1
0
Fork 0
A320-family/Systems/a320-fuel.xml
2021-03-01 17:46:09 +00:00

859 lines
29 KiB
XML

<?xml version="1.0"?>
<!-- Airbus A320 Fuel -->
<!-- Copyright (c) 2019 Jonathan Redpath -->
<system name="A320: Fuel:">
<channel name="Fuel Pumps and Valves" execrate="8">
<!-- Pumps -->
<switch name="/systems/fuel/pumps/apu-operate"> <!-- DC HOT 1 ? -->
<default value="0"/>
<test logic="AND" value="1">
/systems/fuel/pumps/all-eng-pump-off eq 1
<test logic="OR">
/systems/electrical/bus/ac-ess-shed ge 110 <!-- TODO 2QC breaker -->
/systems/electrical/bus/ac-si-bus ge 110 <!-- TODO 1QC breaker -->
</test>
</test>
</switch>
<switch name="/systems/fuel/pumps/wing-pump-left-1-operate">
<default value="0"/>
<test logic="AND" value="1">
/controls/fuel/switches/pump-left-1 eq 1
/systems/failures/fuel/left-tank-pump-1 ne 1
<test logic="OR">
<test logic="AND">
/systems/electrical/sources/idg-1/pmg-volt ge 110
/controls/electrical/switches/gen-1-line-contactor eq 1
</test>
/systems/electrical/bus/ac-1 ge 110
</test>
</test>
</switch>
<switch name="/systems/fuel/pumps/wing-pump-left-2-operate">
<default value="0"/>
<test logic="AND" value="1">
/systems/failures/fuel/left-tank-pump-2 ne 1
/controls/fuel/switches/pump-left-2 eq 1
/systems/electrical/bus/ac-2 ge 110
</test>
</switch>
<switch name="/systems/fuel/pumps/wing-pump-right-1-operate">
<default value="0"/>
<test logic="AND" value="1">
/controls/fuel/switches/pump-right-1 eq 1
/systems/failures/fuel/right-tank-pump-1 ne 1
<test logic="OR">
<test logic="AND">
/systems/electrical/sources/idg-1/pmg-volt ge 110
/controls/electrical/switches/gen-1-line-contactor eq 1
</test>
/systems/electrical/bus/ac-1 ge 110
</test>
</test>
</switch>
<switch name="/systems/fuel/pumps/wing-pump-right-2-operate">
<default value="0"/>
<test logic="AND" value="1">
/systems/failures/fuel/right-tank-pump-2 ne 1
/controls/fuel/switches/pump-right-2 eq 1
/systems/electrical/bus/ac-2 ge 110
</test>
</switch>
<fcs_function name="/systems/fuel/internal/left-inner-tank-underfull-level">
<function>
<difference>
<property>/consumables/fuel/tank[1]/capacity-gal_us</property>
<value>106.197</value>
</difference>
</function>
</fcs_function>
<fcs_function name="/systems/fuel/internal/right-inner-tank-underfull-level">
<function>
<difference>
<property>/consumables/fuel/tank[3]/capacity-gal_us</property>
<value>106.197</value>
</difference>
</function>
</fcs_function>
<switch name="/systems/fuel/left-inner-full">
<default value="0"/>
<test logic="AND" value="1">
/systems/fuel/left-inner-full eq 1
/consumables/fuel/tank[1]/level-norm lt 0.999
/consumables/fuel/tank[1]/level-gal_us ge /systems/fuel/internal/left-inner-tank-underfull-level
</test>
<test value="1">
/consumables/fuel/tank[1]/level-norm gt 0.999
</test>
</switch>
<switch name="/systems/fuel/right-inner-full">
<default value="0"/>
<test logic="AND" value="1">
/systems/fuel/right-inner-full eq 1
/consumables/fuel/tank[3]/level-norm lt 0.999
/consumables/fuel/tank[3]/level-gal_us ge /systems/fuel/internal/right-inner-tank-underfull-level
</test>
<test value="1">
/consumables/fuel/tank[3]/level-norm gt 0.999
</test>
</switch>
<switch name="/systems/fuel/pumps/center-pump-1-operate">
<default value="0"/>
<test logic="AND" value="1">
/systems/failures/fuel/center-tank-pump-1 ne 1
/controls/fuel/switches/pump-center-1 eq 1
<test logic="OR">
