Control: IAE EPR control law
This commit is contained in:
Josh Davidson
parent
5be6d11265
commit
77d1a2cfa7
3 changed files with 353 additions and 25 deletions
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@ -206,11 +206,11 @@ var canvas_upperECAM = {
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}),
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props.UpdateManager.FromHashValue("EPR_actual_1", 0.0001, func(val) {
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obj["EPR1"].setText(sprintf("%1.0f", math.floor(val)));
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obj["EPR1-decimal"].setText(sprintf("%03d", (val - int(val)) * 1000));
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obj["EPR1-decimal"].setText(sprintf("%03d", math.round((val - int(val)) * 1000)));
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}),
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props.UpdateManager.FromHashValue("EPR_actual_2", 0.0001, func(val) {
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obj["EPR2"].setText(sprintf("%1.0f", math.floor(val)));
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obj["EPR2-decimal"].setText(sprintf("%03d", (val - int(val)) * 1000));
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obj["EPR2-decimal"].setText(sprintf("%03d", math.round((val - int(val)) * 1000)));
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}),
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props.UpdateManager.FromHashValue("EPR_lim", 0.005, func(val) {
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obj["EPR1-ylim"].setRotation((val + 90) * D2R);
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@ -279,7 +279,7 @@ var canvas_upperECAM = {
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}),
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props.UpdateManager.FromHashValue("eprLimit", 0.0005, func(val) {
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obj["EPRLim"].setText(sprintf("%1.0f", math.floor(val)));
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obj["EPRLim-decimal"].setText(sprintf("%03d", (val - int(val)) * 1000));
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obj["EPRLim-decimal"].setText(sprintf("%03d", math.round((val - int(val)) * 1000)));
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}),
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props.UpdateManager.FromHashValue("n1Limit", 0.01, func(val) {
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obj["N1Lim"].setText(sprintf("%s", math.floor(val + 0.05)));
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@ -166,6 +166,14 @@
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</function>
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</fcs_function>
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<!--
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Thrust limits on the IAE are kinda hard to do because of EPR - and we don't have a linear way to control throttle
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The CFM's just use N1, which is linear so it works well to make the FADEC, but as stated primary param is EPR
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So we have our thrust limits basic in N1 because its easier to calculate, then we calculate corrected EPR
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After we round the EPR, in order to correctly control/limit thrust, we will convert it BACK to N1... annoying right?
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Well the advantage is the plane is actually targetting EPR, so its more realistic to do this way even if its more steps
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I think that's better than just pretending to use EPR, and actually using N1 - if you look close enough, you can tell!
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-->
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<fcs_function name="fadec/limit/toga-ref">
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<function>
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<product>
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@ -184,23 +192,6 @@
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/toga">
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<function>
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<quotient>
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<integer>
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<sum>
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<product>
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<property>fadec/limit/toga-ref</property>
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<value>10</value>
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</product>
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<value>0.5</value> <!-- Make it round correctly -->
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</sum>
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</integer>
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<value>10</value>
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</quotient>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/toga-epr-input">
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<function>
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<pow>
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@ -246,6 +237,65 @@
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/toga-epr-n1-ref"> <!-- Opposite of EPR Calc -->
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<function>
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<quotient>
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<difference>
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<property>fadec/limit/toga-epr</property>
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<property>fadec/epr/c2</property>
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</difference>
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<max> <!-- Prevent divide by 0 -->
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<property>fadec/epr/c1</property>
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<value>0.001</value>
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</max>
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</quotient>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/toga-epr-n1"> <!-- Opposite of EPR Calc -->
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<function>
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<pow>
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<table>
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<independentVar lookup="row">fadec/limit/toga-epr-n1-ref</independentVar>
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<tableData>
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0.00 24743.1
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0.03 53194.6
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1.00 10000000.0
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</tableData>
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</table>
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<quotient>
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<value>1</value>
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<value>3.5</value>
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</quotient>
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</pow>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/toga-n1">
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<function>
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<quotient>
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<integer>
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<sum>
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<product>
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<property>fadec/limit/toga-ref</property>
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<value>10</value>
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</product>
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<value>0.5</value> <!-- Make it round correctly -->
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</sum>
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</integer>
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<value>10</value>
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</quotient>
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</function>
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</fcs_function>
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<switch name="fadec/limit/toga">
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<default value="fadec/limit/toga-epr-n1"/>
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<test logic="AND" value="fadec/limit/toga-n1"> <!-- Only if both are in N1 mode! Otherwise the degraded engine uses equivalent N1 to the other engines EPR -->
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fadec/control-1/n1-mode gt 0
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fadec/control-2/n1-mode gt 0
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</test>
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</switch>
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<fcs_function name="fadec/limit/toga-norm">
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<function>
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<table>
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@ -310,7 +360,86 @@
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</test>
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</switch>
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<fcs_function name="fadec/limit/mct">
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<fcs_function name="fadec/limit/mct-epr-input">
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<function>
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<pow>
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<property>fadec/limit/mct-ref</property>
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<value>3.5</value>
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</pow>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/mct-epr-ref">
