Water supply pipe network optimization method and system based on ordered binary decision diagram
A binary decision graph and network optimization technology, which is applied in the field of water supply pipe network optimization based on an ordered binary decision graph, can solve problems such as difficult prediction of calculation accuracy of random simulation algorithms, reliability analysis, and explosion of grouping sets
Pending Publication Date: 2022-06-28
苏州思萃融合基建技术研究所有限公司
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Existing studies have shown that there are two key issues in the reliability analysis of lifeline engineering network systems: 1. The problem of unit explosion in system reliability analysis; 2. Considering the reliability analysis problems related to unit failure
The principle of the stochastic simulation algorithm is relatively simple, and the program implementation is relatively easy, but the stochastic simulation algorithm is not only difficult to predict the calculation accuracy
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[0023] In order to illustrate the technical solutions of the embodiments of the present specification more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some examples or embodiments of the present specification. For those of ordinary skill in the art, the present specification can also be applied to the present specification according to these drawings without any creative effort. other similar situations. Unless obvious from the locale or otherwise specified, the same reference numbers in the figures represent the same structure or operation.
[0024] It is to be understood that "system", "device", "unit" and / or "module" as used herein is a method used to distinguish different components, elements, parts, parts or assemblies at different levels. However, other words may be replaced by other expressions if they serve the same purpose.
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The embodiment of the invention provides a water supply pipe network optimization method and system based on an ordered binary decision diagram, and belongs to the technical field of water supply pipe networks, and the method comprises the steps: obtaining a to-be-optimized water supply pipe network structure, and enabling a water supply node of the to-be-optimized water supply pipe network structure to be connected with at least one demand node through a water supply pipeline, the two demand nodes are connected through a water supply pipeline; for each section of water supply pipeline, calculating the anti-seismic reliability of the water supply pipeline under the target seismic grade; for each demand node, determining a variable sequence by taking the demand node as an end point and the water supply node as a starting point, and determining an ordered binary decision diagram corresponding to the demand node based on the variable sequence; and on the basis of the ordered binary decision diagram corresponding to the demand node and the anti-seismic reliability of each section of water supply pipeline under the target seismic grade, calculating the pre-optimization communication reliability corresponding to the demand node, so that the reliability of the water supply pipe network can be accurately evaluated, and the water supply pipe network can be optimized.
Description
technical field [0001] The present specification relates to the field of water supply pipe network, in particular to a water supply pipe network optimization method and system based on an ordered binary decision diagram. Background technique [0002] The reliability analysis of the urban water supply pipe network system is one of the important foundations for the planning, design, transformation and optimization of the urban lifeline engineering system. It has been nearly 30 years since the concept of urban lifeline project was put forward. During this period, domestic and foreign experts and scholars have done a lot of research work. The existing research shows that there are two key problems in the reliability analysis of lifeline engineering network systems: 1. The problem of group explosion in the system reliability analysis; 2. Considering the reliability analysis problem related to unit failure. The existing reliability analysis methods of urban water supply pipe net...
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IPC IPC(8): G06F30/18G06F30/20G06Q10/04G06Q10/06G06Q50/06G06F113/14G06F119/02
CPCG06F30/18G06F30/20G06Q10/04G06Q10/06315G06Q10/06313G06Q50/06G06F2119/02G06F2113/14
Inventor 包元锋郭志军李国建陆澄尹述伟
Owner 苏州思萃融合基建技术研究所有限公司