propagate and plot the Zermelo trajectory.
PlottingParabolas - Compute parabolic bounding surfaces for manifolds.
SailDefaultColors - Define default colors for all sail plots.
SailForceSubplots - View a single force vector in two planes using four subplots.
SailOrbitContours - Create and draw sail orbit contours.
SailPatchVertices - Sail vertices for a default sail in the Y/Z plane
VisualizeSailAttitude - Visualize the attitude of a sail in 3D using a patch and sun vector.
EarthGuidance - Guidance law for ST9 demonstration mission.
HeliopauseSailAngle - Generates a constant angle to get a velocity reversal trajectory.
LambdaToConeClock3D - Generates the optimal cone and clock angles for 3D problems.
LocallyOptimalConeClock3D - Generates locally optimal cone and clock angles for 3D problems.
LocallyOptimalTraj - Computes locally optimal solar sail control angles.
PlanetOptimalTraj - Computes locally optimal solar sail control angles for planet-centric.
SPIGuidance - Guidance law for Solar Polar Imager using locally optimal control.
SubL1Accel - Find a sail acceleration to maintain a Sub-L1 station.
SunGuidance - Guidance laws for common sun-centered profiles.
TwoDOptimalSailAngle - Generates the optimal sail angle for planar problems.
FileHelp - View the file headers.
AsteroidTrajectory - Example problem from AIAA challenge.
GeoOptimalMission - Simulate a geocentric locally optimal trajectory.
SubL1Mission - Geostorm demo - Sub L1 excursions for fixed cone and clock angle.
GAMinTest - PSS internal file version information
NewtonDemoFun - Returns the values of the equations
OptTestFun - 10 test functions for optimization routines. The available functions are:
OptTestFunEcon - There are two optima:
OptTestFunParabola - A simple parabola, the function f = x^2
OptTestFunRosenbrock - Rosenbrock test function.
RHSZermelo - Zermelo's differential equation right hand side.
BoundedMutation - GA mutation function where change is bounded within a fraction of the range.
ControlAngles3D - Computes the control angles for a 3D problem given the costates of the
Cost3D - Function to be used for optimization. It computes an err magnitude
CostLowThrust2D - Cost function for 2D low thrust trajectory optimization.
CostLowThrust3D - Cost function for 3D low thrust trajectory optimization.
CostSail2D - Cost function for 2D solar sail trajectory optimization.
CostSail3D - Cost function for 3D solar sail trajectory optimization.
FLambdaToConeClock - Generates the optimal cone and clock angles for 3D problems.
FLowThrust2D - This function is for the planar orbit problem which includes
FLowThrust3D - This function is 3D orbit problem in equinoctial coordinates.
FSolarSailAngles - RHS for a Newton solver for sail angles.
FractionalSelection - GA selection function where a fixed fraction of the population survives.
GAMin - Applies a genetic algorithm to minimizing a function.
GeneticAlgorithm - Applies a genetic algorithm to minimizing fun.
NewtonSolver - Solves for the zeros of a set of n equations.
SimulatedAnnealing - Implements simulated annealing.
SingleCrossover - GA crossover function which switches a randomly selected parameter between
TrajectoryOptimization - Performs trajectory optimization.
FOrbitGeneral - General gravity model allowing point mass and harmonic models.
FOrbitSingle - Gravity model allowing a point mass or harmonic models for a single body.
FRotatingFrame - Three-body dynamics in the rotating frame with a solar sail.
FRotatingLagrange - Sail orbit RHS in a 3 body dimensionless rotating frame.
FRotatingPlanet - Sail orbit RHS in a planet-centered cylindrical rotating frame.
FRotatingSun - Sail orbit equations in a sun-centered cylindrical rotating frame.
FSailCombined - Simulation right hand side. Calls all needed portions in order.
FSailEarthMoon - Sail dynamics with spherical harmonic models of the Earth and Moon gravity.
FSailEarthSun - Sail dynamics in the Earth-Sun three-body system.
FSailGuidance - Right-hand-side for sail with fixed cone and clock angles (McInnes).
RHS2DOrbit - This function is for the planar orbit problem.
RHS3DOrbit - This function is the right-hand-side for the 3D orbit optimization problem.
