能源互聯(lián)網(wǎng)環(huán)境下電動(dòng)汽車充電站選址優(yōu)化模型研究
[Abstract]:In the global energy Internet environment, as new energy, new materials, new directions, new technologies and other modern high-tech integrated products of electric vehicles in energy, transportation, electricity, communications and other industries will bring a huge change. This change may become an important driving force of the new energy revolution. In order to encourage the development of electric vehicle industry, countries have introduced a large number of preferential policies. The development and planning of the basic charging facilities such as charging stations and other basic supporting facilities will inevitably lead to the rapid development of the electric vehicle industry. Whether the development and planning of the basic charging facilities, such as charging stations, is scientific or not, will affect the balance of the electric vehicle industry. Key factors for rapid development. At present, the construction of charging station as the basic supporting facilities has some problems, such as the lack of unity of understanding, the imperfect policy, the difficulty of coordination and promotion, the unsound standard and so on, which seriously restrict the scale development of the electric vehicle industry. In order to build a more scientific and standardized charging station, On the basis of considering the fusion of electric vehicle and energy internet, this paper discusses the necessity and urgency of the scientific optimization of charging station location from the theoretical and practical significance in view of the problems existing in the current charging station planning. First of all, the factors influencing the location of charging stations are analyzed from six aspects: power grid safety, economic development, convenience of transportation, environmental impact, technological development and coordination of planning. The evaluation index system of charging station location based on energy Internet is constructed, and the logical relationship and interaction among various planning factors, such as economy, traffic, environment, technology, power grid security, etc., are discussed from the viewpoint of system theory. The DPSIR model of charging station location is constructed, and the system indexes are divided into five different systems, namely, driving force system, pressure system, state system, influence system and response system. The logical influence of each element is analyzed by the interrelation between systems. Secondly, a charging station location model based on genetic algorithm to optimize BP neural network is proposed and the weight of each index is calculated by entropy method. Thirdly, in order to avoid the problem that the index value is beyond the domain and the correlation function can not be calculated in the traditional matter-element extension model, an improved matter-element extension model is used to plan the location of charging station. In addition, RBF neural network based on genetic variation improved ant colony clustering algorithm is used to evaluate the location of charging station. Ant colony clustering algorithm based on genetic variation is used to determine the number of hidden layers in RBF neural network. In order to solve the problem that the initial parameters of RBF neural network are difficult to select accurately without scientific method, the scientific and effective method is proved by an example. Finally, the advantages and disadvantages of each method are compared, which provides a new method and train of thought for the location planning of charging station.
【學(xué)位授予單位】:華北電力大學(xué)(北京)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:TP18;F426.471;F426.61
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