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Engineering parameter optimization method and system

An engineering parameter and engineering technology, applied in data processing applications, instruments, calculation models, etc., can solve problems such as difficulty in finding the global optimal solution and small search range

Inactive Publication Date: 2017-02-08
GUANGDONG UNIV OF TECH
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Problems solved by technology

[0005] However, the particle swarm optimization algorithm is prone to local convergence, that is, the so-called premature convergence phenomenon, which will limit the search range to a small range, making it difficult to find the global optimal solution

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  • Engineering parameter optimization method and system

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Embodiment Construction

[0062] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0063] The embodiment of the present invention discloses an engineering parameter optimization method, see figure 1 As shown, the method includes:

[0064] Step S11: pre-constructing an objective function corresponding to a preset engineering problem; wherein, the solution space corresponding to the objective function is a d-dimensional solution space, and d is a positive integer.

[0065] In this embodiment, the aforementioned preset engineering problems cor...

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Abstract

The invention discloses an engineering parameter optimization method, and the method comprises the steps: an objective function corresponding to a preset engineering problem is constructed at first; N populations are generated randomly; S iterative updates are performed on populations separately; a global optimal particle is screened out from updated N populations, and then optimal engineering parameters of the preset engineering problem are determined; wherein an iterative update process can be performed on any current population, the process comprises the steps: when a first probability condition is met, a dimension value of a particle is generated in a population range corresponding to the current population, when a second probability condition is met, a dimension value of the particle is generated outside the population range corresponding to the current population, and an iteratively updated population of this time can be obtained correspondingly. A problem of occurring local convergence in the optimal process is avoided, so that a globally optimal solution can be obtained finally. In addition, the invention also discloses an engineering parameter optimization system.

Description

technical field [0001] The invention relates to the technical field of engineering optimization, in particular to an engineering parameter optimization method and system. Background technique [0002] At present, how to optimize the specific operating parameters of engineering equipment is an important research object for engineers and technicians. For example, in electric power engineering, how to select the output of the generating set so that the fuel cost of the generating set is the lowest is an important research topic for electric power engineering technicians. [0003] Intelligent optimization algorithm is an application technology based on mathematics to solve various engineering problems to obtain the corresponding optimized solution space. Integrated circuit) technology and computer engineering have been widely used in engineering fields. [0004] Particle swarm optimization algorithm is a commonly used intelligent optimization algorithm at present. It is design...

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Application Information

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IPC IPC(8): G06Q10/04G06N3/00
CPCG06N3/006G06Q10/04
Inventor 陈云龙殷豪林艺城
Owner GUANGDONG UNIV OF TECH
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