Plecs {
  Name          "Buck_Cntl"
  Version       "4.0"
  CircuitModel  "ContStateSpace"
  StartTime     "0.0"
  StopTime      "1.0"
  Solver        "radau"
  MaxStep       "1e-5"
  InitStep      "-1"
  FixedStep     "1e-3"
  Refine        "1"
  ZCStepSize    "1e-9"
  RelTol        "1e-3"
  AbsTol        "-1"
  TurnOnThreshold "0"
  SyncFixedStepTasks "2"
  UseSingleCommonBaseRate "2"
  LossVariableLimitExceededMsg "3"
  NegativeSwitchLossMsg "3"
  DivisionByZeroMsg "3"
  StiffnessDetectionMsg "2"
  MaxConsecutiveZCs "1000"
  AssertionAction "1"
  InitializationCommands ""
  InitialState  "1"
  SystemState   ""
  CodeGenParameterInlining "2"
  CodeGenInliningExceptions "AAAACwAAAAAA"
  CodeGenFloatingPointFormat "2"
  CodeGenIntegerWordSize "32"
  CodeGenAbsTimeUsageMsg "3"
  CodeGenBaseName ""
  CodeGenOutputDir ""
  CodeGenExtraOpts ""
  CodeGenTarget "Generic"
  CodeGenTargetSettings ""
  ExtendedMatrixPrecision "1"
  MatrixSignificanceCheck "2"
  ExternalModeSettings ""
  Schematic {
    Location      [97, 615; 663, 971]
    ZoomFactor    1
    SliderPosition [0, 8]
    ShowBrowser   off
    BrowserWidth  100
    Component {
      Type          Step
      Name          "Ref\nvolt"
      Show          on
      Position      [40, 275]
      Direction     right
      Flipped       off
      Parameter {
        Variable      "Time"
        Value         "0"
        Show          off
      }
      Parameter {
        Variable      "Before"
        Value         "0"
        Show          off
      }
      Parameter {
        Variable      "After"
        Value         "4"
        Show          off
      }
    }
    Component {
      Type          Sum
      Name          "Sum"
      Show          off
      Position      [115, 275]
      Direction     up
      Flipped       off
      Parameter {
        Variable      "IconShape"
        Value         "2"
        Show          off
      }
      Parameter {
        Variable      "Inputs"
        Value         "|+-"
        Show          off
      }
    }
    Component {
      Type          VoltageSource
      Name          "V"
      Show          on
      Position      [105, 115]
      Direction     down
      Flipped       on
      Parameter {
        Variable      "DiscretizationBehavior"
        Value         "2"
        Show          off
      }
      Parameter {
        Variable      "StateSpaceInlining"
        Value         "1"
        Show          off
      }
    }
    Component {
      Type          Step
      Name          "Vd"
      Show          on
      Position      [40, 115]
      Direction     right
      Flipped       off
      Parameter {
        Variable      "Time"
        Value         "0"
        Show          off
      }
      Parameter {
        Variable      "Before"
        Value         "8"
        Show          off
      }
      Parameter {
        Variable      "After"
        Value         "8"
        Show          off
      }
    }
    Component {
      Type          Diode
      Name          "D1"
      Show          on
      Position      [205, 165]
      Direction     down
      Flipped       off
      Parameter {
        Variable      "Vf"
        Value         "0"
        Show          off
      }
      Parameter {
        Variable      "Ron"
        Value         "0"
        Show          off
      }
      Parameter {
        Variable      "thermal"
        Value         ""
        Show          off
      }
      Parameter {
        Variable      "T_init"
        Value         "0"
        Show          off
      }
    }
    Component {
      Type          Inductor
      Name          "L1"
      Show          off
      Position      [300, 120]
      Direction     left
      Flipped       off
      Parameter {
        Variable      "L"
        Value         "5e-6"
        Show          on
      }
      Parameter {
        Variable      "i_init"
        Value         "20"
        Show          off
      }
    }
    Component {
      Type          Capacitor
      Name          "C1"
      Show          off
      Position      [330, 170]
      Direction     down
      Flipped       on
      Parameter {
        Variable      "C"
        Value         "2000e-6"
        Show          on
      }
      Parameter {
        Variable      "v_init"
        Value         "0"
        Show          off
      }
    }
    Component {
      Type          Resistor
      Name          "R_Load"
      Show          on
      Position      [420, 165]
      Direction     up
      Flipped       off
      Parameter {
        Variable      "R"
        Value         "3"
        Show          off
      }
    }
    Component {
      Type          Voltmeter
      Name          "Vo"
      Show          on
      Position      [375, 170]
      Direction     up
