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Bugfix - Brakes overheat on replay #115

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This commit is contained in:
vezza 2020-04-26 09:59:12 +02:00
parent f7fe9af157
commit a257b23750
3 changed files with 106 additions and 114 deletions
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8
Models/FlightDeck/a320.flightdeck.xml
View file

@ -7125,12 +7125,12 @@
<name>chrono2_1</name>
<offsets>
<x-m>-0.547</x-m>
<y-m>0.151</y-m>
<y-m>0.167</y-m>
<z-m>0.196</z-m>
<heading-deg>90</heading-deg>
<roll-deg>72.81</roll-deg>
</offsets>
<alignment>center-center</alignment>
<alignment>right-center</alignment>
<axis-alignment>xy-plane</axis-alignment>
<type type="string">text-value</type>
<format type="string">%s</format>
@ -7187,7 +7187,7 @@
<name>UTC_1</name>
<offsets>
<x-m>-0.547</x-m>
<y-m>0.144</y-m>
<y-m>0.146</y-m>
<z-m>0.196</z-m>
<heading-deg>90</heading-deg>
<roll-deg>72.81</roll-deg>
@ -7218,7 +7218,7 @@
<name>UTC_2</name>
<offsets>
<x-m>-0.547</x-m>
<y-m>0.158</y-m>
<y-m>0.160</y-m>
<z-m>0.196</z-m>
<heading-deg>90</heading-deg>
<roll-deg>72.81</roll-deg>

194
Nasal/Systems/brakesystem.nas
View file

@ -107,68 +107,59 @@ var BrakeSystem =
var L_thrust_lb = getprop("engines/engine[0]/thrust_lb");
var R_thrust_lb = getprop("engines/engine[1]/thrust_lb");
if (dt<1.0)
{
if (getprop("sim/freeze/replay-state")==0 and dt<1.0) {
var OnGround = getprop("gear/gear[1]/wow");
#cooling effect: adjust cooling factor by a value proportional to the environment temp (m.CoolingFactor + environment temp-degc * 0.00001)
var LCoolingRatio = me.CoolingFactor+(tatdegc*0.000001);
var RCoolingRatio = me.CoolingFactor+(tatdegc*0.000001);
if (getprop("controls/gear/brake-fans"))
{
if (getprop("controls/gear/brake-fans")) {
#increase CoolingRatio if Brake Fans are active
LCoolingRatio = LCoolingRatio * 3;
RCoolingRatio = RCoolingRatio * 3;
}
if (getprop("gear/gear[1]/position-norm"))
{
};
if (getprop("gear/gear[1]/position-norm")) {
#increase CoolingRatio if gear down according to airspeed
LCoolingRatio = LCoolingRatio * getprop("velocities/airspeed-kt");
} else {
#Reduced CoolingRatio if gear up
LCoolingRatio = LCoolingRatio * 0.1;
}
if (getprop("gear/gear[2]/position-norm"))
{
};
if (getprop("gear/gear[2]/position-norm")) {
#increase CoolingRatio if gear down according to airspeed
RCoolingRatio = RCoolingRatio * getprop("velocities/airspeed-kt");
} else {
#Reduced CoolingRatio if gear up
RCoolingRatio = RCoolingRatio * 0.1;
}
if (LBrakeLevel>0)
{
};
if (LBrakeLevel>0) {
#Reduced CoolingRatio if Brakes used
LCoolingRatio = LCoolingRatio * 0.1 * LBrakeLevel;
}
if (RBrakeLevel>0)
{
};
if (RBrakeLevel>0) {
#Reduced CoolingRatio if Brakes used
RCoolingRatio = RCoolingRatio * 0.1 * RBrakeLevel;
}
};
var LnCoolFactor = math.ln(1-LCoolingRatio);
var RnCoolFactor = math.ln(1-RCoolingRatio);
L_thrust_lb = math.abs(getprop("engines/engine[0]/thrust_lb"));
if (L_thrust_lb < 1)
{
