基于引力效用的人員的建筑時(shí)空分布研究
[Abstract]:Regional major natural disasters and safety accidents will lead to serious casualties, efficient rescue is an important guarantee to reduce casualties. For the realization of efficient rescue, an important guarantee is to master the distribution of people in the building space in the disaster accident area. At present, in the face of the severe situation of frequent occurrence of disasters and accidents in our country and even in the world, it is of great scientific significance and practical value to obtain the distribution information of personnel in the disaster occurrence area and optimize the rescue plan to ensure the safety of people's lives. In this paper, the buildings in the area are regarded as the distribution space of personnel. According to the evaluation of the utility of all kinds of personnel to the space, the distribution probability of personnel in space is calculated, and then combined with the total number of all kinds of personnel in the region, Finally, the individual disorder of personnel distribution is transformed into group order, so that the number of people in all kinds of space in the region can be counted. The main research work of this paper is as follows: (1) based on mathematical statistics, the disorder of individual distribution is analyzed by probability, and the group distribution of a large number of people is analyzed by mathematical expectation. Then it explains the transformation mechanism from the individual distribution of personnel to the distribution of group personnel. (2) according to the round-trip relationship between the starting and ending points in the range of individual activities of personnel, the residential space of personnel is taken as the starting point to explain the mechanism of the transformation from multi-circle to single circle. Combined with the principle of 5km life radius and the principle of regional homogeneity in traffic district division, this paper provides a theoretical basis for the determination of research area. (3) through the evaluation of the utility of space, the "gravity" between the two is studied. The effective value is used to express the size of gravity, and the transformation from gravity model to distribution probability is realized by taking utility as intermediary. At the same time, the influence of the difference of space use area on the probability of personnel distribution is discussed. The ratio of the area used by each building to the total area of the same kind of space is taken as the weight coefficient of the probability of personnel distribution. (4) based on the utility theory, the relationship between people and space is studied, and the subjective preferences of personnel to each attribute of space are compared. The weights of each attribute in space and the grade membership degree in different periods are obtained, and the calculation model of utility value under the influence of time is obtained by using fuzzy mathematics method, and the utility value of space to personnel in different periods is determined. In order to quantify the subjective consciousness evaluation of space.
【學(xué)位授予單位】:西南石油大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:X4;X928
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