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A320-family/Nasal/Systems/hydraulics.nas
2022-01-06 17:47:03 +00:00

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# A3XX Hydraulic System
# Jonathan Redpath
# Copyright (c) 2019 Jonathan Redpath
var HYD = {
lcont: 0,
rcont: 0,
Brakes: {
accumPressPsi: props.globals.initNode("/systems/hydraulic/yellow-accumulator-psi-cmd", 3000, "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"),
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"),
blueElecOvht: props.globals.getNode("/systems/failures/hydraulic/blue-elec-ovht"),
blueLeak: props.globals.getNode("/systems/failures/hydraulic/blue-leak"),
blueReservoirAirPressLow: props.globals.getNode("/systems/failures/hydraulic/blue-reservoir-air-press-lo"),
blueReservoirOvht: props.globals.getNode("/systems/failures/hydraulic/blue-reservoir-ovht"),
greenEng: props.globals.getNode("/systems/failures/hydraulic/green-edp"),
greenLeak: props.globals.getNode("/systems/failures/hydraulic/green-leak"),
greenReservoirAirPressLow: props.globals.getNode("/systems/failures/hydraulic/green-reservoir-air-press-lo"),
greenReservoirOvht: props.globals.getNode("/systems/failures/hydraulic/green-reservoir-ovht"),
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"),
yellowElecOvht: props.globals.getNode("/systems/failures/hydraulic/yellow-elec-ovht"),
yellowLeak: props.globals.getNode("/systems/failures/hydraulic/yellow-leak"),
yellowReservoirAirPressLow: props.globals.getNode("/systems/failures/hydraulic/yellow-reservoir-air-press-lo"),
yellowReservoirOvht: props.globals.getNode("/systems/failures/hydraulic/yellow-reservoir-ovht"),
},
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"),
yellowElecFail: props.globals.getNode("/ECAM/warnings/hyd/yellow-elec-pump-fail"),
},
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"),
nwsSwitch: props.globals.getNode("/controls/gear/nws-switch"),
},
Valve: {
yellowFire: props.globals.getNode("/systems/hydraulic/sources/yellow-edp/fire-valve"),
greenFire: props.globals.getNode("/systems/hydraulic/sources/green-edp/fire-valve"),
},
Warnings: {
blueAbnormLoPr: props.globals.getNode("/ECAM/warnings/hyd/blue-abnorm-lo-pr"),
greenAbnormLoPr: props.globals.getNode("/ECAM/warnings/hyd/green-abnorm-lo-pr"),
yellowAbnormLoPr: props.globals.getNode("/ECAM/warnings/hyd/yellow-abnorm-lo-pr"),
blueLoLvl: props.globals.getNode("/systems/hydraulic/relays/blue-reservoir-low-qty-switch"),
greenLoLvl: props.globals.getNode("/systems/hydraulic/relays/green-reservoir-low-qty-switch"),
yellowLoLvl: props.globals.getNode("/systems/hydraulic/relays/yellow-reservoir-low-qty-switch"),
blueReservoirOvht: props.globals.getNode("/systems/hydraulic/relays/blue-reservoir-overheat"),
greenReservoirOvht: props.globals.getNode("/systems/hydraulic/relays/green-reservoir-overheat"),
yellowReservoirOvht: props.globals.getNode("/systems/hydraulic/relays/yellow-reservoir-overheat"),
},
init: func() {
me.resetFail();
me.Qty.blueInput.setValue(8);
me.Qty.greenInput.setValue(16);
me.Qty.yellowInput.setValue(15);
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);
me.Brakes.accumPressPsi.setValue(3000);
},
resetFail: func() {
me.Fail.blueElec.setBoolValue(0);
me.Fail.blueElecOvht.setBoolValue(0);
me.Fail.blueLeak.setBoolValue(0);
me.Fail.blueReservoirAirPressLow.setBoolValue(0);
me.Fail.blueReservoirOvht.setBoolValue(0);
me.Fail.greenEng.setBoolValue(0);
me.Fail.greenLeak.setBoolValue(0);
me.Fail.greenReservoirAirPressLow.setBoolValue(0);
me.Fail.greenReservoirOvht.setBoolValue(0);
me.Fail.ptuFault.setBoolValue(0);
me.Fail.yellowEng.setBoolValue(0);
me.Fail.yellowElec.setBoolValue(0);
me.Fail.yellowElecOvht.setBoolValue(0);
me.Fail.yellowLeak.setBoolValue(0);
me.Fail.yellowReservoirAirPressLow.setBoolValue(0);
me.Fail.yellowReservoirOvht.setBoolValue(0);
},
loop: func(notification) {
# Decrease accumPressPsi when green and yellow hydraulics aren't pressurized
if (me.Brakes.leftbrake.getValue() > 0 or notification.brakesMode == 0) {
me.lcont = me.lcont + 1;
} else {
me.lcont = 0;
}
if (me.Brakes.rightbrake.getValue() > 0 or notification.brakesMode == 0) {
me.rcont = me.rcont + 1;
} else {
