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Optimization Method of Complex Electrical Equipment Based on Space Segmentation Technology

An optimization method and space segmentation technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., to achieve high precision, wide application prospects and practical value

Active Publication Date: 2018-05-22
SHENYANG POLYTECHNIC UNIV
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Problems solved by technology

[0007] In order to overcome the problems existing in the prior art, the present invention provides a complex electrical equipment optimization method based on space segmentation technology, the purpose of which is to realize the fast and feasible optimal design of large-scale engineering electromagnetic field inverse problems based on evolutionary optimization algorithms

Method used

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  • Optimization Method of Complex Electrical Equipment Based on Space Segmentation Technology
  • Optimization Method of Complex Electrical Equipment Based on Space Segmentation Technology
  • Optimization Method of Complex Electrical Equipment Based on Space Segmentation Technology

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Embodiment 1

[0070] A standard test problem commonly used in the field of electrical engineering in the world - superconducting magnetic energy storage system is selected to verify the performance of the optimal design method of the present invention. figure 2 It is a schematic diagram of the structure of a superconducting magnetic energy storage system. This problem needs to achieve the following two goals by optimizing the structural parameters of the inner and outer superconducting coils without destroying the properties of the superconducting material:

[0071] (1) The stray magnetic field B on the two test boundary lines stray minimize;

[0072] (2) The energy storage of the system should reach its reference value E 0 ;

[0073] In order to achieve the above goals, the corresponding optimization model is constructed as follows:

[0074]

[0075]

[0076] Where E is the actual energy storage of the system, B norm is the reference stray magnetic field, B 1,m and B 2,m are t...

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Abstract

The invention relates to a method for optimizing complex electrical equipment based on space segmentation technology, which belongs to the technical field of engineering optimization. This method aims at the time-consuming performance analysis of large-scale and complex engineering electromagnetic field problems and the difficulty of realizing optimal design. According to the variation range of each design variable, the overall design space is subdivided into several sub-design spaces. Particle swarm optimization algorithm and based on A combination of adaptive sampling and Kriging modeling techniques is used to find the global optimal solution. The introduction of the sub-design space realizes the construction of the Kriging response model and the parallel calculation of the optimization process, which is time-saving and efficient; at the same time, for complex problems with multiple design variables, the number of samples is reduced, and the Kriging model is guaranteed under limited sampling information. The high precision can ensure the global optimal solution to the greatest extent.

Description

technical field [0001] The invention relates to a method for optimizing complex electrical equipment based on space segmentation technology, which belongs to the technical field of engineering optimization. Background technique [0002] A large number of optimization design problems exist in the field of engineering, especially in the field of electrical engineering, and the role of optimization theory and technology is becoming more and more important. R&D and design of large-scale and complex engineering electromagnetic field problems promote the development of fast solution methods and intelligent optimization algorithms. In order to seek the global optimal solution, researchers are increasingly favoring evolutionary optimization algorithms. [0003] Particle swarm optimization algorithm is a random search algorithm based on group cooperation developed by simulating the foraging behavior of birds. It completes the search of the entire design space through the movement of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 任自艳马建刚张殿海夏斌张艳丽
Owner SHENYANG POLYTECHNIC UNIV
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