]> git.mxchange.org Git - flightgear.git/blobdiff - src/FDM/JSBSim/FGPropulsion.cpp
Curt Olson:
[flightgear.git] / src / FDM / JSBSim / FGPropulsion.cpp
index 33c6594f25c0c1e6b030042fefa833817db9d903..7596fa538b59a1aea6037efa9027b3383eac0aff 100644 (file)
@@ -53,25 +53,42 @@ INCLUDES
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
 #include "FGPropulsion.h"
+#include "FGPropertyManager.h"
+
+#if defined (__APPLE__)
+/* Not all systems have the gcvt function */
+inline char* gcvt (double value, int ndigits, char *buf) {
+    /* note that this is not exactly what gcvt is supposed to do! */
+    snprintf (buf, ndigits+1, "%f", value);
+    return buf;
+}
+#endif
+
+namespace JSBSim {
 
 static const char *IdSrc = "$Id$";
 static const char *IdHdr = ID_PROPULSION;
 
+extern short debug_lvl;
+
+
 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 CLASS IMPLEMENTATION
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
-
-FGPropulsion::FGPropulsion(FGFDMExec* exec) : FGModel(exec),
-                                              Forces(3),
-                                              Moments(3)
+FGPropulsion::FGPropulsion(FGFDMExec* exec) : FGModel(exec)
 {
   Name = "FGPropulsion";
+
   numSelectedFuelTanks = numSelectedOxiTanks = 0;
   numTanks = numEngines = numThrusters = 0;
   numOxiTanks = numFuelTanks = 0;
+  dt = 0.0;
+  ActiveEngine = -1; // -1: ALL, 0: Engine 1, 1: Engine 2 ...
+
+  bind();
 
-  if (debug_lvl & 2) cout << "Instantiated: " << Name << endl;
+  Debug(0);
 }
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -80,7 +97,8 @@ FGPropulsion::~FGPropulsion()
 {
   for (unsigned int i=0; i<Engines.size(); i++) delete Engines[i];
   Engines.clear();
-  if (debug_lvl & 2) cout << "Destroyed:    FGPropulsion" << endl;
+  unbind();
+  Debug(1);
 }
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -90,16 +108,16 @@ bool FGPropulsion::Run(void)
   double PowerAvailable;
   dt = State->Getdt();
 
-  Forces.InitMatrix();
-  Moments.InitMatrix();
+  vForces.InitMatrix();
+  vMoments.InitMatrix();
 
   if (!FGModel::Run()) {
     for (unsigned int i=0; i<numEngines; i++) {
       Thrusters[i]->SetdeltaT(dt*rate);
       PowerAvailable = Engines[i]->Calculate(Thrusters[i]->GetPowerRequired());
       Thrusters[i]->Calculate(PowerAvailable);
-      Forces  += Thrusters[i]->GetBodyForces();  // sum body frame forces
-      Moments += Thrusters[i]->GetMoments();     // sum body frame moments
+      vForces  += Thrusters[i]->GetBodyForces();  // sum body frame forces
+      vMoments += Thrusters[i]->GetMoments();     // sum body frame moments
     }
     return false;
   } else {
@@ -117,8 +135,8 @@ bool FGPropulsion::GetSteadyState(void)
   int steady_count,j=0;
   bool steady=false;
 
-  Forces.InitMatrix();
-  Moments.InitMatrix();
+  vForces.InitMatrix();
+  vMoments.InitMatrix();
 
   if (!FGModel::Run()) {
     for (unsigned int i=0; i<numEngines; i++) {
@@ -130,16 +148,16 @@ bool FGPropulsion::GetSteadyState(void)
         PowerAvailable = Engines[i]->Calculate(Thrusters[i]->GetPowerRequired());
         lastThrust = currentThrust;
         currentThrust = Thrusters[i]->Calculate(PowerAvailable);
-        if(fabs(lastThrust-currentThrust) < 0.0001) {
+        if (fabs(lastThrust-currentThrust) < 0.0001) {
           steady_count++;
-          if(steady_count > 120) { steady=true; }
+          if (steady_count > 120) { steady=true; }
         } else {
           steady_count=0;
         }
-        j++;    
+        j++;
       }
-      Forces  += Thrusters[i]->GetBodyForces();  // sum body frame forces
-      Moments += Thrusters[i]->GetMoments();     // sum body frame moments
+      vForces  += Thrusters[i]->GetBodyForces();  // sum body frame forces
+      vMoments += Thrusters[i]->GetMoments();     // sum body frame moments
       Engines[i]->SetTrimMode(false);
     }
 