/controls/fuel/switches/center-mode eq 0
<test logic="AND">
/systems/fuel/pumps/center-control-low-level ne 1
<test logic="OR">
/systems/fuel/ctr-pump-cmd-on-eng-start eq 1
<test logic="AND">
fcs/slat-pos-deg lt 16
/systems/fuel/left-inner-full ne 1
</test>
</test>
</test>
</test>
/systems/electrical/bus/ac-1 ge 110
</test>
</switch>
<switch name="/systems/fuel/pumps/center-pump-2-operate">
<default value="0"/>
<test logic="AND" value="1">
/controls/fuel/switches/pump-center-2 eq 1
/systems/failures/fuel/center-tank-pump-2 ne 1
<test logic="OR">
/controls/fuel/switches/center-mode eq 0
<test logic="AND">
/systems/fuel/pumps/center-control-low-level ne 1
<test logic="OR">
/systems/fuel/ctr-pump-cmd-on-eng-start eq 1
<test logic="AND">
fcs/slat-pos-deg lt 16
/systems/fuel/left-inner-full ne 1
</test>
</test>
</test>
</test>
/systems/electrical/bus/ac-2 ge 110
</test>
</switch>
<switch name="/systems/fuel/pumps/all-eng-pump-off">
<default value="0"/>
<test logic="AND" value="1">
/systems/fuel/pumps/wing-pump-left-1-operate eq 0
/systems/fuel/pumps/wing-pump-left-2-operate eq 0
/systems/fuel/pumps/wing-pump-right-1-operate eq 0
/systems/fuel/pumps/wing-pump-right-2-operate eq 0
/systems/fuel/pumps/center-pump-1-operate eq 0
/systems/fuel/pumps/center-pump-2-operate eq 0
</test>
</switch>
<switch name="/systems/fuel/quantity/left-wing-inner-low">
<default value="0"/>
<test value="1">
propulsion/tank[1]/contents-lbs le 1650
</test>
</switch>
<switch name="/systems/fuel/quantity/center-low">
<default value="0"/>
<test value="1">
propulsion/tank[2]/contents-lbs le 220
</test>
</switch>
<switch name="/systems/fuel/quantity/right-wing-inner-low">
<default value="0"/>
<test value="1">
propulsion/tank[3]/contents-lbs le 1650
</test>
</switch>
<actuator name="/systems/fuel/pumps/center-control-low-level">
<description>Timer for the Fuel Center pumps</description>
<input>/systems/fuel/quantity/center-low</input>
<rate_limit sense="decr">120</rate_limit> <!-- Instant -->
<rate_limit sense="incr">0.00333</rate_limit> <!-- 300 seconds -->
</actuator>
<!-- Valves -->
<switch name="/systems/fuel/valves/outer-inner-transfer-valve-1-cmd">
<default value="0"/>
<test logic="AND" value="1">
/systems/fuel/valves/outer-inner-transfer-valve-1-cmd eq 1
/systems/fuel/refuel/refuelling eq 0
</test>
<test logic="AND" value="1">
/systems/fuel/valves/outer-inner-transfer-valve-1-power ne 0
<test logic="OR">
/systems/fuel/quantity/left-wing-inner-low eq 1
/systems/fuel/quantity/right-wing-inner-low eq 1
</test>
/systems/fuel/refuel/refuelling eq 0
</test>
</switch>
<switch name="/systems/fuel/valves/outer-inner-transfer-valve-1-power">
<default value="0"/>
<test logic="OR" value="0.333">
/systems/electrical/bus/dc-ess-shed ge 25
/systems/electrical/bus/dc-2 ge 25
</test>
</switch>
<actuator name="/systems/fuel/valves/outer-inner-transfer-valve-1">
<input>/systems/fuel/valves/outer-inner-transfer-valve-1-cmd</input>
<rate_limit>/systems/fuel/valves/outer-inner-transfer-valve-1-power</rate_limit>
</actuator>
<switch name="/systems/fuel/valves/outer-inner-transfer-valve-2-cmd">
<default value="0"/>
<test logic="AND" value="1">
/systems/fuel/valves/outer-inner-transfer-valve-2-cmd eq 1
/systems/fuel/refuel/refuelling eq 0
</test>
<test logic="AND" value="1">
/systems/fuel/valves/outer-inner-transfer-valve-2-power ne 0
<test logic="OR">
