IDG-A32X/Systems/a320-fcs.xml

<!-- Airbus A320 FCS -->

<!--
##############################################
# Copyright (c) Joshua Davidson (it0uchpods) #
##############################################
-->

<system name="A320: FCS">

	<channel name="Surface Droop">
	
		<fcs_function name="hydraulics/aileron-droop">
			<function>
				<table>
					<independentVar lookup="row">/velocities/airspeed-kt</independentVar>
					<tableData>
						 62  0.5
						116  0.0
					</tableData>
				</table>
			</function>
		</fcs_function>
		
		<pure_gain name="hydraulics/aileron-droop-neg">
			<input>hydraulics/aileron-droop</input>
			<gain>-1.0</gain>
		</pure_gain>
		
		<fcs_function name="hydraulics/elevator-droop">
			<function>
				<table>
					<independentVar lookup="row">/velocities/airspeed-kt</independentVar>
					<tableData>
						 72  0.5
						121  0.0
					</tableData>
				</table>
			</function>
		</fcs_function>
	
	</channel>
	
	<channel name="Aileron Common">
		
		<summer name="hydraulics/roll-fbw-summer">
			<input>/controls/flight/roll-fbw</input>
			<input>/controls/flight/aileron-trim</input>
			<clipto>
				<min>-1</min>
				<max>1</max>
			</clipto>
		</summer>
	
	</channel>
	
	<channel name="Aileron L">
	
		<fcs_function name="hydraulics/aileron-l/extended">
			<function>
				<product>
					<sum>
						<property>/controls/flight/speedbrake-norm</property>
						<product>
							<property>hydraulics/roll-fbw-summer</property>
							<value>-1</value>
						</product>
					</sum>
					<value>-0.5</value>
				</product>
			</function>
		</fcs_function>
		
		<fcs_function name="hydraulics/aileron-l/retracted">
			<function>
				<sum>
					<product>
						<property>hydraulics/roll-fbw-summer</property>
						<value>0.5</value>
					</product>
					<table>
						<independentVar lookup="row">/fdm/jsbsim/fcs/flap-pos-deg</independentVar>
						<tableData>
							1  0.00
							5  0.13
						</tableData>
					</table>
				</sum>
			</function>
		</fcs_function>
		
		<switch name="hydraulics/aileron-l/pressure-switch-or">
			<default value="0"/>
			<test logic="OR" value="1">
				/systems/hydraulic/green-psi GE 1500
				/systems/hydraulic/blue-psi GE 1500
			</test>
		</switch>
		
		<switch name="hydraulics/aileron-l/switch">
			<default value="hydraulics/aileron-droop"/>
			<test logic="AND" value="hydraulics/aileron-l/extended">
				hydraulics/aileron-l/pressure-switch-or EQ 1
				/controls/flight/speedbrake-norm EQ 1
				/gear/gear[1]/wow EQ 1
				/gear/gear[2]/wow EQ 1
				/systems/failures/aileron-left EQ 0
			</test>
			<test logic="AND" value="hydraulics/aileron-l/retracted">
				hydraulics/aileron-l/pressure-switch-or EQ 1
				/systems/failures/aileron-left EQ 0
			</test>
			<clipto>
				<min>-0.5</min>
				<max>0.5</max>
			</clipto>
		</switch>
		
		<kinematic name="hydraulics/aileron-l/final">
			<input>hydraulics/aileron-l/switch</input>
			<traverse>
				<setting>
					<position>-1.0</position>
					<time>1.1</time>
				</setting>
				<setting>
					<position>1.0</position>
					<time>1.1</time>
				</setting>
			</traverse>
			<output>/controls/flight/aileron-left</output>
		</kinematic>
	
	</channel>
	
	<channel name="Aileron R">
	
		<fcs_function name="hydraulics/aileron-r/extended">
			<function>
				<product>
					<sum>
						<property>/controls/flight/speedbrake-norm</property>
						<property>hydraulics/roll-fbw-summer</property>
					</sum>
					<value>0.5</value>
				</product>
			</function>
		</fcs_function>
		
