SCPro Module

Directory List

Demos/Landers

Lander2D	Landing demo using bilinear tangent thrust programming.
Lander3D	3D lander simulation.
LunarTakeoff3D	Lunar takeoff demo using bilinear tangent thrust programming.
Takeoff2D	Takeoff demo using bilinear tangent thrust programming.

Demos/ProActuators

BLDCMDemo	Brushless DC motor simulation.
DesignAirCoreTorquer	Design and draw an air core magnetic torquer
FrictionComparisonSim	Compare friction models
RWAResponse	Implements and simulates a spacecraft with 3 orthogonal reaction wheels.

Demos/ProAttitude

AttitudeProfileConstraintsDemo	Demonstrate the AttitudeProfileWithCon function.
DisturbanceModelComparison	Comparison of CubeSat and SCT Disturbance models
SpacecraftWithIMUDemo	3-axis spacecraft with an IMU simulation

Demos/ProControl

EarthTargetPointingSim	Point at an earth target and spin about the pointing vector.
MAPControlSim	Implements and simulates the MAP normal mode control.
NadirSunPointingDemo	An attitude and orbit simulation with reaction wheels.
SCPointingDemo	Demonstrate a spacecraft in orbit pointing at a target on the Earth
SolarMomentumControl	Controls the momentum in a spacecraft using solar pressure.
SpacecraftWithRWADemo	An attitude and orbit simulation with reaction wheels.
TelescopePointingSim	Simulate a momentum bias spacecraft with a telescope on a roll pivot
ThreeAxisControl	Implements and simulates a spacecraft with reaction wheels and thrusters.
VectorTracking	Demonstrate vector tracking using PID3Axis.

Demos/ProEnvirons

EuropaEnvironment	Europa atmospheric density and Jupiter magnetic field near Europa.
SolarFluxDemo	Solar flux variation over Earth orbit.

Demos/ProEphemeris

EclipseDurationSunSync

Dawn-Dusk SSO eclipse calculations

Demos/ProMisc

ProgramCosts

Compute program costs

Demos/ProMissions

DFDMarsMission	Direct Fusion Drive (DFD) Mars Mission using an Orion capsule.
DFDSpaceStation	Direct Fusion Drive-powered space station design.
EuropaMissionDesign	Design the Europa Clipper mission using a nuclear fusion engine.

Demos/ProSensors

GPSNavDemo	Demonstrate GPS navigation message model.
GPSTimeDilation	GPS time dilation.
PointCameraDemo	Demonstrate camera pointing. The default 10 deg FOV camera is used.
SolarSystemObservables	Displays navigation observables for two NASA missions.
ZoomLens	Compute the L3 lens position in a Cooke Triplet.

DynamicalModels

ConstraintForceAndTorque	Computes the constraint forces and torques.
GravityGradientAnalytical	Analytical eigenvalues for gravity gradient stabilization.
GravityGradientEigenvalues	Compute the eigenvalues for a gravity gradient stabilized spacecraft.
LinOrbNormalized	Computes the normalized linearized orbit state equations.
RHSNBodyCentralHub	Right hand side for a n bodies attached to a central hub.
RHSNSpacecraft	Computes the time derivative of n spacecraft.
RHSPlanetTakeoff	Right-hand-side for a 2 dimensional planet takeoff.
RHSPointMass	Spacecraft orbit dynamics with time-varying mass.
RHSRWA	Right-hand-side of spacecraft dynamical equations with reaction wheels.
RHSRWAIDotSC	Right-hand-side of the spacecraft dynamical equations.
RHSRWASC	Right-hand-side of the dynamical equations with three ReactionWheels.
RHSRigidBody6DOF	6 DOF spacecraft dynamics with a double integrator position model.
RHSRigidBodyLinear	Linearized attitude dynamics for a rigid body.
RHSRigidBodyMass	Spacecraft attitude and orbit dynamics with time-varying mass.
RHSRigidBodyOffsetCM	Right hand side of a rigid body with offset CM
RHSRigidBodyWithTarget	Right-hand-side of spacecraft dynamical equations with a second spacecraft.
RHSSpacecraftWithIMU	Right-hand-side for a spacecraft with an IMU
RHSSpacecraftWithRWA	Computes the right hand side for a spacecraft with reaction wheels.
RHSThreeBody	Right hand side for a three body system.
SeparationSim	Simulate separation of multiple satellites from a carrier.
ThreeAxisControlDisturb	Computes disturbances for ThreeAxisControl.m

Landers

BilinearTangentAltitude	Bilinear tangent law for maximizing altitude on launch.
BilinearTangentLaw	Bilinear tangent law for orbit insertion or landing.
BilinearTangentVector	Bilinear tangent law in vector form for orbit insertion or landing.
FuelTimeOptimalAccel	Computes the optimal acceleration for a fuel/time problem.
LandingControl	Landing controller.
LandingControlBilinear	Implements a bilinear tangent landing controller.
LandingControlGravityTurn	Gravity turn landing controller.
LandingForce	Landing force in the body frame.

MannedVehicle

ECLSSSizing

Sizes an Environmental Control and Life Support subsystem (ECLSS).

