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<div style="text-align: center;">
<div style="text-align: left; font-family: Verdana;">
<h2>Engine Editor</h2>
</div>
<img src="pics/ENG-Editor.PNG" style="width: 524px; height: 449px;" alt="eng" usemap="#linkmap"><br>
<span style="font-family: Verdana;"><br>
<br>
</span>
<div style="text-align: left;"><img src="../pics/icons/blue-document-icon.png" style="width: 16px; height: 16px;" alt="new"><span style="font-weight: bold;"><a name="new"></a>New
file</span><br>
<div style="margin-left: 40px;">Create a new empty .veng
file<br>
</div>
<br><br>
<img src="../pics/icons/Open-icon.png" style="width: 16px; height: 16px;" alt="open"><span style="font-weight: bold;"><a name="open"></a>Open
existing file</span><br>
<div style="margin-left: 40px;">Open an existing .veng
file<br>
</div>
<span style="font-family: Verdana;"></span><br><br>
<span style="font-family: Verdana;"></span><img src="../pics/icons/Actions-document-save-icon.png" style="width: 16px; height: 16px;" alt="save"><a name="save"></a> <span style="font-weight: bold;">Save
current file</span><br>
<span style="font-family: Verdana;"></span><br><br>
<span style="font-family: Verdana;"></span><img src="../pics/icons/Actions-document-save-as-icon.png" style="width: 16px; height: 16px;" alt="SaveAs"><a name="saveas"></a> <span style="font-weight: bold;">Save
file as...</span><br>
<span style="font-family: Verdana;"></span><br><br>
<span style="font-family: Verdana;"></span><img src="../pics/icons/export-icon.png" style="width: 16px; height: 16px;" alt="sendto"><a name="sendto"></a> <span style="font-weight: bold;">Send
current file to the <a href="VECTO-Editor.html">VECTO
Editor</a></span><br>
<div style="margin-left: 40px;"><span style="font-weight: bold;">Note:</span> If the current
file was opened via the <a href="VECTO-Editor.html">VECTO
Editor</a> the file will be sent automatically when saved.<br>
</div>
<span style="font-family: Verdana;"></span><br><br>
<span style="font-family: Verdana;"></span><span style="font-weight: bold;"><a name="make"></a>Make
and Model</span><br>
<div style="margin-left: 40px;">Free text defining the engine model, type, etc.<br>
</div>
<span style="font-family: Verdana;"></span><br><br>
<span style="font-family: Verdana;"></span><a name="power"></a><span style="font-weight: bold;">Rated
Engine Power</span> [kW]<br>
<br><br>
<a name="ccm"></a><span style="font-weight: bold;">Displacement</span>
[ccm]<br>
<div style="margin-left: 40px;"><span style="font-family: Verdana;"></span>Not used in the current version (in future planned to be used for calculation of rotational inertia)</div><br>
<span style="font-family: Verdana;"></span><a name="inertia"></a><span style="font-weight: bold;">Inertia including Flywheel</span> [kgm<sup>2</sup>]<br><div style="margin-left: 40px;">Inertia for rotating parts including engine flywheel<span style="font-family: Verdana;"></span><br></div><br>
<span style="font-family: Verdana;"></span><a name="nidle"></a><span style="font-weight: bold;">Idling Engine Speed</span> [rpm]<br>
<div style="margin-left: 40px;">Low idle, applied in simulation for vehicle standstill in neutral gear position.<br></div><br>
<a name="nrated"></a><span style="font-weight: bold;">Rated Engine Speed</span>
[rpm]<br>
<br><br>
<a name="fld"></a><span style="font-weight: bold;">Full Load and Drag Curves</span>
(.vfld)<br>
<div style="margin-left: 40px;">Stationary full load curve described as a function of engine speed by <span style="font-weight: bold;">Max. Torque</span> (column 2). Engine <span style="font-weight: bold;">Motoring Torque</span> is described in column 3. Transient effects on full-load torque built up are considered by a PT1 approach. The related <span style="font-weight: bold;">PT1 time constant</span> is considered in the model as a function of engine speed and has to be specified in column 4. <br><br>Different .vfld files can be assigned to each gear or range of gears. See "Add gears" below.<br></div><br>
<div style="margin-left: 40px;"><span style="font-weight: bold;">Format</span>
(comma-separated, dot = decimal-mark):
</div>
</div>
<table style="background-color: white; height: 115px; width: 637px; text-align: left; margin-right: auto; margin-left: 40px;" border="1" cellpadding="2" cellspacing="1">
<tbody>
<tr>
<th style="text-align: center; width: 148px;"><span style="color: rgb(51, 102, 255);">c </span>Engine
Speed</th>
<th style="text-align: center; width: 156px;">Max.