		<fcs_function name="hydraulics/aileron-r/retracted">
			<function>
				<sum>
					<product>
						<property>hydraulics/roll-fbw-summer</property>
						<value>0.5</value>
					</product>
					<table>
						<independentVar lookup="row">/fdm/jsbsim/fcs/flap-pos-deg</independentVar>
						<tableData>
							1  0.00
							5 -0.13
						</tableData>
					</table>
				</sum>
			</function>
		</fcs_function>
		
		<switch name="hydraulics/aileron-r/pressure-switch-or">
			<default value="0"/>
			<test logic="OR" value="1">
				/systems/hydraulic/green-psi GE 1500
				/systems/hydraulic/blue-psi GE 1500
			</test>
		</switch>
		
		<switch name="hydraulics/aileron-r/switch">
			<default value="hydraulics/aileron-droop-neg"/>
			<test logic="AND" value="hydraulics/aileron-r/extended">
				hydraulics/aileron-r/pressure-switch-or EQ 1
				/controls/flight/speedbrake-norm EQ 1
				/gear/gear[1]/wow EQ 1
				/gear/gear[2]/wow EQ 1
				/systems/failures/aileron-right EQ 0
			</test>
			<test logic="AND" value="hydraulics/aileron-r/retracted">
				hydraulics/aileron-r/pressure-switch-or EQ 1
				/systems/failures/aileron-right EQ 0
			</test>
			<clipto>
				<min>-0.5</min>
				<max>0.5</max>
			</clipto>
		</switch>
		
		<kinematic name="hydraulics/aileron-r/final">
			<input>hydraulics/aileron-r/switch</input>
			<traverse>
				<setting>
					<position>-1.0</position>
					<time>1.1</time>
				</setting>
				<setting>
					<position>1.0</position>
					<time>1.1</time>
				</setting>
			</traverse>
			<output>/controls/flight/aileron-right</output>
		</kinematic>
	
	</channel>
	
	<channel name="Roll">
		
		<fcs_function name="hydraulics/roll-control">
			<function>
				<product>
					<sum>
						<product>
							<sum>
								<property>hydraulics/aileron-l/final</property>
								<property>hydraulics/aileron-r/final</property>
							</sum>
							<value>1.75</value>
						</product>
						<product>
							<sum>
								<product>
									<property>/controls/flight/spoiler-l-sum</property>
									<value>-1.0</value>
								</product>
								<property>/controls/flight/spoiler-r-sum</property>
							</sum>
							<value>0.25</value>
						</product>
					</sum>
					<value>0.444444</value>
				</product>
			</function>
			<clipto>
				<min>-1.0</min>
				<max>1.0</max>
			</clipto>
		</fcs_function>
		
		<aerosurface_scale name="fcs/roll-pos-rad">
			<input>hydraulics/roll-control</input>
			<range>
				<min>-0.436332</min>
				<max>0.436332</max>
			</range>
		</aerosurface_scale>
	
	</channel>
	
	<channel name="Elevator Common">
		
		<aerosurface_scale name="hydraulics/elevator-fbw-scale">
			<input>/controls/flight/elevator-fbw</input>
			<range>
				<min>-0.6666666666666666666666666666666</min>
				<max>1.0</max>
			</range>
		</aerosurface_scale>
		
		<switch name="hydraulics/elevator-fbw-switch">
			<default value="hydraulics/elevator-fbw-scale"/>
			<test value="/controls/flight/elevator-fbw">
				/velocities/groundspeed-kt LT 75
			</test>
		</switch>
		
		<pure_gain name="hydraulics/elevator-fbw-gain">
			<input>hydraulics/elevator-fbw-switch</input>
			<gain>0.5</gain>
		</pure_gain>
	
	</channel>
	
	<channel name="Elevator L">
		
		<switch name="hydraulics/elevator-l/pressure-switch-or">
			<default value="0"/>
			<test logic="OR" value="1">
				/systems/hydraulic/green-psi GE 1500
				/systems/hydraulic/blue-psi GE 1500
			</test>
		</switch>
		
		<switch name="hydraulics/elevator-l/switch">
			<default value="hydraulics/elevator-droop"/>
			<test logic="AND" value="hydraulics/elevator-fbw-gain">
				hydraulics/elevator-l/pressure-switch-or EQ 1
				/systems/failures/elevator-left EQ 0
			</test>
			<clipto>
				<min>-0.5</min>
				<max>0.5</max>
			</clipto>
		</switch>
		
