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A320-family/Nasal/Systems/hydraulics.nas
vezza 8ff4d1d662 Hydraulic and brake system improvements 
- fix parking brake gauge indication;
- fix accumulator pressure;
- accumulators now provides 7 full brakings to get depressurized.
2020-11-27 00:00:50 +01:00

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# A3XX Hydraulic System
# Jonathan Redpath
# Copyright (c) 2019 Jonathan Redpath
var lcont = 0;
var rcont = 0;
var HYD = {
Brakes: {
accumPressPsi: props.globals.initNode("/systems/hydraulic/brakes/accumulator-pressure-psi", 0, "INT"),
leftPressPsi: props.globals.initNode("/systems/hydraulic/brakes/pressure-left-psi", 0, "INT"),
rightPressPsi: props.globals.initNode("/systems/hydraulic/brakes/pressure-right-psi", 0, "INT"),
askidSw: props.globals.initNode("/systems/hydraulic/brakes/askidnwssw", 1, "BOOL"),
mode: props.globals.initNode("/systems/hydraulic/brakes/mode", 0, "INT"),
leftbrake: props.globals.getNode("/controls/gear/brake-left"),
rightbrake: props.globals.getNode("/controls/gear/brake-right"),
noserubber: props.globals.initNode("/systems/hydraulic/brakes/nose-rubber", 0, "INT"),
},
Fail: {
blueElec: props.globals.getNode("/systems/failures/hydraulic/blue-elec"),
blueLeak: props.globals.getNode("/systems/failures/hydraulic/blue-leak"),
greenEng: props.globals.getNode("/systems/failures/hydraulic/green-edp"),
greenLeak: props.globals.getNode("/systems/failures/hydraulic/green-leak"),
ptuFault: props.globals.getNode("/systems/failures/hydraulic/ptu"),
yellowEng: props.globals.getNode("/systems/failures/hydraulic/yellow-edp"),
yellowElec: props.globals.getNode("/systems/failures/hydraulic/yellow-elec"),
yellowLeak: props.globals.getNode("/systems/failures/hydraulic/yellow-leak"),
},
Psi: {
blue: props.globals.getNode("/systems/hydraulic/blue-psi"),
green: props.globals.getNode("/systems/hydraulic/green-psi"),
yellow: props.globals.getNode("/systems/hydraulic/yellow-psi"),
},
Ptu: {
active: props.globals.getNode("/systems/hydraulic/sources/ptu/ptu-hydraulic-condition"),
diff: props.globals.getNode("/systems/hydraulic/yellow-psi-diff"),
},
Pump: {
yellowElec: props.globals.getNode("/systems/hydraulic/sources/yellow-elec/pump-operate"),
},
Qty: {
blueInput: props.globals.initNode("/systems/hydraulic/blue-qty-input", 0, "INT"),
blue: props.globals.getNode("/systems/hydraulic/blue-qty"),
greenInput: props.globals.initNode("/systems/hydraulic/green-qty-input", 0, "INT"),
green: props.globals.getNode("/systems/hydraulic/green-qty"),
yellowInput: props.globals.initNode("/systems/hydraulic/yellow-qty-input", 0, "INT"),
yellow: props.globals.getNode("/systems/hydraulic/yellow-qty"),
},
Rat: {
position: props.globals.getNode("/systems/hydraulic/sources/rat/position"),
},
Switch: {
blueElec: props.globals.getNode("/controls/hydraulic/switches/blue-elec"),
blueElecOvrd: props.globals.getNode("/controls/hydraulic/switches/blue-elec-ovrd"),
greenEDP: props.globals.getNode("/controls/hydraulic/switches/green-edp"),
ptu: props.globals.getNode("/controls/hydraulic/switches/ptu"),
rat: props.globals.getNode("/controls/hydraulic/switches/rat-man"),
yellowEDP: props.globals.getNode("/controls/hydraulic/switches/yellow-edp"),
yellowElec: props.globals.getNode("/controls/hydraulic/switches/yellow-elec"),
},
Valve: {
yellowFire: props.globals.getNode("/systems/hydraulic/sources/yellow-edp/fire-valve"),
greenFire: props.globals.getNode("/systems/hydraulic/sources/green-edp/fire-valve"),
},
init: func() {
me.resetFail();
me.Qty.blueInput.setValue(math.round((rand() * 4) + 8 , 0.1)); # Random between 8 and 12
me.Qty.greenInput.setValue(math.round((rand() * 4) + 8 , 0.1)); # Random between 8 and 12
me.Qty.yellowInput.setValue(math.round((rand() * 4) + 8 , 0.1)); # Random between 8 and 12
me.Switch.blueElec.setValue(1);
me.Switch.blueElecOvrd.setValue(0);
me.Switch.greenEDP.setValue(1);
me.Switch.ptu.setValue(1);
me.Switch.rat.setValue(0);
me.Switch.yellowEDP.setValue(1);
me.Switch.yellowElec.setValue(0);
},
resetFail: func() {
me.Fail.blueElec.setBoolValue(0);
me.Fail.blueLeak.setBoolValue(0);
me.Fail.greenEng.setBoolValue(0);
me.Fail.greenLeak.setBoolValue(0);
me.Fail.ptuFault.setBoolValue(0);
