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Control: Add high/low speed stability to alternate law

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This commit is contained in:
Josh Davidson 2022-08-05 14:51:49 -04:00
parent 5f32e1eab1
commit 1e4ae2ed99
2 changed files with 64 additions and 3 deletions
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65
Systems/a320-fbw.xml
View file

@ -226,6 +226,15 @@
</test>
</switch>
<switch name="fbw/protections/hi-low-stab-en">
<default value="1"/>
<test logic="OR" value="0">
position/wow eq 1
/it-fbw/law ne 1
position/gear-agl-ft le 100
</test>
</switch>
<fcs_function name="fbw/roll/p-gain">
<function>
<table>
@ -1459,11 +1468,21 @@
<c1>20</c1>
</lag_filter>
<summer name="fbw/pitch/vmo-mmo-error">
<summer name="fbw/pitch/vmo-mmo-pred-error">
<input>fbw/pitch/ias-predict</input>
<input>-/FMGC/internal/vmo-mmo</input>
</summer>
<summer name="fbw/pitch/vmo-mmo-error">
<input>/instrumentation/airspeed-indicator/indicated-speed-kt</input>
<input>-/FMGC/internal/vmo-mmo</input>
</summer>
<summer name="fbw/pitch/vsw-error">
<input>/instrumentation/airspeed-indicator/indicated-speed-kt</input>
<input>-/FMGC/internal/vsw</input>
</summer>
<fcs_function name="fbw/pitch/e-i-n">
<function>
<sum>
@ -1486,7 +1505,7 @@
<table>
<independentVar lookup="row">fbw/sidestick/pitch-input</independentVar>
<independentVar lookup="column">fbw/pitch/vc-kts-rate</independentVar>
<independentVar lookup="table">fbw/pitch/vmo-mmo-error</independentVar>
<independentVar lookup="table">fbw/pitch/vmo-mmo-pred-error</independentVar>
<tableData breakPoint="6"> <!-- Engage point, reduced forwards authority -->
-1 1 3
-1 -1.0 -1.0 -1.0
@ -1692,6 +1711,46 @@
</function>
</fcs_function>
<fcs_function name="fbw/pitch/e-i-hs">
<function>
<table>
<independentVar lookup="row">fbw/pitch/vmo-mmo-error</independentVar>
<independentVar lookup="column">fbw/protections/hi-low-stab-en</independentVar>
<tableData>
0 1
0 0.0 0.00
5 0.0 -0.20
8 0.0 -0.25
</tableData>
</table>
</function>
</fcs_function>
<fcs_function name="fbw/pitch/e-i-ls">
<function>
<table>
<independentVar lookup="row">fbw/pitch/vsw-error</independentVar>
<independentVar lookup="column">fbw/protections/hi-low-stab-en</independentVar>
<independentVar lookup="table">fcs/flap-pos-deg</independentVar>
<tableData breakPoint="0">
0 1
-8 0.00 0.25
-5 0.00 0.20
0 0.00 0.10
5 0.00 0.05
10 0.00 0.00
</tableData>
<tableData breakPoint="10">
0 1
-8 0.00 0.25
-5 0.00 0.20
0 0.00 0.10
5 0.00 0.00
</tableData>
</table>
</function>
</fcs_function>
<fcs_function name="fbw/pitch/over-max">
<function>
<table>
@ -1721,6 +1780,8 @@
<summer name="fbw/pitch/e-i-sum">
<input>fbw/pitch/e-i-cmd</input>
<input>fbw/pitch/e-i-fl</input>
<input>fbw/pitch/e-i-hs</input>
<input>fbw/pitch/e-i-ls</input>
<input>fbw/pitch/over-max</input>
<input>fbw/pitch/over-min</input>
<clipto>

2
Systems/a320-fmgc.xml
View file

@ -552,7 +552,7 @@
<sum>
<product>
<property>/FMGC/internal/vs1g</property>
<value>1.03</value>
<value>1.10</value>
</product>
<product>
<difference>