1 | #*------------------------------------------------------------------- |
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2 | * EMSO Model Library (EML) Copyright (C) 2004 - 2007 ALSOC. |
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3 | * |
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4 | * This LIBRARY is free software; you can distribute it and/or modify |
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5 | * it under the therms of the ALSOC FREE LICENSE as available at |
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6 | * http://www.enq.ufrgs.br/alsoc. |
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7 | * |
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8 | * EMSO is distributed under the terms of the ALSOC LICENSE as |
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9 | * available at http://www.enq.ufrgs.br/alsoc. |
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10 | *----------------------------------------------------------------------- |
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11 | * Author: Jonathan Ospino P. |
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12 | * $Id: FirstOrderDynamics.mso 2012$ |
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13 | *---------------------------------------------------------------------*# |
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14 | |
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15 | using "types"; |
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16 | |
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17 | Model FOD |
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18 | |
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19 | ATTRIBUTES |
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20 | Pallete=true; |
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21 | Icon="icon/FOD"; |
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22 | Info="== First-Order Dynamics== |
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23 | |
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24 | It takes an input variable and computes |
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25 | the respective value of the output variable according |
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26 | to a First-Order Dynamics (FOD)."; |
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27 | |
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28 | PARAMETERS |
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29 | |
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30 | K as Real(Brief="Steady-state gain"); |
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31 | Tau as time_sec(Brief="Time constant"); |
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32 | |
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33 | |
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34 | VARIABLES |
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35 | in In as Real(Brief="Input variable",Protected=true,PosX=0,PosY=0.5); |
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36 | out Out as Real(Brief="Output variable",Protected=true,PosX=1,PosY=0.5); |
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37 | |
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38 | EQUATIONS |
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39 | "First-Order Dynamics (FOD)" |
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40 | Tau*diff(Out)+Out=K*In; |
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41 | |
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42 | INITIAL |
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43 | Out=0; |
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44 | |
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45 | end |
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46 | |
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47 | Model FOD2 |
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48 | |
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49 | ATTRIBUTES |
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50 | Pallete=true; |
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51 | Icon="icon/FOD"; |
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52 | Info="== First-Order Dynamics== |
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53 | |
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54 | It takes an input variable and computes |
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55 | the respective value of the output variable according |
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56 | to a First-Order Dynamics (FOD)."; |
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57 | |
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58 | PARAMETERS |
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59 | |
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60 | K as Real(Brief="Steady-state gain"); |
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61 | Tau as time_sec(Brief="Time constant"); |
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62 | |
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63 | |
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64 | VARIABLES |
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65 | in In as Real(Brief="Input variable",Protected=true,PosX=1,PosY=0.5); |
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66 | out Out as Real(Brief="Output variable",Protected=true,PosX=0,PosY=0.5); |
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67 | |
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68 | EQUATIONS |
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69 | "First-Order Dynamics (FOD)" |
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70 | Tau*diff(Out)+Out=K*In; |
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71 | |
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72 | INITIAL |
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73 | Out=0; |
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74 | |
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75 | end |
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