📄 navlib2.mdl
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Position [95, 374, 100, 396]
BackgroundColor "black"
ShowName off
FontName "Arial"
FontSize 11
Inputs "2"
DisplayOption "none"
}
Block {
BlockType Mux
Name "Mux2"
Ports [2, 1, 0, 0, 0]
Position [560, 369, 565, 391]
BackgroundColor "black"
ShowName off
FontName "Arial"
FontSize 11
Inputs "2"
DisplayOption "none"
}
Block {
BlockType SubSystem
Name "QDR"
Ports [1, 1, 0, 0, 0]
Position [125, 86, 195, 124]
FontName "Arial"
FontSize 11
ShowPortLabels on
System {
Name "QDR"
Location [36, 77, 423, 242]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
AutoZoom on
Block {
BlockType Inport
Name "uVOR"
Position [15, 83, 45, 97]
FontName "Arial"
FontSize 11
Port "1"
PortWidth "-1"
SampleTime "-1"
DataType "auto"
SignalType "auto"
Interpolate on
}
Block {
BlockType Fcn
Name "Fcn"
Position [85, 43, 145, 67]
ShowName off
FontName "Arial"
FontSize 11
Expr "u[1]-xVOR"
}
Block {
BlockType SubSystem
Name "QDR formula with protection \nagainst '"
"division-by-zero' warnings"
Ports [1, 1, 1, 0, 0]
Position [215, 60, 310, 120]
FontName "Arial"
FontSize 11
ShowPortLabels on
System {
Name "QDR formula with protection \nagainst"
" 'division-by-zero' warnings"
Location [36, 77, 427, 233]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
AutoZoom on
Block {
BlockType Inport
Name "uVOR"
Position [35, 103, 65, 117]
FontName "Arial"
FontSize 11
Port "1"
PortWidth "-1"
SampleTime "-1"
DataType "auto"
SignalType "auto"
Interpolate on
}
Block {
BlockType EnablePort
Name "Enable"
Ports [0, 0, 0, 0, 0]
Position [35, 20, 55, 40]
FontName "Arial"
FontSize 11
StatesWhenEnabling "held"
ShowOutputPort off
}
Block {
BlockType Fcn
Name "QDR formula"
Position [95, 100, 280, 120]
FontName "Arial"
FontSize 11
Expr "atan((u[2]-yVOR)/(u[1]-xVOR))"
}
Block {
BlockType Outport
Name "QDR"
Position [310, 103, 340, 117]
FontName "Arial"
FontSize 11
Port "1"
OutputWhenDisabled "held"
InitialOutput "0"
}
Line {
SrcBlock "uVOR"
SrcPort 1
DstBlock "QDR formula"
DstPort 1
}
Line {
SrcBlock "QDR formula"
SrcPort 1
DstBlock "QDR"
DstPort 1
}
Annotation {
Position [231, 39]
ForegroundColor "red"
Text "Note: this subsystem is enabled onl"
"y if the denominator in the \nQDR formula is not equal to zero. If the denomi"
"nator is zero, \nthe aircraft flies above the VOR groundstation. In that case"
", \nthis subsystem will return the previous QDR value."
FontName "Arial"
FontSize 11
}
}
}
Block {
BlockType RelationalOperator
Name "Relational\nOperator"
Position [180, 18, 210, 42]
ShowName off
FontName "Arial"
FontSize 11
Operator "~="
}
Block {
BlockType Constant
Name "zero"
Position [125, 16, 145, 34]
ShowName off
FontName "Arial"
FontSize 11
Value "0"
}
Block {
BlockType Outport
Name "QDR"
Position [345, 83, 375, 97]
FontName "Arial"
FontSize 11
Port "1"
OutputWhenDisabled "held"
InitialOutput "[]"
}
Line {
SrcBlock "QDR formula with protection \nagainst '"
"division-by-zero' warnings"
SrcPort 1
DstBlock "QDR"
DstPort 1
}
Line {
SrcBlock "zero"
SrcPort 1
DstBlock "Relational\nOperator"
DstPort 1
}
Line {
SrcBlock "Fcn"
SrcPort 1
Points [10, 0; 0, -20]
DstBlock "Relational\nOperator"
DstPort 2
}
Line {
SrcBlock "uVOR"
SrcPort 1
Points [15, 0]
Branch {
