FlightGear next
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Encapsulates various uncategorized scheduled functions. More...
#include <FGAuxiliary.h>
Inherits JSBSim::FGModel.
Classes | |
struct | Inputs |
Public Member Functions | |
FGAuxiliary (FGFDMExec *Executive) | |
Constructor. | |
~FGAuxiliary () | |
Destructor. | |
bool | InitModel (void) override |
bool | Run (bool Holding) override |
Runs the Auxiliary routines; called by the Executive Can pass in a value indicating if the executive is directing the simulation to Hold. | |
double | GetVcalibratedFPS (void) const |
Returns Calibrated airspeed in feet/second. | |
double | GetVcalibratedKTS (void) const |
Returns Calibrated airspeed in knots. | |
double | GetVequivalentFPS (void) const |
Returns equivalent airspeed in feet/second. | |
double | GetVequivalentKTS (void) const |
Returns equivalent airspeed in knots. | |
double | GetVtrueFPS () const |
Returns the true airspeed in feet per second. | |
double | GetVtrueKTS () const |
Returns the true airspeed in knots. | |
double | GetTotalPressure (void) const |
Returns the total pressure. | |
double | GetTotalTemperature (void) const |
Returns the total temperature. | |
double | GetTAT_C (void) const |
double | GetPilotAccel (int idx) const |
double | GetNpilot (int idx) const |
double | GetAeroPQR (int axis) const |
double | GetEulerRates (int axis) const |
const FGColumnVector3 & | GetPilotAccel (void) const |
const FGColumnVector3 & | GetNpilot (void) const |
const FGColumnVector3 & | GetNcg (void) const |
double | GetNcg (int idx) const |
double | GetNlf (void) const |
const FGColumnVector3 & | GetAeroPQR (void) const |
const FGColumnVector3 & | GetEulerRates (void) const |
const FGColumnVector3 & | GetAeroUVW (void) const |
const FGLocation & | GetLocationVRP (void) const |
double | GetAeroUVW (int idx) const |
double | Getalpha (void) const |
double | Getbeta (void) const |
double | Getadot (void) const |
double | Getbdot (void) const |
double | GetMagBeta (void) const |
double | Getalpha (int unit) const |
double | Getbeta (int unit) const |
double | Getadot (int unit) const |
double | Getbdot (int unit) const |
double | GetMagBeta (int unit) const |
const FGMatrix33 & | GetTw2b (void) const |
Calculates and returns the wind-to-body axis transformation matrix. | |
const FGMatrix33 & | GetTb2w (void) const |
Calculates and returns the body-to-wind axis transformation matrix. | |
double | Getqbar (void) const |
double | GetqbarUW (void) const |
double | GetqbarUV (void) const |
double | GetReynoldsNumber (void) const |
double | GetVt (void) const |
Gets the magnitude of total vehicle velocity including wind effects in feet per second. | |
double | GetVground (void) const |
Gets the ground speed in feet per second. | |
double | GetMach (void) const |
Gets the Mach number. | |
double | GetMachU (void) const |
The mach number calculated using the vehicle X axis velocity. | |
double | GetNx (void) const |
The longitudinal acceleration in g's of the aircraft center of gravity. | |
double | GetNy (void) const |
The lateral acceleration in g's of the aircraft center of gravity. | |
double | GetNz (void) const |
The vertical acceleration in g's of the aircraft center of gravity. | |
const FGColumnVector3 & | GetNwcg (void) const |
double | GetHOverBCG (void) const |
double | GetHOverBMAC (void) const |
double | GetGamma (void) const |
double | GetGroundTrack (void) const |
double | GetGamma (int unit) const |
void | SetDayOfYear (int doy) |
void | SetSecondsInDay (double sid) |
int | GetDayOfYear (void) const |
double | GetSecondsInDay (void) const |
double | GetLongitudeRelativePosition (void) const |
double | GetLatitudeRelativePosition (void) const |
double | GetDistanceRelativePosition (void) const |
void | SetAeroPQR (const FGColumnVector3 &tt) |
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FGModel (FGFDMExec *) | |
Constructor. | |
~FGModel () override | |
Destructor. | |
bool | InitModel (void) override |
void | SetRate (unsigned int tt) |
Set the ouput rate for the model in frames. | |
unsigned int | GetRate (void) |
Get the output rate for the model in frames. | |
FGFDMExec * | GetExec (void) |
void | SetPropertyManager (FGPropertyManager *fgpm) |
virtual SGPath | FindFullPathName (const SGPath &path) const |
const std::string & | GetName (void) |
virtual bool | Load (Element *el) |
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virtual | ~FGModelFunctions () |
void | RunPreFunctions (void) |
void | RunPostFunctions (void) |
bool | Load (Element *el, FGFDMExec *fdmex, std::string prefix="") |
void | PreLoad (Element *el, FGFDMExec *fdmex, std::string prefix="") |
void | PostLoad (Element *el, FGFDMExec *fdmex, std::string prefix="") |
std::string | GetFunctionStrings (const std::string &delimeter) const |
Gets the strings for the current set of functions. | |
