From: curt Date: Tue, 17 Aug 1999 21:20:38 +0000 (+0000) Subject: Initial revisions. X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=efa21a5dd6a2823379a0da268e15f5671d902d70;p=flightgear.git Initial revisions. --- diff --git a/src/FDM/JSBSim/FGInitialCondition.cpp b/src/FDM/JSBSim/FGInitialCondition.cpp new file mode 100644 index 000000000..7445440ed --- /dev/null +++ b/src/FDM/JSBSim/FGInitialCondition.cpp @@ -0,0 +1,220 @@ +/******************************************************************************* + + Header: FGInitialCondition.cpp + Author: Tony Peden + Date started: 7/1/99 + + ------------- Copyright (C) 1999 Anthony K. Peden (apeden@earthlink.net) ------------- + + This program is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any later + version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 Temple + Place - Suite 330, Boston, MA 02111-1307, USA. + + Further information about the GNU General Public License can also be found on + the world wide web at http://www.gnu.org. + + + HISTORY +-------------------------------------------------------------------------------- +7/1/99 TP Created + + +FUNCTIONAL DESCRIPTION +-------------------------------------------------------------------------------- + +The purpose of this class is to take a set of initial conditions and provide +a kinematically consistent set of body axis velocity components, euler +angles, and altitude. This class does not attempt to trim the model i.e. +the sim will most likely start in a very dynamic state (unless, of course, +you have chosen your IC's wisely) even after setting it up with this class. + +CAVEAT: This class makes use of alpha=theta-gamma. This means that setting + any of the three with this class is only valid for steady state + (all accels zero) and zero pitch rate. One example where this + would produce invalid results is setting up for a trim in a pull-up + or pushover (both have nonzero pitch rate). Maybe someday... + +******************************************************************************** +INCLUDES +*******************************************************************************/ + +#include "FGInitialCondition.h" +#include "FGFDMExec.h" +#include "FGState.h" +#include "FGAtmosphere.h" +#include "FGFCS.h" +#include "FGAircraft.h" +#include "FGTranslation.h" +#include "FGRotation.h" +#include "FGPosition.h" +#include "FGAuxiliary.h" +#include "FGOutput.h" +#include "FGDefs.h" + + +FGInitialCondition::FGInitialCondition(FGFDMExec *fdmex) +{ + vt=vc=0; + mach=0; + alpha=beta=gamma=0; + theta=phi=psi=0; + altitude=hdot=0; + latitude=longitude=0; + + atm=fdmex->GetAtmosphere(); +} + + +FGInitialCondition::~FGInitialCondition(void) {}; + + +void FGInitialCondition::SetVcalibratedKtsIC(float tt) +{ + vc=tt*KTSTOFPS; + cout << "ic.vc: " << vc << endl; + cout << "ic.rhosl: " << atm->GetDensity(0) << endl; + cout << "ic.rho: " << atm->GetDensity(altitude) << endl; + vt=sqrt(atm->GetDensity(0)/atm->GetDensity(altitude)*vc*vc); + cout << "ic.vt: " << vt << endl; + //mach=vt*sqrt(SHRATIO*Reng*atm->GetTemperature(altitude)); +} + + +void FGInitialCondition::SetVtrueKtsIC(float tt) +{ + vt=tt*KTSTOFPS; + //vc=sqrt(atm->GetDensity(altitude)/atm->GetDensity(0)*vt*vt); + //mach=vt*sqrt(SHRATIO*Reng*atm->GetTemperature(altitude)); +} + + +void FGInitialCondition::SetMachIC(float tt) +{ + mach=tt; + vt=mach*sqrt(SHRATIO*Reng*atm->GetTemperature(altitude)); + //vc=sqrt(atm->GetDensity(altitude)/atm->GetDensity(0)*vt*vt); +} + + +void FGInitialCondition::SetAltitudeFtIC(float tt) +{ + altitude=tt; + //mach=vt/sqrt(SHRATIO*Reng*atm->GetTemperature(altitude)); + //vc=sqrt(atm->GetDensity(altitude)/atm->GetDensity(0)*vt*vt); +} + + +void FGInitialCondition::SetFlightPathAngleDegIC(float tt) +{ + gamma=tt*DEGTORAD; + theta=alpha+gamma; +} + + +void FGInitialCondition::SetAlphaDegIC(float tt) +{ + alpha=tt*DEGTORAD; + theta=alpha+gamma; +} + + +void FGInitialCondition::SetBetaDegIC(float tt) +{ + beta=tt*DEGTORAD; +} + + +void FGInitialCondition::SetRollAngleDegIC(float tt) +{ + phi=tt*DEGTORAD; +} + + +void FGInitialCondition::SetPitchAngleDegIC(float tt) +{ + theta=tt*DEGTORAD; + alpha=theta-gamma; +} + + +void FGInitialCondition::SetHeadingDegIC(float tt) +{ + psi=tt*DEGTORAD; +} + + +void FGInitialCondition::SetLatitudeDegIC(float tt) +{ + latitude=tt*DEGTORAD; +} + + +void FGInitialCondition::SetLongitudeDegIC(float tt) +{ + longitude=tt*DEGTORAD; +} + + +float FGInitialCondition::GetUBodyFpsIC(void) +{ + return vt*cos(alpha)*cos(beta); +} + + +float FGInitialCondition::GetVBodyFpsIC(void) +{ + return vt*sin(beta); +} + + +float FGInitialCondition::GetWBodyFpsIC(void) +{ + return vt*sin(alpha)*cos(beta); +} + + +float FGInitialCondition::GetThetaRadIC(void) +{ + return theta; +} + + +float FGInitialCondition::GetPhiRadIC(void) +{ + return phi; +} + + +float FGInitialCondition::GetPsiRadIC(void) +{ + return psi; +} + + +float FGInitialCondition::GetLatitudeRadIC(void) +{ + return latitude; +} + + +float FGInitialCondition::GetLongitudeRadIC(void) +{ + return longitude; +} + + +float FGInitialCondition::GetAltitudeFtIC(void) +{ + return altitude; +} + diff --git a/src/FDM/JSBSim/FGInitialCondition.h b/src/FDM/JSBSim/FGInitialCondition.h new file mode 100644 index 000000000..a53a0c5bc --- /dev/null +++ b/src/FDM/JSBSim/FGInitialCondition.h @@ -0,0 +1,110 @@ +/******************************************************************************* + + Header: FGInitialCondition.h + Author: Tony Peden + Date started: 7/1/99 + + ------------- Copyright (C) 1999 Anthony K. Peden (apeden@earthlink.net) ------------- + + This program is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any later + version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 Temple + Place - Suite 330, Boston, MA 02111-1307, USA. + + Further information about the GNU General Public License can also be found on + the world wide web at http://www.gnu.org. + + + HISTORY +-------------------------------------------------------------------------------- +7/1/99 TP Created + + +FUNCTIONAL DESCRIPTION +-------------------------------------------------------------------------------- + +The purpose of this class is to take a set of initial conditions and provide +a kinematically consistent set of body axis velocity components, euler +angles, and altitude. This class does not attempt to trim the model i.e. +the sim will most likely start in a very dynamic state (unless, of course, +you have chosen your IC's wisely) even after setting it up with this class. + +CAVEAT: This class makes use of alpha=theta-gamma. This means that setting + any of the three with this class is only valid for steady state + (all accels zero) and zero pitch rate. One example