📄 sltank2.mdl
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MaskStyleString "edit,edit,edit"
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 off
MaskIconUnits autoscale
MaskValueString "0|1|InitialPosition"
System {
Name "Limited Integrator"
Location [0, 0, 791, 233]
Open off
ScreenColor white
Block {
BlockType Inport
Name "In_1"
Position [20, 130, 40, 150]
Port "1"
PortWidth "-1"
SampleTime "-1"
}
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"
Position [540, 126, 585, 144]
ExternalReset none
InitialConditionSource internal
InitialCondition "xi"
LimitOutput off
UpperSaturationLimit "inf"
LowerSaturationLimit "-inf"
ShowSaturationPort off
ShowStatePort off
AbsoluteTolerance "auto"
}
Block {
BlockType Mux
Name "Mux"
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]
Port "1"
OutputWhenDisabled held
InitialOutput "0"
}
Line {
SrcBlock "Integrator"
SrcPort 1
Points [10, 0]
Branch {
Points [0, -100; -545, 0; 0, 90]
DstBlock "Mux"
DstPort 1
}
Branch {
DstBlock "Saturation"
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 Product
Name "Product"
Position [180, 76, 215, 134]
Inputs "2"
}
Block {
BlockType Outport
Name "out flow"
Position [250, 95, 270, 115]
Port "1"
OutputWhenDisabled held
InitialOutput "0"
}
Line {
SrcBlock "source flow"
SrcPort 1
DstBlock "Product"
DstPort 2
}
Line {
SrcBlock "Product"
SrcPort 1
DstBlock "out flow"
DstPort 1
}
Line {
SrcBlock "control"
SrcPort 1
DstBlock "Limited Integrator"
DstPort 1
}
Line {
SrcBlock "Limited Integrator"
SrcPort 1
Points [25, 0; 0, 60]
DstBlock "Product"
DstPort 1
}
}
}
Block {
BlockType Terminator
Name "Terminator"
Position [265, 110, 285, 130]
}
Block {
BlockType Terminator
Name "Terminator1"
Position [265, 165, 285, 185]
}
Block {
BlockType SubSystem
Name "tank 2"
Position [175, 61, 235, 119]
ShowPortLabels off
MaskType "Water tank"
MaskDescription "Cylindrical water tank with overflow signal"
MaskPromptString "Height of tank (m):|Bottom area (m^2):|Out "
"pipe crossection (m^2):|Overflow sensor "
"distance from top (m):|Initial level "
"height (m):"
MaskStyleString "edit,edit,edit,edit,edit"
MaskInitialization "ht=@1;area=@2;outletArea=@3;overflowLimit=@4"
";initialHt=@5;"
MaskDisplay "disp('WATER\\nTANK')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate off
MaskIconUnits autoscale
MaskValueString "2|1|0.05|0|0.5"
System {
Name "tank 2"
Location [109, 460, 655, 768]
Open on
ScreenColor white
Block {
BlockType Inport
Name "flow\nin"
Position [25, 175, 45, 195]
Port "1"
PortWidth "-1"
SampleTime "-1"
}
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"
OnOutputValue "1"
OffOutputValue "0"
}
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"
Position [105, 175, 125, 210]
Inputs "+-"
}
Block {
BlockType SubSystem
Name "tank\nvolume"
Position [150, 174, 200, 216]
ShowPortLabels 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\\txdo"
"t=0\\nelse\\n\\txdot=u."
