Seite - 194 - in Emerging Technologies for Electric and Hybrid Vehicles
Bild der Seite - 194 -
Text der Seite - 194 -
Energies 2016,9, 270
Then,accordingtoTable4andEquations (9)and(10), the initial fuzzydecisionmatrix rD canbe
obtained,asbelow:
rD“ »——————————————————————————————————– C1 C2 C3 C4
C5¨˚
˚˚˚˚
˝ 0.50 0.30 0.21
0.43 0.27 0.20
0.75 0.38 0.25
0.25 0.19 0.17
1.00 0.50 0.30 ‹˛‹‹‹‹‚ ¨˚
˚˚˚˚
˝ 0.38 0.59 0.81
0.27 0.49 0.70
0.70 0.89 1.00
0.24 0.43 0.65
0.38 0.59 0.78 ‹˛‹‹‹‹‚ ¨˚
˚˚˚˚
˝ 0.29 0.18 0.14
0.50 0.25 0.17
1.00 0.40 0.22
0.20 0.14 0.11
0.25 0.17 0.13 ‹˛‹‹‹‹‚ ¨˚
˚˚˚˚
˝ 0.23 0.46 0.69
0.34 0.57 0.80
0.57 0.80 1.00
0.29 0.51 0.74
0.51 0.74 0.97 ‹˛‹‹‹‹‚ ¨˚
˚˚˚˚
˝ 0.33 0.55 0.79
0.30 0.55 0.79
0.55 0.79 1.00
0.24 0.48 0.73
0.48 0.73 0.94 ‹˛‹‹‹‹‚
C6 C7 C8 C9
C10¨˚
˚˚˚˚
˝ 0.26 0.46 0.69
0.29 0.51 0.74
0.63 0.83 1.00
0.29 0.51 0.74
0.51 0.74 0.94 ‹˛‹‹‹‹‚ ¨˚
˚˚˚˚
˝ 0.44 0.67 0.86
0.33 0.56 0.78
0.61 0.83 1.00
0.11 0.28 0.50
0.36 0.56 0.75 ‹˛‹‹‹‹‚ ¨˚
˚˚˚˚
˝ 0.17 0.10 0.07
0.20 0.11 0.08
1.00 0.29 0.14
0.14 0.09 0.07
0.20 0.11 0.08 ‹˛‹‹‹‹‚ ¨˚
˚˚˚˚
˝ 0.21 0.42 0.63
0.42 0.63 0.84
0.68 0.87 1.00
0.11 0.24 0.42
0.47 0.68 0.87 ‹˛‹‹‹‹‚ ¨˚
˚˚˚˚
˝ 0.51 0.72 0.90
0.36 0.56 0.77
0.67 0.87 1.00
0.26 0.46 0.67
0.62 0.82 0.97 ‹˛‹‹‹‹‚
C11 C12
C13¨˚
˚˚˚˚
˝ 0.06 0.23 0.46
0.34 0.57 0.80
0.63 0.83 0.97
0.14 0.34 0.57
0.57 0.80 1.00 ‹˛‹‹‹‹‚ ¨˚
˚˚˚˚
˝ 0.11 0.08 0.06
0.14 0.09 0.07
1.00 0.25 0.13
0.08 0.06 0.05
1.00 0.25 0.13 ‹˛‹‹‹‹‚ ¨˚
˚˚˚˚
˝ 0.23 0.17 0.14
0.50 0.28 0.19
1.00 0.42 0.25
0.25 0.18 0.14
1.00 0.42 0.25 ‹˛‹‹‹‹‚ fiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffifl
AccordingtoTable4,Equations(20)and(21), thesubjectiveweightsofsub-criteriacanbeobtained.
Ontheotherside, theobjectiveweightsofsub-criteriacanalsobeobtainedbyfuzzydecisionmatrix rD
andEquations (21)–(26). Finally, thecombinationweightsofall sub-criteriaequal to theaverageof
subjectiveandobjectivesub-criteriaweights,whichareshowninTable6, canbeobtainedthatC2,C4,
C5,C6,C7,C10,C11arebenefitsub-criteriaandC1,C3,C8,C9,C12,C13arecost sub-criteria.
Table6.Combinationweightsofevaluationcriteria.
C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13
wsubjective0.0853 0.1109 0.0603 0.0686 0.0763 0.0686 0.0429 0.0769 0.1109 0.1282 0.0513 0.0429 0.0769
wobjective 0.0832 0.0845 0.0764 0.0769 0.0787 0.0795 0.0798 0.0681 0.0787 0.0728 0.0689 0.0781 0.0743
wj 0.0842 0.0977 0.0683 0.0727 0.0775 0.0741 0.0614 0.0725 0.0948 0.1005 0.0601 0.0605 0.0756
ThenormalizedfuzzydecisionmatrixcanbeobtainedbasedonEquations (11)and(12). Then
thedistances of alternatives from thepositive ideal solutions andnegative ideal solutions canbe
calculatedaccordingtoEquations (6)and(16)–(18). Finally, compute thevaluesofQi forfiveEVCS
sitealternativesaccordingtoEquation(13).Andthusrankanddeterminetheoptimalsite forEVCS
basedontheprincipleofVIKOR.TheresultsareshowninTable7.
Table7.ThevaluesofSi,Ri andQi foreachalternative.
A1 A2 A3 A4 A5
Si 0.512 0.532 0.972 0.443 0.759
Ri 0.070 0.066 0.049 0.084 0.064
Qi 0.733 0.655 0.000 1.000 0.408
Rank 4 3 1 5 2
Obviously,EVCSsitealternativeA3outranksother fouralternatives. Therefore,A3,namely the
EVCSsite inNankaidistrictofTianjinshouldbeselectedas theoptimalEVCSsite.
7.Discussion
TheEVCSsitealternativesarerankedbyusingFDM,combinationweightsandfuzzyGRA-VIKOR
methods. Basedon theQi, the rankingof all EVCSselections indescendingorder areA3,A5,A2,
A1andA4. Thebest alternative is foundtobeA3, and thesecondbest alternative isA5. Basedon
aboveresults, thisproposedmodelcaneasilyevaluateandselectabestalternative. In this section, to
194
Emerging Technologies for Electric and Hybrid Vehicles
- Titel
- Emerging Technologies for Electric and Hybrid Vehicles
- Herausgeber
- MDPI
- Ort
- Basel
- Datum
- 2017
- Sprache
- englisch
- Lizenz
- CC BY-NC-ND 4.0
- ISBN
- 978-3-03897-191-7
- Abmessungen
- 17.0 x 24.4 cm
- Seiten
- 376
- Schlagwörter
- electric vehicle, plug-in hybrid electric vehicle (PHEV), energy sources, energy management strategy, energy-storage system, charging technologies, control algorithms, battery, operating scenario, wireless power transfer (WPT)
- Kategorie
- Technik