if (L_thrust_lb < 1) {
L_thrust_lb = 1
}
};
#Disabling thrust computation on Brakes temperature
#L_Thrust = math.pow((math.log10(L_thrust_lb)),10)*0.0000000002;
L_Thrust = 0;
R_thrust_lb = math.abs(getprop("engines/engine[1]/thrust_lb"));
if (R_thrust_lb < 1)
{
if (R_thrust_lb < 1) {
R_thrust_lb = 1
}
};
#Disabling thrust computation on Brakes temperature
#R_Thrust = math.pow((math.log10(R_thrust_lb)),10)*0.0000000002;
R_Thrust = 0;
if (OnGround)
{
if (OnGround) {
var V1 = getprop("velocities/groundspeed-kt");
var Mass = getprop("fdm/jsbsim/inertia/weight-lbs")*(me.ScalingDivisor);
@ -176,26 +167,21 @@ var BrakeSystem =
# dE= 1/2 * m * V1^2 - 1/2 * m * V2^2)
var V2_L = V1 - me.BrakeDecel * dt * LBrakeLevel;
var V2_R = V1 - me.BrakeDecel * dt * RBrakeLevel;
LThermalEnergy += (Mass * getprop("gear/gear[1]/compression-norm") * (math.pow(V1, 2) - math.pow(V2_L, 2)) / 2);
if (getprop("services/chocks/left"))
{
if (!getprop("controls/gear/brake-parking"))
{
if (getprop("services/chocks/left")) {
if (!getprop("controls/gear/brake-parking")) {
# cooling effect: reduce thermal energy by (LnCoolFactor) * dt
LThermalEnergy = LThermalEnergy * math.exp(LnCoolFactor * dt);
} else {
#LThermalEnergy += L_Thrust;
# cooling effect: reduce thermal energy by (LnCoolFactor) * dt
LThermalEnergy = (LThermalEnergy * math.exp(LnCoolFactor * dt)) + (L_Thrust * dt);
}
};
} else {
if (!getprop("controls/gear/brake-parking"))
{
if (LBrakeLevel>0)
{
if (V2_L>0)
{
if (!getprop("controls/gear/brake-parking")) {
if (LBrakeLevel>0) {
if (V2_L>0) {
#LThermalEnergy += (Mass * (math.pow(V1, 2) - math.pow(V2_L, 2)) / 2) + L_thrust;
# cooling effect: reduce thermal energy by (LnCoolFactor) * dt
LThermalEnergy = LThermalEnergy * math.exp(LnCoolFactor * dt);
@ -203,37 +189,32 @@ var BrakeSystem =
#LThermalEnergy += math.abs(L_Thrust);
# cooling effect: reduce thermal energy by (LnCoolFactor) * dt
LThermalEnergy = (LThermalEnergy * math.exp(LnCoolFactor * dt)) + (L_Thrust * dt);
}
};
} else {
# cooling effect: reduce thermal energy by (LnCoolFactor) * dt
LThermalEnergy = LThermalEnergy * math.exp(LnCoolFactor * dt);
}
};
} else {
#LThermalEnergy += math.abs(L_Thrust);
# cooling effect: reduce thermal energy by (LnCoolFactor) * dt
LThermalEnergy = (LThermalEnergy * math.exp(LnCoolFactor * dt)) + (L_Thrust * dt);
}
}
};
};
RThermalEnergy += (Mass * getprop("gear/gear[2]/compression-norm") * (math.pow(V1, 2) - math.pow(V2_R, 2)) / 2);
if (getprop("services/chocks/right"))
{
if (!getprop("controls/gear/brake-parking"))
{
if (getprop("services/chocks/right")) {
if (!getprop("controls/gear/brake-parking")) {
# cooling effect: reduce thermal energy by (RnCoolFactor) * dt
RThermalEnergy = RThermalEnergy * math.exp(RnCoolFactor * dt);
} else {
#RThermalEnergy += math.abs(R_Thrust);
# cooling effect: reduce thermal energy by (RnCoolFactor) * dt
RThermalEnergy = (RThermalEnergy * math.exp(RnCoolFactor * dt)) + (R_Thrust * dt);
}
};
} else {
if (!getprop("controls/gear/brake-parking"))
