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Analysis, Collision, Control, Coord, DataStructures, Dynamics, EccDynamics, Guidance, Help, IntegratedSim, LP, Transformation, Utility, Visual, Demos/Collision, Demos/Control, Demos/Coord, Demos/Dynamics, Demos/Eccentric, Demos/Guidance, Demos/LP,
AnalyzeVariableTimeDV - Plot the behavior of the first and third delta-v in a 3-burn sequence
CheckDeltaVs - Plot the trajectory that will result from a planned maneuver.
CompareHills - Compare closed form Hills equations with other methods of propagation.
DFFSim - Simulation routine for testing DFF guidance and control laws.
DeltaVAnalysis - Compute the total delta-v assoc. w/ several types of reconfigurations.
DriftRateSigma - Find the standard deviation of along-track drift per orbit due to rel nav errors.
FFEccFrameCompare - Compare two methods of computing the relative motion in an eccentric orbit.
FFMaintenancePlotter - Plot the results from "FFMaintenanceSim".
FFMaintenanceSim - Formation flying maintenance simulation.
FFMaintenanceTests - Returns data associated with various test runs for "FFMaintenanceSim".
FindDriftTerm - Find the "deadband over drift rate sigma" term that results in the specified
LPvsCF - Compare the delta-v and trajectory for two methods of relative orbit control.
RelativeVelocityError - Compute max. navigation error that maintains the specified performance.
TestFFEccLinOrb - Test the FFEccLinOrb function. An initial reference state in the ECI frame
TestLPCircular - Test the LPEccentric function. Provide the reference orbital elements, an
TestLPEccentric - Test the LPEccentric function.
TestLPEccentricGVE - Test the LPEccentricGVE function.
CoarseProb - Coarse probability estimate consisting of the integral outbound of the
CollMonDemo - Collision monitoring demo: compare CollisionSurvey and coarse methods
CollProbSet - Calculates the probability of collision given two ellipsoid sets. For
CollProbVol - Calculates the probability of collision given two ellipsoids
CollisionInit - Sample data for collision algorithm initialization
CollisionMonAlg - Collision monitoring algorithm. Discretizes orbit according to input
CollisionMonitor - Runs the collision monitoring algorithm. Checks the ellipsoids for self
CollisionMonteCarlo - Perform a Monte-Carlo analysis of a relative orbit dynamics simulation
CollisionSurvey - Runs the collision monitoring algorithm for n spacecraft relative
ConjuntionPlane - Transformation matrix for relative conjunction geometry. The inertial
DistantPtToEll - Finds the distance (and the corresponding point) from a distant
EllipsePatch - 2D elliptical patch, with axes a along x and b along y
EllipsePropCirc - Function finds the propagated state uncertainty ellipsoid
Ellipsoid - Calculates an ellipsoid given the ellipsoid matrix, semimajor axes, the unit
GenerateTimeVector - Generate a time vector evenly spaced over true anomaly
HillsDisturb - Disturbances in Hills frame. Includes uncertainty.
Laguerre - Finds the polynomial roots using Laguerre's method. There is a fix in
MinDEllipsoid - Computes the minimum distance between two ellipsoids
Plot3DEllipsoids - Plots ellipsoids given the ellipsoid centers and matrices
PredictCollision - Runs the collision monitoring algorithm. Propagates forward for a fixed time
RelativeDisturb - Relative disturbances for use with a relative state.
VerifyCollStruct - Ensure consistency in collision data structure fields.
ViewEllipsoid - Plots ellipsoids for Collision Monitoring given the ellipsoid centers and
WorstCasePerturbations - Differential accelerations for spacecraft in formation assuming the
ImpulsiveLPManeuver - Computes the delta-v sequence for a relative orbit maneuver.
ImpulsiveManeuver - Computes a delta-v sequence for a relative orbit maneuver in a circular orbit
InPlane - Computes the delta-v's required for an in-plane maneuver.
IterativeImpulsiveManeuver - Computes the delta-v's required to implement a formation flying maneuver for
LinOrbLQG - Generate an LQG controller for linearized relative orbit dynamics.
