Model {
  Name			  "PID_StepChangeInLoad_2"
  Version		  3.00
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  WideVectorLines	  off
  ShowLineWidths	  off
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  StartTime		  "0"
  StopTime		  "20"
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  Solver		  "ode45"
  RelTol		  "1e-3"
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  Refine		  "1"
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  OutputOption		  "RefineOutputTimes"
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  ExternalInput		  "[t, u]"
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  SaveState		  off
  StateSaveName		  "xout"
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  MinStepSizeMsg	  "warning"
  UnconnectedInputMsg	  "warning"
  UnconnectedOutputMsg	  "warning"
  UnconnectedLineMsg	  "warning"
  InheritedTsInSrcMsg	  "warning"
  IntegerOverflowMsg	  "warning"
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  Int32ToFloatConvMsg	  "warning"
  SignalLabelMismatchMsg  "none"
  ConsistencyChecking	  "off"
  ZeroCross		  on
  SimulationMode	  "normal"
  BlockDataTips		  on
  BlockParametersDataTip  on
  BlockAttributesDataTip  off
  BlockPortWidthsDataTip  off
  BlockDescriptionStringDataTip	off
  BlockMaskParametersDataTip off
  ToolBar		  on
  StatusBar		  on
  BrowserShowLibraryLinks off
  BrowserLookUnderMasks	  off
  OptimizeBlockIOStorage  on
  BufferReuse		  on
  BooleanDataType	  off
  RTWSystemTargetFile	  "grt.tlc"
  RTWInlineParameters	  off
  RTWRetainRTWFile	  off
  RTWTemplateMakefile	  "grt_default_tmf"
  RTWMakeCommand	  "make_rtw"
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  ExtModeMexFile	  "ext_comm"
  ExtModeBatchMode	  off
  ExtModeTrigType	  "manual"
  ExtModeTrigMode	  "oneshot"
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  ExtModeTrigElement	  "any"
  ExtModeTrigDuration	  1000
  ExtModeTrigHoldOff	  0
  ExtModeTrigDelay	  0
  ExtModeTrigDirection	  "rising"
  ExtModeTrigLevel	  0
  ExtModeArchiveMode	  "off"
  ExtModeAutoIncOneShot	  off
  ExtModeIncDirWhenArm	  off
  ExtModeAddSuffixToVar	  off
  ExtModeWriteAllDataToWs off
  ExtModeArmWhenConnect	  off
  Created		  "Sun Mar 04 11:52:19 2001"
  UpdateHistory		  "UpdateHistoryNever"
  ModifiedByFormat	  "%<Auto>"
  ModifiedDateFormat	  "%<Auto>"
  LastModifiedDate	  "Sat Mar 17 16:10:23 2001"
  ModelVersionFormat	  "1.%<AutoIncrement:46>"
  ConfigurationManager	  "none"
  BlockDefaults {
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    ForegroundColor	    "black"
    BackgroundColor	    "white"
    DropShadow		    off
    NamePlacement	    "normal"
    FontName		    "Helvetica"
    FontSize		    10
    FontWeight		    "normal"
    FontAngle		    "normal"
    ShowName		    on
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  AnnotationDefaults {
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    VerticalAlignment	    "middle"
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    BackgroundColor	    "white"
    DropShadow		    off
    FontName		    "Helvetica"
    FontSize		    10
    FontWeight		    "normal"
    FontAngle		    "normal"
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    FontSize		    9
    FontWeight		    "normal"
    FontAngle		    "normal"
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  System {
    Name		    "PID_StepChangeInLoad_2"
    Location		    [281, 84, 781, 489]
    Open		    on
    ModelBrowserVisibility  off
    ModelBrowserWidth	    200
    ScreenColor		    "automatic"
    PaperOrientation	    "landscape"
    PaperPositionMode	    "auto"
    PaperType		    "usletter"
    PaperUnits		    "inches"
    ZoomFactor		    "100"
    AutoZoom		    off
    ReportName		    "simulink-default.rpt"
    Block {
      BlockType		      SubSystem
      Name		      "PID"
      Ports		      [1, 1, 0, 0, 0]
      Position		      [130, 103, 190, 147]
      FontSize		      14
      ShowPortLabels	      on
      MaskDescription	      "PID Controller:\nEnter the control parameters i"
"n \nGain\nReset Rate (=1/Ti)\nDerivative Time\n"
      MaskHelp		      "c(t) = K(e(t) + (1/Ti)* Integral(e(t)dt) + Td*d"
"erivativeerror)\nDone on: 04-Mar-20001;\nM.Subramanian\nmsubbu@svce.ac.in"
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      MaskStyleString	      "edit,edit,edit"
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      MaskCallbackString      "||"
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      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "port"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "1|1|1"
      System {
	Name			"PID"
	Location		[354, 84, 784, 311]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"automatic"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
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	Block {
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	  DataType		  "auto"
	  SignalType		  "auto"
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	Block {
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	  ShowName		  off
	  Gain			  "1"
	  SaturateOnIntegerOverflow on
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	Block {
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	  Name			  "Derivative"
	  Position		  [250, 65, 280, 95]
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	Block {
