.IndustrialControlSystems.Logical.LogicalOperations.Examples.basicLogicOperations

Information

Description

In this examples are tested the basic logic operations.
Depending on the value of the sampling time Ts the behaviour of the logic blocks may vary. In the following figure the output of two different NOT operators are compared. The blue line is the input signal while the green one is the output of a NOT with Ts = 0.15 and the red one the output of a NOT with Ts = 0 (thus continuous time).



To note that the red line is exactly the NOT of the input, while the green one is approximately the NOT of the input. This is due to the time discretisation.

This is the output of the AND operation, where the blue lines are the four inputs while the red one is the output

Even in this case small delays are introduced by the time discretisation.

Revisions

First release of the Industrial Control Systems: April-May 2012
List of revisions:

Main Authors:
Marco Bonvini; <bonvini@elet.polimi.it>
Alberto Leva <leva@elet.polimi.it>
Politecnico di Milano
Dipartimento di Elettronica e Informazione
Via Ponzio 34/5
20133 Milano - ITALIA -
Copyright:
Copyright © 2010-2012, Marco Bonvini and Alberto Leva.
The IndustrialControlSystems package is free software; it can be redistributed and/or modified under the terms of the Modelica license, see the license conditions and the accompanying disclaimer in the documentation of package Modelica in file "Modelica/package.mo".

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