Lyapunov - Compute a constant gain feedback controller for relative orbital motion.
OptimalInPlaneDeltaV - Computes the delta-v's and half-orbit delays for an in-plane maneuver.
OutOfPlane - Computes the delta-v's required for an out-of-plane maneuver.
AddGoals - Add one set of geometric goals to the other.
AlignThruster - Computes the desired Hills-to-Body frame quaternion for a thruster firing.
CirclePhase - Compute the desired phase on the circle from the desired phase on the ellipse.
EllipsePhase - Compute the desired phase on the ellipse from the desired phase on the circle.
GetHillsMats - This function takes the position and velocity of a satellite in the ECI
GetLVLHMats - This function takes the position and velocity of a satellite in the ECI
InitializeFormation - Generate the initial orbital elements for a cluster of spacecraft given
IsCircGeom - Check whether the supplied data structure is for circular geometry or not.
IsEccGeom - Check whether the supplied data structure is for eccentric geometry or not.
LFState - Computes the position and velocity of a satellite in the Hills frame for a
OrbElemDiff - Computes the differences between orbital element vectors.
PCState - Computes the position and velocity of a satellite on the local ellipse
ProjCirc - Calculates orbital elements for projected circular formation.
ProjLine - Calculates orbital elements for an in-line formation.
QFrenet - Generate the quaternion that transforms from the ECI to the Frenet frame.
QHillsToBody - Compute the Hills-to-Body quaternion given the ECI position and velocity, and
RotateState - Rotate a geometric state to the circular phase angle phi.
ScaleState - Scale a relative state represented by a geometric goal set. This
SubGoals - Subtract one set of geometric goals from the other.
TeamGoals2Geom - Extract the geometry data from the team goals data structure
ThrusterAlignment - Computes body vectors to align with velocity and nadir for a thruster firing.
BurnData_Structure - Initialize a burn data structure.
Command_Structure - Command data structure for external commands supplied to DFF system.
Constraints_Structure - Initialize a constraints data structure.
CostEstimate_Structure - Initialize a cost estimate data structure.
DeltaVCommand_Structure - Initialize a delta-v command data structure.
EccGeometry_Structure - Initialize an eccentric geometry data structure.
EccTeamGoals_Structure - Initialize a team goals data structure (for eccentric geometries)
Geometry_Structure - Initialize a geometry data structure.
ISLMessage_Structure - The ISL message data structure format.
Maneuver_Structure - Initialize a maneuver data structure.
Orientation_Structure - Initialize an orientation command data structure.
PlanningParameters_Structure - Initialize a planning parameters data structure.
State_Structure - Initialize a state data structure.
TeamGoals_Structure - Initialize a team goals data structure.
Team_Structure - Initialize a team data structure.
Window_Structure - Initialize a window data structure.
DiscreteHills - Computes the state trajectory (xS) of a satellite given the initial state (x0)
FFIntegrate - Integrate two neighboring orbits, with applied relative accelerations
GVEDynamics - Compute continuous-time relative dynamics for Gauss' variational equations
HillsEqns - Closed form solution of relative orbital motion using Hills equations.
RelativeOrbitRHS - Continuous-time linear model of Hills equations in Hills frame.
FFEccDDX - Compute the second derivative of x with respect to true anomaly.
FFEccDDY - Compute the second derivative of y with respect to true anomaly.
FFEccDDZ - Compute the second derivative of z with respect to true anomaly.
FFEccDX - Compute the first derivative of x with respect to true anomaly.
FFEccDY - Compute the first derivative of y with respect to true anomaly.
FFEccDYDX - Compute the slope of an ellipse, dy/dx, at a particular true anomaly.
FFEccDYDX2 - Compute the second derivative of y with respect to x on an ellipse.
FFEccDZ - Compute the first derivative of z with respect to true anomaly.
DiscreteGVE - Computes the relative state trajectory in an eccentric reference orbit.