      Flipped       off
    }
    Component {
      Type          Subsystem
      Name          "PWM"
      Show          on
      Position      [265, 275]
      Direction     up
      Flipped       off
      Frame         [-20, -20; 20, 20]
      LabelPosition [0, 23]
      LabelAlign    up
      SampleTime    "-1"
      CodeGenTarget "Generic"
      MaskIconFrame on
      MaskIconOpaque off
      MaskIconRotates on
      Terminal {
        Type          Output
        Position      [24, 0]
        Direction     right
      }
      Terminal {
        Type          Input
        Position      [-20, 0]
        Direction     left
      }
      Schematic {
        Location      [860, 512; 1070, 683]
        ZoomFactor    1
        SliderPosition [0, 0]
        ShowBrowser   off
        BrowserWidth  100
        Component {
          Type          RelationalOperator
          Name          "Relational\nOperator"
          Show          on
          Position      [130, 70]
          Direction     right
          Flipped       off
          Parameter {
            Variable      "Operator"
            Value         "6"
            Show          off
          }
        }
        Component {
          Type          TriangleGenerator
          Name          "Triangular Wave"
          Show          on
          Position      [70, 105]
          Direction     right
          Flipped       off
          Parameter {
            Variable      "Min"
            Value         "0"
            Show          off
          }
          Parameter {
            Variable      "Max"
            Value         "1"
            Show          off
          }
          Parameter {
            Variable      "f"
            Value         "100e3"
            Show          off
          }
          Parameter {
            Variable      "DutyCycle"
            Value         "0.5"
            Show          off
          }
          Parameter {
            Variable      "Delay"
            Value         "0"
            Show          off
          }
        }
        Component {
          Type          Output
          Name          "s"
          Show          on
          Position      [180, 70]
          Direction     right
          Flipped       off
          Parameter {
            Variable      "Index"
            Value         "1"
            Show          on
          }
          Parameter {
            Variable      "Width"
            Value         "-1"
            Show          off
          }
        }
        Component {
          Type          Input
          Name          "m"
          Show          on
          Position      [45, 65]
          Direction     right
          Flipped       off
          Parameter {
            Variable      "Index"
            Value         "2"
            Show          on
          }
          Parameter {
            Variable      "Width"
            Value         "-1"
            Show          off
          }
        }
        Connection {
          Type          Signal
          SrcComponent  "Relational\nOperator"
          SrcTerminal   3
          DstComponent  "s"
          DstTerminal   1
        }
        Connection {
          Type          Signal
          SrcComponent  "m"
          SrcTerminal   1
          DstComponent  "Relational\nOperator"
          DstTerminal   1
        }
        Connection {
          Type          Signal
          SrcComponent  "Triangular Wave"
          SrcTerminal   1
          Points        [95, 105; 95, 75]
          DstComponent  "Relational\nOperator"
          DstTerminal   2
        }
      }
    }
    Component {
      Type          MosfetWithDiode
      Name          "FET"
      Show          on
      Position      [205, 90]
      Direction     down
      Flipped       on
      Parameter {
        Variable      "Ron"
        Value         "0"
        Show          off
      }
      Parameter {
        Variable      "s_init"
        Value         "0"
        Show          off
      }
      Parameter {
        Variable      "thermal"
        Value         ""
        Show          off
      }
      Parameter {
        Variable      "T_init"
        Value         "0"
        Show          off
      }
    }
    Component {
      Type          Subsystem
      Name          "PID\nController1"
      Show          on
      Position      [185, 275]
      Direction     up
      Flipped       off
      Frame         [-25, -20; 25, 20]
      LabelPosition [0, 23]
      LabelAlign    up
      SampleTime    "-1"
      CodeGenTarget "Generic"
      MaskIconFrame on
      MaskIconOpaque off
      MaskIconRotates on
      Parameter {
        Variable      "fz"
        Prompt        "PD zero"
        Type          FreeText
        Value         "1.85e2"
        Show          off