	  BlockType		  Gain
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	  Gain			  "Td"
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	Block {
	  BlockType		  Integrator
	  Name			  "Integrator"
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	  ExternalReset		  "none"
	  InitialConditionSource  "internal"
	  InitialCondition	  "0"
	  LimitOutput		  off
	  UpperSaturationLimit	  "inf"
	  LowerSaturationLimit	  "-inf"
	  ShowSaturationPort	  off
	  ShowStatePort		  off
	  AbsoluteTolerance	  "auto"
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	Block {
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	  Name			  "Proportional Gain"
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	  Gain			  "K"
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	Block {
	  BlockType		  Gain
	  Name			  "Reset Rate"
	  Position		  [175, 120, 205, 150]
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	  IconShape		  "rectangular"
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	Block {
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	  OutputWhenDisabled	  "held"
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	Line {
	  SrcBlock		  "Derivative Time"
	  SrcPort		  1
	  DstBlock		  "Derivative"
	  DstPort		  1
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	Line {
	  SrcBlock		  "Reset Rate"
	  SrcPort		  1
	  DstBlock		  "Integrator"
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	Line {
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	  Points		  [25, 0]
	  DstBlock		  "Sum"
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	Line {
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	  SrcPort		  1
	  Points		  [70, 0]
	  DstBlock		  "Sum"
	  DstPort		  1
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	  SrcPort		  1
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	    DstBlock		    "Derivative Time"
	    DstPort		    1
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	  SrcPort		  1
	  DstBlock		  "Proportional Gain"
	  DstPort		  1
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	Annotation {
	  Position		  [229, 202]
	  Text			  "PID Controller"
	  FontSize		  14
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      FontSize		      14
      Floating		      off
      Location		      [114, 139, 594, 496]
      Open		      off
      NumInputPorts	      "1"
      TickLabels	      "OneTimeTick"
      ZoomMode		      "on"
      List {
	ListType		AxesTitles
	axes1			"%<SignalLabel>"
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      Grid		      "on"
      TimeRange		      "auto"
      YMin		      "0"
      YMax		      "0.05"
      SaveToWorkspace	      off
      SaveName		      "ScopeData"
      DataFormat	      "StructureWithTime"
      LimitMaxRows	      on
      MaxRows		      "5000"
      Decimation	      "1"
      SampleInput	      off
      SampleTime	      "0"
    }
    Block {
      BlockType		      Constant
      Name		      "Set point\n Constant"
      Position		      [15, 110, 45, 140]
      FontSize		      14
      Value		      "0"
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    Block {
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      Name		      "Step"
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      Orientation	      "down"
      NamePlacement	      "alternate"
      FontSize		      14
      Time		      "1"
      Before		      "0"
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      Position		      [75, 115, 95, 135]
      NamePlacement	      "alternate"
      ShowName		      off
      FontSize		      14
      IconShape		      "round"
      Inputs		      "|+-"
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    Block {
      BlockType		      TransferFcn
      Name		      "Transfer Fcn"
      Position		      [230, 107, 290, 143]
      ShowName		      off
      FontSize		      14
      Numerator		      "[10]"
      Denominator	      "[1 -1]"
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    Block {
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      Orientation	      "down"
      ShowName		      off
      FontSize		      14
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    Line {
      SrcBlock		      "Transfer Fcn"
      SrcPort		      1
      DstBlock		      "Sum"
      DstPort		      2
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    Line {
      SrcBlock		      "Set point\n Constant"
      SrcPort		      1
      DstBlock		      "Sum1"
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      SrcBlock		      "Sum"
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      Points		      [15, 0]
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	DstBlock		"Transfer Fcn1"
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    Line {
      SrcBlock		      "PID"
      SrcPort		      1
      DstBlock		      "Transfer Fcn"
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    Line {
      Labels		      [0, 0]
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      SrcPort		      1
      DstBlock		      "PID"
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    Annotation {
      Position		      [156, 276]
      Text		      "PID controller - Step change in Load"
      FontSize		      14
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}