FFEccDH - Compute integration constant dH for homogeneous solution to LTV diff eqs
FFEccDMatPeriodic - Given an initial Hills state (xH0) at a particular true anomaly (nu0)
FFEccDiscreteHills - Computes the relative state trajectory in an eccentric reference orbit.
FFEccGoals - Compute integration constants and initial state given the geometric goals.
FFEccH - Compute the H term for the homogeneous solution to LTV diff eqs
FFEccIntConst - Compute integration constants for homogeneous solution to LTV diff eqs
FFEccLawdensEqns - Compute Hills frame state given initial state, true anomaly, and eccentricity
FFEccLinOrb - Compute the continous A,B matrices for linearized relative motion in an
FFEccProp - Compute Hills frame state at nu given integ. constants and eccentricity.
FFEccRMat - Compute the state-transition matrix, R, given the eccentricity and true anomaly.
FFEccXExt - Compute extreme x-values and associated true anomalies for given relative motion.
FFEccYExt - Compute extreme y-values and associated true anomalies for given relative motion.
FFEccZExt - Compute extreme z-values and associated true anomalies for given relative motion.
AutoFormGeometry - Define new geometric goals for a single satellite, such that any semi-major
CostMatrixRows - Given the team goals, determines the starting row (a) and ending row (b)
DistributeClusterGoals - Given a set of geometric goals for the cluster, with corresponding target
EstimateCost - Estimate the (weighted) cost to achieve all specified unique target states.
FFEccEstimateCost - Estimate the weighted cost to achieve all specified unique target states
FFEccGenerateTeamGoals - Generate a Team Goals data structure given the formation type and size.
FFEccHexahedronGeometry - Compute the geometric goals for a formation that achieves a hexahedron
FFEccTetrahedronGeometry - Compute the geometric goals for a formation that achieves a tetrahedron shape
FindMinSet - Find the order of columns in a square matrix which minimizes
GenerateTeamGoals - Generate a Team Goals data structure given the formation type and size.
InitializeCostMatrix - Given the team goals, initialize the cost matrix "f" with the right size.
IsDuplicateState - Determine whether two geometric goal sets are duplicates or not.
NearestOffset - Determine the nearest along-track offset for a trajectory that is safe.
OptimalAssignment - Compute the optimal configuration for a group of objects.
PCGoals - Generate the geometric goals for a cluster in a projected circular formation.
PopulateCostMatrix - Fill in a single column of the cost matrix.
PrivilegedAssignment - Assign target states to satellites using the priveleged assignment method.
RestrictIDSet - Given an initial set of relative spacecraft IDs, examine the constraints
SetupAssignmentProblem - Set up the parameters for the assignment problem given the team goals struct.
SortTeamGoals - Sort the team goals with fixed states listed before variable states.
FileHelp - View the file headers.
HelpSystem - Creates the help system
DFFThrusters - Thruster pulsewidth model for DFF.
IdealActuator - Ideal actuator
CheckAlignment - Post simulation analysis. First load a data file from a DFF simulation into
MessageAnalysis - Post-simulation message analysis for DFF.
TestDFFModules - Test each DFF Module individually, in batch mode.
AutoDualPCCommandList - Command list for the following scenario.
AutoFormCommandList - Command list for testing autonomous formation and bridging of teams.
ClusterGoalsDemoCommandList - Command list for demonstrating the achievement of cluster goals in a
CollisionCommandList - Command list for monitoring a collision. Same as ProjCircCommandList
CollisionDemoCommandList - Command list for collision monitoring demo scenario.
CollisionDetectCommandList - Command list for Collision Detection Simulation
DefaultCommandList - Command list template.
DemoManeuverCommandList - Command list for the testing the controller. Two spacecraft initialized
EccentricTetrahedronCommandList - Command list for achieving a tetrahedron formation in an eccentric orbit
MainDemoCommandList - Command list for the main demo. Involves autonomous team formation
ProjCircCommandList - Command list for achieving a dual-plane projected circle,
SimpleManeuverCommandList - Command list for implementing a simple maneuver with 2 spacecraft.
