Experimental cockpit oxygen system

A320-100-CFM.xml

@@ -212,6 +212,7 @@ xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
 	<system file="a320-engine-fire"/>
 	<system file="a320-adr"/>
 	<system file="a320-apu"/>
+	<system file="a320-oxygen"/>
 	<system file="a320-fmgc"/>
 	<system file="a320-misc"/>
 	

A320-200-CFM.xml

@@ -211,6 +211,7 @@ xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
 	<system file="a320-engine-fire"/>
 	<system file="a320-adr"/>
 	<system file="a320-apu"/>
+	<system file="a320-oxygen"/>
 	<system file="a320-fmgc"/>
 	<system file="a320-misc"/>
 	

A320-200-IAE.xml

@@ -211,6 +211,7 @@ xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
 	<system file="a320-engine-fire"/>
 	<system file="a320-adr"/>
 	<system file="a320-apu"/>
+	<system file="a320-oxygen"/>
 	<system file="a320-fmgc"/>
 	<system file="a320-misc"/>
 	

A320-main.xml

@@ -1058,6 +1058,16 @@
 				<ratman type="bool">0</ratman>
 			</protectors>
 		</OH>
+		<oxygen>
+			<cockpit-mask-1-on type="bool">0</cockpit-mask-1-on>
+			<cockpit-mask-2-on type="bool">0</cockpit-mask-2-on>
+			<cockpit-mask-3-on type="bool">0</cockpit-mask-3-on>
+			<cockpit-mask-4-on type="bool">0</cockpit-mask-4-on>
+			<cockpit-mask-1-selector type="bool">0</cockpit-mask-1-selector>
+			<cockpit-mask-2-selector type="bool">0</cockpit-mask-2-selector>
+			<cockpit-mask-3-selector type="bool">0</cockpit-mask-3-selector>
+			<cockpit-mask-4-selector type="bool">0</cockpit-mask-4-selector>
+		</oxygen>
 		<pneumatics n="0">
 			<switches n="0">
 				<apu type="bool">0</apu>
@@ -1580,6 +1590,7 @@
 				<operating-3 type="bool">0</operating-3>
 			</adr>
 		</navigation>
+		
 	</systems>
 	
 	<options n="0">

A320neo-CFM.xml

@@ -211,6 +211,7 @@ xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
 	<system file="a320-engine-fire"/>
 	<system file="a320-adr"/>
 	<system file="a320-apu"/>
+	<system file="a320-oxygen"/>
 	<system file="a320-fmgc"/>
 	<system file="a320-misc"/>
 	

A320neo-PW.xml

@@ -211,6 +211,7 @@ xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
 	<system file="a320-engine-fire"/>
 	<system file="a320-adr"/>
 	<system file="a320-apu"/>
+	<system file="a320-oxygen"/>
 	<system file="a320-fmgc"/>
 	<system file="a320-misc"/>
 	

AircraftConfig/groundservices.xml

@@ -342,6 +342,42 @@
                 <value>1</value>
             </binding>
         </button>
+
+        <group>
+            <layout>hbox</layout>
+            <hrule>
+                <stretch type="bool">true</stretch>
+            </hrule>
+            <text>
+                <label>Oxygen</label>
+            </text>
+            <hrule>
+                <stretch type="bool">true</stretch>
+            </hrule>
+        </group>
+		
+		<text>
+			<x>10</x>
+			<y>200</y>
+			<label>8888 litres</label><!-- placeholder for width -->
+			<format>%4.0f litres</format>
+			<property>/systems/oxygen/cockpit-oxygen/cockpit-bottle-L</property>
+			<live>true</live>
+		</text>
+		
+        <button>
+            <legend>Replace Oxygen Bottle</legend>
+            <halign>center</halign>
+            <padding>5</padding>
+			<enable>
+				<property>/gear/gear[1]/wow</property>
+			</enable>
+            <binding>
+                <command>property-assign</command>
+                <property>/systems/oxygen/cockpit-oxygen/cockpit-bottle-L</property>
+                <value>2183</value>
+            </binding>
+        </button>
     </group>
 
 </PropertyList>

Models/Instruments/Lower-ECAM/Lower-ECAM-door.nas

@@ -26,7 +26,6 @@ var canvas_lowerECAMPageDoor =
 		obj["Cabin3LeftSlide"].hide();
 		obj["Cabin3RightSlide"].hide();
 
