Aircraft/tu154b/Systems/engines.xml

   1 <?xml version="1.0"?>
   2 <!--
   3
   4     Author:   Yurik V. Nikiforoff, yurik@megasignal.com
   5     Date:     24 aug 2008
   6     Function: JSBSim engines support fot TU-154B
   7
   8     -->
   9
  10
  11 <system name="Engines">
  12
  13   <property>propulsion/engine[0]/egt-degc</property>
  14   <property>propulsion/engine[1]/egt-degc</property>
  15   <property>propulsion/engine[2]/egt-degc</property>
  16
  17   <property>propulsion/engine[0]/egt-power</property>
  18   <property>propulsion/engine[0]/egt-check</property>
  19
  20   <property>propulsion/engine[1]/egt-power</property>
  21   <property>propulsion/engine[1]/egt-check</property>
  22
  23   <property>propulsion/engine[2]/egt-power</property>
  24   <property>propulsion/engine[2]/egt-check</property>
  25
  26   <property>fcs/at-throttle-cmd-norm[0]</property>
  27   <property>fcs/at-throttle-cmd-norm[1]</property>
  28   <property>fcs/at-throttle-cmd-norm[2]</property>
  29
  30   <property>systems/engine-control-lamps</property>
  31
  32   <channel name="Engine_1">
  33     <!--Fuel limiter-->
  34     <summer name="propulsion/engine[0]/thr-delta">
  35       <input>propulsion/engine[0]/thrust-lbs</input>
  36       <bias>-22472</bias>
  37       <clipto>
  38         <min>0.0</min>
  39         <max>100000.0</max>
  40       </clipto>
  41     </summer>
  42
  43     <pid name="propulsion/engine[0]/thr-pid">
  44       <input>propulsion/engine[0]/thr-delta</input>
  45       <kp> 0.00006 </kp>
  46       <ki> 0.0 </ki>
  47       <kd> 0.0 </kd>
  48     </pid>
  49
  50     <summer name="propulsion/engine[0]/thr">
  51       <input>fcs/at-throttle-cmd-norm[0]</input>
  52       <input>-propulsion/engine[0]/thr-pid</input>
  53       <output>fcs/throttle-pos-norm[0]</output>
  54     </summer>
  55    <!--end fuel limiter-->
  56
  57    <!--RNA emulator-->
  58    <switch name="propulsion/engine[0]/n1-rna-gain">
  59       <default value="1.0"/>
  60       <test value="0.94">
  61         propulsion/engine[0]/n1 lt 43.0
  62       </test>
  63    </switch>
  64
  65    <pure_gain name="propulsion/engine[0]/n1-rna">
  66       <input>propulsion/engine[0]/n1</input>
  67       <gain>propulsion/engine[0]/n1-rna-gain</gain>
  68    </pure_gain>
  69
  70    <lag_filter name="propulsion/engine[0]/n1-rna-filtered">
  71       <input>propulsion/engine[0]/n1-rna</input>
  72       <c1>1.0</c1>
  73    </lag_filter>
  74
  75    <switch name="propulsion/engine[0]/rna-lamp">
  76      <default value="0.0"/>
  77      <test value="systems/electrical-ok">
  78        systems/engine-control-lamps == 1
  79      </test>
  80      <test value="systems/electrical-ok">
  81        propulsion/engine[0]/n1-rna-gain lt 0.95
  82      </test>
  83    </switch>
  84
  85    <!--End RNA emulator-->
  86     <!--Bypass valve emulator-->
  87     <switch name="propulsion/engine[0]/bypass-valve">
  88       <default value="1.0"/>
  89       <test value="0.0">
  90         propulsion/engine[0]/n2 gt 74.5
  91       </test>
  92     </switch>
  93     <switch name="propulsion/engine[0]/bypass-switched">
  94       <default value="0.0"/>
  95       <test value="systems/electrical-ok">
  96         systems/engine-control-lamps == 1
  97       </test>
  98       <test value="propulsion/engine[0]/bypass-valve">
  99         systems/electrical-ok == 1
 100       </test>
 101     </switch>
 102     <!--End bypass valve emulator-->
 103     <!--EGT emulator-->
 104
 105     <switch name="propulsion/engine[0]/egt-powered">
 106       <default value="0.0"/>
 107       <test value="systems/electrical-ok">
 108         propulsion/engine[0]/egt-power == 1
 109       </test>
 110     </switch>
 111
 112     <switch name="propulsion/engine[0]/egt-checked">
 113       <default value="propulsion/engine[0]/egt-degc"/>
 114       <test value="150.0">
