Scicos Block
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Non-ideal electrical switch

Contents

• Non-ideal electrical switch
  • Palette
  • Description
  • Dialog box
  • Default properties
  • Interfacing function
  • Modelica model
  • Authors

Palette

• Electrical.cosf - Electrical toolbox

Description

This is a non-ideal two-pole switch. If the explicit input become positive, two pins are connected via a resistor of resistance RON). Otherwise, two pins are connected via ROFF resistance. Note that using this block may result in a stiff model, so try to choose proper error tolerances.

Dialog box

• Resistance in On state (Ohm)
  Switch resistance when the Switch is closed
  Properties : Type 'vec' of size 1.

• Resistance in Off state (Ohm)
  Switch resistance when the switch is open
  Properties : Type 'vec' of size 1.

Default properties

• Inputs :
  • Modelica variable name : 'p'
    Implicit variable.

  • Modelica variable name : 'inp'
    Explicit variable.

• Outputs :
  • Modelica variable name : 'n'
    Implicit variable.

• Parameters :
  • Modelica parameter name : 'Ron'
    Default value : 0.01
    Is a state variable : no.

  • Modelica parameter name : 'Roff'
    Default value : 100000
    Is a state variable : no.

• File name of the model : Switch

Interfacing function

• SCI/macros/scicos_blocks/ModElectrical/Switch.sci [view code]

Modelica model

• SCI/macros/scicos_blocks/ModElectrical/Electrical.mo [view code]

Authors

Masoud Najafi INRIA