Piecewise-linear function#

The Piecewise linear function block creates a piecewise linear function based on an array of n+ 1 values y(t) (1):

(1)#\[ y=\frac{y_{i+1}-y_i}{t_{i+1}-t_i}∆t+y_i, если ~ t_i>t>t_{i+1} \]

\[ y=y_0,\ \ если ~ t≤t_0 \]

\[ y=y_n,\ \ если ~ t≥t_0 \]

1. Properties#

Property	Default value	Description	Units of measurement
Vector of time arguments	0; 0.25; 0.5; 0.75	Time arguments vector	s
Vector of function values	1; 0; 2; 1	Values	-
Periodicity	On	-	-
Sampling type: Fundamental project frequency decimation; Sample time; Sampling frequency	Fundamental project frequency decimation	-	-
Decimation factor of project fundamental discretization frequency, available when selecting `Sampling type` - `Fundamental project frequency decimation`	1	-	-
Sample time, available when selecting `Sampling type` - `Sample time`	0.05	-	s
Sampling frequency, available when selecting `Sampling type` - `Sampling frequency`	20.0	-	Hz

Parameters	input/output	Description	Units of measurement	Port type
Output	Output	Signal	-	Automation

In order to see the connection capabilities of the block, you need to go to page Description of block ports

Important

Block supports C source code generation

Examples of using this block can be found in the following sections:

Tutorials

Library	Tutorial name
`Thermohydraulics`	Plotting of pump pressure characteristic

How-to guides

Section	Guide name
Energy	Development of a model of the industrial circuit system of oil coolers of NPP with WCWR