TeamManagementCommandList - Command list for exercising the team management functionality.
TestADCSCommandList - Command list for testing the proper function of the ADCS.
TestControlCommandList - Command list for the testing the controller. Two spacecraft initialized
TestMonitoringCommandList - Command list for Collision Detection Simulation
TestOrbAttControlCommandList - Command list for the testing the controller. Two spacecraft initialized
TestTeamMgtCommandList - Command list for testing the functionality of the Team Management agent.
DFFAttitudeTarget - Generate a reference quaternion for a variety of targets. There
DFFControl - The executive function that initializes and runs the DFF software modules.
DFFRHS - Right-hand-side of the spacecraft dynamic equations for the DFF system.
DFFSimGUI - Computes the time left to go in the simulation, the predicted finish
DFFSimulation - Initialize and run a multiple spacecraft simulation with the DFF software.
DefaultTankData - Generate a data structure for fuel tank info.
ParameterUploadDictionary - Load the dictionary of parameters that may be uploaded to the DFF system.
SoftwareCommandDictionary - Load the dictionary of known software commands for the DFF system.
SpacecraftParameters - Obtain the specified set of fixed spacecraft parameters (for DFF system).
TelemetryDictionary - Load the dictionary of telemetry data to be gathered for the DFF system.
AutoDualPCSimStruct - Define the simulation data structure for the following scenario.
AutoFormSimStruct - Set up the data structure for a DFF simulation involving autonomous
ClusterGoalsDemoSimStruct - Set up the data structure for a demonstration of achieving cluster goals
CollisionDemoSimStruct - ProjCircSimStruct with a new command list to run collision survey.
CollisionDetectSimStruct - Set up a DFF simulation data structure to demonstrate collision detection
CollisionSimStruct - ProjCircSimStruct with a new command list to run collision survey.
DFFSimStruct - Set up the data structure for a DFF simulation. All inputs are optional.
DemoManeuverSimStruct - Set up the data structure for testing the controller.
EccentricTetrahedronSimStruct - Initialize a DFF simulation data structure for a 4 spacecraft
MainDemoSimStruct - Define the simulation data structure for the main demo
ProjCircSimStruct - Set up the data structure for a DFF simulation involving a
SimpleManeuverSimStruct - Set up the data structure for testing the controller.
TeamManagementSimStruct - Set up the data structure for a Team Management demonstration of the DFF system.
TestADCSSimStruct - Set up the data structure for a DFF simulation which tests the
TestCollisionSimStruct - Set up a DFF simulation data structure to demonstrate collision detection
TestControlSimStruct - Set up the data structure for testing the controller.
TestOrbAttControlSimStruct - Set up the data structure for testing both orbit and attitude control.
TestTeamMgtSimStruct - Set up the data structure for a DFF simulation which tests the
RK4_DFFRHS - Fourth order Runge-Kutta for the DFF simulation right-hand-side.
StateSensor - State sensor. Gives the ideal states of the system.
DFFAttitudeController - This routine implements attitude control for the DFF system. PID
DFFAttitudeCoordination - The attitude coordination component of the decentralized framework.
DFFAttitudeManagement - The attitude management component of the decentralized framework.
DFFAttitudeManeuver - This routine performs attitude maneuver planning. It takes a target
DFFCollisionAvoidance - The Collision Avoidance module for the DFF system.
DFFCollisionMonitor - The Collision monitoring component for the decentralized framework
DFFCommandProcessing - Receive ground commands and route them to the appropriate module(s).
DFFControlLaw - The decentralized control law.
DFFCoordinateTransformation - The coordinate transformation element of the software.
DFFDeltaVManagement - The delta-v management component of the control software.
DFFGuidanceLaw - The decentralized guidance law.
DFFISLManagement - The ISL management software for the decentralized framework.
DFFModuleTemplate - Template for DFF software module. Describe the basic functionality here.
DFFParameterDatabase - The parameter database for the decentralized formation flying framework.