		<kinematic name="hydraulics/elevator-l/final">
			<input>hydraulics/elevator-l/switch</input>
			<traverse>
				<setting>
					<position>-1.0</position>
					<time>1.1</time>
				</setting>
				<setting>
					<position>1.0</position>
					<time>1.1</time>
				</setting>
			</traverse>
			<output>/controls/flight/elevator-left</output>
		</kinematic>
	
	</channel>
	
	<channel name="Elevator R">
		
		<switch name="hydraulics/elevator-r/pressure-switch-or">
			<default value="0"/>
			<test logic="OR" value="1">
				/systems/hydraulic/yellow-psi GE 1500
				/systems/hydraulic/blue-psi GE 1500
			</test>
		</switch>
		
		<switch name="hydraulics/elevator-r/switch">
			<default value="hydraulics/elevator-droop"/>
			<test logic="AND" value="hydraulics/elevator-fbw-gain">
				hydraulics/elevator-r/pressure-switch-or EQ 1
				/systems/failures/elevator-right EQ 0
			</test>
			<clipto>
				<min>-0.5</min>
				<max>0.5</max>
			</clipto>
		</switch>
		
		<kinematic name="hydraulics/elevator-r/final">
			<input>hydraulics/elevator-r/switch</input>
			<traverse>
				<setting>
					<position>-1.0</position>
					<time>1.1</time>
				</setting>
				<setting>
					<position>1.0</position>
					<time>1.1</time>
				</setting>
			</traverse>
			<output>/controls/flight/elevator-right</output>
		</kinematic>
	
	</channel>
	
	<channel name="Pitch">
		
		<fcs_function name="hydraulics/pitch-control">
			<function>
				<sum>
					<property>hydraulics/elevator-l/final</property>
					<property>hydraulics/elevator-r/final</property>
				</sum>
			</function>
			<clipto>
				<min>-1.0</min>
				<max>1.0</max>
			</clipto>
		</fcs_function>
		
		<aerosurface_scale name="fcs/pitch-pos-rad">
			<input>hydraulics/pitch-control</input>
			<range>
				<min>-0.523599</min>
				<max>0.296706</max>
			</range>
		</aerosurface_scale>
		
		<scheduled_gain name="fcs/pitch-pos-geared">
			<input>fcs/pitch-pos-rad</input>
			<table>
				<independentVar lookup="row">velocities/mach</independentVar>
				<independentVar lookup="column">atmosphere/density-altitude</independentVar>
				<tableData>
					     0     43000
					0.0  1.00  0.850
					0.9  0.02  0.750
				</tableData>
			</table>
		</scheduled_gain>
	
	</channel>
	
	<channel name="Pitch Trim">
		
		<aerosurface_scale name="fcs/pitch-trim-cmd-deg">
			<input>/controls/flight/elevator-trim</input>
			<domain>
				<min>-1.00</min>
				<max>0.32</max>
			</domain>
			<range>
				<min>-12.5</min>
				<max>4.0</max>
			</range>
		</aerosurface_scale>
		
		<aerosurface_scale name="fcs/pitch-trim-pos-rad">
			<input>/controls/flight/elevator-trim-fdm</input>
			<domain>
				<min>-1.00</min>
				<max>0.32</max>
			</domain>
			<range>
				<min>-0.2181662</min>
				<max>0.0698132</max>
			</range>
		</aerosurface_scale>
		
		<aerosurface_scale name="fcs/pitch-trim-pos-deg">
			<input>/controls/flight/elevator-trim-fdm</input>
			<domain>
				<min>-1.00</min>
				<max>0.32</max>
			</domain>
			<range>
				<min>-12.5</min>
				<max>4.0</max>
			</range>
		</aerosurface_scale>
		
		<scheduled_gain name="fcs/pitch-trim-pos-geared">
			<input>fcs/pitch-trim-pos-rad</input>
			<table>
				<independentVar lookup="row">velocities/mach</independentVar>
				<independentVar lookup="column">atmosphere/density-altitude</independentVar>
				<tableData>
					     0     43000
					0.0  1.00  0.850
					0.9  0.02  0.750
				</tableData>
			</table>
		</scheduled_gain>
	