@@ -151,16 +169,15 @@ bool FGPropulsion::GetSteadyState(void)
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-
 bool FGPropulsion::ICEngineStart(void)
 {
   double PowerAvailable;
   int j;
   dt = State->Getdt();
 
-  Forces.InitMatrix();
-  Moments.InitMatrix();
-    
+  vForces.InitMatrix();
+  vMoments.InitMatrix();
+
   for (unsigned int i=0; i<numEngines; i++) {
     Engines[i]->SetTrimMode(true);
     Thrusters[i]->SetdeltaT(dt*rate);
@@ -168,10 +185,10 @@ bool FGPropulsion::ICEngineStart(void)
     while (!Engines[i]->GetRunning() && j < 2000) {
       PowerAvailable = Engines[i]->Calculate(Thrusters[i]->GetPowerRequired());
       Thrusters[i]->Calculate(PowerAvailable);
-      j++;    
+      j++;
     }
-    Forces  += Thrusters[i]->GetBodyForces();  // sum body frame forces
-    Moments += Thrusters[i]->GetMoments();     // sum body frame moments
+    vForces  += Thrusters[i]->GetBodyForces();  // sum body frame forces
+    vMoments += Thrusters[i]->GetMoments();     // sum body frame moments
     Engines[i]->SetTrimMode(false);
   }
   return true;
@@ -220,12 +237,10 @@ bool FGPropulsion::Load(FGConfigFile* AC_cfg)
           Engines.push_back(new FGRocket(FDMExec, &Eng_cfg));
         } else if (engType == "FG_PISTON") {
           Engines.push_back(new FGPiston(FDMExec, &Eng_cfg));
-        } else if (engType == "FG_TURBOJET") {
-          Engines.push_back(new FGTurboJet(FDMExec, &Eng_cfg));
-        } else if (engType == "FG_TURBOSHAFT") {
-          Engines.push_back(new FGTurboShaft(FDMExec, &Eng_cfg));
-        } else if (engType == "FG_TURBOPROP") {
-          Engines.push_back(new FGTurboProp(FDMExec, &Eng_cfg));
+        } else if (engType == "FG_TURBINE") {
+          Engines.push_back(new FGTurbine(FDMExec, &Eng_cfg));
+        } else if (engType == "FG_SIMTURBINE") {
+          Engines.push_back(new FGSimTurbine(FDMExec, &Eng_cfg));
         } else {
           cerr << fgred << "    Unrecognized engine type: " << underon << engType
                     << underoff << " found in config file." << fgdef << endl;
@@ -255,7 +270,7 @@ bool FGPropulsion::Load(FGConfigFile* AC_cfg)
           cout << "      Pitch = " << Pitch << endl;
           cout << "      Yaw = " << Yaw << endl;
         }
-       
+
         Engines[numEngines]->SetPlacement(xLoc, yLoc, zLoc, Pitch, Yaw);
         Engines[numEngines]->SetEngineNumber(numEngines);
         numEngines++;
@@ -299,8 +314,10 @@ bool FGPropulsion::Load(FGConfigFile* AC_cfg)
         if (thrType == "FG_PROPELLER") {
           Thrusters.push_back(new FGPropeller(FDMExec, &Thruster_cfg));
         } else if (thrType == "FG_NOZZLE") {
-          Thrusters.push_back(new FGNozzle(FDMExec, &Thruster_cfg));
-        }
+          Thrusters.push_back(new FGNozzle(FDMExec, &Thruster_cfg ));
+        } else if (thrType == "FG_DIRECT") {
+          Thrusters.push_back(new FGThruster( FDMExec, &Thruster_cfg) );
+        }  
 
