A320-family/Systems/a320-fwc-phases.xml

<!-- Airbus A320 FWC -->

<!-- Copyright (c) 2020 Jonathan Redpath -->

<system name="A320: FWC Phase Computation">

	<channel name="FWC Phase Logic Timers" execrate="8">
		
		<actuator name="/ECAM/timer/ground-calc">
            <description>Timer for the ECAM phase system</description>
            <input>/ECAM/logic/ground-calc-immediate</input>
            <rate_limit sense="decr">120</rate_limit> <!-- Instant -->
            <rate_limit sense="incr">1</rate_limit> <!-- 1 second -->
        </actuator>
		
		<actuator name="/ECAM/phases/phase-calculation/engine-1-or-2-running">
            <input>/ECAM/phases/phase-calculation/one-engine-running</input>
            <rate_limit sense="decr">120</rate_limit>
            <rate_limit sense="incr">0.03333333333</rate_limit>
        </actuator>
		
		<actuator name="/ECAM/phases/monostable/phase-1-300-output">
			<input>/ECAM/phases/monostable/phase-1-300</input>
			<rate_limit sense="incr">0.00333333333</rate_limit>
			<rate_limit sense="decr">120</rate_limit>
		</actuator>
		
	</channel>
	
	<channel name="FWC Phase Logic and Switches" execrate="4">
		
		<switch name="/ECAM/flipflop/speed-gt-80-set">
			<default value="0"/>
			<test value="0">
				/sim/time/elapsed-sec lt 10
			</test>
			<test logic="OR" value="1">
				<test logic="AND">
					/systems/navigation/adr/output/cas-1 gt 83
					/systems/navigation/adr/output/cas-2 gt 83
				</test>
				<test logic="AND">
					/systems/navigation/adr/output/cas-2 gt 83
					/systems/navigation/adr/output/cas-3 gt 83
				</test>
				<test logic="AND">
					/systems/navigation/adr/output/cas-1 gt 83
					/systems/navigation/adr/output/cas-3 gt 83
				</test>
			</test>
		</switch>
		
		<switch name="/ECAM/flipflop/speed-gt-80-reset">
			<default value="0"/>
			<test value="0">
				/sim/time/elapsed-sec lt 10
			</test>
			<test logic="OR" value="1">
				<test logic="AND">
					/systems/navigation/adr/output/cas-1 lt 77
					/systems/navigation/adr/output/cas-2 lt 77
				</test>
				<test logic="AND">
					/systems/navigation/adr/output/cas-2 lt 77
					/systems/navigation/adr/output/cas-3 lt 77
				</test>
				<test logic="AND">
					/systems/navigation/adr/output/cas-1 lt 77
					/systems/navigation/adr/output/cas-3 lt 77
				</test>
			</test>
		</switch>
		
		<switch name="/ECAM/flipflop/radar-altimeter-5-set">
			<default value="0"/>
			<test logic="OR" value="1">
				/position/gear-agl-ft lt 5
			</test>
		</switch>
		
		<switch name="/ECAM/flipflop/radar-altimeter-5-reset">
			<default value="0"/>
			<test logic="OR" value="1">
				/gear/gear[1]/compression-norm eq 0
			</test>
		</switch>
		
		<switch name="/ECAM/logic/ground-calc-immediate">
			<default value="0"/>
			<test logic="OR" value="1">
				/ECAM/flipflop/radar-altimeter-5-output eq 1
				/position/gear-agl-ft lt 5
			</test>
		</switch>
		
		<switch name="/ECAM/phases/monostable/phase-1-300-output">
			<default value="0"/>
			<test logic="AND" value="1">
				/ECAM/phases/monostable/phase-1-300-output ne 1
				/ECAM/phases/monostable/phase-1-300 eq 1
			</test>
		</switch>
		
		<switch name="/ECAM/phases/phase-calculation/altitude-ge-1500">
			<default value="0"/>
			<test logic="AND" value="1">
				/position/gear-agl-ft ge 1500
			</test>
		</switch>
		
		<switch name="/ECAM/phases/phase-calculation/altitude-flipflop-set">
			<default value="0"/>
			<test logic="AND" value="1">
				/ECAM/phases/phase-calculation/altitude-ge-1500 eq 1
			</test>
		</switch>
		