-		obj["DOOROXY-REGUL-LO-PR"].hide();
 		obj["AvionicsLine1"].hide();
 		obj["AvionicsLine2"].hide();
 		obj["AvionicsLbl1"].hide();
@@ -153,16 +152,23 @@ var canvas_lowerECAMPageDoor =
 					obj["Cargo1Line"].hide();
 				}
 			}),
-			props.UpdateManager.FromHashValue("oxyPB", nil, func(val) {
+			props.UpdateManager.FromHashList(["oxyPB","oxyBottlePress","oxyBottleRegulLoPr"], nil, func(val) {
-				if (val) {
+				if (val.oxyPB) {
-					obj["DOOROXY-OxyIndicator"].setColor(0.8078,0.8039,0.8078);
+					if (val.oxyBottlePress < 300 or val.oxyBottleRegulLoPr) {
-					obj["DOOROXY-PR"].setColor(0.0509,0.7529,0.2941);
+						obj["DOOROXY-OxyIndicator"].setColor(0.7333,0.3803,0);
-					obj["DOOROXY-PR"].setText("1300");
+					} else {
+						obj["DOOROXY-OxyIndicator"].setColor(0.8078,0.8039,0.8078);
+					}
 				} else {
 					obj["DOOROXY-OxyIndicator"].setColor(0.7333,0.3803,0);
-					obj["DOOROXY-PR"].setColor(0.7333,0.3803,0);
-					obj["DOOROXY-PR"].setText("0");
 				}
+				
+				if (val.oxyBottlePress < 300) {
+					obj["DOOROXY-PR"].setColor(0.7333,0.3803,0);
+				} else {
+					obj["DOOROXY-PR"].setColor(0.0509,0.7529,0.2941);
+				}
+				obj["DOOROXY-PR"].setText(sprintf("%4.0f", math.round(val.oxyBottlePress, 10)));
 			}),
 			props.UpdateManager.FromHashValue("pressVS", nil, func(val) {
 				if (val > 9950) {
@@ -186,6 +192,13 @@ var canvas_lowerECAMPageDoor =
 					obj["DOOR-VS-Container"].hide();
 				}
 			}),
+			props.UpdateManager.FromHashValue("oxyBottleRegulLoPr", nil, func(val) {
+				if (val) {
+					obj["DOOROXY-REGUL-LO-PR"].show();
+				} else {
+					obj["DOOROXY-REGUL-LO-PR"].hide();
+				}
+			}),
 		];
 		
 		obj.displayedGForce = 0;
@@ -327,6 +340,8 @@ var input = {
 	cargoBulk: "/sim/model/door-positions/cargobulk/position-norm",
 	cargoFwd: "/sim/model/door-positions/cargofwd/position-norm",
 	oxyPB: "/controls/oxygen/crewOxyPB",
+	oxyBottlePress: "/systems/oxygen/cockpit-oxygen/bottle-psi",
+	oxyBottleRegulLoPr: "/systems/oxygen/cockpit-oxygen/regul-lo-pr",
 };
 