         AC_cfg->GetNextConfigLine();
         while ((token = AC_cfg->GetValue()) != string("/AC_THRUSTER")) {
@@ -320,12 +337,12 @@ bool FGPropulsion::Load(FGConfigFile* AC_cfg)
         Thrusters[numThrusters]->SetAnglesToBody(0, Pitch, Yaw);
         if (thrType == "FG_PROPELLER" && P_Factor > 0.001) {
           ((FGPropeller*)Thrusters[numThrusters])->SetPFactor(P_Factor);
-          cout << "      P-Factor: " << P_Factor << endl;
-          ((FGPropeller*)Thrusters[numThrusters])->SetSense(Sense);
-          cout << "      Sense: " << Sense <<  endl;
+          if (debug_lvl > 0) cout << "      P-Factor: " << P_Factor << endl;
+          ((FGPropeller*)Thrusters[numThrusters])->SetSense(fabs(Sense)/Sense);
+          if (debug_lvl > 0) cout << "      Sense: " << Sense <<  endl;
         }
         Thrusters[numThrusters]->SetdeltaT(dt*rate);
-
+        Thrusters[numThrusters]->SetThrusterNumber(numThrusters);
         numThrusters++;
 
       } else {
@@ -364,9 +381,11 @@ string FGPropulsion::GetPropulsionStrings(void)
     case FGEngine::etRocket:
       PropulsionStrings += (Engines[i]->GetName() + "_ChamberPress[" + buffer + "]");
       break;
-    case FGEngine::etTurboJet:
-    case FGEngine::etTurboProp:
-    case FGEngine::etTurboShaft:
+    case FGEngine::etTurbine:
+      break;
+    case FGEngine::etSimTurbine:
+      PropulsionStrings += (Engines[i]->GetName() + "_N1[" + buffer + "], ");
+      PropulsionStrings += (Engines[i]->GetName() + "_N2[" + buffer + "]");
       break;
     default:
       PropulsionStrings += "INVALID ENGINE TYPE";
@@ -375,6 +394,7 @@ string FGPropulsion::GetPropulsionStrings(void)
 
     PropulsionStrings += ", ";
 
+    FGPropeller* Propeller = (FGPropeller*)Thrusters[i];
     switch(Thrusters[i]->GetType()) {
     case FGThruster::ttNozzle:
       PropulsionStrings += (Thrusters[i]->GetName() + "_Thrust[" + buffer + "]");
@@ -383,13 +403,21 @@ string FGPropulsion::GetPropulsionStrings(void)
       break;
     case FGThruster::ttPropeller:
       PropulsionStrings += (Thrusters[i]->GetName() + "_Torque[" + buffer + "], ");
+      PropulsionStrings += (Thrusters[i]->GetName() + "_PFactor_Roll[" + buffer + "], ");
+      PropulsionStrings += (Thrusters[i]->GetName() + "_PFactor_Pitch[" + buffer + "], ");
+      PropulsionStrings += (Thrusters[i]->GetName() + "_PFactor_Yaw[" + buffer + "], ");
       PropulsionStrings += (Thrusters[i]->GetName() + "_Thrust[" + buffer + "], ");
+      if (Propeller->IsVPitch())
+        PropulsionStrings += (Thrusters[i]->GetName() + "_Pitch[" + buffer + "], ");
       PropulsionStrings += (Thrusters[i]->GetName() + "_RPM[" + buffer + "]");
       break;
+    case FGThruster::ttDirect:
+      PropulsionStrings += (Thrusters[i]->GetName() + "_Thrust[" + buffer + "]");
+      break;
     default:
       PropulsionStrings += "INVALID THRUSTER TYPE";
       break;
-    }    
+    }
   }
 
   return PropulsionStrings;
@@ -414,9 +442,11 @@ string FGPropulsion::GetPropulsionValues(void)
     case FGEngine::etRocket:
       PropulsionValues += (string(gcvt(((FGRocket*)Engines[i])->GetChamberPressure(), 10, buff)));
       break;
-    case FGEngine::etTurboJet:
-    case FGEngine::etTurboProp:
-    case FGEngine::etTurboShaft:
+    case FGEngine::etTurbine:
+      break;
+    case FGEngine::etSimTurbine:
+      PropulsionValues += (string(gcvt(((FGSimTurbine*)Engines[i])->GetN1(), 10, buff))) + ", ";
+      PropulsionValues += (string(gcvt(((FGSimTurbine*)Engines[i])->GetN2(), 10, buff)));
       break;
     }
 