DFFRelativeNavigation - This routine estimates the absolute orbit of the local satellite, as
DFFTeamManagement - The team management software for the decentralized satellite framework.
LPCircular - Computes the thrust trajectory to go from an initial state x0
LPCircularTimeWeight - Determine the target state on the desired trajectory that gives the minimum
LPEccentric - Computes the thrust trajectory to go from an initial state x0
LPEccentricGVE - Computes the thrust trajectory to go from an initial state x0 to a
LPEccentricTimeWeight - Determine the target state on the desired trajectory that gives the minimum
AbsRelECI2Hills - This function takes the absolute position and velocity in the ECI frame along
DeltaAlfriend2El - Compute standard differential elements from Alfriend differential elements.
DeltaEl2Alfriend - Compute Alfriend differential elements from standard differential elements.
DeltaElem2Goals - Reconstructs the geometric goals from the element differences.
DeltaElem2Hills - Computes the Hills frame state from orbital element differences and
ECI2Hills - Compute the relative state in Hills frame given two ECI state vectors.
ECI2LVLH - This function takes two ECI state vectors, and returns the relative state in
ECI2MeanElements - Computes mean orbital elements from reference ECI position and velocity
FFEccDeltaElem2Goals - Convert element differences to eccentric geometric goals.
FFEccDeltaElem2Hills - Convert element differences to Hills frame coordinates in an eccentric orbit.
FFEccFrenet2Goals - Compute geometric goals given Frenet frame state and orbit info
FFEccGoals2Hills - Compute Hills frame state (time-domain) given geometric goals and orbit info
FFEccHills2DeltaElem - Compute element differences from Hills frame state and ref. elements
FFEccHills2Goals - Compute geometric goals given Hills frame state and orbit info
Frenet2Hills - Rotate the Frenet frame state to the Hills frame, where x is radial
GeometryCirc2Ecc - Convert a circular geometry structure to an eccentric geometry structure.
GeometryEcc2Circ - Convert an eccentric geometry structure to a circular geometry structure.
Goals2DeltaElem - Computes the desired orbital element differences, given the formation flying
Goals2Hills - Computes the desired relative position and velocity in Hills frame, given the
Hills2DeltaElem - Computes the orbital element differences from the Hills frame state and the
Hills2ECI - Given the reference state in ECI, converts a Hills frame state to ECI.
Hills2Frenet - Rotate the Hills frame state to the Frenet frame, where x is along-track
Hills2Goals - Reconstructs the geometric goals from the relative position and velocity in
Hills2LVLH - Converts a state vector from the Hills to the LVLH coordinate frame.
LVLH2ECI - Given the reference state in ECI, converts an LVLH frame state to ECI.
LVLH2Hills - Converts a state vector from the LVLH to the Hills coordinate frame.
Mean2Osc - Transforms mean orbital elements to osculating orbital elements.
Mean2OscS - Transforms mean orbital elements to osculating orbital elements.
Osc2Mean - Transforms osculating orbital elements to mean orbital elements.
TransformGeom2Hills - Transform geometric goals to hills-frame coordinates.
AccelVector2ManeuverStruct - Build a "maneuver" data structure from acceleration and time vectors.
ApplyDeltaV - Apply delta-v over a specified time interval with a simulation timestep
DataSize - Find the size in bytes of a piece of data.
FFEccTargetTrueAnom - Compute the future true anomaly (unwrapped) at the specified number of orbits
Hexahedron - Compute the 5 points of a regular tetrahedron, the surface area and volume.
JD2SS1970 - Converts a Julian Date to seconds since 00:00:00 GMT, Jan. 1, 1970.
ManeuverStruct2AccelVector - Compute a 3xN acceleration vector from a "maneuver" data structure.
MeanAnom2TrueLat - Convert mean anomaly to true latitude.
NOrbVector - Compute a vector of maneuver durations from time window data
NewtRaph2 - Finds the solution to f(x) = 0 given df(x)/dx when only one
Nu2TimeDomain - Convert a relative state from the nu-domain to the time-domain.
NuDot - Compute the time-derivative of the true anomaly.