MaskPromptString "Lower bound:|Upper bound:|Initial "
"condition"
MaskStyleString "edit,edit,edit"
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 off
MaskIconUnits autoscale
MaskValueString "0|ht * area|initialHt * area"
System {
Name "tank\nvolume"
Location [0, 0, 791, 233]
Open off
ScreenColor white
Block {
BlockType Inport
Name "In_1"
Position [20, 130, 40, 150]
Port "1"
PortWidth "-1"
SampleTime "-1"
}
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"
Position [540, 126, 585, 144]
ExternalReset none
InitialConditionSource internal
InitialCondition "xi"
LimitOutput off
UpperSaturationLimit "inf"
LowerSaturationLimit "-inf"
ShowSaturationPort off
ShowStatePort off
AbsoluteTolerance "auto"
}
Block {
BlockType Mux
Name "Mux"
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]
Port "1"
OutputWhenDisabled held
InitialOutput "0"
}
Line {
SrcBlock "Integrator"
SrcPort 1
Points [10, 0]
Branch {
Points [0, -100; -545, 0; 0, 90]
DstBlock "Mux"
DstPort 1
}
Branch {
DstBlock "Saturation"
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]
Port "1"
OutputWhenDisabled held
InitialOutput "0"
}
Block {
BlockType Outport
Name "flow\nout"
Position [495, 185, 515, 205]
Port "2"
OutputWhenDisabled held
InitialOutput "0"
}
Block {
BlockType Outport
Name "overflow\nflag"
Position [495, 30, 515, 50]
Port "3"
OutputWhenDisabled held
InitialOutput "0"
}
Line {
SrcBlock "1/area"
SrcPort 1
Points [0, 0]
Branch {
Points [10, 0; 0, -85]
Branch {
DstBlock "water\nlevel"
DstPort 1
}
Branch {
Points [0, -70]
DstBlock "Overflow sensor"
DstPort 1
}
}
Branch {
DstBlock "sqrt(2gh)"
DstPort 1
}
}
Line {
SrcBlock "outletArea"
SrcPort 1
Points [10, 0]
Branch {
Points [0, 65; -390, 0; 0, -60]
DstBlock "sum"
DstPort 2
}
Branch {
DstBlock "flow\nout"
DstPort 1
}
}
Line {
SrcBlock "sqrt(2gh)"
SrcPort 1
DstBlock "outletArea"
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 [20, 109, 65, 141]
Value "0.5"
}
Block {
BlockType Outport
Name "out_1"
Position [265, 60, 285, 80]
Port "1"
OutputWhenDisabled held
InitialOutput "0"
}
Line {
SrcBlock "Subsystem"
SrcPort 1
DstBlock "tank 2"
DstPort 1
}
Line {
SrcBlock "tank max\ninflow"
SrcPort 1
Points [5, 0; 0, -25]
DstBlock "Subsystem"
DstPort 2
}
Line {
SrcBlock "tank 2"
SrcPort 1
DstBlock "out_1"
DstPort 1
}
Line {
SrcBlock "in_1"
SrcPort 1
Points [15, 0; 0, 25]
DstBlock "Subsystem"
DstPort 1
}
Line {
SrcBlock "tank 2"
SrcPort 2
Points [10, 0]
DstBlock "Terminator"
DstPort 1
}
Line {
SrcBlock "tank 2"
SrcPort 3
Points [0, 65]
DstBlock "Terminator1"
DstPort 1
}
}
}
Block {
BlockType Sum
Name "level\nerror1"
Position [175, 43, 195, 87]
Inputs "+-"
}
Block {
BlockType Sum
Name "level\nerror2"
Position [175, 183, 195, 227]
Inputs "+-"
}
Line {
SrcBlock "Water\nTank"
SrcPort 1
Points [15, 0; 0, 145; -410, 0; 0, -70]
Branch {
Points [0, -80]
Branch {
DstBlock "Derivative"
DstPort 1
}
Branch {
Points [0, -60]
DstBlock "level\nerror1"
DstPort 2
}
}
Branch {
DstBlock "Animation"
DstPort 2
}
Branch {
DstBlock "level\nerror2"
DstPort 2
}
}
Line {
SrcBlock "level\nerror2"
SrcPort 1
DstBlock "PID \nController"
DstPort 1
}
Line {
SrcBlock "Derivative"
SrcPort 1
Points [15, 0; 0, -55]
DstBlock "Mux1"
DstPort 2
}
Line {
SrcBlock "Set Point"
SrcPort 1
Points [20, 0]
Branch {
Points [0, 140]
Branch {
DstBlock "level\nerror2"
DstPort 1
}
Branch {
DstBlock "Animation"
DstPort 1
}
}
Branch {
DstBlock "level\nerror1"
DstPort 1
}
}
Line {
SrcBlock "PID \nController"
SrcPort 1
Points [15, 0; 0, -55]
DstBlock "Switch"
DstPort 2
}
Line {
SrcBlock "Fuzzy\nLogic\nController"
SrcPort 1
Points [5, 0; 0, 50]
DstBlock "Switch"
DstPort 1
}
Line {
SrcBlock "Switch"
SrcPort 1
DstBlock "Water\nTank"
DstPort 1
}
Line {
SrcBlock "level\nerror1"
SrcPort 1
DstBlock "Mux1"
DstPort 1
}
Line {
SrcBlock "Mux1"
SrcPort 1
DstBlock "Fuzzy\nLogic\nController"
DstPort 1
}
}
}
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