        Tunable       off
        TabName       ""
      }
      Parameter {
        Variable      "fp"
        Prompt        "PD pole"
        Type          FreeText
        Value         "5.4e1"
        Show          off
        Tunable       off
        TabName       ""
      }
      Parameter {
        Variable      "Ki"
        Prompt        "PI zero"
        Type          FreeText
        Value         "3.16e3"
        Show          off
        Tunable       off
        TabName       ""
      }
      Terminal {
        Type          Input
        Position      [-25, 0]
        Direction     left
      }
      Terminal {
        Type          Output
        Position      [29, 0]
        Direction     right
      }
      Schematic {
        Location      [531, 413; 1053, 642]
        ZoomFactor    1
        SliderPosition [0, 0]
        ShowBrowser   off
        BrowserWidth  100
        Component {
          Type          Input
          Name          "Verr"
          Show          on
          Position      [35, 110]
          Direction     right
          Flipped       off
          Parameter {
            Variable      "Index"
            Value         "1"
            Show          on
          }
          Parameter {
            Variable      "Width"
            Value         "-1"
            Show          off
          }
        }
        Component {
          Type          Output
          Name          "m"
          Show          on
          Position      [485, 110]
          Direction     right
          Flipped       off
          Parameter {
            Variable      "Index"
            Value         "2"
            Show          on
          }
          Parameter {
            Variable      "Width"
            Value         "-1"
            Show          off
          }
        }
        Component {
          Type          Gain
          Name          "Gain"
          Show          on
          Position      [95, 110]
          Direction     right
          Flipped       off
          Parameter {
            Variable      "K"
            Value         "0.3"
            Show          off
          }
          Parameter {
            Variable      "Multiplication"
            Value         "1"
            Show          off
          }
        }
        Component {
          Type          TransferFunction
          Name          "Transfer Fcn"
          Show          on
          Position      [170, 110]
          Direction     right
          Flipped       off
          Frame         [-30, -15; 30, 15]
          LabelPosition [0, 18]
          LabelAlign    up
          Parameter {
            Variable      "Numerator"
            Value         "[1/(fz) 1]"
            Show          off
          }
          Parameter {
            Variable      "Denominator"
            Value         "[1/(fp) 1]"
            Show          off
          }
          Parameter {
            Variable      "X0"
            Value         "0"
            Show          off
          }
        }
        Component {
          Type          Integrator
          Name          "Integrator"
          Show          on
          Position      [325, 140]
          Direction     right
          Flipped       off
          Parameter {
            Variable      "ExternalReset"
            Value         "1"
            Show          off
          }
          Parameter {
            Variable      "InitialConditionSource"
            Value         "1"
            Show          off
          }
          Parameter {
            Variable      "x0"
            Value         "0.1"
            Show          off
          }
          Parameter {
            Variable      "ShowStatePort"
            Value         "1"
            Show          off
          }
          Parameter {
            Variable      "UpperLimit"
            Value         "inf"
            Show          off
          }
          Parameter {
            Variable      "LowerLimit"
            Value         "-inf"
            Show          off
          }
        }
        Component {
          Type          Gain
          Name          "Ki"
          Show          on
          Position      [265, 140]
          Direction     right
          Flipped       off
          Parameter {
            Variable      "K"
            Value         "Ki"
            Show          off
          }
          Parameter {
            Variable      "Multiplication"
            Value         "1"
            Show          off
          }
        }
        Component {
          Type          Sum
          Name          "Sum"
          Show          off
          Position      [365, 110]
          Direction     up
          Flipped       off
          Parameter {
            Variable      "IconShape"