RVOrbGenDV - Generate an orbit by propagating Keplerian elements with impulsive delta-vs.
SS19702JD - Converts seconds since 00:00:00 GMT, Jan. 1, 1970 to a Julian date.
Tetrahedron - Compute the 4 points of a regular tetrahedron, the surface area and volume.
Time2NuDomain - Convert a relative state from the time-domain to the nu-domain.
TimeUntilTheta - Computes the time in seconds until the latitude "theta2" is reached from the
CostVis - Visualize the cost to achieve each target state on the trajectory.
DisplayPlugin - Display Plugin for the Formation Design GUI.
FFEccAnalyzeShape - Interactively analyze the shape of a relative trajectory in an eccentric reference orbit.
FFEccShapes - Compute the shape of the relative motion in the orbital plane.
FormationDesignGUI - Formation Design GUI.
FormationDesign_hlp - Formation Design GUI
GeometryPlugin - Geometry Plugin for the Formation Design GUI.
HillsFramePlot - Plot the trajectory in Hills frame and show the x-z, x-y projections.
IllustrateEccentricGeometry - Illustrate the geometric parameters that define a naturally repeating
OrbitDataPlugin - Orbit Data Plugin for the Formation Design GUI.
RelativeStatePlugin - Relative State Plugin for the Formation Design GUI.
SatellitePlugin - Satellite Plugin for the Formation Design GUI.
ShowTeams - Graphically show the hierarchy of teams.
TeamLevels - Assign a hierarchical level to each team in the array.
TeamPlugin - Team Plugin for the Formation Design GUI.
ViewFormation - View the 3-D trajectory of a formation in Hills frame.
ViewGeometry - View the geometry created by a formation of spacecraft
ViewHills - Given the reference orbital elements, a time span, and the spacecrafts'
ViewRelativeMotion - View the relative motion associated with a set of geometric goals and a
ViewRotatingHillsFrame - Animate a satellite's relative trajectory in the inertial frame.
AssignmentDemoMvr - Extension of AssignmentDemo to include collision monitoring.
CollDetectSim - Simulation for testing the collision monitoring algorithms.
CollisionCompareDemo - Collision monitoring demo: compare CollisionSurvey and coarse methods.
DistantPtToEllDemo - Ellipsoid minimum distance demo
ReconfigCollisionDemo - Collision monitoring demo for highly eccentric reconfiguration.
SetProbabilityDemo - Set membership probability demo. Verify shape of function.
EccentricControlAnalysis - Analyze the performance of relative orbit control in eccentric orbits
ExampleFFAnalysis - Demonstrate the use of FFMaintenanceSim to analyze disturbance effects.
LQGEccDemo - Demonstrate LQG control of relative motion in an eccentric orbit
LQGOrbitControlDemo - Relative orbit control using LQG
RotateStateDemo - Demonstrate the RotateState function
TransECIToHills - Two orbits are initialized with a small inclination difference. The orbits
FFHEOSolarDist - Simulate relative motion in a HEO orbit with solar pressure disturbance
PropagationExample - Compares the relative motion predicted by propagation of the discrete state-space system with the motion predicted by Hills equations.
EccTrajDemo - Demonstrate an example relative trajectory with an eccentric reference orbit
FFEccAssignmentDemo - Demonstrate the different solutions found by the optimal assignment method and the privileged assignment method, in an eccentric orbit.
FFEccInitDemo - Demonstrate how relative motion changes when the same relative state is initialized at different true anomalies.
FFEccPropDemo - Compare discrete propagation with continuous solution.
FFEccReconfigDemo - Compute several reconfiguation maneuvers of varying duration for an elliptical reference orbit.
AssignmentDemo - Demonstrate the different solutions found by the optimal assignment method and the privileged assignment method.
DFFReconDemo - Run a formation flying simulation with "DFFSim".
LPConvergenceDemo - Examine the "convergence rate" for an impulsive LP solution
LPPerformanceDemo - Analyze the performance of the LPEccentric algorithm.
SVN Revision: 23297
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