Added spring parking brake

McZapkie/MOVER.h

@@ -859,6 +859,30 @@ private:
         float temperatura2 { 40.0 };
     };
 
+	struct spring_brake {
+		std::shared_ptr<TReservoir> Cylinder;
+		bool Activate { false }; //Input: switching brake on/off in exploitation - main valve/switch
+		bool ShuttOff { true }; //Input: shutting brake off during failure - valve in pneumatic container
+		bool Release { false }; //Input: emergency releasing rod
+
+		bool IsReady{ false }; //Output: readyness to braking - cylinder is armed, spring is tentioned
+		bool IsActive{ false }; //Output: brake is working
+
+		bool PNBrakeConnection{ false }; //Conf: connection to pneumatic brake cylinders
+		double MaxSetPressure { 0.0 }; //Conf: Maximal pressure for switched off brake
+		double ResetPressure{ 0.0 }; //Conf: Pressure for arming brake cylinder
+		double MinForcePressure{ 0.1 }; //Conf: Minimal pressure for zero force
+		double MaxBrakeForce{ 0.0 }; //Conf: Maximal tension for brake pads/shoes
+		double PressureOn{ -2.0 }; //Conf: Pressure changing ActiveFlag to "On"
+		double PressureOff{ -1.0 }; //Conf: Pressure changing ActiveFlag to "Off"
+		double ValveOffArea{ 0.0 }; //Conf: Area of filling valve
+		double ValveOnArea{ 0.0 }; //Conf: Area of dumping valve
+		double ValvePNBrakeArea{ 0.0 }; //Conf: Area of bypass to brake cylinders
+
+		int MultiTractionCoupler{ 127 }; //Conf: Coupling flag necessary for transmitting the command
+
+	};
+
 public:
 
 	double dMoveLen = 0.0;
@@ -918,6 +942,7 @@ public:
 	std::shared_ptr<TDriverHandle> LocHandle;
 	std::shared_ptr<TReservoir> Pipe;
 	std::shared_ptr<TReservoir> Pipe2;
+	spring_brake SpringBrake;
 
 	TLocalBrake LocalBrake = TLocalBrake::NoBrake;  /*rodzaj hamulca indywidualnego*/
 	TBrakePressureTable BrakePressureTable; /*wyszczegolnienie cisnien w rurze*/
@@ -1464,6 +1489,9 @@ public:
 
 	bool BatterySwitch(bool State);
 	bool EpFuseSwitch(bool State);
+	bool SpringBrakeActivate(bool State);
+	bool SpringBrakeShutOff(bool State);
+	bool SpringBrakeRelease();
 
 	/*! stopnie hamowania - hamulec zasadniczy*/
 	bool IncBrakeLevelOld(void);
@@ -1493,6 +1521,7 @@ public:
 	void CompressorCheck(double dt);/*wlacza, wylacza kompresor, laduje zbiornik*/
 	void UpdatePantVolume(double dt);             //Ra
 	void UpdateScndPipePressure(double dt);
+	void UpdateSpringBrake(double dt);
 	double GetDVc(double dt);
 
 	/*funkcje obliczajace sily*/
@@ -1609,6 +1638,7 @@ private:
     void LoadFIZ_Cntrl( std::string const &line );
 	void LoadFIZ_Blending(std::string const &line);
 	void LoadFIZ_DCEMUED(std::string const &line);
+	void LoadFIZ_SpringBrake(std::string const &line);
     void LoadFIZ_Light( std::string const &line );
     void LoadFIZ_Security( std::string const &line );
     void LoadFIZ_Clima( std::string const &line );

McZapkie/Mover.cpp

@@ -2454,6 +2454,57 @@ bool TMoverParameters::EpFuseSwitch(bool State)
     //  else SendCtrlToNext("EpFuseSwitch", 0, CabNo);
 }
 