@@ -428,10 +458,20 @@ string FGPropulsion::GetPropulsionValues(void)
       break;
     case FGThruster::ttRotor:
       break;
+    case FGThruster::ttDirect:
+      PropulsionValues += (string(gcvt(((FGThruster*)Thrusters[i])->GetThrust(), 10, buff)));
+      break;
     case FGThruster::ttPropeller:
-      PropulsionValues += (string(gcvt(((FGPropeller*)Thrusters[i])->GetTorque(), 10, buff)) + ", ");
-      PropulsionValues += (string(gcvt(((FGPropeller*)Thrusters[i])->GetThrust(), 10, buff)) + ", ");
-      PropulsionValues += (string(gcvt(((FGPropeller*)Thrusters[i])->GetRPM(), 10, buff)));
+      FGPropeller* Propeller = (FGPropeller*)Thrusters[i];
+      FGColumnVector3 vPFactor = Propeller->GetPFactor();
+      PropulsionValues += string(gcvt(Propeller->GetTorque(), 10, buff)) + ", ";
+      PropulsionValues += string(gcvt(vPFactor(eRoll), 10, buff)) + ", ";
+      PropulsionValues += string(gcvt(vPFactor(ePitch), 10, buff)) + ", ";
+      PropulsionValues += string(gcvt(vPFactor(eYaw), 10, buff)) + ", ";
+      PropulsionValues += string(gcvt(Propeller->GetThrust(), 10, buff)) + ", ";
+      if (Propeller->IsVPitch())
+        PropulsionValues += string(gcvt(Propeller->GetPitch(), 10, buff)) + ", ";
+      PropulsionValues += string(gcvt(Propeller->GetRPM(), 10, buff));
       break;
     }
   }
@@ -441,7 +481,7 @@ string FGPropulsion::GetPropulsionValues(void)
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-FGColumnVector3& FGPropulsion::GetTanksCG(void)
+FGColumnVector3& FGPropulsion::GetTanksMoment(void)
 {
   iTank = Tanks.begin();
   vXYZtank.InitMatrix();
@@ -535,8 +575,155 @@ double FGPropulsion::GetTanksIxy(const FGColumnVector3& vXYZcg)
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-void FGPropulsion::Debug(void)
+void FGPropulsion::SetMagnetos(int setting)
+{
+  if (ActiveEngine < 0) {
+    for (unsigned i=0; i<Engines.size(); i++) {
+      ((FGPiston*)Engines[i])->SetMagnetos(setting);
+    }
+  } else {
+    ((FGPiston*)Engines[ActiveEngine])->SetMagnetos(setting);
+  }
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+void FGPropulsion::SetStarter(int setting)
+{
+  if (ActiveEngine < 0) {
+    for (unsigned i=0; i<Engines.size(); i++) {
+      if (setting == 0)
+        Engines[i]->SetStarter(false);
+      else
+        Engines[i]->SetStarter(true);
+    }
+  } else {
+    if (setting == 0)
+      Engines[ActiveEngine]->SetStarter(false);
+    else
+      Engines[ActiveEngine]->SetStarter(true);
+  }
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+void FGPropulsion::SetCutoff(int setting)
+{
+  if (ActiveEngine < 0) {
+    for (unsigned i=0; i<Engines.size(); i++) {
+      if (setting == 0)
+        ((FGSimTurbine*)Engines[i])->SetCutoff(false);
+      else
+        ((FGSimTurbine*)Engines[i])->SetCutoff(true);
+    }
+  } else {
+    if (setting == 0)
+      ((FGSimTurbine*)Engines[ActiveEngine])->SetCutoff(false);
+    else
+      ((FGSimTurbine*)Engines[ActiveEngine])->SetCutoff(true);
+  }
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+void FGPropulsion::SetActiveEngine(int engine)
 {
-    //TODO: Add your source code here
+  if (engine >= Engines.size() || engine < 0)
+    ActiveEngine = -1;
+  else
+    ActiveEngine = engine;
 }
 
