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A Cable Optimal Route Planning and Calculation Method

A technology of the best path and calculation method, applied in the direction of calculation, computer-aided design, design optimization/simulation, etc., can solve the problems of slow calculation of the cable path, low efficiency, and inability to lay the cable after laying, so as to improve the laying efficiency, Avoid the effects of manual connection operations

Active Publication Date: 2022-06-17
ZHEJIANG HUADONG ENG DIGITAL TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the search for the shortest cable path, some algorithms are slow to calculate the cable path in a complex channel network, and the efficiency is not high, such as Dijikstra algorithm, Floyd algorithm, etc.; when the 3D digital model of the channel generates the channel topology network, there are various types of channels on the project site. And there is a situation that the channels are disconnected but connected during actual installation; in addition, some software does not consider the channel volume ratio limit, but only plans the cable path, resulting in the failure of laying cables in actual engineering

Method used

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  • A Cable Optimal Route Planning and Calculation Method
  • A Cable Optimal Route Planning and Calculation Method
  • A Cable Optimal Route Planning and Calculation Method

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Embodiment 1

[0063] This embodiment is a workflow of an embodiment of a cable optimal path planning method. Figure 2a Shown is a flow chart of the steps of a path planning method according to an embodiment of the present invention, including the following steps:

[0064] Step S1: Set the proximity threshold s, and create initial data information, including creating an initial channel set and a connection point set and leaving it empty. The channel set is a set of channels, and the connection point set is a set of connection points.

[0065] Step S2: Traverse the channel models in the three-dimensional digital model, and construct a connection relationship of direct connection or close-range connection between the channel models.

[0066] Traverse the channel model in the 3D digital model, take the next channel model to be calculated as the current channel, search for other channel models within the range of the threshold s, centered on the coordinates of both ends of the current channel ...

Embodiment 2

[0103] This embodiment is a workflow of an embodiment of a method for calculating an optimal path for a cable, Figure 2b Shown is a flow chart of steps of an embodiment of a method for calculating an optimal cable path. For steps S1-S3, reference may be made to Embodiment 1, and details are not described herein. This embodiment introduces step S4 in detail.

[0104] Step S4: Use the A-star algorithm to sequentially calculate the optimal path of each cable in the cable inventory under the constraint condition.

[0105] In this embodiment, the constraints are: the voltage level of the cable and the channel is consistent, and whether the current volume ratio of the channel reaches the upper limit of the allowable volume ratio. Whether the current volume ratio of the channel reaches the upper limit of the allowable volume ratio, it means that the sum of the cross-sectional area of ​​all cables passing through the channel in the percentage of the cross-sectional area of ​​the ch...

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Abstract

The invention discloses a cable optimal path planning method and calculation method, which includes: constructing the connection relationship between the direct connection and the short-distance cable channel according to the three-dimensional digital model; Channel, to construct a complete device-channel connection relationship; use the A-star algorithm to calculate the optimal path of the cable under constraint conditions. Based on the engineering three-dimensional digital model and the cable laying conditions in the actual project, the present invention can plan the best route of the cable under the complicated condition of the cable channel, and can automatically search the most reasonable route of the cable based on the A-star algorithm, thereby effectively improving the efficiency of the cable laying.

Description

technical field [0001] The invention belongs to the technical field of electric power engineering cable laying, and particularly relates to a cable optimal path planning and calculation method. Background technique [0002] In large-scale power station engineering, cable laying is to install cables on a given cable channel according to a given starting point and destination equipment. There are thousands of cables in power station engineering, and the cable channels are intricate, with various channel types and connection methods. At present, cable laying is mainly based on manual planning of paths, which consumes a lot of manpower and time, and it is difficult for designers to accurately calculate the floor area ratio of the channel during the planning process. When the construction personnel install according to the planned path, some channels will be seriously congested and some channels are very idle. This phenomenon affects the later installation operations and schedul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/18G06F30/20G06F111/04G06F113/16
CPCG06F30/18G06F30/20G06F2113/16G06F2111/04
Inventor 尧锋胡婷陈沉张业星
Owner ZHEJIANG HUADONG ENG DIGITAL TECH CO LTD
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