RHSCartesian - Right-hand-side for point-mass cartesian orbit with external acceleration.
RHSCartesianRadialAccel - Right-hand-side for point-mass cartesian orbit with radial acceleration.
RHSEquinoctial - Right-hand-side for equinoctial elements.
RHSOpt2DOrbit - Right-hand-side for the planar orbit optimization problem.
RHSOpt3DOrbit - This function is the right-hand-side for the 3D orbit optimization problem.
VarEqSailPlanet - Sail variational equations in state space form for a planet-centered orbit.
SailEphemAlmanac - Location of planets relative to Sun in ecliptic frame using the almanac.
SailEphemEarth - Location of Earth relative to Sun in the ecliptic frame.
SailEphemJPL - Location of planets relative to Sun in ecliptic frame using JPL ephemerides.
CP1Props - Front and back optical and thermal properties of CP1 (Lambertian)
ComputeSailNormal - Find all sail components and calculate their composite normal.
HCircularBillow - Circular billow height model
HQuadrantBillow - Models a single sail quadrant as a section of an oblique cone.
HRakoczy - Height function for a square sail with billow.
IDotS4 - Inertia derivative of S4 sail.
S4DeployTorque - Disturbances function for modeling deployment of scalable square sail.
SailMesh - Create a mesh with the height determined by a specified function.
StripedQuadrant - Create a striped sail quadrant, with billow, in the x, y plane.
UpdateSailOpticalProps - Look up all the sail class components and update their properties.
AccelToLoading - Convert sail characteristic acceleration to loading.
AccelToSailProps - Sail characteristic acceleration to mass or area for a perfect sail.
ApplyProfileToModel - Apply a profile struct to a CAD model for display purposes.
Cyl2Cart - Converts cylindrical position coordinates to cartesian.
DisplaySailProperties - Display sail characteristics for a CAD model.
GravityUnitsConverter - Converts mu from km^3/sec^2
LightnessToLoading - Sail loading (mass/area) from lightness parameter.
LoadingToAccel - Sail loading parameter to characteristic acceleration.
LoadingToLightness - Sail lightness parameter from loading (mass/area).
SailPropsToAccel - Sail characteristic acceleration from mass and area.
MovingMassDemo - Demonstrate computing moving mass positions
SailVanesDemo - Demonstrate computing angles for a sail with a pair of vanes.
TwoBodyBoom - Demonstrate boom dynamics and control using TBModel/FTB functions.
VaneAnglesDemo - Demonstrate VaneAngles for a CAD model
VaneSearchDemo - Demonstrate computing angles for a sail with four vanes.
BallastMass2Axis - Attitude control of a sail using ballast masses in-plane.
BoomControl - Demonstrate gimballed boom control.
BoomGimbalActuation - Demonstrate gimballed boom actuation with set gimbal commands.
BoomQCRDemo - Demonstrate boom dynamics and control using TBModel/FTB functions.
VaneControl1Axis - Attitude control of a sail using control vanes.
McInnesAngles - Demonstrate McInnes' guidance and coordinate functions.
QSailDemo - Demonstrate sail reference frames in different orbits.
CompareSailBillow - Compare the solar pressure force for flat and billowed circular sails.
CompareSailOptical - Compare the solar pressure force for ideal and nonideal circular sails.
EarthOrbitDisturbances - Demonstrate the solar sail disturbance model in Earth orbit.
HelioDisturbances - Demonstrate the solar sail disturbance model in heliocentric orbit.
SailForceWithIncidenceAngle - Compute sail force over incidence angle.
SolarForceDemo - Demonstrate the solar pressure force function using a striped sail quadrant.
AsteroidOrbitDemo - Example orbit propagation problem from an AIAA student challenge.
AttitudeDemo - Sail attitude evolution under disturbances. No orbit dynamics.
BoomMomentumDemo - Verify momentum conservation and rate adjustment for gimbal commands.
LunarHaloSim - Simulate a sail halo about a Lunar Lagrange point. The orbit is unstable.
MovingBodyDemo - Demonstrate the moving body attitude RHS.
NKPlanetSim - Simulate a non-Keplerian orbit in a cylindrical planet-centered frame.