/systems/fuel/quantity/left-wing-inner-low eq 1
/systems/fuel/quantity/right-wing-inner-low eq 1
</test>
/systems/fuel/refuel/refuelling eq 0
</test>
</switch>
<switch name="/systems/fuel/valves/outer-inner-transfer-valve-2-power">
<default value="0"/>
<test logic="OR" value="0.333">
/systems/electrical/bus/dc-ess-shed ge 25
/systems/electrical/bus/dc-2 ge 25
</test>
</switch>
<actuator name="/systems/fuel/valves/outer-inner-transfer-valve-2">
<input>/systems/fuel/valves/outer-inner-transfer-valve-2-cmd</input>
<rate_limit>/systems/fuel/valves/outer-inner-transfer-valve-2-power</rate_limit>
</actuator>
<!-- XFeed Valve -->
<switch name="/systems/fuel/valves/crossfeed-valve-cmd">
<default value="0"/>
<test value="1">
/controls/fuel/switches/crossfeed eq 1
</test>
</switch>
<switch name="/systems/fuel/valves/crossfeed-valve-power">
<default value="0"/>
<test logic="OR" value="0.5">
/systems/electrical/bus/dc-2 ge 25
/systems/electrical/bus/dc-ess-shed ge 25
</test>
</switch>
<actuator name="/systems/fuel/valves/crossfeed-valve">
<input>/systems/fuel/valves/crossfeed-valve-cmd</input>
<rate_limit>/systems/fuel/valves/crossfeed-valve-power</rate_limit>
</actuator>
<!-- Engine LP Valves -->
<switch name="/systems/fuel/valves/engine-1-lp-valve-cmd">
<default value="0"/>
<test logic="AND" value="1">
/controls/engines/engine[0]/fire-btn eq 0
/controls/engines/engine[0]/cutoff-switch eq 0
</test>
</switch>
<switch name="/systems/fuel/valves/engine-1-lp-valve-power">
<default value="0"/>
<test logic="OR" value="1.0">
/systems/electrical/bus/dc-ess-shed ge 25
/systems/electrical/bus/dc-2 ge 25
</test>
</switch>
<actuator name="/systems/fuel/valves/engine-1-lp-valve">
<input>/systems/fuel/valves/engine-1-lp-valve-cmd</input>
<rate_limit>/systems/fuel/valves/engine-1-lp-valve-power</rate_limit>
</actuator>
<switch name="/systems/fuel/valves/engine-2-lp-valve-cmd">
<default value="0"/>
<test logic="AND" value="1">
/controls/engines/engine[1]/fire-btn eq 0
/controls/engines/engine[1]/cutoff-switch eq 0
</test>
</switch>
<switch name="/systems/fuel/valves/engine-2-lp-valve-power">
<default value="0"/>
<test logic="OR" value="1.0">
/systems/electrical/bus/dc-ess-shed ge 25
/systems/electrical/bus/dc-2 ge 25
</test>
</switch>
<actuator name="/systems/fuel/valves/engine-2-lp-valve">
<input>/systems/fuel/valves/engine-2-lp-valve-cmd</input>
<rate_limit>/systems/fuel/valves/engine-2-lp-valve-power</rate_limit>
</actuator>
<switch name="/systems/fuel/valves/apu-lp-valve-power">
<default value="0"/>
<test logic="OR" value="1.0">
/systems/electrical/bus/dc-bat ge 25 <!-- 4WF -->
/systems/electrical/bus/dc-hot-1 ge 25 <!-- 3WF -->
</test>
</switch>
<actuator name="/systems/fuel/valves/apu-lp-valve">
<input>/systems/fuel/valves/apu-lp-valve-cmd</input>
<rate_limit>/systems/fuel/valves/apu-lp-valve-power</rate_limit>
</actuator>
<!-- Pump PSI -->
<pure_gain name="/systems/fuel/pumps/apu-psi-cmd">
<input>/systems/fuel/pumps/apu-operate</input>
<gain>25.3</gain> <!-- 9600 lb/h (guess) -->
</pure_gain>
<actuator name="/systems/fuel/pumps/apu-psi">
<input>/systems/fuel/pumps/apu-psi-cmd</input>
<rate_limit sense="incr">5</rate_limit>
<rate_limit sense="decr">10</rate_limit>
</actuator>
<pure_gain name="/systems/fuel/pumps/wing-pump-left-1-psi-cmd">
<input>/systems/fuel/pumps/wing-pump-left-1-operate</input>
