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A320-family/Systems/a320-oxygen.xml

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Experimental cockpit oxygen system
2021-07-29 12:19:27 +00:00
<!-- 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 -->
Passenger oxygen system
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/controls/oxygen/cockpit-oxygen-supply-pb eq 1
Experimental cockpit oxygen system
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/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">
Passenger oxygen system
2021-07-29 12:51:23 +00:00
<switch name="/systems/oxygen/passenger-oxygen/pressure-switch">
<defualt value="0"/>
<test logic="AND" value="1">
/systems/pressurization/cabinalt ge 14000
/systems/electrical/bus/dc-ess ge 25
</test>
<!-- HI ALT 16000 -->
</switch>
Experimental cockpit oxygen system
2021-07-29 12:19:27 +00:00
Passenger oxygen system
2021-07-29 12:51:23 +00:00
<switch name="/systems/oxygen/passenger-oxygen/masks-deploy-cmd">
<default value="0"/>
<test logic="OR" value="1">
/systems/oxygen/passenger-oxygen/pressure-switch eq 1
/controls/oxygen/passenger-mask-deploy-man eq 1
</test>
</switch>
Experimental cockpit oxygen system
2021-07-29 12:19:27 +00:00
Passenger oxygen system
2021-07-29 12:51:23 +00:00
<switch name="/systems/oxygen/passenger-oxygen/masks-deploy">
<default value="/systems/oxygen/passenger-oxygen/masks-deploy"/>
<test logic="AND" value="1">
/systems/oxygen/passenger-oxygen/masks-deploy-cmd eq 1
/systems/electrical/bus/ac-ess-shed ge 110
</test>
</switch>
<switch name="Sys On Light">
<default value="/systems/oxygen/passenger-oxygen/sys-on-light"/>
<test logic="OR" value="0">
/controls/oxygen/passenger-mask-reset eq 1
OXygen: fix power supply
2022-01-02 18:46:45 +00:00
/systems/electrical/bus/dc-ess-shed lt 25
Passenger oxygen system
2021-07-29 12:51:23 +00:00
</test>
<test logic="AND" value="1">
/systems/oxygen/passenger-oxygen/masks-deploy-cmd eq 1
OXygen: fix power supply
2022-01-02 18:46:45 +00:00
/systems/electrical/bus/dc-ess-shed ge 25
Passenger oxygen system
2021-07-29 12:51:23 +00:00
</test>
<output>/systems/oxygen/passenger-oxygen/sys-on-light</output>
</switch>
Experimental cockpit oxygen system
2021-07-29 12:19:27 +00:00
</channel>
</system>
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