 115         propulsion/engine[0]/egt-check == 1
 116       </test>
 117     </switch>
 118
 119     <switch name="propulsion/engine[0]/egt-checked-powered">
 120       <default value="0.0"/>
 121       <test value="propulsion/engine[0]/egt-checked">
 122         propulsion/engine[0]/egt-powered == 1
 123       </test>
 124     </switch>
 125
 126     <lag_filter name="propulsion/engine[0]/egt-filtered">
 127       <input>propulsion/engine[0]/egt-checked-powered</input>
 128       <c1>0.4</c1>
 129     </lag_filter>
 130
 131     <!--End EGT emulator-->
 132   </channel>
 133
 134   <channel name="Engine_2">
 135     <!--Fuel limiter-->
 136     <summer name="propulsion/engine[1]/thr-delta">
 137       <input>propulsion/engine[1]/thrust-lbs</input>
 138       <bias>-22472</bias>
 139       <clipto>
 140         <min>0.0</min>
 141         <max>100000.0</max>
 142       </clipto>
 143     </summer>
 144
 145     <pid name="propulsion/engine[1]/thr-pid">
 146       <input>propulsion/engine[1]/thr-delta</input>
 147       <kp> 0.00006 </kp>
 148       <ki> 0.0 </ki>
 149       <kd> 0.0 </kd>
 150     </pid>
 151
 152     <summer name="propulsion/engine[1]/thr">
 153       <input>fcs/at-throttle-cmd-norm[1]</input>
 154       <input>-propulsion/engine[1]/thr-pid</input>
 155       <output>fcs/throttle-pos-norm[1]</output>
 156     </summer>
 157     <!--end fuel limiter-->
 158
 159     <!--RNA emulator-->
 160     <switch name="propulsion/engine[1]/n1-rna-gain">
 161       <default value="1.0"/>
 162       <test value="0.94">
 163         propulsion/engine[1]/n1 lt 43.0
 164       </test>
 165     </switch>
 166
 167     <pure_gain name="propulsion/engine[1]/n1-rna">
 168       <input>propulsion/engine[1]/n1</input>
 169       <gain>propulsion/engine[1]/n1-rna-gain</gain>
 170     </pure_gain>
 171
 172     <lag_filter name="propulsion/engine[1]/n1-rna-filtered">
 173       <input>propulsion/engine[1]/n1-rna</input>
 174       <c1>1.0</c1>
 175     </lag_filter>
 176
 177     <switch name="propulsion/engine[1]/rna-lamp">
 178       <default value="0.0"/>
 179       <test value="systems/electrical-ok">
 180         systems/engine-control-lamps == 1
 181       </test>
 182       <test value="systems/electrical-ok">
 183         propulsion/engine[1]/n1-rna-gain lt 0.95
 184       </test>
 185     </switch>
 186
 187     <!--End RNA emulator-->
 188     <!--Bypass valve emulator-->
 189     <switch name="propulsion/engine[1]/bypass-valve">
 190       <default value="1.0"/>
 191       <test value="0.0">
 192         propulsion/engine[1]/n2 gt 74.5
 193       </test>
 194     </switch>
 195     <switch name="propulsion/engine[1]/bypass-switched">
 196       <default value="0.0"/>
 197       <test value="systems/electrical-ok">
 198         systems/engine-control-lamps == 1
 199       </test>
 200       <test value="propulsion/engine[1]/bypass-valve">
 201         systems/electrical-ok == 1
 202       </test>
 203     </switch>
 204     <!--End bypass valve emulator-->
 205     <!--EGT emulator-->
 206
 207     <switch name="propulsion/engine[1]/egt-powered">
 208       <default value="0.0"/>
 209       <test value="systems/electrical-ok">
 210         propulsion/engine[1]/egt-power == 1
 211       </test>
 212     </switch>
 213
 214     <switch name="propulsion/engine[1]/egt-checked">
 215       <default value="propulsion/engine[1]/egt-degc"/>
 216       <test value="150.0">
 217         propulsion/engine[1]/egt-check == 1
 218       </test>
 219     </switch>
 220
 221     <switch name="propulsion/engine[1]/egt-checked-powered">
 222       <default value="0.0"/>
 223       <test value="propulsion/engine[1]/egt-checked">
 224         propulsion/engine[1]/egt-powered == 1
 225       </test>
 226     </switch>
 227
 228     <lag_filter name="propulsion/engine[1]/egt-filtered">
 229       <input>propulsion/engine[1]/egt-checked-powered</input>
 230       <c1>0.4</c1>
