Scicos Block
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Backlash

Contents

• Backlash
  • Palette
  • Description
  • Dialog box
  • Default properties
  • Interfacing function
  • Computational function
  • Authors

Palette

• Others - Others palette

Description

The Backlash block implements a system in which a change in input causes an equal change in the output. However, when the input changes direction, an initial change in input has no effect on the output. The amount of side-to-side play in the system is referred to as the dead-band or gap.

Dialog box

• initial output
  The initial output value.
  Properties : Type 'vec' of size 1

• gap
  The width of the dead-band.
  Properties : Type 'vec' of size 1

• use zero-crossing
  Select to enable use of zero crossing detection to detect engagement with lower and upper thresholds.
  Properties : Type 'vec' of size 1

Default properties

• always active: no
• direct-feedthrough: yes
• zero-crossing: yes
• mode: no
• regular inputs:
  - port 1 : size [1,1] / type 1
  
• regular outputs:
  - port 1 : size [1,1] / type 1
  
• number/sizes of activation inputs: 0
• number/sizes of activation outputs: 0
• continuous-time state: no
• discrete-time state: no
• object discrete-time state: no
• name of computational function: backlash

Interfacing function

• SCI/macros/scicos_blocks/Misc/BACKLASH.sci [view code]

Computational function

• SCI/routines/scicos/backlash.c (Type 4) [view code]

Authors

Ramine Nikoukhah INRIA