DstBlock "QDR formula with protection \nagainst"
" 'division-by-zero' warnings"
DstPort 1
}
Branch {
Points [0, -35]
DstBlock "Fcn"
DstPort 1
}
}
Line {
SrcBlock "Relational\nOperator"
SrcPort 1
Points [45, 0]
DstBlock "QDR formula with protection \nagainst '"
"division-by-zero' warnings"
DstPort enable
}
}
}
Block {
BlockType Fcn
Name "R_VOR"
Position [85, 190, 275, 210]
FontName "Arial"
FontSize 11
Expr "sqrt((u[1]-xVOR)^2+(u[2]-yVOR)^2)"
}
Block {
BlockType Fcn
Name "Range-flag"
Position [240, 375, 355, 395]
FontName "Arial"
FontSize 11
Expr "u[2]>u[1]"
}
Block {
BlockType Sum
Name "Sum"
Ports [2, 1, 0, 0, 0]
Position [305, 100, 320, 120]
ShowName off
FontName "Arial"
FontSize 11
IconShape "rectangular"
Inputs "-+"
SaturateOnIntegerOverflow on
}
Block {
BlockType Sum
Name "Sum1"
Ports [2, 1, 0, 0, 0]
Position [305, 45, 320, 65]
ShowName off
FontName "Arial"
FontSize 11
IconShape "rectangular"
Inputs "+-"
SaturateOnIntegerOverflow on
}
Block {
BlockType Fcn
Name "VOR-Range approximation"
Position [80, 310, 520, 330]
FontName "Arial"
FontSize 11
Expr "1000*(-2.3570*10^(-6)*(u[3]-HVOR)^2 + 5.708"
"7*10^(-2)*(u[3]-HVOR) + 80.8612)"
}
Block {
BlockType SubSystem
Name "t"
Ports [0, 0, 0, 0, 0]
Position [15, 6, 102, 55]
ForegroundColor "blue"
DropShadow on
ShowName off
OpenFcn "fdchelp vor"
FontName "Arial"
FontSize 11
ShowPortLabels off
MaskDisplay "disp('VOR signals\\nMarc Rauw\\nJanuary 200"
"5')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "t"
Location [24, 192, 134, 277]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
AutoZoom on
}
}
Block {
BlockType Outport
Name "yvor1"
Position [580, 103, 610, 117]
FontName "Arial"
FontSize 11
Port "1"
OutputWhenDisabled "held"
InitialOutput "[]"
}
Block {
BlockType Outport
Name "yvor2"
Position [580, 193, 610, 207]
FontName "Arial"
FontSize 11
Port "2"
OutputWhenDisabled "held"
InitialOutput "[]"
}
Block {
BlockType Outport
Name "yvor3"
Position [580, 373, 610, 387]
FontName "Arial"
FontSize 11
Port "3"
OutputWhenDisabled "held"
InitialOutput "[]"
}
Block {
BlockType Outport
Name "yvor4"
Position [580, 48, 610, 62]
FontName "Arial"
FontSize 11
Port "4"
OutputWhenDisabled "held"
InitialOutput "[]"
}
Line {
SrcBlock "QDR"
SrcPort 1
Points [85, 0]
Branch {
Points [0, -45]
DstBlock "Sum1"
DstPort 2
}
Branch {
DstBlock "Sum"
DstPort 1
}
}
Line {
SrcBlock "Cone of silence flag"
SrcPort 1
Points [105, 0]
DstBlock "Mux2"
DstPort 1
}
Line {
SrcBlock "Mux2"
SrcPort 1
DstBlock "yvor3"
DstPort 1
}
Line {
SrcBlock "VOR-Range approximation"
SrcPort 1
Points [10, 0; 0, 40; -455, 0]
DstBlock "Mux1"
DstPort 1
}
Line {
SrcBlock "Range-flag"
SrcPort 1
DstBlock "Mux2"
DstPort 2
}
Line {
SrcBlock "Mux1"
SrcPort 1
DstBlock "Range-flag"
DstPort 1
}
Line {
SrcBlock "R_VOR"
SrcPort 1
Points [15, 0]
Branch {
Points [0, 50]
Branch {
DstBlock "Cone of silence flag"
DstPort 1
}
Branch {
Points [-245, 0; 0, 140]
DstBlock "Mux1"
DstPort 2
}
}
Branch {
DstBlock "yvor2"
DstPort 1
}
}
Line {
SrcBlock "Sum"
SrcPort 1
DstBlock "+/- 10 deg"
DstPort 1
}
Line {
Name "Gamma_VOR"
FontName "Arial"
FontSize 11
Labels [1, 0]
SrcBlock "+/- 10 deg"
SrcPort 1
DstBlock "yvor1"
DstPort 1
}
Line {
SrcBlock "Sum1"
SrcPort 1
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