A320-family/Systems/a320-fuel.xml

<!-- Airbus A320 Fuel -->

<!-- Copyright (c) 2019 Jonathan Redpath -->

<system name="A320: Fuel:">
	
	<channel name="Fuel Pumps and Valves">
		<!-- Pumps -->
		<switch name="/systems/fuel/pumps/wing-pump-left-1-operate">
			<default value="0"/>
			<test logic="AND" value="1">
				/controls/switches/fuel/pump-left-1 eq 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">
				/controls/switches/fuel/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/switches/fuel/pump-right-1 eq 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">
				/controls/switches/fuel/pump-right-2 eq 1
				/systems/electrical/bus/ac-2 ge 110
			</test>
		</switch>
		
		<switch name="/systems/fuel/pumps/center-pump-1-operate">
			<default value="0"/>
			<test logic="AND" value="1">
				/controls/switches/fuel/pump-center-1 eq 1
				<test logic="OR">
					/controls/switches/fuel/center-mode eq 0
					<test logic="AND">
						fcs/slat-pos-deg lt 16
						/systems/fuel/pumps/center-control-low-level ne 1
						propulsion/tank[1]/contents-lbs lt 11420 
					</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/switches/fuel/pump-center-3 eq 1
				<test logic="OR">
					/controls/switches/fuel/center-mode eq 0
					<test logic="AND">
						fcs/slat-pos-deg lt 16
						/systems/fuel/pumps/center-control-low-level ne 1
						propulsion/tank[3]/contents-lbs lt 11420 
					</test>
				</test>
				/systems/electrical/bus/ac-2 ge 110
			</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">100</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/intercell-transfer-valve-1-cmd eq 1
				/systems/fuel/refuel/refuelling eq 0
			</test>
			<test value="1">
				/systems/fuel/quantity/left-wing-inner-low eq 1
			</test>
		</switch>
		
		<switch name="/systems/fuel/valves/outer-inner-transfer-valve-1-power">
			<default value="0"/>
			<test value="0.333">
				/systems/electrical/bus/dc-ess-shed 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><property>/systems/fuel/valves/outer-inner-transfer-valve-1-power</property></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/intercell-transfer-valve-2-cmd eq 1
				/systems/fuel/refuel/refuelling eq 0
			</test>
			<test value="1">
				/systems/fuel/quantity/right-wing-inner-low eq 1
			</test>
		</switch>
		
		<switch name="/systems/fuel/valves/outer-inner-transfer-valve-2-power">
			<default value="0"/>
			<test value="0.333">
				/systems/electrical/bus/dc-ess-shed 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><property>/systems/fuel/valves/outer-inner-transfer-valve-2-power</property></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><property>/systems/fuel/valves/engine-1-lp-valve-power</property></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><property>/systems/fuel/valves/engine-2-lp-valve-power</property></rate_limit>
		</actuator>
	</channel>
	
	<channel name="Flow Rates">
	
	</channel>

</system>