where this + would produce invalid results is setting up for a trim in a pull-up + or pushover (both have nonzero pitch rate). Maybe someday... + +******************************************************************************** +SENTRY +*******************************************************************************/ + +#ifndef FGINITIALCONDITION_H +#define FGINITIALCONDITION_H + +/******************************************************************************* +INCLUDES +*******************************************************************************/ + +#include "FGFDMExec.h" +#include "FGAtmosphere.h" + +/******************************************************************************* +CLASS DECLARATION +*******************************************************************************/ + +class FGInitialCondition +{ + public: + + FGInitialCondition(FGFDMExec *fdmex); + ~FGInitialCondition(void); + + void SetVcalibratedKtsIC(float tt); + void SetVtrueKtsIC(float tt); + void SetMachIC(float tt); + void SetAltitudeFtIC(float tt); + void SetFlightPathAngleDegIC(float tt); //"vertical" flight path, solve for alpha using speed + //void SetClimbRateFpmIC(float tt); //overwrite gamma + void SetAlphaDegIC(float tt); //use currently stored gamma + void SetBetaDegIC(float tt); + void SetRollAngleDegIC(float tt); + void SetPitchAngleDegIC(float tt); //use currently stored gamma + void SetHeadingDegIC(float tt); + void SetLatitudeDegIC(float tt); + void SetLongitudeDegIC(float tt); + + float GetUBodyFpsIC(void); + float GetVBodyFpsIC(void); + float GetWBodyFpsIC(void); + + float GetThetaRadIC(void); + float GetPhiRadIC(void); + float GetPsiRadIC(void); + + float GetLatitudeRadIC(void); + float GetLongitudeRadIC(void); + + float GetAltitudeFtIC(void); + + private: + float vt,vc; + float alpha,beta,gamma,theta,phi,psi; + float mach; + float altitude,hdot; + float u,v,w; + float latitude,longitude; + + FGAtmosphere *atm; +}; + +#endif diff --git a/src/FDM/JSBSim/JSBSim.cpp b/src/FDM/JSBSim/JSBSim.cpp new file mode 100644 index 000000000..e1dab85ad --- /dev/null +++ b/src/FDM/JSBSim/JSBSim.cpp @@ -0,0 +1,116 @@ +/******************************************************************************* + + Module: JSBSim.cpp + Author: Jon S. Berndt + Date started: 08/17/99 + Purpose: Standalone version of JSBSim. + Called by: The USER. + + ------------- Copyright (C) 1999 Jon S. Berndt (jsb@hal-pc.org) ------------- + + This program is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any later + version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 Temple + Place - Suite 330, Boston, MA 02111-1307, USA. + + Further information about the GNU General Public License can also be found on + the world wide web at http://www.gnu.org. + +FUNCTIONAL DESCRIPTION +-------------------------------------------------------------------------------- + +This class Handles calling JSBSim standalone. It is set up for compilation under +Borland C+Builder or other compiler. + +HISTORY +-------------------------------------------------------------------------------- +08/17/99 JSB Created + +******************************************************************************** +INCLUDES +*******************************************************************************/ + +#if __BCPLUSPLUS__ >= 0x0540 // If compiling under Borland C++Builder + #pragma