me.Fail.yellowEng.setBoolValue(0);
me.Fail.yellowElec.setBoolValue(0);
me.Fail.yellowLeak.setBoolValue(0);
},
loop: func() {
if (props.globals.getValue("/controls/gear/nws-switch") == 1) {
me.Brakes.askidSw.setBoolValue(1); #true
} else {
me.Brakes.askidSw.setBoolValue(0); #false
}
if (me.Psi.yellow.getValue() > 0 and me.Brakes.accumPressPsi.getValue() < 3000 and me.Psi.yellow.getValue() > me.Brakes.accumPressPsi.getValue()) {
me.Brakes.accumPressPsi.setValue(me.Brakes.accumPressPsi.getValue() + 50);
}
# Decrease accumPressPsi when green and yellow hydraulic's aren't pressurized
if (me.Brakes.leftbrake.getValue() > 0 or me.Brakes.mode.getValue() == 0) {
lcont = lcont + 1;
} else {
lcont = 0;
}
if (me.Brakes.rightbrake.getValue() > 0 or me.Brakes.mode.getValue() == 0) {
rcont = rcont + 1;
} else {
rcont = 0;
}
if ((me.Psi.green.getValue() == 0) and (me.Psi.yellow.getValue() == 0) and (me.Brakes.accumPressPsi.getValue()) > 0) {
if (lcont == 1) {
#me.Brakes.accumPressPsi.setValue(me.Brakes.accumPressPsi.getValue() - (35 * me.Brakes.leftbrake.getValue()));
me.Brakes.accumPressPsi.setValue(me.Brakes.accumPressPsi.getValue() - 200);
}
if (rcont == 1) {
#me.Brakes.accumPressPsi.setValue(me.Brakes.accumPressPsi.getValue() - (35 * me.Brakes.leftbrake.getValue()));
me.Brakes.accumPressPsi.setValue(me.Brakes.accumPressPsi.getValue() - 200);
}
if (me.Brakes.accumPressPsi.getValue() < 0) {
me.Brakes.accumPressPsi.setValue(0);
}
}
# Braking Pressure
if (me.Brakes.mode.getValue() == 1 or (me.Brakes.mode.getValue() == 2 and me.Psi.green.getValue() >= 2500)) {
# Normal braking - Green OK
if (me.Brakes.leftbrake.getValue() > 0) {
me.Brakes.leftPressPsi.setValue(props.globals.getValue("/systems/hydraulic/green-psi-ptu"));
} else {
me.Brakes.leftPressPsi.setValue(0);
}
if (me.Brakes.rightbrake.getValue() > 0) {
me.Brakes.rightPressPsi.setValue(props.globals.getValue("/systems/hydraulic/green-psi-ptu"));
} else {
me.Brakes.rightPressPsi.setValue(0);
}
} else {
if ((me.Brakes.mode.getValue() == 2 and me.Psi.green.getValue() < 2500) or me.Brakes.mode.getValue() == 0) {
# Alternate Braking (Yellow OK + Antiskid ON + electric OK) - missing condition: BSCU OK-KO
if (me.Psi.yellow.getValue() >= 2500 and me.Brakes.askidSw.getValue() and props.globals.getValue("/systems/electrical/serviceable")) {
if (me.Brakes.leftbrake.getValue() > 0 or me.Brakes.mode.getValue() == 0) {
me.Brakes.leftPressPsi.setValue(props.globals.getValue("/systems/hydraulic/yellow-psi-ptu"));
} else {
me.Brakes.leftPressPsi.setValue(0);
}
if (me.Brakes.rightbrake.getValue() > 0 or me.Brakes.mode.getValue() == 0) {
me.Brakes.rightPressPsi.setValue(props.globals.getValue("/systems/hydraulic/yellow-psi-ptu"));
} else {
me.Brakes.rightPressPsi.setValue(0);
}
} else {
# Alternate Braking (Yellow OK + Antiskid OFF + electric OK) - missing condition: BSCU OK-KO
if (me.Psi.yellow.getValue() >= 2500 and !me.Brakes.askidSw.getValue() and props.globals.getValue("/systems/electrical/serviceable")) {
if (me.Brakes.leftbrake.getValue() > 0 or me.Brakes.mode.getValue() == 0) {
me.Brakes.leftPressPsi.setValue(1000);
} else {
me.Brakes.leftPressPsi.setValue(0);
}
if (me.Brakes.rightbrake.getValue() > 0 or me.Brakes.mode.getValue() == 0) {
me.Brakes.rightPressPsi.setValue(1000);
} else {
me.Brakes.rightPressPsi.setValue(0);
}
} else {
# Alternate Braking (Yellow KO or Antiskid KO or electric KO) - missing condition: BSCU OK-KO
if (me.Psi.yellow.getValue() < 2500 or !me.Brakes.askidSw.getValue() or !props.globals.getValue("/systems/electrical/serviceable")) {
if (me.Brakes.leftbrake.getValue() > 0 or me.Brakes.mode.getValue() == 0) {
me.Brakes.leftPressPsi.setValue(me.Brakes.accumPressPsi.getValue());
} else {
me.Brakes.leftPressPsi.setValue(0);
}
if (me.Brakes.rightbrake.getValue() > 0 or me.Brakes.mode.getValue() == 0) {
me.Brakes.rightPressPsi.setValue(me.Brakes.accumPressPsi.getValue());
} else {
me.Brakes.rightPressPsi.setValue(0);
}
}
}
}
}
}
},
};
setlistener("/controls/gear/gear-down", func {
if (!pts.Controls.Gear.gearDown.getValue() and (pts.Gear.wow[0].getValue() or pts.Gear.wow[1].getValue() or pts.Gear.wow[2].getValue())) {
pts.Controls.Gear.gearDown.setValue(1);
}
});
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