An Evaluation and Optimization Method of the Consistency Between Self-consistent Energy Systems and Highway Development Levels Considering Intelligent Facilities and New Energy Vehicles
Inconsistency between energy demand and energy supply of highways leads to issues such as low and un-stable operational efficiency of the transportation system and challenges in accommodating natural endowments of renewable energies.Therefore,the mutual influences between the development levels of highways and self-consis-tent energy systems are analyzed,with the consideration of intelligent facilities and new energy vehicles.A simula-tion model for dynamic evolution of highway transportation and its energy systems based on system dynamics(SD)is built.A set of evaluation indicators for evaluating the consistency level between the development level of high-ways and self-consistent energy systems are proposed.The indicators consist 15 quantitative parameters covering 5 aspects including energy-saving and efficiency-enhancing,load-demand matching,efficient transportation,flexible resource dispatching,and natural endowments matching.An improvement strategy for calculating weighting param-eters of the evaluation indicators based on the influencing factors analyzed in the SD model is proposed,and the ef-fectiveness of the improved weighting method is examined considering its compatibility and discrimination.An inte-grated evaluation method combining analytic hierarchy process(AHP),improved entropy evaluation and TOPSIS is used to calculate the weights of the evaluation indicators.And then an energy consumption optimization model for transportation infrastructure is established with the consistency evaluation model as the objective function,consider-ing constraints of rate of self-consistent,load-demand matching and stable operation of infrastructures.Finally,a smart highway scenario based on the SD model is used as a case study to verify and analyze the evaluation method and optimization model.The results demonstrate that the proposed method can predict or evaluate the consistency between Self-consistent energy systems and highway development levels considering the integration of intelligent facilities and new energy vehicles and the evaluation results agree with the actual situation.Besides,optimization of key indicators using the optimization model demonstrates that the power supply margin could be increased by 34％,the utilization efficiency of charging stations could be improved by 49.2％,the self-consistency rate could be in-creased by 64％,and the comprehensive consistency score could be improved by 75％.
transportation planning and managementtransportation energy systemconsistency evaluationcompre-hensive evaluationsystem dynamics modelintelligent transportation
万方数据
维普
