LaunchVehicle Module

This API is for the Launch Vehicle Module for the Spacecraft Control Toolbox (with the Aircraft Control Modules).

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Directory List

Demos/GuidedSim

Guided3DSimDemo	Guided 3D simulation of an example 4 stage rocket
GuidedLaunch2DDemo	Simulation of a guided launch with GuidedLaunch2DSim

Demos/LVModels

LiftingReentrySimulation3D	A reentry simulation with lift and drag forces. Uses LiftingReentry3D.m
ReentryCartSimulation	A reentry simulation in Cartesian coordinates using LaunchVehicle3D.
ReentrySimulation	A reentry simulation in spherical coordinates. Uses RHSReentry.m.

Demos/LaunchOpt

GravityTurnDemo	Gravity turn trajectories.
LSQLaunchDemo	LSQ launch demo

Demos/LaunchSim

LaunchSimulation	Simulate a gravity turn trajectory in 2D.
SSTO3DLaunchSimulation	Launch vehicle simulation for single stage to orbit (SSTO) vertical launch
SSTOLaunchSimulation	Launch vehicle simulation for single stage to orbit (SSTO) vertical launch
SolveGravityTurn	Solve for the initial conditions to perform a gravity turn trajectory.

Demos/MultiStage

ISSMission	Explore Single Stage To Orbit (SSTO) for an ISS orbit
LunarTransferSSTO	Plan a simplified lunar transfer assuming you start in a geo transfer orbit.
StructuralFractionSSTO	Compute the payload fraction as a function of structural fraction.

Demos/TSTO

OptimalFPA	Compute the optimal flight path angle as a function of altitude.
TSTODemo	TSTO takeoff demo.
TSTOSimulation3D	End-to-end TSTO launch simulation.

Demos/VehicleDesign

ALASA	Three stage to orbit launch vehicle.
LiftAndDragForUpperStage	Compute lift and drag coefficients for an upper stage.

Demos/VehicleModels

DatabaseHistograms

Histograms of all available launch vehicle models

Hypersonic

NewtonianAeroPropertiesFromOBJFile	Computes the normal coefficient of a body in hypersonic flow.
NewtonianLD3D	Newtonian lift and drag for hypersonic flight in a standard atmosphere.
TurboRamjetSim	Simulates a turboramjet engine on a fixed flight path angle trajectory.

LVCoord

IncLatVelToAzimuthHeading	Compute azimuth and heading req.d at lat. and V to reach inclination.
LatLonToRangeAzimuth	Compute range and azimuth angle from a source site to a destination.
VEFToVGamAz	Compute the velocity mag, flight path angle and azimuth from a vector.

LVData

EngineData.mat - Thrust & sFC tables for ramjet and F135 turbofan. (Ref: see EngineExample.m)

TSTOEngineData.mat - Thrust & sFC tables for TSTO ramjet and turbofan. (Ref: see EngineExample.m)

TSTOFerryData.mat - Aerodynamic and mass data for a TSTO first stage

TSTOOrbiterData.mat - Aerodynamic and mass data for a TSTO second stage

UpperStage.obj - OBJ file for example upper stage.

pk80_direct_1250_300.mat - Saved data from LaunchGUI for direct launch

pk80_indirect_1250_300.mat - Saved data from LaunchGUI for indirect launch

srt_upper_no_gear.obj - OBJ file of SRT upper stage with gear up

LVDatabase

CreateRocketModel	Create a rocket model from individual fields.
FormatRocketDB	Reformat the data from the csv file into the standard data structure.
GetStage	Get all of the LV data fields for a particular stage.
LVDatabase.csv - CSV file of launch vehicles around the world as available online.
LVUnitedStates.csv - CSV file of US launch vehicles as available online.
RocketDatabase	Load the properties for a rocket: mS, thrust, ISP, exhaust velocity.
VonBraunRocket	The fictional Von Braun three-stage space shuttle.

LVGuidance

ThrustAngleConstant	Constant thrust angle control for 2D simulations.
ThrustAngleExplicit	Explicit guidance for a 2D launch simulation.
ThrustAngleGravity	Gravity turn thrust angle (0 degrees) for 2D simulations.
ThrustAngleVGain	Velocity to be gained for a 2D launch simulation.
ThrustControlConstantAngle	Thrust control function to apply thrust at a fixed angle above horizon.
ThrustControlGravityTurn	Thrust control function during gravity turn.
ThrustControlRaiseApogee	Thrust control function to raise the apogee using fminbnd.

