Zhao Bing-yao, Chen Jing-hua, Guo Jing-tao, et al. Location and Capacity of Electric Vehicle Charging Station Based on Voronoi Diagram and Improved Gravity Search Algorithm[J]. 2021, 38(3): 72-78.
Zhao Bing-yao, Chen Jing-hua, Guo Jing-tao, et al. Location and Capacity of Electric Vehicle Charging Station Based on Voronoi Diagram and Improved Gravity Search Algorithm[J]. 2021, 38(3): 72-78.DOI: 10.12052/gdutxb.200095.
Location and Capacity of Electric Vehicle Charging Station Based on Voronoi Diagram and Improved Gravity Search Algorithm
Considering the characteristics of location and capacity problems such as multi-variable
multi-constrained
high-dimensional and nonlinear
a method based on Voronoi diagram and improved gravitational search algorithm (IGSA) is proposed. Considering both subjective and objective weights
a multi-objective decision model considering construction costs
operation costs
user charging time costs and distribution network loss costs is established. In order to solve the slow convergence and the inadequate accuracy of standard gravitational search algorithm (GSA)
a chaotic map is introduced in the particle initialization and updating phase to enhance the ergodicity of the algorithm. At the same time
a global optimal point to guide speed updating formula is introduced to improve the ability of the algorithm to jump out of the local optimal. Voronoi diagram is used to divide service area of charging station
and a joint solution process of Voronoi diagram and IGSA is proposed. The simulation results prove the feasibility and validity of the model.
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