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Modified harmony search optimizing method

An optimization method and harmony technology, which is applied in the field of improved harmony search optimization, can solve the problems of relying on the initial harmony library, the algorithm is not robust, and it is easy to fall into local optimum, so as to achieve good optimization effect and increase diversity The effect of sex and fast optimization effect

Inactive Publication Date: 2018-02-23
JIMEI UNIV
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AI Technical Summary

Problems solved by technology

[0006] The disadvantage of the harmony search algorithm in the prior art is that its robustness is not high, the randomness is large, it is relatively dependent on the initial harmony library, and it is easy to fall into local optimum

Method used

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Embodiment Construction

[0038] The technical solution of the present invention will be specifically described below in conjunction with the accompanying drawings.

[0039] An improved harmony search optimization method of the present invention, such as figure 1 As shown, follow the steps below to achieve:

[0040] Step S1: Determine the objective function of the optimization problem, the constraints and the basic parameters of the harmony search. In this embodiment, the basic parameters include:

[0041] ①The number m of musical instruments (variables); ②The pitch range of various musical instruments (variable value range); ③The number M of harmony that can be retained in the harmony search library HM, and M should be much smaller than the number of feasible solutions; ④And Acoustic memory retention probability HMCR, that is, the x of the solution components retained from the harmony memory when a new solution is generated i j ⑤ The memory bank disturbance probability PAR, that is, the probabilit...

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Abstract

The invention relates to a modified harmony search optimizing method. Random distributing operations controlled via a distribution coefficient are utilized, so that a harmony base is mover diversified; an algorithm is enabled to quickly search for a search area that has most promising chances to obtain optimal solutions; in addition, better solutions are obtained by finely adjusting the search area.

Description

technical field [0001] The invention relates to the field of artificial intelligence algorithms, in particular to an improved harmony search optimization method. Background technique [0002] With the expansion of the living environment of human beings, the scope of transformation and understanding of nature has expanded. The problems to be dealt with in reality are more complicated, and the use of conventional optimization methods such as: Newton's method, simplex method, optimal gradient method, pattern search method, etc. has been unable to meet complex optimization problems. Therefore, efficient optimization algorithms have become one of the research goals of scientists. At the same time, the wide application of high-speed computers also provides a favorable tool guarantee for solving complex problems. [0003] There are many difficult and high-dimensional optimization problems in various fields of my country's national economy, such as: optimal scheduling in transport...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/2453
Inventor 吴德烽顾佳栋赵珂杨荣峰
Owner JIMEI UNIV
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