<gain>25.3</gain> <!-- 9600 lb/h (guess) -->
</pure_gain>
<actuator name="/systems/fuel/pumps/wing-pump-left-1-psi">
<input>/systems/fuel/pumps/wing-pump-left-1-psi-cmd</input>
<rate_limit sense="incr">5</rate_limit>
<rate_limit sense="decr">10</rate_limit>
</actuator>
<pure_gain name="/systems/fuel/pumps/wing-pump-left-2-psi-cmd">
<input>/systems/fuel/pumps/wing-pump-left-2-operate</input>
<gain>25.3</gain> <!-- 9600 lb/h (guess) -->
</pure_gain>
<actuator name="/systems/fuel/pumps/wing-pump-left-2-psi">
<input>/systems/fuel/pumps/wing-pump-left-2-psi-cmd</input>
<rate_limit sense="incr">5</rate_limit>
<rate_limit sense="decr">10</rate_limit>
</actuator>
<pure_gain name="/systems/fuel/pumps/center-pump-1-psi-cmd">
<input>/systems/fuel/pumps/center-pump-1-operate</input>
<gain>30</gain> <!-- 11000 lb/h -->
</pure_gain>
<actuator name="/systems/fuel/pumps/center-pump-1-psi">
<input>/systems/fuel/pumps/center-pump-1-psi-cmd</input>
<rate_limit sense="incr">5</rate_limit>
<rate_limit sense="decr">10</rate_limit>
</actuator>
<pure_gain name="/systems/fuel/pumps/center-pump-2-psi-cmd">
<input>/systems/fuel/pumps/center-pump-2-operate</input>
<gain>30</gain> <!-- 11000 lb/h -->
</pure_gain>
<actuator name="/systems/fuel/pumps/center-pump-2-psi">
<input>/systems/fuel/pumps/center-pump-2-psi-cmd</input>
<rate_limit sense="incr">5</rate_limit>
<rate_limit sense="decr">10</rate_limit>
</actuator>
<pure_gain name="/systems/fuel/pumps/wing-pump-right-1-psi-cmd">
<input>/systems/fuel/pumps/wing-pump-right-1-operate</input>
<gain>25.3</gain> <!-- 9600 lb/h (guess) -->
</pure_gain>
<actuator name="/systems/fuel/pumps/wing-pump-right-1-psi">
<input>/systems/fuel/pumps/wing-pump-right-1-psi-cmd</input>
<rate_limit sense="incr">5</rate_limit>
<rate_limit sense="decr">10</rate_limit>
</actuator>
<pure_gain name="/systems/fuel/pumps/wing-pump-right-2-psi-cmd">
<input>/systems/fuel/pumps/wing-pump-right-2-operate</input>
<gain>25.3</gain> <!-- 9600 lb/h (guess) -->
</pure_gain>
<actuator name="/systems/fuel/pumps/wing-pump-right-2-psi">
<input>/systems/fuel/pumps/wing-pump-right-2-psi-cmd</input>
<rate_limit sense="incr">5</rate_limit>
<rate_limit sense="decr">10</rate_limit>
</actuator>
</channel>
<channel name="Flow Rates" execrate="2">
<summer name="/systems/fuel/fuel-used-1">
<input>/systems/fuel/offset-left</input>
<input>propulsion/engine[0]/fuel-used-lbs</input>
</summer>
<summer name="/systems/fuel/fuel-used-2">
<input>/systems/fuel/offset-right</input>
<input>propulsion/engine[1]/fuel-used-lbs</input>
</summer>
<switch name="/systems/fuel/feed-left-inner">
<default value="0"/>
<test logic="OR" value="1">
/systems/fuel/pumps/wing-pump-left-1-operate eq 1
/systems/fuel/pumps/wing-pump-left-2-operate eq 1
</test>
<test logic="AND" value="0"> <!-- crossfeeding overrides gravity feed -->
/systems/fuel/valves/crossfeed-valve eq 1
<test logic="OR">
/systems/fuel/pumps/wing-pump-right-1-operate eq 1
/systems/fuel/pumps/wing-pump-right-2-operate eq 1
</test>
</test>
<test logic="AND" value="1"> <!-- Suction/Gravity feed if G is not to far below 1 -->
/accelerations/pilot-gdamped ge 0.5
</test>
</switch>
<switch name="/systems/fuel/feed-right-inner">
<default value="0"/>
<test logic="OR" value="1">
/systems/fuel/pumps/wing-pump-right-1-operate eq 1
/systems/fuel/pumps/wing-pump-right-2-operate eq 1
</test>