{
if (RBrakeLevel>0)
{
if (V2_R>0)
{
if (!getprop("controls/gear/brake-parking")) {
if (RBrakeLevel>0) {
if (V2_R>0) {
#RThermalEnergy += (Mass * (math.pow(V1, 2) - math.pow(V2_R, 2)) / 2) + R_thrust;
# cooling effect: reduce thermal energy by (RnCoolFactor) * dt
RThermalEnergy = RThermalEnergy * math.exp(RnCoolFactor * dt);
@ -241,36 +222,34 @@ var BrakeSystem =
#RThermalEnergy += math.abs(R_Thrust);
# cooling effect: reduce thermal energy by (RnCoolFactor) * dt
RThermalEnergy = (RThermalEnergy * math.exp(RnCoolFactor * dt)) + (R_Thrust * dt);
}
};
} else {
# cooling effect: reduce thermal energy by (RnCoolFactor) * dt
RThermalEnergy = RThermalEnergy * math.exp(RnCoolFactor * dt);
}
};
} else {
#RThermalEnergy += math.abs(R_Thrust);
# cooling effect: reduce thermal energy by (RnCoolFactor) * dt
RThermalEnergy = (RThermalEnergy * math.exp(RnCoolFactor * dt)) + (R_Thrust * dt);
}
}
};
};
} else {
LThermalEnergy = LThermalEnergy * math.exp(LnCoolFactor * dt);
RThermalEnergy = RThermalEnergy * math.exp(RnCoolFactor * dt);
}
if (LThermalEnergy < 0) {
};
if (LThermalEnergy < 0) {
LThermalEnergy = 0
}
};
if (LThermalEnergy > 3) {
LThermalEnergy = 3
}
};
if (RThermalEnergy < 0) {
RThermalEnergy = 0
}
};
if (RThermalEnergy > 3) {
RThermalEnergy = 3
}
};
setprop("gear/gear[1]/L-Thrust",L_Thrust);
setprop("gear/gear[2]/R-Thrust",R_Thrust);
setprop("gear/gear[1]/Lbrake-thermal-energy",LThermalEnergy);
@ -281,21 +260,19 @@ var BrakeSystem =
setprop("gear/gear[1]/L2brake-temp-degc",tatdegc+getprop("gear/gear[1]/L2error-temp-degc")+(LThermalEnergy * (300-tatdegc-getprop("gear/gear[1]/L2error-temp-degc"))));
setprop("gear/gear[2]/R3brake-temp-degc",tatdegc+getprop("gear/gear[2]/R3error-temp-degc")+(RThermalEnergy * (300-tatdegc-getprop("gear/gear[2]/R3error-temp-degc"))));
setprop("gear/gear[2]/R4brake-temp-degc",tatdegc+getprop("gear/gear[2]/R4error-temp-degc")+(RThermalEnergy * (300-tatdegc-getprop("gear/gear[2]/R4error-temp-degc"))));
if ((LThermalEnergy>1)and(!me.LSmokeActive))
{
if ((LThermalEnergy>1)and(!me.LSmokeActive)) {
# start smoke processing
me.LSmokeActive = 1;
settimer(func { BrakeSys.Lsmoke(); },0);
}
if ((RThermalEnergy>1)and(!me.RSmokeActive))
{
};
if ((RThermalEnergy>1)and(!me.RSmokeActive)) {
# start smoke processing
me.RSmokeActive = 1;
settimer(func { BrakeSys.Rsmoke(); },0);
}
}
};
};
me.LastSimTime = CurrentTime;
# 5 updates per second are good enough
settimer(func { BrakeSys.update(); },0.2);
@ -304,85 +281,84 @@ var BrakeSystem =
# smoke processing
Lsmoke : func()
{
if ((me.LSmokeActive)and(getprop("gear/gear[1]/Lbrake-thermal-energy")>1))
{
if ((me.LSmokeActive)and(getprop("gear/gear[1]/Lbrake-thermal-energy")>1)) {
# make density of smoke effect depend on energy level
var LSmokeDelay=0;
var LThermalEnergy = getprop("gear/gear[1]/Lbrake-thermal-energy");
if (LThermalEnergy < 1.5)
LSmokeDelay=(1.5-LThermalEnergy);
if (LThermalEnergy < 1.5) {
LSmokeDelay=(1.5-LThermalEnergy);
};