 foreach (var name; keys(input)) {

Systems/a320-oxygen.xml

@@ -0,0 +1,305 @@
+<!-- Airbus A320 Fuel -->
+
+<!-- Copyright (c) 2019 Jonathan Redpath -->
+
+<system name="A320: Oxygen">
+	<property value="2183">/systems/oxygen/cockpit-oxygen/cockpit-bottle-L</property>
+	<property value="15">/systems/oxygen/cockpit-oxygen/distributor-manifold-L</property>
+	
+	<channel name="Cockpit Oxygen" execrate="8">
+		
+		<!-- Bottle: 2183L @ 1850 psi NTPD -->
+		
+		<!-- Regulator: 
+		HP - transducer to ECAM
+		LP - 65 to 94 psi
+		flow: 0 to 300 L / min
+		Cyl PSI: 100 to 2030 psi
+		-->
+		
+		<switch name="/systems/oxygen/cockpit-oxygen/supply-valve-cmd">
+			<default value="0"/>
+			<test logic="AND" value="1"> <!-- solenoid valve; when not energized, it shuts -->
+				/controls/oxygen/crewOxyPB eq 1
+				/systems/electrical/bus/dc-ess-shed ge 25
+			</test>
+		</switch>
+	
+		<actuator name="/systems/oxygen/cockpit-oxygen/supply-valve">
+			<input>/systems/oxygen/cockpit-oxygen/supply-valve-cmd</input>
+			<rate_limit>10</rate_limit>
+		</actuator>
+		
+		<fcs_function name="/systems/oxygen/cockpit-oxygen/mask-1-flow-rate">
+			<function>
+				<product>
+					<quotient>
+						<property>/systems/oxygen/cockpit-oxygen/distributor-manifold-L</property>
+						<value>15</value>
+					</quotient>
+					<property>/controls/oxygen/cockpit-mask-1-on</property>
+					<table>
+						<independentVar lookup="row">/systems/pressurization/cabinalt</independentVar>
+						<independentVar lookup="column">/controls/oxygen/cockpit-mask-1-selector</independentVar>
+						<tableData>
+								    0    1
+							    0   0     29.5
+							 5000   0.0   31.0
+							 8000   0.17  36.4
+							10000   0.71  36.9
+							15000   5.60  37.9
+							20000   15.9  38.9
+							30000   30.4  39.9
+							35000   40.9  40.9
+							40000   41.9  41.9
+						</tableData>
+					</table>
+				</product>
+			</function>
+		</fcs_function>
+		
+		<fcs_function name="/systems/oxygen/cockpit-oxygen/mask-2-flow-rate">
+			<function>
+				<product>
+					<quotient>
+						<property>/systems/oxygen/cockpit-oxygen/distributor-manifold-L</property>
+						<value>15</value>
+					</quotient>
+					<property>/controls/oxygen/cockpit-mask-2-on</property>
+					<table>
+						<independentVar lookup="row">/systems/pressurization/cabinalt</independentVar>
+						<independentVar lookup="column">/controls/oxygen/cockpit-mask-2-selector</independentVar>
+						<tableData>
+								    0    1
+							    0   0     29.5
+							 5000   0.0   31.0
+							 8000   0.17  36.4
+							10000   0.71  36.9
+							15000   5.60  37.9
+							20000   15.9  38.9
+							30000   30.4  39.9
+							35000   40.9  40.9
+							40000   41.9  41.9
+						</tableData>
+					</table>
+				</product>
+			</function>
+		</fcs_function>
+		
+		<fcs_function name="/systems/oxygen/cockpit-oxygen/mask-3-flow-rate">
+			<function>
+				<product>
+					<quotient>
+						<property>/systems/oxygen/cockpit-oxygen/distributor-manifold-L</property>
+						<value>15</value>
+					</quotient>
+					<property>/controls/oxygen/cockpit-mask-3-on</property>
+					<table>
+						<independentVar lookup="row">/systems/pressurization/cabinalt</independentVar>
+						<independentVar lookup="column">/controls/oxygen/cockpit-mask-3-selector</independentVar>
+						<tableData>
+								    0    1
+							    0   0     29.5
+							 5000   0.0   31.0
+							 8000   0.17  36.4
+							10000   0.71  36.9
+							15000   5.60  37.9
+							20000   15.9  38.9
+							30000   30.4  39.9
+							35000   40.9  40.9
+							40000   41.9  41.9
+						</tableData>
+					</table>
+				</product>
+			</function>
+		</fcs_function>
+		
+		<fcs_function name="/systems/oxygen/cockpit-oxygen/mask-4-flow-rate">
+			<function>
+				<product>
+					<quotient>
+						<property>/systems/oxygen/cockpit-oxygen/distributor-manifold-L</property>
+						<value>15</value>
+					</quotient>
+					<property>/controls/oxygen/cockpit-mask-4-on</property>
+					<table>
+						<independentVar lookup="row">/systems/pressurization/cabinalt</independentVar>
+						<independentVar lookup="column">/controls/oxygen/cockpit-mask-4-selector</independentVar>
+						<tableData>
+								    0    1
+							    0   0     29.5
+							 5000   0.0   31.0
+							 8000   0.17  36.4
+							10000   0.71  36.9
+							15000   5.60  37.9
+							20000   15.9  38.9
+							30000   30.4  39.9
+							35000   40.9  40.9
+							40000   41.9  41.9
+						</tableData>
+					</table>
+				</product>
+			</function>
+		</fcs_function>
+		
+		<fcs_function name="Cockpit Oxygen Bottle">
+			<function>
+				<sum>
+					<property>/systems/oxygen/cockpit-oxygen/cockpit-bottle-L</property>
+					<product>
