📄 tank_4.mdl
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Name "flow\nin"
Position [25, 175, 45, 195]
}
Block {
BlockType Gain
Name "1/area"
Position [220, 167, 270, 223]
Gain "1/area"
}
Block {
BlockType Relay
Name "Overflow sensor"
Position [385, 18, 425, 62]
OnSwitchValue "ht - overflowLimit"
OffSwitchValue "ht - overflowLimit"
}
Block {
BlockType Gain
Name "outletArea"
Position [410, 167, 460, 223]
Gain "outletArea"
}
Block {
BlockType Fcn
Name "sqrt(2gh)"
Position [300, 171, 390, 219]
Expr "sqrt(2*9.8*u)"
}
Block {
BlockType Sum
Name "sum"
Ports [2, 1]
Position [105, 175, 125, 210]
Inputs "+-"
}
Block {
BlockType SubSystem
Name "tank\nvolume"
Ports [1, 1]
Position [150, 174, 200, 216]
ShowPortLabels off
TreatAsAtomicUnit off
MaskType "Limited integrator."
MaskDescription "Limited integrator"
MaskHelp "Implements a limited integrator with \\nan "
"expression of the form:\\n\\nif(x<=lb and u<0) or (x>=ub and u>0)\\n\\txdot=0"
"\\nelse\\n\\txdot=u."
MaskPromptString "Lower bound:|Upper bound:|Initial condition"
MaskStyleString "edit,edit,edit"
MaskTunableValueString "on,on,on"
MaskCallbackString "||"
MaskEnableString "on,on,on"
MaskVisibilityString "on,on,on"
MaskToolTipString "on,on,on"
MaskVarAliasString ",,"
MaskInitialization "lb = @1; ub = @2; xi = @3;"
MaskDisplay "plot(-1,-0.2,3.5,1.2,[0.05,1,2,2.9],[0,0,1,"
"1]);disp(' 1/s ')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "0|ht * area|initialHt * area"
System {
Name "tank\nvolume"
Location [0, 0, 791, 233]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType Inport
Name "In_1"
Position [20, 130, 40, 150]
}
Block {
BlockType Fcn
Name "Fcn"
Position [150, 116, 520, 154]
Expr "u[2]*((((u[1]>lb)+(u[2]>=0))>0) * (((u["
"1]<ub)+(u[2]<=0))>0))"
}
Block {
BlockType Integrator
Name "Integrator"
Ports [1, 1]
Position [540, 126, 585, 144]
InitialCondition "xi"
}
Block {
BlockType Mux
Name "Mux"
Ports [2, 1]
Position [85, 116, 115, 149]
Inputs "2"
}
Block {
BlockType Saturate
Name "Saturation"
Position [630, 121, 675, 149]
UpperLimit "ub"
LowerLimit "lb"
}
Block {
BlockType Outport
Name "Out_1"
Position [720, 125, 740, 145]
InitialOutput "0"
}
Line {
SrcBlock "Integrator"
SrcPort 1
Points [10, 0]
Branch {
DstBlock "Saturation"
DstPort 1
}
Branch {
Points [0, -100; -545, 0; 0, 90]
DstBlock "Mux"
DstPort 1
}
}
Line {
SrcBlock "Fcn"
SrcPort 1
DstBlock "Integrator"
DstPort 1
}
Line {
SrcBlock "Mux"
SrcPort 1
DstBlock "Fcn"
DstPort 1
}
Line {
SrcBlock "In_1"
SrcPort 1
DstBlock "Mux"
DstPort 2
}
Line {
SrcBlock "Saturation"
SrcPort 1
DstBlock "Out_1"
DstPort 1
}
}
}
Block {
BlockType Outport
Name "water\nlevel"
Position [495, 100, 515, 120]
InitialOutput "0"
}
Block {
BlockType Outport
Name "flow\nout"
Position [495, 185, 515, 205]
Port "2"
InitialOutput "0"
}
Block {
BlockType Outport
Name "overflow\nflag"
Position [495, 30, 515, 50]
Port "3"
InitialOutput "0"
