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Справка Scilab >> Xcos > palettes > Sources palette > RAMP

RAMP

Ramp

Block Screenshot

Description

The Ramp block generates a signal that starts at a specified Start Time and Initial Value and increases by a specified rate (Slope parameter). The output signal is defined by the following equation:

where t0 is the Start Time, s0 the Initial Value and k the Slope.

Data types

  • Output: scalar double.

Dialog box

  • Slope

    Scalar. The rate of change of the generated signal.

    Properties : Type 'vec' of size 1.

  • Start Time

    Scalar. The time at which the signal begins to increase.

    Properties : Type 'vec' of size 1.

  • Initial Value

    Scalar. The initial value of the signal.

    Properties : Type 'vec' of size 1.

Default properties

  • always active: yes

  • direct-feedthrough: no

  • zero-crossing: yes

  • mode: yes

  • 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: ramp

Example

This diagram shows the use of RAMP block to obtain the response to a ramp signal of a first order's system defined by a transfer function.

Interfacing function

  • SCI/modules/scicos_blocks/macros/Sources/RAMP.sci

Computational function

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

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Last updated:
Thu Oct 02 14:01:16 CEST 2014