 231     </lag_filter>
 232
 233     <!--End EGT emulator-->
 234
 235   </channel>
 236
 237   <channel name="Engine_3">
 238     <!--Fuel limiter-->
 239     <summer name="propulsion/engine[2]/thr-delta">
 240       <input>propulsion/engine[2]/thrust-lbs</input>
 241       <bias>-22472</bias>
 242       <clipto>
 243         <min>0.0</min>
 244         <max>100000.0</max>
 245       </clipto>
 246     </summer>
 247
 248     <pid name="propulsion/engine[2]/thr-pid">
 249       <input>propulsion/engine[2]/thr-delta</input>
 250       <kp> 0.00006 </kp>
 251       <ki> 0.0 </ki>
 252       <kd> 0.0 </kd>
 253     </pid>
 254
 255     <summer name="propulsion/engine[2]/thr">
 256       <input>fcs/at-throttle-cmd-norm[2]</input>
 257       <input>-propulsion/engine[2]/thr-pid</input>
 258       <output>fcs/throttle-pos-norm[2]</output>
 259     </summer>
 260     <!--end fuel limiter-->
 261     <!--RNA emulator-->
 262     <switch name="propulsion/engine[2]/n1-rna-gain">
 263       <default value="1.0"/>
 264       <test value="0.94">
 265         propulsion/engine[2]/n1 lt 43.0
 266       </test>
 267     </switch>
 268
 269     <pure_gain name="propulsion/engine[2]/n1-rna">
 270       <input>propulsion/engine[2]/n1</input>
 271       <gain>propulsion/engine[2]/n1-rna-gain</gain>
 272     </pure_gain>
 273
 274     <lag_filter name="propulsion/engine[2]/n1-rna-filtered">
 275       <input>propulsion/engine[2]/n1-rna</input>
 276       <c1>1.0</c1>
 277     </lag_filter>
 278
 279     <switch name="propulsion/engine[2]/rna-lamp">
 280       <default value="0.0"/>
 281       <test value="systems/electrical-ok">
 282         systems/engine-control-lamps == 1
 283       </test>
 284       <test value="systems/electrical-ok">
 285         propulsion/engine[2]/n1-rna-gain lt 0.95
 286       </test>
 287     </switch>
 288
 289     <!--End RNA emulator-->
 290     <!--Bypass valve emulator-->
 291     <switch name="propulsion/engine[2]/bypass-valve">
 292       <default value="1.0"/>
 293       <test value="0.0">
 294         propulsion/engine[2]/n2 gt 74.5
 295       </test>
 296     </switch>
 297     <switch name="propulsion/engine[2]/bypass-switched">
 298       <default value="0.0"/>
 299       <test value="systems/electrical-ok">
 300         systems/engine-control-lamps == 1
 301       </test>
 302       <test value="propulsion/engine[2]/bypass-valve">
 303         systems/electrical-ok == 1
 304       </test>
 305     </switch>
 306     <!--End bypass valve emulator-->
 307     <!--EGT emulator-->
 308
 309     <switch name="propulsion/engine[2]/egt-powered">
 310       <default value="0.0"/>
 311       <test value="systems/electrical-ok">
 312         propulsion/engine[2]/egt-power == 1
 313       </test>
 314     </switch>
 315
 316     <switch name="propulsion/engine[2]/egt-checked">
 317       <default value="propulsion/engine[2]/egt-degc"/>
 318       <test value="150.0">
 319         propulsion/engine[2]/egt-check == 1
 320       </test>
 321     </switch>
 322
 323     <switch name="propulsion/engine[2]/egt-checked-powered">
 324       <default value="0.0"/>
 325       <test value="propulsion/engine[2]/egt-checked">
 326         propulsion/engine[2]/egt-powered == 1
 327       </test>
 328     </switch>
 329
 330     <lag_filter name="propulsion/engine[2]/egt-filtered">
 331       <input>propulsion/engine[2]/egt-checked-powered</input>
 332       <c1>0.4</c1>
 333     </lag_filter>
 334
 335     <!--End EGT emulator-->
 336
 337   </channel>
 338
 339   <channel name="APU">
 340     <!--Set throttle cmd - APU always throttle const-->
 341     <switch name="propulsion/engine[3]/thr">
 342       <default value="0.0"/>
 343       <test value="0.97">
 344         propulsion/engine[3]/n2 > 22.0
 345       </test>
 346       <output>fcs/throttle-pos-norm[3]</output>
 347     </switch>
 348
 349   </channel>
 350
 351 </system>