ProActuators

AirCoreMagneticTorquerDesign	Design a minimum mass air core magnetic torquer.
BLDCMFlux	Brushless DC Motor back emf.
BLDCMFriction	Brushless DC Motor friction
BLDCMInverter	Brushless DC Motor commutation using a 6 switch inverter.
BLDCMRHS	Brushless DC Motor simulation
MagneticTorquerDesign	Design a minimum mass magnetic torquer.
MagneticTorquerDipoleMoment	Compute the moment for a magnetic torquer.
PlotHysteresis	Create hysteresis plots.
RHSFriction	Computes dynamics with friction for two different models.
RWAWithPower	RWA with power and heat.
ReactionWheel	RWA model. This models an RWA using Hall sensors.
ReactionWheelFriction	Computes the friction for a reaction wheel.
ReactionWheelStress	Reaction wheel strength and momentum.
StepSim	Simulates a two phase stepper motor.
ThrusterAndRWACommand	Computes forces and torques for RWAs and thrusters using off-pulsing.
WheelSpeed	Compute the wheel speeds for a set of reaction wheels.

ProAttitude

AStarAttitudeTrajectory	Compute a trajectory to avoid stayout zones using AStar
AttitudeProfilePlots	Make time history plots of an attitude profile. See AttitudeProfileWithCon.m
AttitudeProfileVis	Visualize an attitude profile with constraints.
AttitudeProfileWithCon	Build a constrained attitude profile consisting of multiple overlapping modes.
AttitudeTarget	Generate a reference quaternion for a variety of targets.
GroundTrackErrorBudget	Generate a ground track error budget.
ManeuverCostSphere	Maneuver cost on a sphere
QAlignWithCon	Rotate about a body axis to align a body vector with an inertial vector
QRotateToAlignWithCon	Calculate the alignment quaternion while applying constraints

ProControl

PID3Axis	A PID Based 3 axis controller for rigid body.
ThrusterCommand	Computes forces and torques for a set a thrusters using off-pulsing.

ProEnvirons

AlbedoFromTextureMap	Creates an albedo map from a texture map.
AtmDensNeptune	Computes Neptune's atmospheric density using scale heights.
AtmJ70ToGround	Computes the atmospheric density using Jacchia's 1970 model or scale heights.
AtmScaleHeightsStdAtm	Computes the atmospheric density using scale heights above 80 km.
BDipoleJupiter	Computes Jupiter's magnetic field based on a tilted dipole model.
DistAero	Computes the aerodynamic disturbance using a Newtonian model.
DistAlbedo	Computes the albedo disturbance
DistRadiation	Computes the radiation disturbance from the central body.
DistSolar	Computes the albedo disturbance.
DistributedAlbedo	Computes albedo from a texture map.
LocalStarMap	Generates a local star map. Epoch is J2000.
NeptuneDensity	Compute the atm. density (kg/m^3) on Neptune given the altitude (km)
NewtonianForceECI	Computes the Newtonian force in ECI coordinates.
SolarFluxFromPlateECI	Computes the flux from a flat plate.
StarTexture	Create a star texture for use in other programs.
TerminatorPlanet	Computes the terminator circle on a planet.

ProEphemeris

AsteroidProperties	Asteroid properties.
EarthEclipseDuration	Compute the eclipse duration in earth orbit.
GalileanSatelliteOrbits	Low precision orbits of the four major Galilean satellites.

ProSensors

AiryDisk	Computes the diameter of the Airy Disk.
AreaOfRectCircInt	Computes the area of intersection of a rectangle and a circle.
AutoPoint	Compute the parameters necessary to place a camera at a target.
CameraDatabase	Get default camera properties for different camera models.
CameraImage	Generates the 2D coordinates in the focal plane for a camera.
CameraResolution	Resolution of an optical sensor.
CameraTransform	Generate a camera transformation.
CentroidNoise	Compute centroid noise terms for an optical sensor.
GPSOrbit	Position and velocity of a GPS satellite in the earth-fixed reference frame.
GPSReceiver	GPS receiver model. Models the GPS constellation.
GPSReceiverNav	GPS receiver model with navigation message model.
GPSSatellite	Gives the location of the GPS satellites at JD.
GravitationalTimeDilation	Gravitational time dilation.
IFOV	Instantaneous field of view of an optical sensor.
IMU	Inertial measurement unit model.
Illumination	Camera illumination model.
IntensityDistribution	Computes the pixel map intensity.
NavObservables	Computes optical navigation observables.
NavigationMeasurement	Navigation measurement model.
PointCameraModel	Compute the MATLAB camera pointing parameters from the camera model.
RHSClockDrift	Gravitational and velocity clock drift.
RangeMeasurement	Computes range and range rate measurements.
Spectrum	Gives the spectrum for radiation using conventional names.
StellarIrradiance	Computes the stellar irradiance.
ToneRanging	= 299793.458;
VelocityTimeDilation	Velocity time dilation.

ProTools

AlphaBetaToU	Compute a unit vector given alpha and beta angles.
AltitudeSH	Computes the altitude over a spherical harmonic terrain map.
CreateVCDisturbanceFile	Create a VisualCommander disturbance file from a cad model.
DrawFieldLines	Draw field lines on a sphere.
GlideSlope	Compute the glide slope angle.
NRLArray	Generates data for the NRL SolarCon solar array.
NeptuneAirshipSizing	Size an airship to operate with neutral buoyancy on Neptune.
PlanetWithTerrain	Generate vertices and faces for a planet with terrain.
TargetSlew	Compute a slew to a target.
TileOBJSphere	Creates a segmented unit sphere Wavefront obj and mtl files.

Systems

AddRobotArm	Add a multi-element arm to a CAD models.
JHAPLSatelliteMass	Mass of JHU APL satellites.
SatelliteSubsystemMass	Create masses for a satellite.

SVN Revision: 42425

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