}
Line {
SrcBlock "outletArea"
SrcPort 1
Points [10, 0]
Branch {
DstBlock "flow\nout"
DstPort 1
}
Branch {
Points [0, 65; -390, 0; 0, -60]
DstBlock "sum"
DstPort 2
}
}
Line {
SrcBlock "sqrt(2gh)"
SrcPort 1
DstBlock "outletArea"
DstPort 1
}
Line {
SrcBlock "1/area"
SrcPort 1
Points [0, 0]
Branch {
Points [10, 0; 0, -85]
Branch {
Points [0, -70]
DstBlock "Overflow sensor"
DstPort 1
}
Branch {
DstBlock "water\nlevel"
DstPort 1
}
}
Branch {
DstBlock "sqrt(2gh)"
DstPort 1
}
}
Line {
SrcBlock "tank\nvolume"
SrcPort 1
DstBlock "1/area"
DstPort 1
}
Line {
SrcBlock "Overflow sensor"
SrcPort 1
DstBlock "overflow\nflag"
DstPort 1
}
Line {
SrcBlock "flow\nin"
SrcPort 1
DstBlock "sum"
DstPort 1
}
Line {
SrcBlock "sum"
SrcPort 1
DstBlock "tank\nvolume"
DstPort 1
}
}
}
Block {
BlockType Constant
Name "tank max\ninflow"
Position [410, 169, 455, 201]
Orientation "left"
Value "0.5"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
}
Line {
SrcBlock "tank 2"
SrcPort 2
Points [30, 0; 0, 30]
DstBlock "Scope4"
DstPort 1
}
Line {
SrcBlock "tank max\ninflow"
SrcPort 1
Points [-15, 0]
DstBlock "Subsystem"
DstPort 2
}
Line {
SrcBlock "Derivative"
SrcPort 1
DstBlock "change"
DstPort 1
}
Line {
SrcBlock "Mux1"
SrcPort 1
Points [0, 10]
DstBlock "Fuzzy Logic\nController"
DstPort 1
}
Line {
SrcBlock "change"
SrcPort 1
Points [-25, 0]
Branch {
Points [-35, 0]
DstBlock "Mux1"
DstPort 2
}
Branch {
Points [0, -60]
DstBlock "change\nscope"
DstPort 1
}
}
Line {
SrcBlock "Constant"
SrcPort 1
Points [15, 0; 0, 25]
DstBlock "Sum1"
DstPort 1
}
Line {
SrcBlock "Signal\nGenerator"
SrcPort 1
Points [10, 0; 0, -35]
DstBlock "Sum1"
DstPort 2
}
Line {
SrcBlock "Subsystem"
SrcPort 1
DstBlock "tank 2"
DstPort 1
}
Line {
SrcBlock "tank 2"
SrcPort 1
Points [15, 0]
Branch {
DstBlock "Mux2"
DstPort 2
}
Branch {
Points [0, 195]
Branch {
Points [0, 45; -415, 0; 0, -190]
DstBlock "error"
DstPort 2
}
Branch {
DstBlock "Derivative"
DstPort 1
}
}
}
Line {
SrcBlock "Sum1"
SrcPort 1
Points [15, 0]
Branch {
DstBlock "error"
DstPort 1
}
Branch {
Points [0, -115; 410, 0; 0, 60]
DstBlock "Mux2"
DstPort 1
}
}
Line {
SrcBlock "tank 2"
SrcPort 3
Points [5, 0; 0, 45]
DstBlock "Scope2"
DstPort 1
}
Line {
SrcBlock "Switch"
SrcPort 1
DstBlock "Subsystem"
DstPort 1
}
Line {
SrcBlock "Mux2"
SrcPort 1
DstBlock "Comparison"
DstPort 1
}
Line {
SrcBlock "error"
SrcPort 1
Points [0, 0]
Branch {
DstBlock "Mux1"
DstPort 1
}
Branch {
Points [10, 0; 0, -85]
DstBlock "PID Controller"
DstPort 1
}
}
Line {
SrcBlock "Fuzzy Logic\nController"
SrcPort 1
Points [20, 0]
DstBlock "Switch"
DstPort 3
}
Line {
SrcBlock "PID Controller"
SrcPort 1
Points [50, 0]
DstBlock "Switch"
DstPort 1
}
Line {
SrcBlock "const"
SrcPort 1
DstBlock "Switch"
DstPort 2
}
Annotation {
Name "Try the demo\n\"sltank2\""
Position [62, 287]
VerticalAlignment "top"
}
}
}
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