Scicos Block
fr - eng

##
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 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