Page - 192 - in Emerging Technologies for Electric and Hybrid Vehicles

Energies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igure2.Evaluation indexsystemforoptimalsitingofchargingstations forelectricvehicles. 6. EmpiricalAnalysis Tianjin isoneof themost famousmoderncities inChina,whichhasbeendevotedtodeveloping theelectric-vehicle industry. Inorder topromote thesustainabledevelopmentandmanagementof the EVindustry inTianjincity, it isnecessary toselect theoptimalsites forEVCSs.After reviewingthe project feasibility researchreports, theexpertgroupsfinallydeterminefiveEVCSsitealternatives. The geographical locationsof thesefivealternativesareshowninFigure3. FivealternativesAi(1,2, . . . 5) are located in theBeichendistrict,Donglidistrict,Nankaidistrict, JinnandistrictandTanggudistrict inTianjin, respectively. TheMCDMproblemrelatedtooptimalsitingofEVCSincludes fourcriteria (economy,society, environmentandtechnology)andthirteensub-criteria.After reviewingthe literaturesandresearch reports related to all alternatives, each experts group give the linguistic ratings judgments for sub-criteriaweights and sub-criteria performance of all alternatives. The rating results are listed inTables4and5. Table4.Linguistic ratings forsub-criteriaweights. C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 E1 I I MI MI I I MI MI VI VI I MI MI E2 I VI I I VI VI LI I AI VI LI I I E3 I VI I I LI MI MI I I AI MI LI I E4 VI AI MI I VI MI I VI VI AI I MI VI 192