An automatic judgment method for urban rail transit line construction time sequence

Abstract

The invention discloses an automatic judgment method of a construction time sequence of an urban rail transit line. The automatic judgment method comprises the following steps of: (1) determining influence indexes of the construction time sequence of the urban rail transit line and acquiring influence index data of the urban rail transit line; (2) constructing a standardized decision matrix of the construction time sequence of the urban rail transit line; (3) combining the standardized decision matrix and an influence index weight coefficient to construct a weighted standardized decision matrix; (4) determining a positive-negative ideal project alternative of the weighted standardized decision matrix by combining a TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) method according to the weighted standardized matrix obtained in the step (3); (5) calculating the distance and proximity between the construction time sequence of the urban rail transit line and the positive-negative ideal project alternative; and (6) judging the construction time sequence of the transit line according to the calculation result. According to the automatic judgment method disclosed by the invention, the calculated time sequence is consistent with the practice situation, so that the engineering practice of the rail transit line construction can be smoothly carried out, the time sequence of construction of the rail transit line is correct.

Description

technical field [0001] The invention relates to an automatic judgment method for the construction time sequence of urban rail transit lines, belonging to the field of urban rail transit planning. Background technique [0002] The construction of urban rail transit is a long-term and huge system project. Under certain objective conditions such as capital, manpower, and material resources, the construction sequence of rail transit lines not only plays a role in the operability of the rail transit network, but also directly affects It affects the operating efficiency of rail transit, and even affects the overall operation of urban traffic. Since each line in the network serves traffic corridors with different levels of busyness and undertakes different types of passenger transport tasks, and the suitability of each line for urban development is also different, therefore, the functional status and construction sequence of each line in the entire network There is also a differen...

AI Technical Summary

Problems solved by technology

[0003] At present, there is no systematic method for the construction timing of rail transit lines at home and abroad. Most of the methods are to qualitatively determine the construction of rail transit lines through qualitative analysis of the scale of rail transit network and the factors affecting the construction of rail transit lines. timing

There are also a few studies based on the mathematical constraint model, but the model has many constraints. On the one hand, it is difficult to obtain the parameters required by the model, and on the other hand, it is impossible to find a fast-converging solution algorithm.

Methods based on qualitative or complex mathematical models are not applicable in the engineering practice of rail transit line construction, so there is no systematic method for establishing the time sequence of urban rail transit line construction

Images