Torque<br>(Static full load)</th>
<th style="text-align: center; width: 149px;">Motoring Torque</th>
<td style="width: 149px; text-align: center;"><span style="font-weight: bold;">PT1 time constant</span></td>
</tr>
<tr>
<td style="text-align: center; width: 148px;"><span style="color: rgb(51, 102, 255);"><span style="font-weight: bold;">c</span> </span>[rpm]</td>
<td style="text-align: center; width: 156px;">[Nm]</td>
<td style="text-align: center; width: 149px;">[Nm]</td>
<td style="width: 149px; text-align: center;">[s]</td>
</tr>
<tr>
<td style="width: 148px;">...</td>
<td style="width: 156px;">...</td>
<td style="width: 149px;">...</td>
<td style="width: 149px;">...</td>
</tr>
<tr>
<td style="width: 148px;">...</td>
<td style="width: 156px;">...</td>
<td style="width: 149px;">...</td>
<td style="width: 149px;">...</td>
</tr>
</tbody>
</table>
<div style="text-align: left;">
<div style="margin-left: 40px;"><span style="font-weight: bold; font-style: italic; color: rgb(51, 102, 255);">Note:</span><span style="font-style: italic; color: rgb(51, 102, 255);"> text
lines (header, comments,
etc.) </span><span style="text-decoration: underline; font-style: italic; color: rgb(51, 102, 255);">must</span><span style="font-style: italic; color: rgb(51, 102, 255);"> start
with "<span style="font-weight: bold;">c</span> "</span><br>
</div>
<br><div style="margin-left: 40px;">The PT1 approach to calculate the dynamic full load is applied using this formula:<br><img style="width: 555px; height: 65px;" alt="" src="pics/ENG-PT1.png"><br>with:<br><div style="margin-left: 40px;">n<sub>i</sub> = current engine speed<br>T(n<sub>i</sub>) = PT1 time constant at engine speed n<sub>i</sub> (col. 4 in .vfld file)<br>P_fld_stat(n<sub>i</sub>) = Static full load at engine speed n<sub>i</sub> (col. 2 in .vfld file)<br>P_act<sub>i-1</sub> = Engine power in previous time stet</div><br></div><br>
<a name="map"></a><span style="font-weight: bold;">Fuel Consumption Map</span>
(.vmap)<br>
<div style="margin-left: 40px;">Fuel Consumption Map measured in stationary conditions.<br>The following rules apply:<br><ul><li>The map must cover the full engine range between full load and motoring curve. <span style="font-weight: bold; color: red;">Extrapolation is not possible and will abort the calculation!</span></li><li>At least four points are required.</li></ul></div><br>
<div style="margin-left: 40px;"><span style="font-weight: bold;">Format</span>
(comma-separated, dot = decimal-mark):
</div>
</div>
<table style="background-color: white; height: 115px; width: 523px; text-align: left; margin-right: auto; margin-left: 40px;" border="1" cellpadding="2" cellspacing="1">
<tbody>
<tr>
<th style="text-align: center; width: 158px;"><span style="color: rgb(51, 102, 255);">c </span>Engine
Speed</th>
<th style="text-align: center; width: 150px;">Torque</th>
<th style="text-align: center; width: 151px;">Fuel
Consumption</th>
</tr>
<tr>
<td style="text-align: center; width: 158px;"><span style="color: rgb(51, 102, 255);"><span style="font-weight: bold;">c</span> </span>[rpm]</td>
<td style="text-align: center; width: 150px;">[Nm]</td>
<td style="text-align: center; width: 151px;">[g/h]</td>
</tr>
<tr>
<td style="width: 158px;">...</td>
<td style="width: 150px;">...</td>
<td style="width: 151px;">...</td></tr>
<tr>
<td style="width: 158px;">...</td>
<td style="width: 150px;">...</td>
<td style="width: 151px;">...</td>
</tr>
</tbody>
</table>
<div style="text-align: left;">
<div style="margin-left: 40px;"><span style="font-weight: bold; font-style: italic; color: rgb(51, 102, 255);">Note:</span><span style="font-style: italic; color: rgb(51, 102, 255);"> text
lines (header, comments,
etc.) </span><span style="text-decoration: underline; font-style: italic; color: rgb(51, 102, 255);">must</span><span style="font-style: italic; color: rgb(51, 102, 255);"> start
with "<span style="font-weight: bold;">c</span> "</span><br><h2>Fuel Map Interpolation</h2>The interpolation is based on <a href="http://en.wikipedia.org/wiki/Delaunay_triangulation">Delaunay Triangulation </a><a href="http://en.wikipedia.org/wiki/Delaunay_triangulation"><img style="border: 0px solid ; width: 12px; height: 12px;" alt="" src="../pics/misc/external-icon%2012x12.png"></a> and works as follows:<br><ol><li>Triangulate
the given rpm/torque/fuel points (= x,y,z) to create a
network of triangles with each point of the map being part of at least
one triangle.</li><li>Find the triangle where the to-be-interpolated
load point (x,y) is inside. If no triangle meets the criterion the
calculation will be aborted.</li><li>Calculate the z-value (= fuel) of the given x,y-point in the plane of the triangle</li></ol>
</div>
<br><br>
<a name="cal"></a><span style="font-weight: bold;">Calibration Test Cycle</span><br>
<div style="margin-left: 40px;">Not implemented yet (planned: import of
transient calibration test cycle and model internal calculation of
correction factor(s) to be applied to stationary fuel consumption map.<br>
</div>
<br><img style="width: 28px; height: 21px;" alt="" src="../pics/misc/browse.png"> <span style="font-weight: bold;">Open file browser</span>.<br><br><img style="width: 22px; height: 22px;" alt="" src="../pics/misc/OpenFile.PNG"> <span style="font-weight: bold;">Open file</span> with <a href="../../GRAPHi/documentation/HTML%20Manual/mainwindow.html">GRAPHi</a> or an user-defined tool (see <a href="settings.html#opencmd">File Open Command)</a>.<br><br>
<img src="../pics/misc/OK.png" style="width: 75px; height: 23px;" alt="OK"><a name="ok"></a><span style="font-weight: bold;">Save
and close file</span><br>
<div style="margin-left: 40px;">If necessary the file path
in the <a href="VECTO-Editor.html">VECTO Editor</a>
will be updated.<br>
</div>
<br><br>
<img src="../pics/misc/Cancel.png" style="width: 75px; height: 23px;" alt="Cancel"><a name="cancel"></a><span style="font-weight: bold;">
Cancel without saving</span><br>
<span style="font-weight: bold;"></span></div>
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