Power transmission tower tower-leg auxiliary material topological-structure optimization method based on improved artificial fish swarm algorithm

An artificial fish swarm algorithm and transmission tower technology, which is applied in calculation, data processing application, prediction, etc., can solve problems such as poor optimization results, difficult to switch tower leg auxiliary material configuration, slow optimization speed, etc.

Inactive Publication Date: 2016-01-13
CHONGQING UNIV
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Problems solved by technology

[0004] 1) The existing optimization methods for tower leg auxiliary materials of transmission towers lack relatively complex topological configuration changes, and it is difficult to systematically convert the configuration of tower leg auxiliary mate

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  • Power transmission tower tower-leg auxiliary material topological-structure optimization method based on improved artificial fish swarm algorithm
  • Power transmission tower tower-leg auxiliary material topological-structure optimization method based on improved artificial fish swarm algorithm
  • Power transmission tower tower-leg auxiliary material topological-structure optimization method based on improved artificial fish swarm algorithm

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Embodiment Construction

[0068] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0069] The invention proposes a topology optimization technology for auxiliary materials of transmission tower legs based on an artificial fish swarm algorithm, and proposes a corresponding improvement strategy. Firstly, the calculation model of the topology optimization of the structure and the calculation criteria of the topological variables are given, then the artificial fish swarm algorithm is described, and the improvement strategy of the field of view and step size and the improvement strategy of foraging behavior are proposed, and finally the improved artificial fish swarm algorithm is established. Fish swarm algorithm for topological configuration optimization. details as follows:

[0070] 1 Optimization theory of transmission tower legs

[0071] The important factors of structural optimization include design variables, design schemes, and optimiza...

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Abstract

The invention discloses a power transmission tower tower-leg auxiliary material topological-structure optimization method based on an improved artificial fish swarm algorithm. The method comprises the following steps: 1) firstly establishing a tower leg auxiliary material optimization mathematical model taking the fact that the quality of a tower leg is lightest as a target function, and satisfying a constraint condition through adding a penalty term to the target function, 2) loading a corresponding parameter group for determining a tower leg design scheme to artificial fishes, and achieving a change of the design scheme through a change of a swimming position of each artificial fish, 3) searching optimized artificial fish individuals through adoption of an artificial fish swarm algorithm, and 4) when an end condition is satisfied, outputting the optimal artificial fish individual, converting the optimal artificial fish position parameter into a corresponding structural parameter of the tower leg design scheme, and finally outputting the tower leg design scheme. The method can process a topological configuration change problem of a tower leg auxiliary material of a power transmission tower, and also improve structural optimization efficiency and precision through visual field and a foraging behavior.

Description

technical field [0001] The invention relates to the optimization of the topology structure of the auxiliary materials of the legs of the transmission tower, and specifically refers to a method for optimizing the topology structure of the auxiliary materials of the legs of the transmission tower based on the improved artificial fish swarm algorithm, which belongs to the technical field of engineering structure optimization. Background technique [0002] As the main carrier of high-voltage electric energy transmission, the transmission tower is an important lifeline project. The design level of the tower directly affects the safety of the power grid operation. Designing a safe, reliable, economical and reasonable transmission tower is of great significance to saving tower materials, reducing project cost and ensuring the safety and stability of the power grid. The transmission tower is composed of three parts: the tower head, the tower body and the tower legs, and the tower le...

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
Inventor 郭惠勇
Owner CHONGQING UNIV
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