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STEP_FUNCTION

Step Function

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Contents

Description

In its simpler use this block output a step signal between two definable levels Initial Value and Final Value starting at a specified time Step Time.

The step function is defined by the following equation:

where t0 is the Start Time, s0 the Initial Value and sf the Final Value.

You can also specify vector or matrice values, for the parameters Initial Value and Final Value. The parameters are expanded to column vectors. and in this case, you obtain multiples output that start at the same Step Time.

The table below shows different combinations

Initial value size Final value size Output size Condition
1 × 1 1 × 1 1 × 1
1 × 1 1 × N 1 × 1
1 × N L × M N × 1 N = L × M
L × M 1 × N N × 1 N = L × M
1 × N L × M N × 1 N = L × M

Data types

Parameters

Default properties

Examples

Example 1

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

Example 2

This diagram shows the use of STEP_FUNCTION to obtain four step signals.

Interfacing function

See also


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