# No smoke when gear retracted
var LSmokeValue = (getprop("gear/gear[1]/position-norm")>0.5);
# toggle smoke to interpolate different densities
if (LSmokeDelay>0.05)
{
if (LSmokeDelay>0.05) {
me.LSmokeToggle = !me.LSmokeToggle;
if (!me.LSmokeToggle)
LSmokeValue = 0;
else
LSmokeDelay = 0;
}
};
setprop("gear/gear[1]/Lbrake-smoke",LSmokeValue);
settimer(func { BrakeSys.Lsmoke(); },LSmokeDelay);
}
else
{
} else {
# stop smoke processing
setprop("gear/gear[1]/Lbrake-smoke",0);
setprop("sim/animation/fire-services",0);
me.LSmokeActive = 0;
}
if (getprop("gear/gear[1]/Lbrake-thermal-energy") > 1.5)
};
if (getprop("gear/gear[1]/Lbrake-thermal-energy") > 1.5) {
setprop("sim/animation/fire-services",1);
else
setprop("sim/animation/fire-services",0);
} else {
setprop("sim/animation/fire-services",0);
};
},
# smoke processing
Rsmoke : func()
{
if ((me.RSmokeActive)and(getprop("gear/gear[2]/Rbrake-thermal-energy")>1))
{
if ((me.RSmokeActive)and(getprop("gear/gear[2]/Rbrake-thermal-energy")>1)) {
# make density of smoke effect depend on energy level
var RSmokeDelay=0;
var RThermalEnergy = getprop("gear/gear[2]/Rbrake-thermal-energy");
if (RThermalEnergy < 1.5)
if (RThermalEnergy < 1.5) {
RSmokeDelay=(1.5-RThermalEnergy);
};
# No smoke when gear retracted
var RSmokeValue = (getprop("gear/gear[2]/position-norm")>0.5);
# toggle smoke to interpolate different densities
if (RSmokeDelay>0.05)
{
if (RSmokeDelay>0.05) {
me.RSmokeToggle = !me.RSmokeToggle;
if (!me.RSmokeToggle)
RSmokeValue = 0;
else
RSmokeDelay = 0;
}
};
setprop("gear/gear[2]/Rbrake-smoke",RSmokeValue);
settimer(func { BrakeSys.Rsmoke(); },RSmokeDelay);
}
else
{
} else {
# stop smoke processing
setprop("gear/gear[2]/Rbrake-smoke",0);
me.RSmokeActive = 0;
}
if (getprop("gear/gear[2]/Rbrake-thermal-energy") > 1.5)
setprop("sim/animation/fire-services",1);
else
setprop("sim/animation/fire-services",0);
};
if (getprop("gear/gear[2]/Rbrake-thermal-energy") > 1.5) {
setprop("sim/animation/fire-services",1);
} else {
setprop("sim/animation/fire-services",0);
};
},
};
var BrakeSys = BrakeSystem.new();
setlistener("sim/signals/fdm-initialized",
# executed on _every_ FDM reset (but not installing new listeners)
func(idle) { BrakeSys.reset(); },
0,0);
# executed on _every_ FDM reset (but not installing new listeners)
func(idle) { BrakeSys.reset(); },
0,0);
settimer(func()
{
BrakeSys.update();
}, 5);
{
BrakeSys.update();
}, 5);

18
Systems/flight-recorder.xml
View file

@ -134,7 +134,23 @@
<type>float</type>
<property>/fdm/jsbsim/hydraulics/spoiler-r5/final-deg</property>
</signal>
<signal>
<type>float</type>
<property>/gear/gear[1]/L1brake-temp-degc</property>
</signal>
<signal>
<type>float</type>
<property>/gear/gear[1]/L2brake-temp-degc</property>
</signal>
<signal>
<type>float</type>
<property>/gear/gear[2]/R3brake-temp-degc</property>
</signal>
<signal>
<type>float</type>
<property>/gear/gear[2]/R4brake-temp-degc</property>
</signal>
</signals>
</config>
</PropertyList>
</PropertyList>