hdrstop + #include + //--------------------------------------------------------------------------- + USEUNIT("FGAircraft.cpp"); + USEUNIT("FGAtmosphere.cpp"); + USEUNIT("FGAuxiliary.cpp"); + USEUNIT("FGCoefficient.cpp"); + USEUNIT("FGControls.cpp"); + USEUNIT("FGEngine.cpp"); + USEUNIT("FGFCS.cpp"); + USEUNIT("FGFDMExec.cpp"); + USEUNIT("FGInitialCondition.cpp"); + USEUNIT("FGModel.cpp"); + USEUNIT("FGOutput.cpp"); + USEUNIT("FGPosition.cpp"); + USEUNIT("FGRotation.cpp"); + USEUNIT("FGState.cpp"); + USEUNIT("FGTank.cpp"); + USEUNIT("FGTranslation.cpp"); + USEUNIT("FGUtility.cpp"); + USERES("JSBSim.res"); + //--------------------------------------------------------------------------- + #pragma argsused +#endif + +#include "FGFDMExec.h" +#include "FGRotation.h" +#include "FGAtmosphere.h" +#include "FGState.h" +#include "FGFCS.h" +#include "FGAircraft.h" +#include "FGTranslation.h" +#include "FGPosition.h" +#include "FGAuxiliary.h" +#include "FGOutput.h" + +#include +#include + +int main(int argc, char** argv) +{ + FGFDMExec* FDMExec; + + if (argc != 3) { + cout << endl + << " You must enter the name of a registered aircraft and reset point:" + << endl << endl << " FDM " << endl; + exit(0); + } + + FDMExec = new FGFDMExec(); + + FDMExec->GetAircraft()->LoadAircraft("aircraft", "engine", string(argv[1])); + FDMExec->GetState()->Reset("aircraft", string(argv[2])); + + while (FDMExec->GetState()->Getsim_time() <= 25.0) + { + // + // Fake an elevator kick here after 5 seconds + // + + if (FDMExec->GetState()->Getsim_time() > 5.0 && + FDMExec->GetState()->Getsim_time() < 6.0) + { + FDMExec->GetFCS()->SetDe(0.05); + } + + FDMExec->Run(); + } + + delete FDMExec; + + return 0; +} diff --git a/src/FDM/JSBSim/Makefile.solo b/src/FDM/JSBSim/Makefile.solo new file mode 100644 index 000000000..66b5a0d72 --- /dev/null +++ b/src/FDM/JSBSim/Makefile.solo @@ -0,0 +1,59 @@ +JSBSim : FGAircraft.o FGAtmosphere.o FGCoefficient.o FGFCS.o FGFDMExec.o \ + FGModel.o FGOutput.o FGPosition.o FGRotation.o FGState.o \ + FGTranslation.o FGUtility.o FGEngine.o FGTank.o FGAuxiliary.o \ + JSBSim.o FGInitialCondition.o + g++ $(CCOPTS) -lm *.o -oJSBSim +FGAircraft.o : FGAircraft.cpp + g++ $(CCOPTS) -c FGAircraft.cpp +FGAtmosphere.o : FGAtmosphere.cpp + g++ $(CCOPTS) -c FGAtmosphere.cpp +FGAuxiliary.o : FGAuxiliary.cpp + g++ $(CCOPTS) -c FGAuxiliary.cpp +FGCoefficient.o : FGCoefficient.cpp + g++ $(CCOPTS) -c FGCoefficient.cpp +FGFCS.o : FGFCS.cpp + g++ $(CCOPTS) -c FGFCS.cpp +FGFDMExec.o : FGFDMExec.cpp + g++ $(CCOPTS) -c FGFDMExec.cpp +FGModel.o : FGModel.cpp + g++ $(CCOPTS) -c FGModel.cpp +FGOutput.o : FGOutput.cpp + g++ $(CCOPTS) -c FGOutput.cpp +FGPosition.o : FGPosition.cpp + g++ $(CCOPTS) -c FGPosition.cpp +FGRotation.o : FGRotation.cpp + g++ $(CCOPTS) -c FGRotation.cpp +FGState.o : FGState.cpp + g++ $(CCOPTS) -c FGState.cpp +FGTranslation.o : FGTranslation.cpp + g++ $(CCOPTS) -c FGTranslation.cpp +FGUtility.o : FGUtility.cpp + g++ $(CCOPTS) -c FGUtility.cpp +FGEngine.o : FGEngine.cpp + g++ $(CCOPTS) -c FGEngine.cpp +FGTank.o : FGTank.cpp + g++ $(CCOPTS) -c FGTank.cpp +FGInitialCondition.o : FGInitialCondition.cpp + g++ $(CCOPTS) -c FGInitialCondition.cpp +JSBSim.o : JSBSim.cpp + g++ $(CCOPTS) -c JSBSim.cpp + +clean: + mv *.*~ backup + rm *.o + +all: + touch *.cpp + make JSBSim + +debug: + env CCOPTS=-g -WALL + make all + + + + + + + +