📄 dcmot2.mdl
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Ports [1, 1]
Position [470, 44, 500, 76]
ShowName off
Port {
PortNumber 1
Name "wm"
TestPoint off
LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
DataLogging off
DataLoggingNameMode "SignalName"
DataLoggingDecimateData off
DataLoggingDecimation "2"
DataLoggingLimitDataPoints off
DataLoggingMaxPoints "5000"
}
}
Block {
BlockType Gain
Name "Kt"
Position [275, 44, 310, 76]
Gain "K"
Port {
PortNumber 1
Name "Te"
TestPoint off
LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
DataLogging off
DataLoggingNameMode "SignalName"
DataLoggingDecimateData off
DataLoggingDecimation "2"
DataLoggingLimitDataPoints off
DataLoggingMaxPoints "5000"
}
}
Block {
BlockType Gain
Name "Kv"
Position [275, 170, 310, 200]
Orientation "left"
Gain "K"
}
Block {
BlockType Gain
Name "Ra"
Position [170, 105, 200, 135]
Orientation "left"
Gain "Ra"
}
Block {
BlockType Sum
Name "Sum"
Ports [3, 1]
Position [70, 45, 100, 75]
ShowName off
IconShape "round"
Inputs "||+--"
}
Block {
BlockType Sum
Name "Sum1"
Ports [3, 1]
Position [335, 45, 365, 75]
ShowName off
IconShape "round"
Inputs "||+--"
}
Block {
BlockType Gain
Name "rpm"
Position [560, 45, 595, 75]
Gain "30/pi"
}
Block {
BlockType Outport
Name "ia"
Position [245, 15, 275, 30]
Orientation "up"
}
Block {
BlockType Outport
Name "n"
Position [610, 52, 640, 68]
Port "2"
}
Line {
SrcBlock "Kv"
SrcPort 1
Points [-206, 0]
DstBlock "Sum"
DstPort 2
}
Line {
SrcBlock "Ra"
SrcPort 1
Points [-80, 0]
DstBlock "Sum"
DstPort 3
}
Line {
Name "Te"
Labels [1, 0]
SrcBlock "Kt"
SrcPort 1
DstBlock "Sum1"
DstPort 1
}
Line {
Name "Tf"
Labels [0, 0]
SrcBlock "Bm"
SrcPort 1
Points [-55, 0]
DstBlock "Sum1"
DstPort 3
}
Line {
SrcBlock "Sum"
SrcPort 1
DstBlock "1/La"
DstPort 1
}
Line {
SrcBlock "1/La"
SrcPort 1
DstBlock "Integrator"
DstPort 1
}
Line {
Name "ia"
Labels [1, 0]
SrcBlock "Integrator"
SrcPort 1
Points [30, 0]
Branch {
Points [0, 60]
DstBlock "Ra"
DstPort 1
}
Branch {
Points [0, 0]
Branch {
DstBlock "Kt"
DstPort 1
}
Branch {
DstBlock "ia"
DstPort 1
}
}
}
Line {
SrcBlock "Sum1"
SrcPort 1
DstBlock "1/J"
DstPort 1
}
Line {
SrcBlock "1/J"
SrcPort 1
DstBlock "Integrator1"
DstPort 1
}
Line {
SrcBlock "va"
SrcPort 1
DstBlock "Sum"
DstPort 1
}
Line {
SrcBlock "Tl"
SrcPort 1
Points [9, 0]
DstBlock "Sum1"
DstPort 2
}
Line {
Name "wm"
Labels [1, 0]
SrcBlock "Integrator1"
SrcPort 1
Points [35, 0]
Branch {
Points [0, 60]
Branch {
DstBlock "Bm"
DstPort 1
}
Branch {
Points [0, 65]
DstBlock "Kv"
DstPort 1
}
}
Branch {
DstBlock "rpm"
DstPort 1
}
}
Line {
SrcBlock "rpm"
SrcPort 1
DstBlock "n"
DstPort 1
}
Annotation {
Name "BLOCK DIAGRAM MODEL OF A DC MOTOR"
Position [302, 241]
ForegroundColor "blue"
FontSize 12
FontWeight "bold"
}
}
}
Block {
BlockType SubSystem
Name "Info"
Ports []
Position [80, 196, 126, 226]
BackgroundColor "yellow"
DropShadow on
ShowName off
TreatAsAtomicUnit off
MaskDisplay "disp('INFO')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "Info"
Location [561, 680, 925, 772]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Annotation {
Name "This demo simulates the ramp start of a DC "
"motor\nwith constant field or pm excitation\n(5 hp 240V 1200 rpm)\nrated torq"
"ue Tr = 30 N.m"
Position [186, 39]
FontName "Arial"
FontSize 12