std::string | GetFunctionValues (const std::string &delimeter) const |
Gets the function values. | |
FGFunction * | GetPreFunction (const std::string &name) |
Get one of the "pre" function. | |
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FGJSBBase () | |
Constructor for FGJSBBase. | |
virtual | ~FGJSBBase () |
Destructor for FGJSBBase. | |
void | PutMessage (const Message &msg) |
Places a Message structure on the Message queue. | |
void | PutMessage (const std::string &text) |
Creates a message with the given text and places it on the queue. | |
void | PutMessage (const std::string &text, bool bVal) |
Creates a message with the given text and boolean value and places it on the queue. | |
void | PutMessage (const std::string &text, int iVal) |
Creates a message with the given text and integer value and places it on the queue. | |
void | PutMessage (const std::string &text, double dVal) |
Creates a message with the given text and double value and places it on the queue. | |
int | SomeMessages (void) const |
Reads the message on the queue (but does not delete it). | |
void | ProcessMessage (void) |
Reads the message on the queue and removes it from the queue. | |
Message * | ProcessNextMessage (void) |
Reads the next message on the queue and removes it from the queue. | |
void | disableHighLighting (void) |
Disables highlighting in the console output. | |
Public Attributes | |
struct JSBSim::FGAuxiliary::Inputs | in |
Additional Inherited Members | |
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enum | { eL = 1 , eM , eN } |
Moments L, M, N. More... | |
enum | { eP = 1 , eQ , eR } |
Rates P, Q, R. More... | |
enum | { eU = 1 , eV , eW } |
Velocities U, V, W. More... | |
enum | { eX = 1 , eY , eZ } |
Positions X, Y, Z. More... | |
enum | { ePhi = 1 , eTht , ePsi } |
Euler angles Phi, Theta, Psi. More... | |
enum | { eDrag = 1 , eSide , eLift } |
Stability axis forces, Drag, Side force, Lift. More... | |
enum | { eRoll = 1 , ePitch , eYaw } |
Local frame orientation Roll, Pitch, Yaw. More... | |
enum | { eNorth = 1 , eEast , eDown } |
Local frame position North, East, Down. More... | |
enum | { eLat = 1 , eLong , eRad } |
Locations Radius, Latitude, Longitude. More... | |
enum | { inNone = 0 , inDegrees , inRadians , inMeters , inFeet } |
Conversion specifiers. More... | |
static const std::string & | GetVersion (void) |
Returns the version number of JSBSim. | |
static constexpr double | KelvinToFahrenheit (double kelvin) |
Converts from degrees Kelvin to degrees Fahrenheit. | |
static constexpr double | CelsiusToRankine (double celsius) |
Converts from degrees Celsius to degrees Rankine. | |
static constexpr double | RankineToCelsius (double rankine) |
Converts from degrees Rankine to degrees Celsius. | |
static constexpr double | KelvinToRankine (double kelvin) |
Converts from degrees Kelvin to degrees Rankine. | |
static constexpr double | RankineToKelvin (double rankine) |
Converts from degrees Rankine to degrees Kelvin. | |
static constexpr double | FahrenheitToCelsius (double fahrenheit) |
Converts from degrees Fahrenheit to degrees Celsius. | |
static constexpr double | CelsiusToFahrenheit (double celsius) |
Converts from degrees Celsius to degrees Fahrenheit. | |
static constexpr double | CelsiusToKelvin (double celsius) |
Converts from degrees Celsius to degrees Kelvin. | |
static constexpr double | KelvinToCelsius (double kelvin) |
Converts from degrees Kelvin to degrees Celsius. | |
static constexpr double | FeetToMeters (double measure) |
Converts from feet to meters. | |
static double | PitotTotalPressure (double mach, double p) |
Compute the total pressure in front of the Pitot tube. | |
static double | MachFromImpactPressure (double qc, double p) |
Compute the Mach number from the differential pressure (qc) and the static pressure. | |
static double | VcalibratedFromMach (double mach, double p) |
Calculate the calibrated airspeed from the Mach number. | |
static double | MachFromVcalibrated (double vcas, double p) |
Calculate the Mach number from the calibrated airspeed.Based on the formulas in the US Air Force Aircraft Performance Flight Testing Manual (AFFTC-TIH-99-01). | |
static bool | EqualToRoundoff (double a, double b) |
Finite precision comparison. | |
static bool | EqualToRoundoff (float a, float b) |
Finite precision comparison. | |
static bool | EqualToRoundoff (float a, double b) |
Finite precision comparison. | |
static bool | EqualToRoundoff (double a, float b) |
Finite precision comparison. | |
static constexpr double | Constrain (double min, double value, double max) |
Constrain a value between a minimum and a maximum value. | |
static constexpr double | sign (double num) |
static double | GaussianRandomNumber (void) |
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static char | highint [5] = {27, '[', '1', 'm', '\0' } |