LVModels

LiftAndDragSeaLevelToOrbit	Two dimensional lift and drag with skin friction.
RHSLiftingReentry3D	The right hand side of a 3D lifting launch vehicle model.
RHSReentry	Non dimensional reentry dynamics model.

LaunchOpt

FGravityTurn	Cost function for gravity turn to zero flight path angle.
FMinTOrbitInjection	Function to be minimized by fmins for MinTOrbitInjection.
GuidedLaunch2DCost	Cost function for the 2D launch via GuidedLaunchOpt2D.
GuidedLaunchOpt2D	Compute the parameters to perform a 2D launch into a circular orbit.
LSQLaunch	Use least squares approach to compute launch conditions.
LSQLaunchSim	Simulate launch trajectory given initial parameters, return final states.
LaunchOptions	Specify the options for a launch simulation using GuidedLaunch2D.
LaunchSummary	Print out summary of launch data. For use with GuidedLaunchOpt2D.
MinTOrbitInjection	Constant thrust minimum time orbit injection.
RHSMinTOrbitInjection	RHS for planar equations.

LaunchSim

GravityTurnSim2D	Perform a gravity-turn simulation using RHSLaunchVehicle2D.
GuidedLaunch2DRHS	The right hand side of a guided 2D launch model.
GuidedLaunch2DSim	Simulates a 2D guided launch with the specified payload mass.
GuidedLaunch3D	Simulate a guided launch to LEO, for 'examplerocket'.
GuidedLaunch3DRHS	Right hand side for 3D guided launch to orbit in ECI frame.
LaunchGUI	Select a launch vehicle, set initial conditions, simulate 2D launch.
LaunchRHSData	Create the data structure needed for launch simulations.
RHSLaunchVehicle2D	The right hand side of a 2D launch model with gravity turn.
RHSLaunchVehicle3D	The right hand side of a 3D launch model with gravity turn.
RocketDrag	Compute the drag on a rocket using a plate model or Jones/Sears/Haack.

MultiStage

BurnoutVelocity	Compute the burnout velocity for a multi-stage rocket.
MSData	Complete the stage data for a multi-stage launch vehicle.
MSThrustModel	Simple thrust model for multi-stage vehicle.
MSVRatio	Compute the velocity ratio for a multi-stage rocket.
OptimalPayloadRatio	Compute the optimal payload ratios for a multi-stage rocket.
PayloadMassForBurnoutVelocity	Compute the payload mass to achieve a given burnout velocity.
SS2O	Compute single-stage fuel mass needed to reach a velocity.

SubOrbital

SubOrbDistance	Compute the min angular distance (around the Earth) that connects 2 pts.
SubOrbLambert	Find initial velocity and flight path angle that gives desired distance
SubOrbMaxRange	Computes maximum range for a sub-orbital traj. given initial velocity.
SubOrbTrajAnalysis	Analyze the trajectories for around-the-Earth sub-orbital launches.
SubOrbVelocity	Compute initial velocity and flight time for a sub-orbital trajectory.

TSTO

BoostPhaseDeltaV	Compute DV required to enter circular orbit at hF given V0 and gamma0.
RHSOptimalFPA	Compute the delta-V required to raise the orbit to altitude "hF".
RHSTSTO	Compute state and mass derivatives for a two-stage launch vehicle.
TSTODragData	Generates TSTO drag data for use byLiftAndDragJonesSearsHaack.
TSTOFlightProfile	Computes the TSTO flight profile.
TSTOSizing	Size a horizontal launch/horizontal landing two stage to orbit vehicle.

Utilities

LaunchConstants	Uses persistent variables to store launch vehicle constants.
LaunchTime	Compute the time until launch, given launch site and desired orbit.
ReentryPlot	Plot values from reentry simulations.
StageTimes	Compute the ignition and burnout times given stage mass histories.
WriteEngineData	Write engine data to a table.

VehicleModels

LVCombineSRB	Combine the SRB(s) and first stage into a new first stage.
LVModelFeasibility	Compute the feasibility of a given LV model. Checks several conditions.
LVModelFeasibilityFix	Fix a launch vehicle model to make it feasible.
LVModelFeasibilityReport	Compute the feasibility of all models in the LVDatabase.csv
LVStageTimes	Compute the launch vehicle staging times from the model and coast times.
LVThrustToWeight	Compute takeoff thrust to weight ratio for a launch vehicle.
ParallelToSerialStages	Separate 2 parallel stages with partial overlap, into 2 serial stages.
RemoveStage	Remove a stage from a multi-stage data structure.
ScaleVehicle	Scale a vehicle's properties.
SetPayloadMass	Set payload mass in structure d.

SVN Revision: 8613

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