+// *************************************************************************************************
+// yB: 20190906
+// włączenie / wyłączenie hamulca sprezynowego
+// *************************************************************************************************
+bool TMoverParameters::SpringBrakeActivate(bool State)
+{
+	if (Battery)
+	{
+		SendCtrlToNext("SpringBrakeActivate", int(State), CabNo, SpringBrake.MultiTractionCoupler);
+
+		if (SpringBrake.Activate != State)
+		{
+			SpringBrake.Activate = State;
+			return true;
+		}
+	}
+	return false;
+}
+
+// *************************************************************************************************
+// yB: 20190906
+// włączenie / wyłączenie odciecia hamulca sprezynowego
+// *************************************************************************************************
+bool TMoverParameters::SpringBrakeShutOff(bool State)
+{
+	if (SpringBrake.ShuttOff != State)
+	{
+		SpringBrake.ShuttOff = State;
+		return true;
+	}
+	else
+		return false;
+
+}
+
+// *************************************************************************************************
+// yB: 20190906
+// wyluzowanie hamulca sprezynowego
+// *************************************************************************************************
+bool TMoverParameters::SpringBrakeRelease()
+{
+	if (SpringBrake.IsReady && SpringBrake.Cylinder->P() < SpringBrake.MinForcePressure)
+	{
+		SpringBrake.IsReady = false;
+		return true;
+	}
+	else
+		return false;
+
+}
+
 // *************************************************************************************************
 // Q: 20160710
 // kierunek do tyłu
@@ -3866,6 +3917,8 @@ void TMoverParameters::UpdateScndPipePressure(double dt)
     TMoverParameters *c;
     double dv1, dv2, dV;
 
+	UpdateSpringBrake(dt);
+
     dv1 = 0;
     dv2 = 0;
 
@@ -3918,6 +3971,34 @@ void TMoverParameters::UpdateScndPipePressure(double dt)
     }
 }
 
+
+// *************************************************************************************************
+// yB: 20190906
+// Aktualizacja ciśnienia w hamulcu sprezynowym
+// *************************************************************************************************
+void TMoverParameters::UpdateSpringBrake(double dt)
+{
+	double SBP = SpringBrake.Cylinder->P();
+	double BP = SpringBrake.PNBrakeConnection ? BrakePress : 0;
+	double MSP = SpringBrake.ShuttOff ? 0 : SpringBrake.MaxSetPressure;
+	if (!SpringBrake.Activate)
+	{
+		double desired_press = std::min(std::max(MSP, BP), Pipe2->P());
+		double dv = PF(desired_press, SBP, SpringBrake.ValveOffArea);
+		SpringBrake.Cylinder->Flow(-dv);
+		Pipe2->Flow(std::max(dv,0.0));
+	}
+	else
+	{
+		double dv = PF(BP, SBP, SpringBrake.ValveOnArea);
+		SpringBrake.Cylinder->Flow(-dv);
+	}
+	if (SBP > SpringBrake.ResetPressure)
+		SpringBrake.IsReady = true;
+	SpringBrake.Release = false;
+	SpringBrake.Cylinder->Act();
+}
+
 // *************************************************************************************************
 // Q: 20160715
 // oblicza i zwraca przepływ powietrza pomiędzy pojazdami
@@ -4256,6 +4337,9 @@ double TMoverParameters::BrakeForce( TTrackParam const &Track ) {
         K = MaxBrakeForce * ManualBrakeRatio();
     }
 
+	if (SpringBrake.IsReady)
+		K += std::max(0.0, SpringBrake.MinForcePressure - SpringBrake.Cylinder->P()) * SpringBrake.MaxBrakeForce;
+
     u = ((BrakePress * P2FTrans) - BrakeCylSpring) * BrakeCylMult[0] - BrakeSlckAdj;
     if (u * BrakeRigEff > Ntotal) // histereza na nacisku klockow
         Ntotal = u * BrakeRigEff;
@@ -8182,7 +8266,7 @@ bool TMoverParameters::LoadFIZ(std::string chkpath)
 
 		if (issection("Blending:", inputline)) {
 
-			startBPT = true; LISTLINE = 0;
+			startBPT = false; LISTLINE = 0;
 			fizlines.emplace( "Blending", inputline);
 			LoadFIZ_Blending( inputline );
 			continue;
@@ -8190,12 +8274,20 @@ bool TMoverParameters::LoadFIZ(std::string chkpath)
 
 		if (issection("DCEMUED:", inputline)) {
 
-			startBPT = true; LISTLINE = 0;
+			startBPT = false; LISTLINE = 0;
 			fizlines.emplace("DCEMUED", inputline);
 			LoadFIZ_DCEMUED(inputline);
 			continue;
 		}
 