	</channel>
	
	<channel name="FADEC">
		
		<lag_filter name="fcs/throttle1">
			<input>/controls/engines/engine[0]/throttle-output</input>
			<c1>0.95</c1>
			<output>fcs/throttle-cmd-norm</output>
			<output>fcs/throttle-pos-norm</output>
		</lag_filter>
		
		<lag_filter name="fcs/throttle2">
			<input>/controls/engines/engine[1]/throttle-output</input>
			<c1>0.95</c1>
			<output>fcs/throttle-cmd-norm[1]</output>
			<output>fcs/throttle-pos-norm[1]</output>
		</lag_filter>
		
		<lag_filter name="fcs/n1-actual1">
			<input>/engines/engine[0]/n1</input>
			<c1>2.25</c1>
			<output>/engines/engine[0]/n1-actual</output>
			<output>/engines/engine[3]/n1</output>
		</lag_filter>
		
		<lag_filter name="fcs/n1-actual2">
			<input>/engines/engine[1]/n1</input>
			<c1>2.25</c1>
			<output>/engines/engine[1]/n1-actual</output>
			<output>/engines/engine[4]/n1</output>
		</lag_filter>
		
		<lag_filter name="fcs/n2-actual1">
			<input>/engines/engine[0]/n2</input>
			<c1>2.25</c1>
			<output>/engines/engine[0]/n2-actual</output>
			<output>/engines/engine[3]/n2</output>
		</lag_filter>
		
		<lag_filter name="fcs/n2-actual2">
			<input>/engines/engine[1]/n2</input>
			<c1>2.25</c1>
			<output>/engines/engine[1]/n2-actual</output>
			<output>/engines/engine[4]/n2</output>
		</lag_filter>
	
	</channel>
	
	<channel name="Rudder">
		
		<switch name="hydraulics/rudder/pressure-switch-or">
			<default value="0"/>
			<test logic="OR" value="1">
				/systems/hydraulic/green-psi GE 1500
				/systems/hydraulic/blue-psi GE 1500
				/systems/hydraulic/yellow-psi GE 1500
			</test>
		</switch>
		
		<summer name="hydraulics/rudder/summer">
			<input>/controls/flight/rudder-fbw</input>
			<input>/controls/flight/rudder-trim</input>
			<clipto>
				<min>-1</min>
				<max>1</max>
			</clipto>
		</summer>
		
		<switch name="hydraulics/rudder/switch">
			<default value="0"/>
			<test logic="AND" value="hydraulics/rudder/summer">
				hydraulics/rudder/pressure-switch-or EQ 1
				/systems/failures/rudder EQ 0
			</test>
			<clipto>
				<min>-1.0</min>
				<max>1.0</max>
			</clipto>
		</switch>
		
		<kinematic name="hydraulics/rudder/final">
			<input>hydraulics/rudder/switch</input>
			<traverse>
				<setting>
					<position>-1.0</position>
					<time>1.1</time>
				</setting>
				<setting>
					<position>1.0</position>
					<time>1.1</time>
				</setting>
			</traverse>
			<output>/controls/flight/rudder-fdm</output>
		</kinematic>
	
	</channel>
	
	<channel name="Yaw">
		
		<pure_gain name="hydraulics/rudder/gain">
			<input>hydraulics/rudder/final</input>
			<gain>-1.0</gain>
		</pure_gain>
		
		<scheduled_gain name="fcs/yaw-damper-rate">
			<input>velocities/r-aero-rad_sec</input>
			<table>
				<independentVar lookup="row">velocities/ve-kts</independentVar>
				<tableData>
					30		0.00
					60		2.00
				</tableData>
			</table>
			<clipto>
				<min>-0.05</min>
				<max>0.05</max>
			</clipto>
		</scheduled_gain>
		
		<scheduled_gain name="fcs/yaw-damper-final">
			<input>fcs/yaw-damper-rate</input>
			<table>
				<independentVar lookup="row">velocities/ve-kts</independentVar>
				<tableData>
					30		0.0
					31		1.0
				</tableData>
			</table>
		</scheduled_gain>
		
