blockhold.mdl

来自「realize analysis and design for computer」· MDL 代码 · 共 373 行

Model {
  Name			  "blockhold"
  Version		  2.00
  SimParamPage		  Solver
  SampleTimeColors	  off
  WideVectorLines	  off
  PaperOrientation	  landscape
  StartTime		  "0.0"
  StopTime		  "10"
  Solver		  ode45
  RelTol		  "1e-3"
  AbsTol		  "1e-6"
  Refine		  "1"
  MaxStep		  "auto"
  InitialStep		  "auto"
  FixedStep		  "auto"
  MaxOrder		  5
  OutputOption		  RefineOutputTimes
  OutputTimes		  "[]"
  LoadExternalInput	  off
  ExternalInput		  "[t, u]"
  SaveTime		  off
  TimeSaveName		  "tout"
  SaveState		  off
  StateSaveName		  "xout"
  SaveOutput		  off
  OutputSaveName	  "yout"
  LoadInitialState	  off
  InitialState		  "xInitial"
  SaveFinalState	  off
  FinalStateName	  "xFinal"
  LimitMaxRows		  off
  MaxRows		  "1000"
  Decimation		  "1"
  AlgebraicLoopMsg	  warning
  MinStepSizeMsg	  warning
  UnconnectedInputMsg	  warning
  UnconnectedOutputMsg	  warning
  UnconnectedLineMsg	  warning
  ConsistencyChecking	  off
  ZeroCross		  on
  BlockDefaults {
    Orientation		    right
    ForegroundColor	    black
    BackgroundColor	    white
    DropShadow		    off
    NamePlacement	    normal
    FontName		    "Helvetica"
    FontSize		    10
    FontWeight		    normal
    FontAngle		    normal
    ShowName		    on
  }
  AnnotationDefaults {
    HorizontalAlignment	    center
    VerticalAlignment	    middle
    ForegroundColor	    black
    BackgroundColor	    white
    DropShadow		    off
    FontName		    "Helvetica"
    FontSize		    10
    FontWeight		    normal
    FontAngle		    normal
  }
  System {
    Name		    "blockhold"
    Location		    [30, 70, 565, 416]
    Open		    on
    ScreenColor		    white
    Block {
      BlockType		      SubSystem
      Name		      "First-Order\nHold1"
      Position		      [235, 209, 270, 241]
      ShowName		      off
      ShowPortLabels	      off
      MaskType		      "First-Order Hold"
      MaskDescription	      "First-Order Hold"
      MaskHelp		      "Implements a First-Order sample-and-hold "
			      "latch operating at the sampling interval "
			      "you specify."
      MaskPromptString	      "Sample Time:"
      MaskStyleString	      "edit"
      MaskInitialization      "Ts=@1;"
      MaskDisplay	      "plot(0,0,100,100,[90,70,50,30,10],[60,40,80,30,2"
			      "0])"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      off
      MaskIconUnits	      autoscale
      MaskValueString	      "h"
      System {
	Name			"First-Order\nHold1"
	Location		[217, 151, 621, 322]
	Open			off
	ScreenColor		white
	Block {
	  BlockType		  Inport
	  Name			  "input"
	  Position		  [25, 35, 45, 55]
	  Port			  "1"
	  PortWidth		  "-1"
	  SampleTime		  "-1"
	}
	Block {
	  BlockType		  Gain
	  Name			  "Gain"
	  Position		  [285, 33, 325, 77]
	  Gain			  "1/Ts"
	}
	Block {
	  BlockType		  Integrator
	  Name			  "Integrator"
	  Position		  [235, 42, 260, 68]
	  ExternalReset		  none
	  InitialConditionSource  internal
	  InitialCondition	  "0"
	  LimitOutput		  off
	  UpperSaturationLimit	  "inf"
	  LowerSaturationLimit	  "-inf"
	  ShowSaturationPort	  off
	  ShowStatePort		  off
	  AbsoluteTolerance	  "auto"
	}
	Block {
	  BlockType		  Sum
	  Name			  "Sum"
	  Position		  [190, 37, 210, 68]
	  Inputs		  "+-"
	}
	Block {
	  BlockType		  UnitDelay
	  Name			  "Unit Delay"
	  Position		  [90, 93, 140, 117]
	  X0			  "0"
	  SampleTime		  "Ts"
	}
	Block {
	  BlockType		  ZeroOrderHold
	  Name			  "Zero-Order\nHold"
	  Position		  [100, 29, 135, 61]
	  SampleTime		  "Ts"
	}
	Block {
	  BlockType		  Outport
	  Name			  "output"
	  Position		  [345, 45, 365, 65]
	  Port			  "1"
	  OutputWhenDisabled	  held
	  InitialOutput		  "0"
	}
	Line {
	  SrcBlock		  "Gain"
	  SrcPort		  1
	  DstBlock		  "output"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Integrator"
	  SrcPort		  1
	  DstBlock		  "Gain"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Sum"
	  SrcPort		  1
	  DstBlock		  "Integrator"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Unit Delay"
	  SrcPort		  1
	  Points		  [20, 0; 0, -45]
	  DstBlock		  "Sum"
	  DstPort		  2
	}
	Line {
	  SrcBlock		  "Zero-Order\nHold"
	  SrcPort		  1
	  DstBlock		  "Sum"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "input"