+		if (issection("SpringBrake:", inputline)) {
+
+			startBPT = false; LISTLINE = 0;
+			fizlines.emplace("SpringBrake", inputline);
+			LoadFIZ_SpringBrake(inputline);
+			continue;
+		}
+
         if( issection( "Light:", inputline ) ) {
 
             startBPT = false;
@@ -9061,6 +9153,30 @@ void TMoverParameters::LoadFIZ_DCEMUED(std::string const &line) {
 
 }
 
+
+void TMoverParameters::LoadFIZ_SpringBrake(std::string const &line) {
+
+	double vol;
+	extract_value(vol, "Volume", line, "1");
+	if (!SpringBrake.Cylinder)
+		SpringBrake.Cylinder = std::make_shared<TReservoir>();
+	SpringBrake.Cylinder->CreateCap(vol);
+	extract_value(SpringBrake.MaxBrakeForce, "MBF", line, "");
+	extract_value(SpringBrake.MaxSetPressure, "MaxSP", line, "");
+	extract_value(SpringBrake.ResetPressure, "ResetP", line, "");
+	extract_value(SpringBrake.MinForcePressure, "MinFP", line, "");
+	extract_value(SpringBrake.PressureOff, "PressOff", line, "");
+	extract_value(SpringBrake.PressureOn, "PressOn", line, "");
+	extract_value(SpringBrake.ValveOffArea, "ValveOnArea", line, "");
+	extract_value(SpringBrake.ValveOnArea, "ValveOffArea", line, "");
+	extract_value(SpringBrake.ValvePNBrakeArea, "ValvePNBArea", line, "");
+	SpringBrake.PNBrakeConnection = SpringBrake.ValvePNBrakeArea > 0;
+	extract_value(SpringBrake.MultiTractionCoupler, "MTC", line, "");
+	SpringBrake.ShuttOff = false;
+	SpringBrake.Activate = false;
+	SpringBrake.IsReady = true;
+}
+
 void TMoverParameters::LoadFIZ_Light( std::string const &line ) {
 
     LightPowerSource.SourceType = LoadFIZ_SourceDecode( extract_value( "Light", line ) );
@@ -9795,6 +9911,11 @@ bool TMoverParameters::CheckLocomotiveParameters(bool ReadyFlag, int Dir)
     Pipe2 = std::make_shared<TReservoir>(); // zabezpieczenie, bo sie PG wywala... :(
     Pipe->CreateCap( ( std::max( Dim.L, 14.0 ) + 0.5 ) * Spg * 1 ); // dlugosc x przekroj x odejscia i takie tam
     Pipe2->CreateCap( ( std::max( Dim.L, 14.0 ) + 0.5 ) * Spg * 1 );
+	if (!SpringBrake.Cylinder)
+	{
+		SpringBrake.Cylinder = std::make_shared<TReservoir>();
+		SpringBrake.Cylinder->CreateCap(1);
+	}
 
     if( LightsPosNo > 0 )
         LightsPos = LightsDefPos;
@@ -10563,6 +10684,16 @@ bool TMoverParameters::RunCommand( std::string Command, double CValue1, double C
 				ScndCtrlActualPos = static_cast<int>(round(CValue1));
 		OK = SendCtrlToNext(Command, CValue1, CValue2, Couplertype);
 	}
+	else if (Command == "SpringBrakeActivate")
+	{
+		if (Battery)
+		{
+			SpringBrake.Activate = CValue1 > 0;
+			OK = SendCtrlToNext(Command, CValue1, CValue2, Couplertype);
+		}
+		else
+			OK = true;
+	}
 
 	return OK; // dla true komenda będzie usunięta, dla false wykonana ponownie
 }

Train.cpp

@@ -350,7 +350,14 @@ TTrain::commandhandler_map const TTrain::m_commandhandlers = {
     { user_command::generictoggle6, &TTrain::OnCommand_generictoggle },
     { user_command::generictoggle7, &TTrain::OnCommand_generictoggle },
     { user_command::generictoggle8, &TTrain::OnCommand_generictoggle },
-    { user_command::generictoggle9, &TTrain::OnCommand_generictoggle }
+    { user_command::generictoggle9, &TTrain::OnCommand_generictoggle },
+	{ user_command::springbraketoggle, &TTrain::OnCommand_springbraketoggle },
+	{ user_command::springbrakeenable, &TTrain::OnCommand_springbrakeenable },
+	{ user_command::springbrakedisable, &TTrain::OnCommand_springbrakedisable },
+	{ user_command::springbrakeshutofftoggle, &TTrain::OnCommand_springbrakeshutofftoggle },
+	{ user_command::springbrakeshutoffenable, &TTrain::OnCommand_springbrakeshutoffenable },
+	{ user_command::springbrakeshutoffdisable, &TTrain::OnCommand_springbrakeshutoffdisable },
+	{ user_command::springbrakerelease, &TTrain::OnCommand_springbrakerelease }
 };
 