<test logic="AND" value="0"> <!-- crossfeeding overrides gravity feed -->
/systems/fuel/valves/crossfeed-valve eq 1
<test logic="OR">
/systems/fuel/pumps/wing-pump-left-1-operate eq 1
/systems/fuel/pumps/wing-pump-left-2-operate eq 1
</test>
</test>
<test logic="AND" value="1"> <!-- Suction/Gravity feed if G is not to far below 1 -->
/accelerations/pilot-gdamped ge 0.5
</test>
</switch>
<switch name="/systems/fuel/feed-center-1">
<default value="0"/>
<test logic="OR" value="1">
/systems/fuel/pumps/center-pump-1-operate eq 1
</test>
</switch>
<switch name="/systems/fuel/feed-center-2">
<default value="0"/>
<test logic="OR" value="1">
/systems/fuel/pumps/center-pump-2-operate eq 1
</test>
</switch>
<switch name="/systems/fuel/apu-feed-pump">
<default value="0"/>
<test logic="AND" value="1">
/systems/fuel/pumps/apu-operate eq 1
/systems/fuel/valves/apu-lp-valve eq 1
</test>
</switch>
<!-- Refuel system -->
<switch name="/systems/fuel/internal/left-outer-wing-tank-refuel">
<default value="0"/>
<test logic="AND" value="16.615">
/systems/fuel/refuel/refuelling eq 1
/systems/fuel/refuel/left-valve eq 1
/systems/fuel/refuel/center-valve eq 0
</test>
<test logic="AND" value="11.076">
/systems/fuel/refuel/refuelling eq 1
/systems/fuel/refuel/left-valve eq 1
/systems/fuel/refuel/center-valve eq 1
</test>
</switch>
<switch name="/systems/fuel/internal/left-inner-wing-tank-refuel">
<default value="0"/>
<test logic="AND" value="/systems/fuel/internal/left-outer-wing-tank-refuel">
/systems/fuel/refuel/refuelling eq 1
propulsion/tank[0]/pct-full ge 99.9
</test>
</switch>
<switch name="/systems/fuel/internal/center-tank-refuel">
<default value="0"/>
<test logic="AND" value="33.230">
/systems/fuel/refuel/refuelling eq 1
/systems/fuel/refuel/right-valve eq 0
/systems/fuel/refuel/center-valve eq 1
</test>
<test logic="AND" value="16.615">
/systems/fuel/refuel/refuelling eq 1
<test logic="OR">
<test logic="AND">
/systems/fuel/refuel/left-valve eq 1
/systems/fuel/refuel/right-valve eq 0
</test>
<test logic="AND">
/systems/fuel/refuel/left-valve eq 0
/systems/fuel/refuel/right-valve eq 1
</test>
</test>
/systems/fuel/refuel/center-valve eq 1
</test>
<test logic="AND" value="11.076">
/systems/fuel/refuel/refuelling eq 1
/systems/fuel/refuel/left-valve eq 1
/systems/fuel/refuel/right-valve eq 1
/systems/fuel/refuel/center-valve eq 1
</test>
</switch>
<switch name="/systems/fuel/internal/right-outer-wing-tank-refuel">
<default value="0"/>
<test logic="AND" value="16.615">
/systems/fuel/refuel/refuelling eq 1
/systems/fuel/refuel/right-valve eq 1
/systems/fuel/refuel/center-valve eq 0
</test>
<test logic="AND" value="11.076">
/systems/fuel/refuel/refuelling eq 1
/systems/fuel/refuel/right-valve eq 1
/systems/fuel/refuel/center-valve eq 1
</test>
</switch>
<switch name="/systems/fuel/internal/right-inner-wing-tank-refuel">
<default value="0"/>
<test logic="AND" value="/systems/fuel/internal/right-outer-wing-tank-refuel">
/systems/fuel/refuel/refuelling eq 1
propulsion/tank[4]/pct-full ge 99.9
</test>
</switch>
<switch name="rubbish/pipes-unusable-volume-1">
<default value="0"/>
<test logic="AND" value="1.5">
/systems/acconfig/autoconfig-running eq 0
/systems/fuel/valves/engine-1-lp-valve eq 0
</test>
<output>propulsion/tank[5]/unusable-volume-gal</output>
</switch>
<switch name="rubbish/pipes-unusable-volume-2">
<default value="0"/>
