source: trunk/Block-Oriented EML/Basic Blocks/Pulse.mso @ 998

#*-------------------------------------------------------------------
* EMSO Model Library (EML) Copyright (C) 2004 - 2007 ALSOC.
*
* This LIBRARY is free software; you can distribute it and/or modify
* it under the therms of the ALSOC FREE LICENSE as available at
* http://www.enq.ufrgs.br/alsoc.
*
* EMSO is distributed under the terms of the ALSOC LICENSE as
* available at http://www.enq.ufrgs.br/alsoc.
*-----------------------------------------------------------------------
* Author: Jonathan Ospino P.
* $Id: Pulse.mso  2012$
*---------------------------------------------------------------------*#

using "types";
 
Model Pulse
        
        ATTRIBUTES

        Pallete=true;
        Icon="icon/Pulse2";
        Info="== Pulse signal source ==";

        
        PARAMETERS

        Start_Time as time_sec(Brief="Start time of the pulse",Default=0);
        Magnitude as Real(Brief="Pulse magnitude",Default=1);
        Duration as time_sec(Brief="Pulse duration",Default=1);

        
        VARIABLES

        out Out as Real(Brief="Output of the ramp block",Protected=true,PosX=1,PosY=0.5);

        
        EQUATIONS
        
        if time>=(Start_Time+Duration) then
                Out=0;
        else
                if time<Start_Time then
                        Out=0;
                else
                        Out=Magnitude;
                end
        end
                
end