m4_7_2.mdl

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Model {
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  Created		  "Sat Sep 28 10:29:19 2002"
  UpdateHistory		  "UpdateHistoryNever"
  ModifiedByFormat	  "%<Auto>"
  LastModifiedBy	  "Guangda Chen"
  ModifiedDateFormat	  "%<Auto>"
  LastModifiedDate	  "Fri May 23 11:07:10 2003"
  ModelVersionFormat	  "1.%<AutoIncrement:11>"
  ConfigurationManager	  "None"
  SimParamPage		  "Solver"
  StartTime		  "0.0"
  StopTime		  "10.0"
  SolverMode		  "Auto"
  Solver		  "ode45"
  RelTol		  "1e-3"
  AbsTol		  "auto"
  Refine		  "1"
  MaxStep		  "auto"
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  MaxNumMinSteps	  "-1"
  InitialStep		  "auto"
  FixedStep		  "auto"
  MaxOrder		  5
  OutputOption		  "RefineOutputTimes"
  OutputTimes		  "[]"
  LoadExternalInput	  off
  ExternalInput		  "[t, u]"
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  FinalStateName	  "xFinal"
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  SingleTaskRateTransMsg  "none"
  MultiTaskRateTransMsg	  "error"
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  CheckForMatrixSingularity "none"
  UnnecessaryDatatypeConvMsg "none"
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  SimulationMode	  "normal"
  RTWSystemTargetFile	  "grt.tlc"
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  LineDefaults {
    FontName		    "Helvetica"
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  }
  System {
    Name		    "m4_7_2"
    Location		    [833, 340, 1197, 570]
    Open		    on
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    PaperOrientation	    "landscape"
    PaperPositionMode	    "auto"
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    PaperUnits		    "centimeters"
    ZoomFactor		    "100"
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    Block {
      BlockType		      SubSystem
      Name		      "Subsystem"
      Ports		      [1, 1]
      Position		      [145, 60, 230, 120]
      AttributesFormatString  "PID Governor"
      ShowPortLabels	      on
      TreatAsAtomicUnit	      off
      RTWSystemCode	      "Auto"
      RTWFcnNameOpts	      "Auto"
      RTWFileNameOpts	      "Auto"
      MaskType		      "PID Governor"
      MaskDescription	      "This block is a conventional PID Regulator for "
"hydro-turbine governing system with saturation nonlinear characteristics."
      MaskHelp		      "This block is a conventional PID Regulator for "
"hydro-turbine governing system with saturation nonlinear characteristics.\n\n"
"There are six parameters which include:\n(1) Td, Temporary-feedback time-cons"
"tant;\n(2) bt, Temporary-feedback coefficient;\n(3) Tn, Derivative time-const"
"ant;\n(4) bp, Permanent-feedback coefficient;\n(5)U, Upper limit;\n(6)L, Lowe"
"r limit."
      MaskPromptString	      "Lower limit|Upper limit|Permanent-feedback coef"
"ficient|Derivative time-constant|Temporary-feedback coefficient|Temporary-fee"
"dback time-constant"
      MaskStyleString	      "edit,edit,edit,edit,edit,edit"
      MaskTunableValueString  "on,on,on,on,on,on"
      MaskCallbackString      "|||||"
      MaskEnableString	      "on,on,on,on,on,on"
      MaskVisibilityString    "on,on,on,on,on,on"
      MaskToolTipString	      "on,on,on,on,on,on"
      MaskVariables	      "L=@1;U=@2;bp=@3;Tn=@4;bt=@5;Td=@6;"
      MaskInitialization      "Td=7.5\nbt=1.1\nTn=1.2\nbp=0\nU=1\nL=0"
      MaskDisplay	      "disp('Regulator PID')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "|||||"
      MaskVariableAliases     ",,,,,"
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	Block {
	  BlockType		  Inport
	  Name			  "In1"
	  Position		  [15, 38, 45, 52]
	  Port			  "1"
	  LatchInput		  off
	  Interpolate		  on
	}
	Block {
	  BlockType		  Gain
	  Name			  "  Time \nconstant"
	  Position		  [215, 43, 270, 77]
	  Gain			  "1/0.05"
	  Multiplication	  "Element-wise(K.*u)"
	  SaturateOnIntegerOverflow on
	}
	Block {
	  BlockType		  TransferFcn
	  Name			  "Derivative"
	  Position		  [60, 27, 120, 63]
	  Numerator		  "[Tn 1]"
	  Denominator		  "[0.1*Tn 1]"
	  AbsoluteTolerance	  "auto"
	  Realization		  "auto"
	}
	Block {
	  BlockType		  Integrator
	  Name			  "Integrator"
	  Ports			  [1, 1]
	  Position		  [285, 45, 315, 75]
	  ExternalReset		  "none"
	  InitialConditionSource  "internal"
	  InitialCondition	  "0"
	  LimitOutput		  on
	  UpperSaturationLimit	  "U"
	  LowerSaturationLimit	  "L"
	  ShowSaturationPort	  off
	  ShowStatePort		  off
	  AbsoluteTolerance	  "auto"
	}
	Block {
	  BlockType		  Gain
	  Name			  "Permanent feedback \n"
	  Position		  [275, 165, 305, 195]
	  Orientation		  "left"
	  Gain			  "bp"
	  Multiplication	  "Element-wise(K.*u)"
	  SaturateOnIntegerOverflow on
	}
	Block {
	  BlockType		  Sum
	  Name			  "Sum"
	  Ports			  [3, 1]
	  Position		  [175, 36, 195, 84]
	  ShowName		  off
	  IconShape		  "rectangular"
	  Inputs		  "+--"
	  SaturateOnIntegerOverflow on
	}
	Block {
	  BlockType		  TransferFcn
	  Name			  "Temporary feedback "
	  Position		  [255, 107, 315, 143]
	  Orientation		  "left"
	  Numerator		  "[bt*Td 0]"
	  Denominator		  "[Td 1]"
	  AbsoluteTolerance	  "auto"
	  Realization		  "auto"
	}
	Block {
	  BlockType		  Outport
	  Name			  "Out1"
	  Position		  [365, 53, 395, 67]
	  Port			  "1"
	  OutputWhenDisabled	  "held"
	  InitialOutput		  "[]"
	}
	Line {
	  SrcBlock		  "  Time \nconstant"
	  SrcPort		  1
	  DstBlock		  "Integrator"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Integrator"
	  SrcPort		  1
	  Points		  [0, 0; 25, 0]
	  Branch {
	    Points		    [0, 65]
	    Branch {
	      DstBlock		      "Temporary feedback "
	      DstPort		      1
	    }
	    Branch {
	      Points		      [0, 55]
	      DstBlock		      "Permanent feedback \n"
	      DstPort		      1
	    }
	  }
	  Branch {
	    DstBlock		    "Out1"
	    DstPort		    1
	  }
	}
	Line {
	  SrcBlock		  "Sum"
	  SrcPort		  1
	  DstBlock		  "  Time \nconstant"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Temporary feedback "
	  SrcPort		  1
	  Points		  [-90, 0]
	  DstBlock		  "Sum"
	  DstPort		  3
	}
	Line {
	  SrcBlock		  "Permanent feedback \n"
	  SrcPort		  1
	  Points		  [-120, 0; 0, -120]
	  DstBlock		  "Sum"
	  DstPort		  2
	}
	Line {
	  SrcBlock		  "Derivative"
	  SrcPort		  1
	  DstBlock		  "Sum"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "In1"
	  SrcPort		  1
	  DstBlock		  "Derivative"
	  DstPort		  1
	}
      }
    }
  }
}