Aircraft Gas Turbine Engine Health Monitoring System by Real Flight Data

<div class="floats-full-page floats-full-page-other"><h2>Table 4</h2><div class="floats-full-page-caption"><div>Validation data range used in the prediction of EGT.</div></div><div class="floats-full-page-content"><table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr /></td></tr><tr class="thead"><td class="align_left"></td><td class="align_center" colspan="9">Statistics</td></tr><tr class="thead"><td class="align_left"></td><td class="align_center">N1 speed</td><td class="align_center">N2 speed</td><td class="align_center">Pitch</td><td class="align_center">Angle of attack</td><td class="align_center">Roll</td><td class="align_center">Vertical acceleration</td><td class="align_center">Total air temperature</td><td class="align_center">Ground/air</td><td class="align_center">Exhaust gas temperature</td></tr><tr><td class="thead-hr" colspan="10"><hr /></td></tr><tr><td class="align_left">N</td><td class="align_left"> </td><td class="align_left"> </td><td class="align_left"> </td><td class="align_left"> </td><td class="align_left"> </td><td class="align_left"> </td><td class="align_left"> </td><td class="align_left"> </td><td class="align_left"> </td></tr><tr><td class="align_left"> Valid</td><td class="align_center">215</td><td class="align_center">215</td><td class="align_center">215</td><td class="align_center">215</td><td class="align_center">215</td><td class="align_center">215</td><td class="align_center">215</td><td class="align_center">215</td><td class="align_center">215</td></tr><tr><td class="align_left"> Missing</td><td class="align_center">0</td><td class="align_center">0</td><td class="align_center">0</td><td class="align_center">0</td><td class="align_center">0</td><td class="align_center">0</td><td class="align_center">0</td><td class="align_center">0</td><td class="align_center">0</td></tr><tr><td class="align_left">Mean</td><td class="align_center">59.6409302</td><td class="align_center">80.8041860</td><td class="align_center">1.791628</td><td class="align_center">0.672093</td><td class="align_center">−1.298140</td><td class="align_center">1.000530</td><td class="align_center">−4.323721</td><td class="align_center">0.86</td><td class="align_center">575.411628</td></tr><tr><td class="align_left">Median</td><td class="align_center">65.9000000</td><td class="align_center">83.9000000</td><td class="align_center">1.100000</td><td class="align_center">−.400000</td><td class="align_center">−1.400000</td><td class="align_center">0.997000</td><td class="align_center">−8.300000</td><td class="align_center">1.00</td><td class="align_center">572.000000</td></tr><tr><td class="align_left">Std. deviation</td><td class="align_center">25.67176527</td><td class="align_center">10.77929528</td><td class="align_center">3.6772253</td><td class="align_center">1.7983021</td><td class="align_center">4.4961766</td><td class="align_center">0.0397756</td><td class="align_center">17.7368312</td><td class="align_center">0.347</td><td class="align_center">108.3661869</td></tr><tr><td class="align_left">Range</td><td class="align_center">75.30000</td><td class="align_center">37.80000</td><td class="align_center">22.5000</td><td class="align_center">7.1000</td><td class="align_center">51.0000</td><td class="align_center">0.4170</td><td class="align_center">64.0000</td><td class="align_center">1</td><td class="align_center">421.5000</td></tr><tr><td class="align_left">Minimum</td><td class="align_center">20.60000</td><td class="align_center">59.30000</td><td class="align_center">−2.8000</td><td class="align_center">−1.1000</td><td class="align_center">−21.8000</td><td class="align_center">0.8360</td><td class="align_center">−24.0000</td><td class="align_center">0</td><td class="align_center">442.0000</td></tr><tr><td class="align_left">Maximum</td><td class="align_center">95.90000</td><td class="align_center">97.10000</td><td class="align_center">19.7000</td><td class="align_center">6.0000</td><td class="align_center">29.2000</td><td class="align_center">1.2530</td><td class="align_center">40.0000</td><td class="align_center">1</td><td class="align_center">863.5000</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr" /></td></tr></table></td></tr></table></div></div>

Table 4 | Aircraft Gas Turbine Engine Health Monitoring System by Real Flight Data

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Table 4: Aircraft Gas Turbine Engine Health Monitoring System by Real Flight Data

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Table 4

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<p><em>International Journal of Aerospace Engineering </em>serves the international aerospace engineering community through the dissemination of scientific knowledge on practical engineering and design methodologies pertaining to aircraft and space vehicles.</p>


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