NonKeplerSunSim - Simulate a non-Keplerian sail orbit in a cylindrical sun-centered frame.
SailCombinedDemo - Demonstrate combined simulation for a sail orbiting the Earth.
SampleOrbitContours - Sail orbit contours.
PatchesDemo - Draw representative patches for a sail rotated by cone/clock angles
SailAttitudePlots - Demonstrate sail attitude plots that do not require a CAD model.
SailForcePlots - Demonstrate sail force plotting functions.
SailSimulationPlots - Demonstrate sail simulation plots
ViewSailForceDemo - Demonstrate DrawSailMeshVectors for different sail models.
EarthOrbitLVLH - Earth-orbit sail analysis with sail aligned to LVLH.
GeoOptimalDemo - Simulate a geocentric locally optimal trajectory using the control laws
HeliopauseSimulation - Planar heliopause mission simulation.
L1Diamond - L1 Diamond formation
LocalOptimalSim - Simulate a heliocentric locally optimal trajectory.
OptimalSMADemo - Computes optimal semi-major axis and eccentricity control.
SMAGuidanceWithBoom - Combined guidance and control demo with fixed rate two-body dynamics.
EarthMagnetotail - Fly near an invariant parabolic manifold and control to the displaced orbit.
GeoInclinationKite - Simulate inclination change in GEO orbit.
LEOCombinedDemo - Demonstrate combined simulation for a sail in a LEO 28.5 degree orbit.
LunarHaloDemo - Simulate a solar sail in orbit near the earth and moon.
SPICombinedDemo - Demonstrate combined simulation for the Solar Polar Imager mission.
SPITrajectoryDemo - Solar Polar Imager demo with JPL optimal trajectory data.
ST9CombinedDemo - Demonstrate combined simulation for a sail in ST9 orbit.
ST9Orbit - Simulate semi-major axis change in a dawn-dusk sun-synchronous orbit.
SunCombinedDemo - Demonstrate combined simulation for a sail in interplanetary orbit.
LocallyOptimalTrajectories - Demonstrate locally optimal trajectories. Uses equinoctial elements.
NLEqSADemo - Test a nonlinear equation solver for computing cone and clock.
Optimization - Demonstrate the trajectory optimization function for low thrust.
OptimizationTestGrid - Do 10 tests on GAOT, simulated annealing and downhill simplex.
PlotDeJong - Plot the 5 De Jong functions.
PropagationDemo - Orbit propagation test.
Sail2DOptimization - Demonstrate the Trajectory optimization function for sails in 2D orbits.
Sail3DOptimization - Demonstrate 3D optimization.
ZermeloCostDemo - Compute the Zermelo cost function as a function of lambda.
ZermeloOptimization - Demonstrate the Trajectory optimization using the Zermelo problem
BillowedSquareSail - A billowed, square, nonideal sail in the Y/Z plane.
CircularSail - Design a circular nonideal sail with billow using SailMesh.
ConeSail - Cone sail model
Cosmos1 - CAD model of the Cosmos-1 solar sail.
ECHOModel - A specular spherical sail, i.e. ECHO-2
FlatCP1Sail - A flat, square, nonideal sail in the Y/Z plane, using CP1 properties
FlatPlate - A flat, square, specular sail in the Y/Z plane.
PlateWithBoom - Design a gimbaled boom specular sail model with two bodies.
PlateWithBoomAndVanes - Design a specular sail model with a control boom and vanes.
PlateWithMasses - Design a specular (plate) sail model with two transverse control masses.
PlateWithVanes - Design a specular (plate) sail model with two control vanes.
QuadBillowedSail - A billowed quadrant sail demonstrating SailMesh. Uses CP1 properties.
S4Deploy - 40 m Scalable Sail, for deployment analysis.
SailWithBoom - Design a gimbaled boom sail model with two bodies.
SailWithFourVanes - Design a nonideal sail model with four control vanes.
SquareGEOSail - A flat, specular sail for GEO simulations.
StripedSail - Design a square sail with four striped quadrants. Uses CP1.
PlanetDemo - Demonstrate JPL ephemeris for the solar system.
S4Deployment - S4 (ATK's scalable sail) deployment demo.
SailMassAndArea - Sail dimensions as a function of payload mass
SVN Revision: 23297
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