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<function>
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<sum>
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<product>
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<table>
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<independentVar lookup="row">fadec/limit/mct-epr-input</independentVar>
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<tableData>
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24743.1 0.00
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53194.6 0.03
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10000000.0 1.00
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</tableData>
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</table>
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<property>fadec/epr/c1</property>
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</product>
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<property>fadec/epr/c2</property>
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</sum>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/mct-epr">
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<function>
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<quotient>
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<integer>
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<sum>
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<product>
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<property>fadec/limit/mct-epr-ref</property>
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<value>1000</value>
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</product>
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<value>0.5</value> <!-- Make it round correctly -->
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</sum>
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</integer>
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<value>1000</value>
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</quotient>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/mct-epr-n1-ref"> <!-- Opposite of EPR Calc -->
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<function>
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<quotient>
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<difference>
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<property>fadec/limit/mct-epr</property>
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<property>fadec/epr/c2</property>
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</difference>
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<max> <!-- Prevent divide by 0 -->
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<property>fadec/epr/c1</property>
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<value>0.001</value>
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</max>
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</quotient>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/mct-epr-n1"> <!-- Opposite of EPR Calc -->
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<function>
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<pow>
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<table>
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<independentVar lookup="row">fadec/limit/mct-epr-n1-ref</independentVar>
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<tableData>
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0.00 24743.1
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0.03 53194.6
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1.00 10000000.0
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</tableData>
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</table>
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<quotient>
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<value>1</value>
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<value>3.5</value>
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</quotient>
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</pow>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/mct-n1">
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<function>
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<quotient>
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<integer>
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@ -327,6 +456,14 @@
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</function>
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</fcs_function>
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<switch name="fadec/limit/mct">
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<default value="fadec/limit/mct-epr-n1"/>
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<test logic="AND" value="fadec/limit/mct-n1"> <!-- Only if both are in N1 mode! Otherwise the degraded engine uses equivalent N1 to the other engines EPR -->
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fadec/control-1/n1-mode gt 0
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fadec/control-2/n1-mode gt 0
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</test>
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</switch>
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<fcs_function name="fadec/limit/mct-norm">
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<function>
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<table>
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@ -357,7 +494,86 @@
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/climb">
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<fcs_function name="fadec/limit/climb-epr-input">
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<function>
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<pow>
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<property>fadec/limit/climb-ref</property>
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<value>3.5</value>
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</pow>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/climb-epr-ref">
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<function>
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<sum>
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<product>
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<table>
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<independentVar lookup="row">fadec/limit/climb-epr-input</independentVar>
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<tableData>
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24743.1 0.00
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53194.6 0.03
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10000000.0 1.00
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</tableData>
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</table>
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<property>fadec/epr/c1</property>
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</product>
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<property>fadec/epr/c2</property>
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</sum>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/climb-epr">
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<function>
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<quotient>
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<integer>
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<sum>
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<product>
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<property>fadec/limit/climb-epr-ref</property>
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<value>1000</value>
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</product>
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<value>0.5</value> <!-- Make it round correctly -->
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</sum>
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</integer>
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<value>1000</value>
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</quotient>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/climb-epr-n1-ref"> <!-- Opposite of EPR Calc -->
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<function>
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<quotient>
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<difference>
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<property>fadec/limit/climb-epr</property>
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<property>fadec/epr/c2</property>
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</difference>
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<max> <!-- Prevent divide by 0 -->
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<property>fadec/epr/c1</property>
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<value>0.001</value>
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</max>
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</quotient>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/climb-epr-n1"> <!-- Opposite of EPR Calc -->
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<function>
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<pow>
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<table>
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<independentVar lookup="row">fadec/limit/climb-epr-n1-ref</independentVar>
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<tableData>
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0.00 24743.1
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0.03 53194.6
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1.00 10000000.0
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</tableData>
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</table>
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<quotient>
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<value>1</value>
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<value>3.5</value>
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</quotient>