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+void FGPropulsion::bind(void)
+{
+  typedef double (FGPropulsion::*PMF)(int) const;
+  typedef int (FGPropulsion::*iPMF)(void) const;
+
+  PropertyManager->Tie("propulsion/magneto_cmd", this,
+                       (iPMF)0, &FGPropulsion::SetMagnetos, true);
+  PropertyManager->Tie("propulsion/starter_cmd", this,
+                       (iPMF)0, &FGPropulsion::SetStarter,  true);
+  PropertyManager->Tie("propulsion/cutoff_cmd", this,
+                       (iPMF)0, &FGPropulsion::SetCutoff,   true);
+
+  PropertyManager->Tie("forces/fbx-prop-lbs", this,1,
+                       (PMF)&FGPropulsion::GetForces);
+  PropertyManager->Tie("forces/fby-prop-lbs", this,2,
+                       (PMF)&FGPropulsion::GetForces);
+  PropertyManager->Tie("forces/fbz-prop-lbs", this,3,
+                       (PMF)&FGPropulsion::GetForces);
+  PropertyManager->Tie("moments/l-prop-lbsft", this,1,
+                       (PMF)&FGPropulsion::GetMoments);
+  PropertyManager->Tie("moments/m-prop-lbsft", this,2,
+                       (PMF)&FGPropulsion::GetMoments);
+  PropertyManager->Tie("moments/n-prop-lbsft", this,3,
+                       (PMF)&FGPropulsion::GetMoments);
+
+  PropertyManager->Tie("propulsion/active_engine", this,
+           &FGPropulsion::GetActiveEngine, &FGPropulsion::SetActiveEngine, true);
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+void FGPropulsion::unbind(void)
+{
+  PropertyManager->Untie("propulsion/magneto_cmd");
+  PropertyManager->Untie("propulsion/starter_cmd");
+  PropertyManager->Untie("propulsion/cutoff_cmd");
+  PropertyManager->Untie("propulsion/active_engine");
+  PropertyManager->Untie("forces/fbx-prop-lbs");
+  PropertyManager->Untie("forces/fby-prop-lbs");
+  PropertyManager->Untie("forces/fbz-prop-lbs");
+  PropertyManager->Untie("moments/l-prop-lbsft");
+  PropertyManager->Untie("moments/m-prop-lbsft");
+  PropertyManager->Untie("moments/n-prop-lbsft");
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+//    The bitmasked value choices are as follows:
+//    unset: In this case (the default) JSBSim would only print
+//       out the normally expected messages, essentially echoing
+//       the config files as they are read. If the environment
+//       variable is not set, debug_lvl is set to 1 internally
+//    0: This requests JSBSim not to output any messages
+//       whatsoever.
+//    1: This value explicity requests the normal JSBSim
+//       startup messages
+//    2: This value asks for a message to be printed out when
+//       a class is instantiated
+//    4: When this value is set, a message is displayed when a
+//       FGModel object executes its Run() method
+//    8: When this value is set, various runtime state variables
+//       are printed out periodically
+//    16: When set various parameters are sanity checked and
+//       a message is printed out when they go out of bounds
+
+void FGPropulsion::Debug(int from)
+{
+  if (debug_lvl <= 0) return;
+
+  if (debug_lvl & 1) { // Standard console startup message output
+    if (from == 0) { // Constructor
+
+    }
+  }
+  if (debug_lvl & 2 ) { // Instantiation/Destruction notification
+    if (from == 0) cout << "Instantiated: FGPropulsion" << endl;
+    if (from == 1) cout << "Destroyed:    FGPropulsion" << endl;
+  }
+  if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
+  }
+  if (debug_lvl & 8 ) { // Runtime state variables
+  }
+  if (debug_lvl & 16) { // Sanity checking
+  }
+  if (debug_lvl & 64) {
+    if (from == 0) { // Constructor
+      cout << IdSrc << endl;
+      cout << IdHdr << endl;
+    }
+  }
+}
+}