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Manuel Scilab >> xcos > palettes > Discontinuities palette > BACKLASH

BACKLASH

Backlash

Block Screenshot

Description

The Backlash block implements a system in which a change in input causes an equal change in 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 .

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

Computational function

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

Authors

Ramine Nikoukhah - INRIA

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Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Wed Jan 26 16:24:17 CET 2011