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</pow>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/climb-n1">
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<function>
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<quotient>
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<integer>
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@ -374,6 +590,14 @@
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</function>
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</fcs_function>
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<switch name="fadec/limit/climb">
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<default value="fadec/limit/climb-epr-n1"/>
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<test logic="AND" value="fadec/limit/climb-n1"> <!-- Only if both are in N1 mode! Otherwise the degraded engine uses equivalent N1 to the other engines EPR -->
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fadec/control-1/n1-mode gt 0
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fadec/control-2/n1-mode gt 0
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</test>
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</switch>
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<fcs_function name="fadec/limit/climb-norm">
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<function>
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<table>
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@ -462,7 +686,86 @@
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/mrev">
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<fcs_function name="fadec/limit/mrev-epr-input">
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<function>
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<pow>
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<property>fadec/limit/mrev-ref</property>
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<value>3.5</value>
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</pow>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/mrev-epr-ref">
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<function>
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<sum>
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<product>
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<table>
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<independentVar lookup="row">fadec/limit/mrev-epr-input</independentVar>
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<tableData>
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24743.1 0.00
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53194.6 0.03
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10000000.0 1.00
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</tableData>
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</table>
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<property>fadec/epr/c1</property>
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</product>
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<property>fadec/epr/c2</property>
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</sum>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/mrev-epr">
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<function>
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<quotient>
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<integer>
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<sum>
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<product>
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<property>fadec/limit/mrev-epr-ref</property>
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<value>1000</value>
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</product>
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<value>0.5</value> <!-- Make it round correctly -->
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</sum>
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</integer>
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<value>1000</value>
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</quotient>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/mrev-epr-n1-ref"> <!-- Opposite of EPR Calc -->
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<function>
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<quotient>
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<difference>
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<property>fadec/limit/mrev-epr</property>
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<property>fadec/epr/c2</property>
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</difference>
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<max> <!-- Prevent divide by 0 -->
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<property>fadec/epr/c1</property>
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<value>0.001</value>
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</max>
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</quotient>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/mrev-epr-n1"> <!-- Opposite of EPR Calc -->
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<function>
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<pow>
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<table>
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<independentVar lookup="row">fadec/limit/mrev-epr-n1-ref</independentVar>
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<tableData>
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0.00 24743.1
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0.03 53194.6
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1.00 10000000.0
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</tableData>
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</table>
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<quotient>
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<value>1</value>
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<value>3.5</value>
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</quotient>
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</pow>
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</function>
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</fcs_function>
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<fcs_function name="fadec/limit/mrev-n1">
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<function>
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<quotient>
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<integer>
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@ -479,6 +782,14 @@
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</function>
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</fcs_function>
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<switch name="fadec/limit/mrev">
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<default value="fadec/limit/mrev-epr-n1"/>
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<test logic="AND" value="fadec/limit/mrev-n1"> <!-- Only if both are in N1 mode! Otherwise the degraded engine uses equivalent N1 to the other engines EPR -->
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fadec/control-1/n1-mode gt 0
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fadec/control-2/n1-mode gt 0
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</test>
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</switch>
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<fcs_function name="fadec/limit/mrev-norm">
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<function>
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<table>
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@ -1295,7 +1606,24 @@
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</test>
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</switch>
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<switch name="fadec/limit/active-n1">
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<switch name="fadec/limit/active-epr">
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<default value="0"/>
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<test value="fadec/limit/mrev-epr">
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fadec/limit/active-mode-int eq 4
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</test>
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<test value="fadec/limit/toga-epr">
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fadec/limit/active-mode-int eq 0
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</test>
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<test logic="OR" value="fadec/limit/mct-epr">
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fadec/limit/active-mode-int eq 1
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fadec/limit/active-mode-int eq 3
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</test>
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<test value="fadec/limit/climb-epr">
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fadec/limit/active-mode-int eq 2
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</test>
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</switch>
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<switch name="fadec/limit/active-n1"> <!-- Converted from EPR or direct N1, depending on N1 Mode -->
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<default value="0"/>
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<test value="fadec/limit/mrev">
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fadec/limit/active-mode-int eq 4
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@ -29,7 +29,7 @@
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<difference>
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<table>
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<property>/position/altitude-ft</property>
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<entry><ind> 0</ind><dep>0.9857</dep></entry>
|
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<entry><ind> 0</ind><dep>0.9852</dep></entry>
|
||||
<entry><ind>43000</ind><dep>0.8584</dep></entry>
|
||||
</table>
|
||||
<table>
|
||||
|
|
|
|||
Loading…
Reference in a new issue