            Value         "2"
            Show          off
          }
          Parameter {
            Variable      "Inputs"
            Value         "+|+"
            Show          off
          }
        }
        Component {
          Type          Saturation
          Name          "Saturation"
          Show          on
          Position      [425, 110]
          Direction     right
          Flipped       off
          Parameter {
            Variable      "UpperLimit"
            Value         "0.9"
            Show          off
          }
          Parameter {
            Variable      "LowerLimit"
            Value         "0.1"
            Show          off
          }
        }
        Connection {
          Type          Signal
          SrcComponent  "Gain"
          SrcTerminal   2
          DstComponent  "Transfer Fcn"
          DstTerminal   1
        }
        Connection {
          Type          Signal
          SrcComponent  "Ki"
          SrcTerminal   2
          DstComponent  "Integrator"
          DstTerminal   1
        }
        Connection {
          Type          Signal
          SrcComponent  "Integrator"
          SrcTerminal   2
          Points        [365, 140]
          DstComponent  "Sum"
          DstTerminal   3
        }
        Connection {
          Type          Signal
          SrcComponent  "Transfer Fcn"
          SrcTerminal   2
          Points        [225, 110]
          Branch {
            Points        [225, 140]
            DstComponent  "Ki"
            DstTerminal   1
          }
          Branch {
            Points        [225, 80; 365, 80]
            DstComponent  "Sum"
            DstTerminal   2
          }
        }
        Connection {
          Type          Signal
          SrcComponent  "Sum"
          SrcTerminal   1
          DstComponent  "Saturation"
          DstTerminal   1
        }
        Connection {
          Type          Signal
          SrcComponent  "Saturation"
          SrcTerminal   2
          DstComponent  "m"
          DstTerminal   1
        }
        Connection {
          Type          Signal
          SrcComponent  "Verr"
          SrcTerminal   1
          DstComponent  "Gain"
          DstTerminal   1
        }
      }
    }
    Connection {
      Type          Signal
      SrcComponent  "Vd"
      SrcTerminal   1
      DstComponent  "V"
      DstTerminal   3
    }
    Connection {
      Type          Wire
      SrcComponent  "V"
      SrcTerminal   2
      Points        [105, 215; 205, 215]
      Branch {
        Points        [330, 215]
        Branch {
          Points        [375, 215]
          Branch {
            Points        [420, 215]
            DstComponent  "R_Load"
            DstTerminal   2
          }
          Branch {
            DstComponent  "Vo"
            DstTerminal   2
          }
        }
        Branch {
          DstComponent  "C1"
          DstTerminal   2
        }
      }
      Branch {
        DstComponent  "D1"
        DstTerminal   1
      }
    }
    Connection {
      Type          Signal
      SrcComponent  "Sum"
      SrcTerminal   1
      DstComponent  "PID\nController1"
      DstTerminal   1
    }
    Connection {
      Type          Wire
      SrcComponent  "D1"
      SrcTerminal   2
      Points        [205, 120]
      Branch {
        DstComponent  "L1"
        DstTerminal   1
      }
      Branch {
        DstComponent  "FET"
        DstTerminal   2
      }
    }
    Connection {
      Type          Wire
      SrcComponent  "FET"
      SrcTerminal   1
      Points        [205, 35; 105, 35]
      DstComponent  "V"
      DstTerminal   1
    }
    Connection {
      Type          Wire
      SrcComponent  "C1"
      SrcTerminal   1
      Points        [330, 120]
      Branch {
        DstComponent  "L1"
        DstTerminal   2
      }
      Branch {
        Points        [375, 120]
        Branch {
          DstComponent  "Vo"
          DstTerminal   1
        }
        Branch {
          Points        [420, 120]
          DstComponent  "R_Load"
          DstTerminal   1
        }
      }
    }
    Connection {
      Type          Signal
      SrcComponent  "PID\nController1"
      SrcTerminal   2
      DstComponent  "PWM"
      DstTerminal   2
    }
    Connection {
      Type          Signal
      SrcComponent  "Ref\nvolt"
      SrcTerminal   1
      DstComponent  "Sum"
      DstTerminal   2
    }
    Connection {
      Type          Signal
      SrcComponent  "PWM"
      SrcTerminal   1
      Points        [470, 275; 470, 90]
      DstComponent  "FET"
      DstTerminal   3
    }
    Connection {
      Type          Signal
      SrcComponent  "Vo"
      SrcTerminal   3
      Points        [390, 335; 115, 335]
      DstComponent  "Sum"
      DstTerminal   3
    }
  }
}