<test logic="AND" value="1.5">
/systems/acconfig/autoconfig-running eq 0
/systems/fuel/valves/engine-2-lp-valve eq 0
</test>
<output>propulsion/tank[6]/unusable-volume-gal</output>
</switch>
<switch name="rubbish/pipes-unusable-volume-apu">
<default value="0"/>
<test logic="AND" value="1.5">
/systems/acconfig/autoconfig-running eq 0
/systems/fuel/valves/apu-lp-valve eq 0
</test>
<output>propulsion/tank[7]/unusable-volume-gal</output>
</switch>
<!-- Feed system -->
<switch name="/systems/fuel/internal/apu-source"> <!-- this only when all pumps off -->
<default value="0"/> <!-- no fuel -->
<test logic="AND" value="2"> <!-- center preferentially, higher psi -->
/systems/fuel/apu-feed-pump eq 1
/consumables/fuel/tank[2]/level-gal_us gt /consumables/fuel/tank[2]/unusable-gal_us
</test>
<test logic="AND" value="1"> <!-- left -->
/systems/fuel/apu-feed-pump eq 1
/consumables/fuel/tank[1]/level-gal_us gt /consumables/fuel/tank[1]/unusable-gal_us
</test>
<test logic="AND" value="3"> <!-- right -->
/systems/fuel/apu-feed-pump eq 1
/systems/fuel/valves/crossfeed-valve eq 1
/consumables/fuel/tank[3]/level-gal_us gt /consumables/fuel/tank[3]/unusable-gal_us
</test>
</switch>
<switch name="/systems/fuel/internal/left-wing-tank-eng-1">
<default value="0"/>
<test logic="AND" value="9">
<test logic="OR">
/systems/fuel/quantity/center-low eq 1
/systems/fuel/feed-center-1 eq 0
</test>
/systems/fuel/feed-left-inner eq 1
/consumables/fuel/tank[1]/level-gal_us gt /consumables/fuel/tank[1]/unusable-gal_us
propulsion/tank[5]/contents-lbs lt 9
</test>
</switch>
<switch name="/systems/fuel/internal/center-tank-eng-1">
<default value="0"/>
<test logic="AND" value="9">
<test logic="OR">
/systems/fuel/feed-center-1 eq 1
<test logic="AND">
/systems/fuel/feed-center-2 eq 1
/systems/fuel/valves/crossfeed-valve eq 1
</test>
</test>
/consumables/fuel/tank[2]/level-gal_us gt /consumables/fuel/tank[2]/unusable-gal_us
propulsion/tank[5]/contents-lbs lt 9
</test>
</switch>
<switch name="/systems/fuel/internal/right-wing-tank-eng-1">
<default value="0"/>
<test logic="AND" value="9">
<test logic="OR">
/systems/fuel/quantity/center-low eq 1
/systems/fuel/feed-center-2 eq 0
</test>
/systems/fuel/feed-right-inner eq 1
/systems/fuel/valves/crossfeed-valve eq 1
/consumables/fuel/tank[1]/level-gal_us le /consumables/fuel/tank[3]/unusable-gal_us
/consumables/fuel/tank[3]/level-gal_us gt /consumables/fuel/tank[3]/unusable-gal_us
propulsion/tank[5]/contents-lbs lt 9
</test>
</switch>
<switch name="/systems/fuel/internal/left-wing-tank-eng-2">
<default value="0"/>
<test logic="AND" value="9">
<test logic="OR">
/systems/fuel/quantity/center-low eq 1
/systems/fuel/feed-center-1 eq 0
</test>
/systems/fuel/feed-left-inner eq 1
/systems/fuel/valves/crossfeed-valve eq 1
/consumables/fuel/tank[1]/level-gal_us gt /consumables/fuel/tank[1]/unusable-gal_us
/consumables/fuel/tank[3]/level-gal_us le /consumables/fuel/tank[3]/unusable-gal_us
propulsion/tank[6]/contents-lbs lt 9
</test>
</switch>
<switch name="/systems/fuel/internal/center-tank-eng-2">
<default value="0"/>
<test logic="AND" value="9">
<test logic="OR">
/systems/fuel/feed-center-2 eq 1
<test logic="AND">
/systems/fuel/feed-center-1 eq 1
/systems/fuel/valves/crossfeed-valve eq 1
</test>
</test>
/consumables/fuel/tank[2]/level-gal_us gt /consumables/fuel/tank[2]/unusable-gal_us