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static char | halfint [5] = {27, '[', '2', 'm', '\0' } |
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static char | normint [6] = {27, '[', '2', '2', 'm', '\0' } |
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static char | reset [5] = {27, '[', '0', 'm', '\0' } |
resets text properties | |
static char | underon [5] = {27, '[', '4', 'm', '\0' } |
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static char | underoff [6] = {27, '[', '2', '4', 'm', '\0' } |
underline off | |
static char | fgblue [6] = {27, '[', '3', '4', 'm', '\0' } |
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static char | fgcyan [6] = {27, '[', '3', '6', 'm', '\0' } |
cyan text | |
static char | fgred [6] = {27, '[', '3', '1', 'm', '\0' } |
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static char | fggreen [6] = {27, '[', '3', '2', 'm', '\0' } |
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static char | fgdef [6] = {27, '[', '3', '9', 'm', '\0' } |
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static short | debug_lvl = 1 |
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bool | Upload (Element *el, bool preLoad) |
Uploads this model in memory. | |
static std::string | CreateIndexedPropertyName (const std::string &Property, int index) |
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unsigned int | exe_ctr |
unsigned int | rate |
std::string | Name |
FGFDMExec * | FDMExec |
FGPropertyManager * | PropertyManager |
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std::vector< FGFunction * > | PreFunctions |
std::vector< FGFunction * > | PostFunctions |
FGPropertyReader | LocalProperties |
static Message | localMsg |
static std::queue< Message > | Messages |
static unsigned int | messageId = 0 |
static constexpr double | radtodeg = 180. / 3.14159265358979323846 |
static constexpr double | degtorad = 3.14159265358979323846 / 180. |
static constexpr double | hptoftlbssec = 550.0 |
static constexpr double | psftoinhg = 0.014138 |
static constexpr double | psftopa = 47.88 |
static constexpr double | ktstofps = 1.68781 |
static constexpr double | fpstokts = 1.0 / ktstofps |
static constexpr double | inchtoft = 1.0/12.0 |
static constexpr double | fttom = 0.3048 |
static constexpr double | m3toft3 = 1.0/(fttom*fttom*fttom) |
static constexpr double | in3tom3 = inchtoft*inchtoft*inchtoft/m3toft3 |
static constexpr double | inhgtopa = 3386.38 |
static constexpr double | slugtolb = 32.174049 |
Note that definition of lbtoslug by the inverse of slugtolb and not to a different constant you can also get from some tables will make lbtoslug*slugtolb == 1 up to the magnitude of roundoff. | |
static constexpr double | lbtoslug = 1.0/slugtolb |
static constexpr double | kgtolb = 2.20462 |
static constexpr double | kgtoslug = 0.06852168 |
static const std::string | needed_cfg_version = "2.0" |
static const std::string | JSBSim_version = JSBSIM_VERSION " " __DATE__ " " __TIME__ |
static int | gaussian_random_number_phase = 0 |
Encapsulates various uncategorized scheduled functions.
Pilot sensed accelerations are calculated here. This is used for the coordinated turn ball instrument. Motion base platforms sometimes use the derivative of pilot sensed accelerations as the driving parameter, rather than straight accelerations.
The theory behind pilot-sensed calculations is presented:
For purposes of discussion and calculation, assume for a minute that the pilot is in space and motionless in inertial space. She will feel no accelerations. If the aircraft begins to accelerate along any axis or axes (without rotating), the pilot will sense those accelerations. If any rotational moment is applied, the pilot will sense an acceleration due to that motion in the amount:
[wdot X R] + [w X (w X R)] Term I Term II
where:
wdot = omegadot, the rotational acceleration rate vector w = omega, the rotational rate vector R = the vector from the aircraft CG to the pilot eyepoint
The sum total of these two terms plus the acceleration of the aircraft body axis gives the acceleration the pilot senses in inertial space. In the presence of a large body such as a planet, a gravity field also provides an accelerating attraction. This acceleration can be transformed from the reference frame of the planet so as to be expressed in the frame of reference of the aircraft. This gravity field accelerating attraction is felt by the pilot as a force on her tushie as she sits in her aircraft on the runway awaiting takeoff clearance.
In JSBSim the acceleration of the body frame in inertial space is given by the F = ma relation. If the vForces vector is divided by the aircraft mass, the acceleration vector is calculated. The term wdot is equivalent to the JSBSim vPQRdot vector, and the w parameter is equivalent to vPQR.
Definition at line 100 of file FGAuxiliary.h.
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Constructor.