 std::vector<std::string> const TTrain::fPress_labels = {
@@ -4218,6 +4225,73 @@ void TTrain::OnCommand_generictoggle( TTrain *Train, command_data const &Command
     }
 }
 
+void TTrain::OnCommand_springbraketoggle(TTrain *Train, command_data const &Command) {
+
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		if (false == Train->mvOccupied->SpringBrake.Activate) {
+			// turn on
+			OnCommand_springbrakeenable(Train, Command);
+		}
+		else {
+			//turn off
+			OnCommand_springbrakedisable(Train, Command);
+		}
+	}
+};
+
+void TTrain::OnCommand_springbrakeenable(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SpringBrakeActivate(true);
+	}
+};
+
+void TTrain::OnCommand_springbrakedisable(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SpringBrakeActivate(false);
+	}
+};
+void TTrain::OnCommand_springbrakeshutofftoggle(TTrain *Train, command_data const &Command) {
+
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		if (false == Train->mvOccupied->SpringBrake.ShuttOff) {
+			// turn on
+			OnCommand_springbrakeshutoffenable(Train, Command);
+		}
+		else {
+			//turn off
+			OnCommand_springbrakeshutoffdisable(Train, Command);
+		}
+	}
+};
+
+void TTrain::OnCommand_springbrakeshutoffenable(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SpringBrakeShutOff(true);
+	}
+};
+
+void TTrain::OnCommand_springbrakeshutoffdisable(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SpringBrakeShutOff(false);
+	}
+};
+
+void TTrain::OnCommand_springbrakerelease(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		
+		auto *vehicle{ Train->find_nearest_consist_vehicle() };
+		if (vehicle == nullptr) { return; }
+		Train->mvOccupied->SpringBrakeRelease();
+	}
+};
+
 void TTrain::OnCommand_doorlocktoggle( TTrain *Train, command_data const &Command ) {
 
     if( Train->ggDoorSignallingButton.SubModel == nullptr ) {

Train.h

@@ -344,6 +344,13 @@ class TTrain
     static void OnCommand_cabchangeforward( TTrain *Train, command_data const &Command );
     static void OnCommand_cabchangebackward( TTrain *Train, command_data const &Command );
     static void OnCommand_generictoggle( TTrain *Train, command_data const &Command );
+	static void OnCommand_springbraketoggle(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakeenable(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakedisable(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakeshutofftoggle(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakeshutoffenable(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakeshutoffdisable(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakerelease(TTrain *Train, command_data const &Command);
 
 
 // members

command.cpp

@@ -227,7 +227,14 @@ commanddescription_sequence Commands_descriptions = {
     { "motorblowerstogglerear", command_target::vehicle },
     { "motorblowersdisableall", command_target::vehicle },
     { "coolingfanstoggle", command_target::vehicle },
-    { "tempomattoggle", command_target::vehicle }
+    { "tempomattoggle", command_target::vehicle },
+	{ "springbraketoggle", command_target::vehicle },
+	{ "springbrakeenable", command_target::vehicle },
+	{ "springbrakedisable", command_target::vehicle },
+	{ "springbrakeshutofftoggle", command_target::vehicle },
+	{ "springbrakeshutoffenable", command_target::vehicle },
+	{ "springbrakeshutoffdisable", command_target::vehicle },
+	{ "springbrakerelease", command_target::vehicle }
 
 };
 

command.h

@@ -221,6 +221,13 @@ enum class user_command {
     motorblowersdisableall,
     coolingfanstoggle,
     tempomattoggle,
+	springbraketoggle,
+	springbrakeenable,
+	springbrakedisable,
+	springbrakeshutofftoggle,
+	springbrakeshutoffenable,
+	springbrakeshutoffdisable,
+	springbrakerelease,
 
     none = -1
 };