		<switch name="/ECAM/phases/phase-calculation/altitude-flipflop-reset">
			<default value="0"/>
			<test logic="AND" value="1">
				/position/gear-agl-ft lt 800
			</test>
		</switch>
	</channel>
	
	<channel name="Phase Calcs" execrate="4">
	
		<switch name="/ECAM/phases/timer/eng1idle">
			<default value="0"/>
			<test logic="AND" value="1">
				/engines/engine[0]/n2 ge 59.4
				/controls/engines/engine[0]/cutoff-switch eq 0
			</test>
		</switch>
		
		<switch name="/ECAM/phases/timer/eng2idle">
			<default value="0"/>
			<test logic="AND" value="1">
				/engines/engine[1]/n2 ge 59.4
				/controls/engines/engine[1]/cutoff-switch eq 0
			</test>
		</switch>
		
		<switch name="/ECAM/phases/phase-calculation/engine-1-off">
			<default value="0"/>
			<test logic="AND" value="1">
				<test logic="OR">
					/ECAM/phases/timer/eng1idle-output eq 0
					/controls/engines/engine[0]/cutoff-switch eq 1
				</test>
				<test logic="OR">
					/ECAM/timer/ground-calc eq 1
					/ECAM/phases/timer/eng1idle eq 0
				</test>
			</test>
		</switch>
	
		<switch name="/ECAM/phases/phase-calculation/engine-2-off">
			<default value="0"/>
			<test logic="AND" value="1">
				<test logic="OR">
					/ECAM/phases/timer/eng2idle-output eq 0
					/controls/engines/engine[1]/cutoff-switch eq 1
				</test>
				<test logic="OR">
					/ECAM/timer/ground-calc eq 1
					/ECAM/phases/timer/eng2idle eq 0
				</test>
			</test>
		</switch>
		
		<switch name="/ECAM/phases/phase-calculation/engines-1-2-not-running">
			<default value="0"/>
			<test logic="AND" value="1">
				/ECAM/phases/phase-calculation/engine-1-off eq 1
				/ECAM/phases/phase-calculation/engine-2-off eq 1
			</test>
		</switch>
		
		<switch name="/ECAM/phases/phase-calculation/one-engine-running">
			<default value="0"/>
			<test logic="OR" value="1">
				/engines/engine[0]/state eq 3
				/engines/engine[1]/state eq 3
			</test>
		</switch>
		
		<switch name="/ECAM/phases/phase-calculation/takeoff-power-logic">
			<default value="0"/>
			<test logic="OR" value="1">
				<test logic="OR">
					<test logic="AND">
						/controls/engines/engine[0]/throttle ge 0.779
						fadec/limit/flex-active eq 1
					</test>
					<test logic="AND">
						/controls/engines/engine[0]/throttle ge 0.99
						fadec/limit/flex-active eq 0
					</test>
				</test>
				<test logic="OR">
					<test logic="AND">
						/controls/engines/engine[1]/throttle ge 0.779
						fadec/limit/flex-active eq 1
					</test>
					<test logic="AND">
						/controls/engines/engine[1]/throttle ge 0.99
						fadec/limit/flex-active eq 0
					</test>
				</test>
			</test>
		</switch>
		
		<actuator name="/ECAM/phases/phase-calculation/takeoff-power-timer">
			<input>/ECAM/phases/phase-calculation/takeoff-power-logic</input>
			<rate_limit sense="incr">120</rate_limit>
			<rate_limit sense="decr">0.01666666666</rate_limit>
		</actuator>
		
		<switch name="/ECAM/phases/phase-calculation/takeoff-power">
			<default value="0"/>
			<test logic="OR" value="1">
				/ECAM/phases/phase-calculation/takeoff-power-logic eq 1
				<test logic="AND">
					/ECAM/phases/phase-calculation/takeoff-power-timer ne 0
					/ECAM/phases/phase-calculation/altitude-ge-1500 eq 0
					/controls/engines/engine[0]/throttle ge 0.599
					/controls/engines/engine[1]/throttle ge 0.599
				</test>
			</test>
		</switch>
		
		<switch name="/ECAM/phases/monostable/phase-8">
			<default value="0"/>
			<test logic="OR" value="1">
				/ECAM/warning-phase eq 8
			</test>
		</switch>
		
	</channel>

</system>