propulsion/tank[6]/contents-lbs lt 9
</test>
</switch>
<switch name="/systems/fuel/internal/right-wing-tank-eng-2">
<default value="0"/>
<test logic="AND" value="9">
<test logic="OR">
/systems/fuel/quantity/center-low eq 1
/systems/fuel/feed-center-2 eq 0
</test>
/systems/fuel/feed-right-inner eq 1
/consumables/fuel/tank[3]/level-gal_us gt /consumables/fuel/tank[3]/unusable-gal_us
propulsion/tank[6]/contents-lbs lt 9
</test>
</switch>
<switch name="/systems/fuel/internal/left-wing-tank-apu">
<default value="0"/>
<test logic="AND" value="9">
<test logic="OR">
/systems/fuel/quantity/center-low eq 1
/systems/fuel/feed-center-1 eq 0
</test>
<test logic="OR">
/systems/fuel/pumps/wing-pump-left-1-operate eq 1
/systems/fuel/pumps/wing-pump-left-2-operate eq 1
/systems/fuel/internal/apu-source eq 1
</test>
/consumables/fuel/tank[1]/level-gal_us gt /consumables/fuel/tank[1]/unusable-gal_us
propulsion/tank[7]/contents-lbs lt 9
</test>
</switch>
<switch name="/systems/fuel/internal/center-tank-apu">
<default value="0"/>
<test logic="AND" value="9">
<test logic="OR">
/systems/fuel/feed-center-1 eq 1
<test logic="AND">
/systems/fuel/feed-center-2 eq 1
/systems/fuel/valves/crossfeed-valve eq 1
</test>
/systems/fuel/internal/apu-source eq 2
</test>
/consumables/fuel/tank[2]/level-gal_us gt /consumables/fuel/tank[2]/unusable-gal_us
propulsion/tank[7]/contents-lbs lt 9
</test>
</switch>
<switch name="/systems/fuel/internal/right-wing-tank-apu">
<default value="0"/>
<test logic="AND" value="9">
<test logic="OR">
/systems/fuel/quantity/center-low eq 1
/systems/fuel/feed-center-1 eq 0
</test>
<test logic="OR">
/systems/fuel/pumps/wing-pump-right-1-operate eq 1
/systems/fuel/pumps/wing-pump-right-2-operate eq 1
/systems/fuel/internal/apu-source eq 3
</test>
/systems/fuel/valves/crossfeed-valve eq 1
/consumables/fuel/tank[3]/level-gal_us gt /consumables/fuel/tank[3]/unusable-gal_us
propulsion/tank[7]/contents-lbs lt 9
</test>
</switch>
<switch name="/systems/fuel/internal/left-wing-outer-to-inner-tank">
<default value="0"/>
<test logic="AND" value="/systems/fuel/internal/left-outer-wing-tank-refuel">
/systems/fuel/valves/outer-inner-transfer-valve-1 eq 1
/accelerations/pilot-gdamped ge 0.5
/consumables/fuel/tank[0]/level-gal_us gt /consumables/fuel/tank[0]/unusable-gal_us
/consumables/fuel/tank[1]/level-norm lt 0.9999
/systems/fuel/refuel/refuelling eq 1
</test>
<test logic="AND" value="9">
/systems/fuel/valves/outer-inner-transfer-valve-1 eq 1
/accelerations/pilot-gdamped ge 0.5
/consumables/fuel/tank[0]/level-gal_us gt /consumables/fuel/tank[0]/unusable-gal_us
/consumables/fuel/tank[1]/level-norm lt 0.9999
</test>
</switch>
<switch name="/systems/fuel/internal/right-wing-outer-to-inner-tank">
<default value="0"/>
<test logic="AND" value="/systems/fuel/internal/right-outer-wing-tank-refuel">
/systems/fuel/valves/outer-inner-transfer-valve-2 eq 1
/accelerations/pilot-gdamped ge 0.5
/consumables/fuel/tank[4]/level-gal_us gt /consumables/fuel/tank[0]/unusable-gal_us
/consumables/fuel/tank[3]/level-norm lt 0.9999
/systems/fuel/refuel/refuelling eq 1
</test>
<test logic="AND" value="9">
/systems/fuel/valves/outer-inner-transfer-valve-2 eq 1
/accelerations/pilot-gdamped ge 0.5
/consumables/fuel/tank[4]/level-gal_us gt /consumables/fuel/tank[4]/unusable-gal_us
/consumables/fuel/tank[3]/level-norm lt 0.9999
</test>
</switch>
</channel>
