Comprehensive evaluation index system of ship routing scheme and combined evaluation method thereof
An index system and comprehensive evaluation technology, applied in the field of comprehensive evaluation index system and combined evaluation of ship routing scheme, can solve the problems of poor evaluation effect and single evaluation method
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[0155] For the selection of the ship routing system plan in the core port area of Ningbo-Zhoushan, there are 6 candidate plans initially determined. The efficiency index evaluation values of the 6 candidate plans in the evaluation system are shown in Figure 5 .
[0156] The following are the specific evaluation steps of 6 candidate programs:
[0157] The first step: quantitative index weight and normalization calculation.
[0158] Using the aforementioned entropy method to calculate formula 1, formula 2, formula 3, and formula 4, obtain the efficiency index weight E of the 6 candidate schemes 1 2 , E 2 2 , E 3 2 , E 4 2 , E 5 2 , E 6 2 , E 7 2 , E 8 2 , E 9 2 Respectively: 0.139566429, 0.138641607, 0.140569862, 0.04758846, 0.123870012, 0.135423364, 0.139236745, 0.000111896, 0.134991625; for efficiency and cost index conversion and normalization processing, the calculation is as follows Image 6 The normalized value of the efficiency index shown.
[0159] Step 2: Calculation of qua...
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