Executive | a pointer to the parent executive object |
Definition at line 60 of file FGAuxiliary.cpp.
JSBSim::FGAuxiliary::~FGAuxiliary | ( | ) |
Destructor.
Definition at line 127 of file FGAuxiliary.cpp.
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Definition at line 178 of file FGAuxiliary.h.
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Definition at line 171 of file FGAuxiliary.h.
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Definition at line 245 of file FGAuxiliary.h.
double JSBSim::FGAuxiliary::GetDistanceRelativePosition | ( | void | ) | const |
Definition at line 297 of file FGAuxiliary.cpp.
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Definition at line 157 of file FGAuxiliary.h.
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Definition at line 165 of file FGAuxiliary.h.
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Definition at line 229 of file FGAuxiliary.h.
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Definition at line 230 of file FGAuxiliary.h.
double JSBSim::FGAuxiliary::GetLatitudeRelativePosition | ( | void | ) | const |
Definition at line 289 of file FGAuxiliary.cpp.
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Definition at line 167 of file FGAuxiliary.h.
double JSBSim::FGAuxiliary::GetLongitudeRelativePosition | ( | void | ) | const |
Definition at line 281 of file FGAuxiliary.cpp.
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Gets the Mach number.
Definition at line 213 of file FGAuxiliary.h.
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The mach number calculated using the vehicle X axis velocity.
Definition at line 216 of file FGAuxiliary.h.
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Definition at line 184 of file FGAuxiliary.h.
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Definition at line 174 of file FGAuxiliary.h.
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Definition at line 162 of file FGAuxiliary.h.
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Definition at line 161 of file FGAuxiliary.h.
double JSBSim::FGAuxiliary::GetNlf | ( | void | ) | const |
Definition at line 271 of file FGAuxiliary.cpp.
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Definition at line 155 of file FGAuxiliary.h.
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Definition at line 160 of file FGAuxiliary.h.
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Definition at line 227 of file FGAuxiliary.h.
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The longitudinal acceleration in g's of the aircraft center of gravity.
Definition at line 219 of file FGAuxiliary.h.
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The lateral acceleration in g's of the aircraft center of gravity.
Definition at line 222 of file FGAuxiliary.h.
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The vertical acceleration in g's of the aircraft center of gravity.
Definition at line 225 of file FGAuxiliary.h.
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Definition at line 154 of file FGAuxiliary.h.
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Definition at line 246 of file FGAuxiliary.h.
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Definition at line 152 of file FGAuxiliary.h.
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Calculates and returns the body-to-wind axis transformation matrix.
Definition at line 195 of file FGAuxiliary.h.
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Returns the total pressure.
Total pressure is freestream total pressure for subsonic only. For supersonic it is the 1D total pressure behind a normal shock.
Definition at line 141 of file FGAuxiliary.h.
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Returns the total temperature.
The total temperature ("tat", isentropic flow) is calculated:
(where "in.Temperature" is standard temperature calculated by the atmosphere model)
Definition at line 151 of file FGAuxiliary.h.
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Calculates and returns the wind-to-body axis transformation matrix.
Definition at line 190 of file FGAuxiliary.h.
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Returns Calibrated airspeed in feet/second.
Definition at line 125 of file FGAuxiliary.h.
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Returns Calibrated airspeed in knots.
Definition at line 127 of file FGAuxiliary.h.
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Returns equivalent airspeed in feet/second.
Definition at line 129 of file FGAuxiliary.h.
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Returns equivalent airspeed in knots.
Definition at line 131 of file FGAuxiliary.h.
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Gets the ground speed in feet per second.
The magnitude is the square root of the sum of the squares (RSS) of the vehicle north and east velocity components.
Definition at line 210 of file FGAuxiliary.h.
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Gets the magnitude of total vehicle velocity including wind effects in feet per second.
Definition at line 204 of file FGAuxiliary.h.
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Returns the true airspeed in feet per second.
Definition at line 133 of file FGAuxiliary.h.
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Returns the true airspeed in knots.
Definition at line 135 of file FGAuxiliary.h.
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Reimplemented from JSBSim::FGModelFunctions.
Definition at line 94 of file FGAuxiliary.cpp.
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Runs the Auxiliary routines; called by the Executive Can pass in a value indicating if the executive is directing the simulation to Hold.
Holding | if true, the executive has been directed to hold the sim from advancing time. Some models may ignore this flag, such as the Input model, which may need to be active to listen on a socket for the "Resume" command to be given. |
Reimplemented from JSBSim::FGModel.
Definition at line 134 of file FGAuxiliary.cpp.
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Definition at line 252 of file FGAuxiliary.h.
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Definition at line 242 of file FGAuxiliary.h.
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Definition at line 243 of file FGAuxiliary.h.
struct JSBSim::FGAuxiliary::Inputs JSBSim::FGAuxiliary::in |