<channel name="Final Flow Rates">
<summer name="/systems/fuel/internal/left-outer-flow-rate">
<input>/systems/fuel/internal/left-outer-wing-tank-refuel</input>
<input>-/systems/fuel/internal/left-wing-outer-to-inner-tank</input>
<output>propulsion/tank[0]/external-flow-rate-pps</output>
</summer>
<summer name="/systems/fuel/internal/left-inner-flow-rate">
<input>/systems/fuel/internal/left-wing-outer-to-inner-tank</input>
<input>/systems/fuel/internal/left-inner-wing-tank-refuel</input>
<input>-/systems/fuel/internal/left-wing-tank-eng-1</input>
<input>-/systems/fuel/internal/left-wing-tank-eng-2</input>
<input>-/systems/fuel/internal/left-wing-tank-apu</input>
<output>propulsion/tank[1]/external-flow-rate-pps</output>
</summer>
<summer name="/systems/fuel/internal/center-flow-rate">
<input>/systems/fuel/internal/center-tank-refuel</input>
<input>-/systems/fuel/internal/center-tank-eng-1</input>
<input>-/systems/fuel/internal/center-tank-eng-2</input>
<input>-/systems/fuel/internal/center-tank-apu</input>
<output>propulsion/tank[2]/external-flow-rate-pps</output>
</summer>
<summer name="/systems/fuel/internal/right-inner-flow-rate">
<input>/systems/fuel/internal/right-wing-outer-to-inner-tank</input>
<input>/systems/fuel/internal/right-inner-wing-tank-refuel</input>
<input>-/systems/fuel/internal/right-wing-tank-eng-1</input>
<input>-/systems/fuel/internal/right-wing-tank-eng-2</input>
<input>-/systems/fuel/internal/right-wing-tank-apu</input>
<output>propulsion/tank[3]/external-flow-rate-pps</output>
</summer>
<summer name="/systems/fuel/internal/right-outer-flow-rate">
<input>/systems/fuel/internal/right-outer-wing-tank-refuel</input>
<input>-/systems/fuel/internal/right-wing-outer-to-inner-tank</input>
<output>propulsion/tank[4]/external-flow-rate-pps</output>
</summer>
<summer name="/systems/fuel/internal/eng-1-flow-rate">
<input>/systems/fuel/internal/left-wing-tank-eng-1</input>
<input>/systems/fuel/internal/right-wing-tank-eng-1</input>
<input>/systems/fuel/internal/center-tank-eng-1</input>
<output>propulsion/tank[5]/external-flow-rate-pps</output>
</summer>
<summer name="/systems/fuel/internal/eng-2-flow-rate">
<input>/systems/fuel/internal/left-wing-tank-eng-2</input>
<input>/systems/fuel/internal/right-wing-tank-eng-2</input>
<input>/systems/fuel/internal/center-tank-eng-2</input>
<output>propulsion/tank[6]/external-flow-rate-pps</output>
</summer>
<summer name="/systems/fuel/internal/apu-flow-rate">
<input>/systems/fuel/internal/left-wing-tank-apu</input>
<input>/systems/fuel/internal/center-tank-apu</input>
<input>/systems/fuel/internal/right-wing-tank-apu</input>
<output>propulsion/tank[7]/external-flow-rate-pps</output>
</summer>
</channel>
<channel name="Warnings" execrate="8">
<summer name="/systems/fuel/quantity/left-wing-kg">
<input>/consumables/fuel/tank[0]/level-kg</input>
<input>/consumables/fuel/tank[1]/level-kg</input>
</summer>
<summer name="/systems/fuel/quantity/right-wing-kg">
<input>/consumables/fuel/tank[3]/level-kg</input>
<input>/consumables/fuel/tank[4]/level-kg</input>
</summer>
<switch name="/systems/fuel/mode-fault">
<default value="0"/>
<test logic="AND" value="1">
<test logic="OR">
/systems/fuel/quantity/left-wing-kg lt 5000
/systems/fuel/quantity/right-wing-kg lt 5000
</test>
/consumables/fuel/tank[2]/level-kg ge 250
</test>
</switch>
</channel>
</system>