jsbsim.js/JSBSim/aircraft/ZLT-NT/Systems/air-and-gas-control.xml

JSBSim flight dynamics model ported to JavaScript

<?xml version="1.0"?>
<!-- $Id: air-and-gas-control.xml,v 1.1 2010/04/02 22:18:37 andgi Exp $ -->
<!--

  ZLT NT-07 airship flight model for JSBSim.

    Copyright (C) 2008 - 2010  Anders Gidenstam  (anders(at)gidenstam.org)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
  
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
  
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  
-->
<system name="air-and-gas-control-jsbsim">

 <!--
 === Ballonet control system ===============================================
 -->

 <!-- Interface properties -->
 <property>fcs/ballonet-inflation-cmd-norm[0]</property>
 <property>fcs/ballonet-inflation-cmd-norm[1]</property>

 <documentation>
  Range [-1, 1].
  Positive values maps to blower inflow percentage and
  negative values maps to valve open percentage.
 </documentation>

 <channel name="Ballonet control">

  <fcs_function name="fcs/blower-cmd-norm[0]">
   <function>
    <max>
     <value> 0.0 </value>
     <property> fcs/ballonet-inflation-cmd-norm[0] </property>
    </max>
   </function>
   <output>buoyant_forces/gas-cell/ballonet[0]/blower-cmd-norm</output>
  </fcs_function>
  <fcs_function name="fcs/valve-cmd-norm[0]">
   <function>
    <product>
     <value> -1.0 </value>
     <min>
      <value> 0.0 </value>
      <property> fcs/ballonet-inflation-cmd-norm[0] </property>
     </min>
    </product>
   </function>
   <output> buoyant_forces/gas-cell/ballonet[0]/valve_open </output>
  </fcs_function>

  <fcs_function name="fcs/blower-cmd-norm[1]">
   <function>
    <max>
     <value> 0.0 </value>
     <property> fcs/ballonet-inflation-cmd-norm[1] </property>
    </max>
   </function>
   <output>buoyant_forces/gas-cell/ballonet[1]/blower-cmd-norm</output>
  </fcs_function>
  <fcs_function name="fcs/valve-cmd-norm[1]">
   <function>
    <product>
     <value> -1.0 </value>
     <min>
      <value> 0.0 </value>
      <property> fcs/ballonet-inflation-cmd-norm[1] </property>
     </min>
    </product>
   </function>
   <output> buoyant_forces/gas-cell/ballonet[1]/valve_open </output>
  </fcs_function>

 </channel>

</system>