Service Station Evaluation Problem in Catering Service of High-Speed Railway: A Fuzzy QFD Approach Based on Evidence Theory

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Notations</td><td align="left">Descriptions</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left"></td><td align="left">The α-cuts of fuzzy important ratings </td></tr><tr><td align="left"></td><td align="left">The α-cuts of fuzzy relationship </td></tr><tr><td align="left"></td><td align="left">The α-cuts of fuzzy relationship </td></tr><tr><td align="left"></td><td align="left">The α-cuts of fuzzy correlations </td></tr><tr><td align="left"></td><td align="left">The α-cuts of fuzzy correlation </td></tr><tr><td align="left"></td><td align="left">The α-cuts of fuzzy correlation </td></tr><tr><td align="left"></td><td align="left">The α-cuts of fuzzy important ratings </td></tr><tr><td align="left"></td><td align="left">The α-cuts of fuzzy important ratings </td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The -cuts of the fuzzy sets in the two-phase F-QFD.

Mathematical Problems in Engineering

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Table 3

Table 3: Service Station Evaluation Problem in Catering Service of High-Speed Railway: A Fuzzy QFD Approach Based on Evidence Theory 