me.rcont = 0;
}
if (notification.yellow < notification.accumPressPsi and notification.accumPressPsi > 0) {
if (me.lcont == 1) {
me.Brakes.accumPressPsi.setValue(notification.accumPressPsi - 200);
}
if (me.rcont == 1) {
me.Brakes.accumPressPsi.setValue(notification.accumPressPsi - 200);
}
if (notification.accumPressPsi < 0) {
me.Brakes.accumPressPsi.setValue(0);
}
}
# Braking Pressure
if (notification.brakesMode == 1 or (notification.brakesMode == 2 and notification.green >= 2500)) {
# Normal braking - Green OK
if (notification.leftBrake > 0) {
me.Brakes.leftPressPsi.setValue(notification.green * notification.leftBrakeFCS);
} else {
me.Brakes.leftPressPsi.setValue(0);
}
if (notification.rightBrake > 0) {
me.Brakes.rightPressPsi.setValue(notification.green * notification.rightBrakeFCS);
} else {
me.Brakes.rightPressPsi.setValue(0);
}
} else {
if ((notification.brakesMode == 2 and notification.green < 2500) or notification.brakesMode == 0) {
# Alternate Braking (Yellow OK + Antiskid ON + electric OK) - missing condition: BSCU OK-KO
if (notification.yellow >= 2500 and notification.NWSSwitch and (notification.dc1 >= 24 or notification.dc2 >= 24 or notification.dcEss >= 24)) {
if (notification.leftBrake > 0 or notification.brakesMode == 0) {
me.Brakes.leftPressPsi.setValue(notification.yellow * notification.leftBrakeFCS);
} else {
me.Brakes.leftPressPsi.setValue(0);
}
if (notification.rightBrake > 0 or notification.brakesMode == 0) {
me.Brakes.rightPressPsi.setValue(notification.yellow * notification.rightBrakeFCS);
} else {
me.Brakes.rightPressPsi.setValue(0);
}
} else {
# Alternate Braking (Yellow OK + Antiskid OFF + electric OK) - missing condition: BSCU OK-KO
if (notification.yellow >= 2500 and !notification.NWSSwitch and (notification.dc1 >= 24 or notification.dc2 >= 24 or notification.dcEss >= 24)) {
if (notification.leftBrake > 0 or notification.brakesMode == 0) {
me.Brakes.leftPressPsi.setValue(1000 * notification.leftBrakeFCS);
} else {
me.Brakes.leftPressPsi.setValue(0);
}
if (notification.rightBrake > 0 or notification.brakesMode == 0) {
me.Brakes.rightPressPsi.setValue(1000 * notification.rightBrakeFCS);
} else {
me.Brakes.rightPressPsi.setValue(0);
}
} else {
# Alternate Braking (Yellow KO or Antiskid KO or electric KO) - missing condition: BSCU OK-KO
if (notification.accumPressPsi < 1000 and (notification.yellow < 2500 or !notification.NWSSwitch or (notification.dc1 < 24 and notification.dc2 < 24 and notification.dcEss < 24))) {
if (notification.leftBrake > 0 or notification.brakesMode == 0) {
me.Brakes.leftPressPsi.setValue(notification.accumPressPsi * notification.leftBrakeFCS);
} else {
me.Brakes.leftPressPsi.setValue(0);
}
if (notification.rightBrake > 0 or notification.brakesMode == 0) {
me.Brakes.rightPressPsi.setValue(notification.accumPressPsi * notification.rightBrakeFCS);
} else {
me.Brakes.rightPressPsi.setValue(0);
}
} else {
if (notification.leftBrake > 0 or notification.brakesMode == 0) {
me.Brakes.leftPressPsi.setValue(1000 * notification.leftBrakeFCS);
} else {
me.Brakes.leftPressPsi.setValue(0);
}
if (notification.rightBrake > 0 or notification.brakesMode == 0) {
me.Brakes.rightPressPsi.setValue(1000 * notification.rightBrakeFCS);
} else {
me.Brakes.rightPressPsi.setValue(0);
}
}
}
}
}
}
},
};
# Restrict gear raising on the ground
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);
}
});
# Emesary
var A320Hydraulic = notifications.SystemRecipient.new("A320 Hydraulic",HYD.loop,HYD);
emesary.GlobalTransmitter.Register(A320Hydraulic);
var input = {
"blue": "/systems/hydraulic/blue-psi",
"green": "/systems/hydraulic/green-psi",
"yellow": "/systems/hydraulic/yellow-psi",
"brakesMode": "/systems/hydraulic/brakes/mode",
"accumPressPsi": "/systems/hydraulic/yellow-accumulator-psi-cmd",
"leftBrake": "/controls/gear/brake-left",
"rightBrake": "/controls/gear/brake-right",
"leftBrakeFCS": "/fdm/jsbsim/fcs/left-brake-cmd-norm",
"rightBrakeFCS": "/fdm/jsbsim/fcs/right-brake-cmd-norm",
"NWSSwitch": "/controls/gear/nws-switch",
};
foreach (var name; keys(input)) {
emesary.GlobalTransmitter.NotifyAll(notifications.FrameNotificationAddProperty.new("A320 Hydraulic", name, input[name]));
}