Scicos Block
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##
Variable delay

### Contents

- Variable delay
  - Palette
  - Description
  - Dialog box
  - Default properties
  - Interfacing function
  - Computational function
  - Authors

### Palette

- Linear - Linear palette

### Description

The Variable Transport Delay block can be used to simulate a variable time delay. The block might be used to model a system with a pipe where the speed of a motor pumping fluid in the pipe is variable. The block accepts two inputs: the first input is the signal that passes through the block; the second input is the time delay.

### Dialog box

- Max delay
  It defines the largest value the time delay input can have.The value cannot be negative.
  Properties : Type 'vec' of size 1.

- initial input
  The output generated by the block until the simulation time first exceeds the time delay input.
  Properties : Type 'vec' of size 1.

- Buffer size
  The number of points the block can store.
  Properties : Type 'vec' of size 1.

### Default properties

- always active: yes
- direct-feedthrough: no
- zero-crossing: no
- mode: no
- regular inputs:
  - port 1 : size [1,1] / type 1
  - port 2 : 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: variable_delay

### Interfacing function

- SCI/macros/scicos_blocks/Linear/VARIABLE_DELAY.sci [view code]

### Computational function

- SCI/routines/scicos/variable_delay.c (Type 4) [view code]

### Authors

Ramine Nikoukhah INRIA