		<switch name="fcs/yaw-damper-switch">
			<default value="0"/>
			<test logic="AND" value="fcs/yaw-damper-final">
				/it-fbw/law == 0
				/gear/gear[1]/wow EQ 0
				/gear/gear[2]/wow EQ 0
			</test>
			<test logic="AND" value="fcs/yaw-damper-final">
				/it-fbw/law == 1
				/gear/gear[1]/wow EQ 0
				/gear/gear[2]/wow EQ 0
			</test>
		</switch>
		
		<summer name="fcs/yaw-sum">
			<input>hydraulics/rudder/gain</input>
			<input>fcs/yaw-damper-switch</input>
			<clipto>
				<min>-1</min>
				<max>1</max>
			</clipto>
		</summer>
		
		<aerosurface_scale name="rubbish/rudder-pos-rad">
			<input>fcs/yaw-sum</input>
			<range>
				<min>-0.436332</min>
				<max>0.436332</max>
			</range>
			<output>fcs/rudder-pos-rad</output>
		</aerosurface_scale>
		
		<aerosurface_scale name="rubbish/rudder-pos-norm">
			<input>fcs/rudder-pos-rad</input>
			<domain>
				<min>-0.436332</min>
				<max>0.436332</max>
			</domain>
			<range>
				<min>-1</min>
				<max>1</max>
			</range>
			<output>fcs/rudder-pos-norm</output>
		</aerosurface_scale>
	
	</channel>
	
	<channel name="Flaps">
		
		<kinematic name="rubbish/flap-pos-deg">
			<input>/controls/flight/flaps</input>
			<traverse>
				<setting>
					<position>0</position>
					<time>0</time>
				</setting>
				<setting>
					<position>35</position>
					<time>30</time>
				</setting>
			</traverse>
			<output>fcs/flap-pos-deg</output>
		</kinematic>
		
		<aerosurface_scale name="rubbish/flap-pos-norm">
			<input>fcs/flap-pos-deg</input>
			<domain>
				<min>0</min>
				<max>35</max>
			</domain>
			<range>
				<min>0</min>
				<max>1</max>
			</range>
			<output>fcs/flap-pos-norm</output>
		</aerosurface_scale>
	
	</channel>
	
	<channel name="Slats">
		
		<kinematic name="rubbish/slat-pos-deg">
			<input>/controls/flight/slats</input>
			<traverse>
				<setting>
					<position>0</position>
					<time>0</time>
				</setting>
				<setting>
					<position>27</position>
					<time>20</time>
				</setting>
			</traverse>
			<output>fcs/slat-pos-deg</output>
		</kinematic>
		
		<aerosurface_scale name="rubbish/slat-pos-norm">
			<input>fcs/slat-pos-deg</input>
			<domain>
				<min>0</min>
				<max>27</max>
			</domain>
			<range>
				<min>0</min>
				<max>1</max>
			</range>
			<output>fcs/slat-pos-norm</output>
		</aerosurface_scale>
	
	</channel>
	
	<channel name="Landing Gear">
		
		<kinematic name="rubbish/gear-pos-norm">
			<input>gear/gear-cmd-norm</input>
			<traverse>
				<setting>
					<position>0</position>
					<time>0</time>
				</setting>
				<setting>
					<position>1</position>
					<time>10</time>
				</setting>
			</traverse>
			<output>gear/gear-pos-norm</output>
		</kinematic>
	
	</channel>
	
	<channel name="Speedbrake">
		
		<pure_gain name="rubbish/speedbrake-pos-norm">
			<input>/controls/flight/speedbrake-output</input>
			<gain>1.0</gain>
			<output>fcs/speedbrake-pos-norm</output>
		</pure_gain>
	
	</channel>
	
	<channel name="Tiller">
		
		<fcs_function name="fcs/steer-nose-deg[0]">
			<function>
				<table>
					<independentVar lookup="row">/velocities/groundspeed-kt</independentVar>
					<independentVar lookup="column">/controls/flight/rudder</independentVar>
					<tableData>
						        -1     0  1
						30.000  -70.0  0  70.0
						30.001  -10.0  0  10.0
					</tableData>
				</table>
			</function>
		</fcs_function>
		
		<actuator name="fcs/steer-deg">
			<input>fcs/steer-nose-deg[0]</input>
			<rate_limit>70</rate_limit>
			<output>fcs/steer-pos-deg[0]</output>
		</actuator>
	
	</channel>

</system>