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Справка Scilab >> Xcos > palettes > Discontinuities palette > BACKLASH

BACKLASH

Backlash

Block Screenshot

Description

The block Backlash allows the representation of a system presenting a mechanical play like system of gearings. When the input increases (decreases), changes of the input of the block Backlash give equal changes of its output. When the input changes direction, the system is disengaged during a short moment (the play is called deadband or gap). Therefor, at the initial moment of the change, the input has no effect and the output remains constant. Then, changes of the input give equal changes on the output up to the next change of direction of the input.

Parameters

  • 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/modules/scicos_blocks/macros/Misc/BACKLASH.sci

Computational function

  • SCI/modules/scicos_blocks/src/c/backlash.c (Type 4)

Example

Report an issue
<< discontinuities_pal Discontinuities palette DEADBAND >>

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Last updated:
Tue Feb 25 08:54:59 CET 2020