FontWeight "bold"
}
}
}
Block {
BlockType Integrator
Name "Integrator"
Ports [1, 1]
Position [155, 78, 185, 112]
ShowName off
LimitOutput on
UpperSaturationLimit "240"
LowerSaturationLimit "-240"
Port {
PortNumber 1
Name "va"
TestPoint off
LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
DataLogging off
DataLoggingNameMode "SignalName"
DataLoggingDecimateData off
DataLoggingDecimation "2"
DataLoggingLimitDataPoints off
DataLoggingMaxPoints "5000"
}
}
Block {
BlockType Step
Name "Tl"
Position [155, 140, 185, 170]
ForegroundColor "red"
Time "3"
Before "4"
After "30"
SampleTime "0"
Port {
PortNumber 1
Name "Tl"
TestPoint off
LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
DataLogging off
DataLoggingNameMode "SignalName"
DataLoggingDecimateData off
DataLoggingDecimation "2"
DataLoggingLimitDataPoints off
DataLoggingMaxPoints "5000"
}
}
Block {
BlockType Scope
Name "current"
Ports [1]
Position [385, 79, 415, 111]
Location [557, 133, 1126, 423]
Open on
NumInputPorts "1"
List {
ListType AxesTitles
axes1 "Armature current [A]"
}
List {
ListType SelectedSignals
axes1 ""
}
TimeRange "4"
YMax "35"
DataFormat "StructureWithTime"
}
Block {
BlockType SubSystem
Name "model"
Ports []
Position [162, 188, 215, 240]
ForegroundColor "darkGreen"
DropShadow on
ShowName off
TreatAsAtomicUnit off
MaskDisplay "plot(-1.5,-1.5,1.5,1.5,cos(0:.01:7),sin(0:.01:7"
") )\ndisp('MODEL')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "model"
Location [180, 525, 480, 684]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Annotation {
Name "Mathematical model of the dc machine "
Position [154, 17]
ForegroundColor "blue"
FontSize 12
FontWeight "bold"
}
Annotation {
Name " Electrical system equation: \n "
" va = Ra.ia + La.dia/dt + ea\n where ea = K.wm\n "
" \n Mechanical system equation:\n Te = J.dwm/dt + Tl.signum(wm) +"
" f(wm)\n where Te = K.ia "
Position [20, 30]
HorizontalAlignment "left"
VerticalAlignment "top"
FontName "Arial"
FontSize 12
}
}
}
Block {
BlockType Constant
Name "ramping rate\nV/s"
Position [60, 79, 125, 111]
ForegroundColor "red"
Value "[100 150 200]"
}
Block {
BlockType Scope
Name "speed"
Ports [1]
Position [385, 139, 415, 171]
Location [559, 488, 1138, 787]
Open on
NumInputPorts "1"
List {
ListType AxesTitles
axes1 "Speed [rpm]"
}
List {
ListType SelectedSignals
axes1 ""
}
TimeRange "4"
YMin "-200"
YMax "1200"
DataFormat "StructureWithTime"
}
Block {
BlockType Scope
Name "voltage"
Ports [1]
Position [235, 14, 265, 46]
Location [20, 158, 552, 422]
Open on
NumInputPorts "1"
List {
ListType AxesTitles
axes1 "Voltage [V]"
}
List {
ListType SelectedSignals
axes1 ""
}
TimeRange "4"
YMin "0"
YMax "250"
DataFormat "StructureWithTime"
}
Line {
Name "Tl"
Labels [1, 0]
SrcBlock "Tl"
SrcPort 1
DstBlock "DC \nMOTOR"
DstPort 2
}
Line {
Name "ia"
Labels [-1, 1]
SrcBlock "DC \nMOTOR"
SrcPort 1
DstBlock "current"
DstPort 1
}
Line {
Name "n"
Labels [0, 1]
SrcBlock "DC \nMOTOR"
SrcPort 2
DstBlock "speed"
DstPort 1
}
Line {
Name "va"
Labels [2, 0]
SrcBlock "Integrator"
SrcPort 1
Points [0, 0; 25, 0]
Branch {
DstBlock "DC \nMOTOR"
DstPort 1
}
Branch {
Points [0, -65]
DstBlock "voltage"
DstPort 1
}
}
Line {
SrcBlock "ramping rate\nV/s"
SrcPort 1
DstBlock "Integrator"
DstPort 1
}
}
}
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