+						<quotient>
+							<property>-/systems/oxygen/cockpit-oxygen/hp-regulator-flow-rate</property>
+							<value>60</value>
+						</quotient>
+						<property>simulation/channel-dt</property>
+					</product>
+				</sum>
+			</function>
+			<output>/systems/oxygen/cockpit-oxygen/cockpit-bottle-L</output>
+			<clipto>
+				<min>0.0</min>
+				<max>2183.0</max>
+			</clipto>
+		</fcs_function>
+		
+		<fcs_function name="/systems/oxygen/cockpit-oxygen/bottle-psi">
+			<function>
+				<product>
+					<value>58.58145</value>
+					<pow>
+						<property>/systems/oxygen/cockpit-oxygen/cockpit-bottle-L</property>
+						<value>0.4512568</value>
+					</pow>
+				</product>
+			</function>
+		</fcs_function>
+		
+		<fcs_function name="/systems/oxygen/cockpit-oxygen/bottle-flow-rate">
+			<function>
+				<table>
+					<independentVar lookup="row">/systems/oxygen/cockpit-oxygen/cockpit-bottle-L</independentVar>
+					<tableData>
+							0   0
+						  500   200
+						 1000   275
+						 2000   300
+						 2183   300
+					</tableData>
+				</table>
+			</function>
+		</fcs_function>
+		
+		<fcs_function name="/systems/oxygen/cockpit-oxygen/distributor-fill-rate">
+			<function>
+				<product>
+					<property>/systems/oxygen/cockpit-oxygen/supply-valve</property>
+					<table>
+						<independentVar lookup="row">/systems/oxygen/cockpit-oxygen/distributor-manifold-L</independentVar>
+						<tableData>
+							0    300
+							14.5 170
+							15   0
+						</tableData>
+					</table>
+				</product>
+			</function>
+		</fcs_function>
+		
+		<fcs_function name="/systems/oxygen/cockpit-oxygen/hp-regulator-flow-rate-calc">
+			<function>
+				<product>
+					<property>/systems/oxygen/cockpit-oxygen/bottle-flow-rate</property>
+					<property>/systems/oxygen/cockpit-oxygen/supply-valve</property>
+				</product>
+			</function>
+		</fcs_function>
+		
+		<fcs_function name="/systems/oxygen/cockpit-oxygen/hp-regulator-flow-rate">
+			<function>
+				<sum>
+					<property>/systems/oxygen/cockpit-oxygen/mask-1-flow-rate</property>
+					<property>/systems/oxygen/cockpit-oxygen/mask-2-flow-rate</property>
+					<property>/systems/oxygen/cockpit-oxygen/mask-3-flow-rate</property>
+					<property>/systems/oxygen/cockpit-oxygen/mask-4-flow-rate</property>
+					<property>/systems/oxygen/cockpit-oxygen/distributor-fill-rate</property>
+				</sum>
+			</function>
+			<clipto>
+				<min>0.0</min>
+				<max>/systems/oxygen/cockpit-oxygen/hp-regulator-flow-rate-calc</max>
+			</clipto>
+		</fcs_function>
+		
+		<!-- Distributor -->
+		<fcs_function name="/systems/oxygen/cockpit-oxygen/distributor-manifold-rate">
+			<function>
+				<sum>
+					<property>-/systems/oxygen/cockpit-oxygen/mask-1-flow-rate</property>
+					<property>-/systems/oxygen/cockpit-oxygen/mask-2-flow-rate</property>
+					<property>-/systems/oxygen/cockpit-oxygen/mask-3-flow-rate</property>
+					<property>-/systems/oxygen/cockpit-oxygen/mask-4-flow-rate</property>
+					<property>/systems/oxygen/cockpit-oxygen/hp-regulator-flow-rate</property>
+				</sum>
+			</function>
+		</fcs_function>
+		
+		<fcs_function name="Cockpit Oxygen Distributor">
+			<function>
+				<sum>
+					<property>/systems/oxygen/cockpit-oxygen/distributor-manifold-L</property>
+					<product>
+						<quotient>
+							<property>/systems/oxygen/cockpit-oxygen/distributor-manifold-rate</property>
+							<value>60</value>
+						</quotient>
+						<property>simulation/channel-dt</property>
+					</product>
+				</sum>
+			</function>
+			<output>/systems/oxygen/cockpit-oxygen/distributor-manifold-L</output>
+			<clipto>
+				<min>0.0</min>
+				<max>15.0</max>
+			</clipto>
+		</fcs_function>
+		
+		<fcs_function name="/systems/oxygen/cockpit-oxygen/distributor-psi">
+			<function>
+				<product>
+					<value>75</value>
+					<log10>
+						<sum>
+							<property>/systems/oxygen/cockpit-oxygen/distributor-manifold-L</property>
+							<value>1</value>
+						</sum>
+					</log10>
+				</product>
+			</function>
+		</fcs_function>
+		
+		<switch name="/systems/oxygen/cockpit-oxygen/regul-lo-pr">
+			<default value="0"/>
+			<test logic="OR" value="1">
+				/systems/oxygen/cockpit-oxygen/distributor-psi lt 50
+			</test>
+		</switch>
+	</channel>
+	
+	<channel name="Passenger Oxygen" execrate="8">
+	
+		<!-- Chemical generators
+		Masks drop automatically if altitude > 14000 or 16000 if HI ALT
+		or MAN ON button
+		Taped message + SYS ON comes online
+		15 minutes supply
+		SYS ON goes off only when TIMER RESET
+		
+		Door actuators AC ESS SHED 801PP
+		Pressure switch for 14K feet powered by 401PP (DC ESS)
+		Reset + taped msg + sys on light powred by 401PP
+		
+		Regulators: below 10k zero flow
+		-->
+	</channel>
+
+</system>