	  SrcPort		  1
	  Points		  [15, 0]
	  Branch {
	    Points		    [0, 60]
	    DstBlock		    "Unit Delay"
	    DstPort		    1
	  }
	  Branch {
	    DstBlock		    "Zero-Order\nHold"
	    DstPort		    1
	  }
	}
      }
    }
    Block {
      BlockType		      Integrator
      Name		      "Integrator"
      Position		      [305, 130, 325, 150]
      ExternalReset	      none
      InitialConditionSource      internal
      InitialCondition	      "0"
      LimitOutput	      off
      UpperSaturationLimit      "inf"
      LowerSaturationLimit      "-inf"
      ShowSaturationPort      off
      ShowStatePort	      off
      AbsoluteTolerance	      "auto"
    }
    Block {
      BlockType		      Sin
      Name		      "Sine Wave"
      Position		      [55, 125, 75, 145]
      ShowName		      off
      Amplitude		      "1"
      Frequency		      "1"
      Phase		      "0"
      SampleTime	      "0.05"
    }
    Block {
      BlockType		      Sin
      Name		      "Sine Wave1"
      Position		      [55, 215, 75, 235]
      ShowName		      off
      Amplitude		      "1"
      Frequency		      "1"
      Phase		      "h"
      SampleTime	      "-1"
    }
    Block {
      BlockType		      Sum
      Name		      "Sum"
      Position		      [180, 130, 200, 150]
      Inputs		      "+-"
    }
    Block {
      BlockType		      Sum
      Name		      "Sum1"
      Position		      [360, 125, 380, 145]
      Inputs		      "++"
    }
    Block {
      BlockType		      ZeroOrderHold
      Name		      "Zero-Order\nHold"
      Position		      [230, 54, 265, 86]
      ShowName		      off
      SampleTime	      "h"
    }
    Block {
      BlockType		      ZeroOrderHold
      Name		      "Zero-Order\nHold1"
      Position		      [225, 124, 260, 156]
      ShowName		      off
      SampleTime	      "h"
    }
    Block {
      BlockType		      Outport
      Name		      "Outport"
      Position		      [410, 60, 430, 80]
      ShowName		      off
      Port		      "1"
      OutputWhenDisabled      held
      InitialOutput	      "0"
    }
    Block {
      BlockType		      Outport
      Name		      "Outport1"
      Position		      [415, 125, 435, 145]
      ShowName		      off
      Port		      "2"
      OutputWhenDisabled      held
      InitialOutput	      "0"
    }
    Block {
      BlockType		      Outport
      Name		      "Outport2"
      Position		      [415, 215, 435, 235]
      ShowName		      off
      Port		      "3"
      OutputWhenDisabled      held
      InitialOutput	      "0"
    }
    Block {
      BlockType		      Outport
      Name		      "Outport3"
      Position		      [130, 30, 150, 50]
      ShowName		      off
      Port		      "4"
      OutputWhenDisabled      held
      InitialOutput	      "0"
    }
    Line {
      SrcBlock		      "Sum1"
      SrcPort		      1
      DstBlock		      "Outport1"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Integrator"
      SrcPort		      1
      Points		      [0, 0]
      Branch {
	Points			[10, 0; 0, 40; -180, 0; 0, -35]
	DstBlock		"Sum"
	DstPort			2
      }
      Branch {
	DstBlock		"Sum1"
	DstPort			2
      }
    }
    Line {
      SrcBlock		      "Zero-Order\nHold1"
      SrcPort		      1
      Points		      [0, 0]
      Branch {
	Points			[15, 0; 0, -40; 60, 0; 0, 30]
	DstBlock		"Sum1"
	DstPort			1
      }
      Branch {
	DstBlock		"Integrator"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "Sum"
      SrcPort		      1
      DstBlock		      "Zero-Order\nHold1"
      DstPort		      1
    }
    Line {
      SrcBlock		      "First-Order\nHold1"
      SrcPort		      1
      DstBlock		      "Outport2"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Sine Wave1"
      SrcPort		      1
      DstBlock		      "First-Order\nHold1"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Zero-Order\nHold"
      SrcPort		      1
      DstBlock		      "Outport"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Sine Wave"
      SrcPort		      1
      Points		      [0, 0]
      Branch {
	DstBlock		"Sum"
	DstPort			1
      }
      Branch {
	Points			[70, 0; 0, -65]
	DstBlock		"Zero-Order\nHold"
	DstPort			1
      }
      Branch {
	Points			[15, 0; 0, -95]
	DstBlock		"Outport3"
	DstPort			1
      }
    }
  }
}