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Improved quantum genetic algorithm based fan-shaped grinding piece sorting method

A quantum genetic algorithm and sorting method technology, applied in the field of automatic control, can solve problems such as cracking of rotating parts, violent vibration of rotating machinery, uneven mass distribution of fan-shaped grinding discs, etc., to improve production efficiency and service life, and reduce residual imbalance Effect

Inactive Publication Date: 2017-07-04
CHANGCHUN UNIV OF TECH
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Problems solved by technology

And because the fan-shaped grinding discs are affected by some factors in the production and processing process, the mass distribution of the produced fan-shaped grinding discs is not uniform. If they are installed in random order, the centrifugal force will cause the rotating machinery to vibrate violently and rotate at a high speed. It may even cause the cracking of rotating parts

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  • Improved quantum genetic algorithm based fan-shaped grinding piece sorting method

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with the accompanying drawings.

[0010] figure 1 It is a schematic diagram of a sector grinding sorting method based on an improved quantum genetic algorithm, which adopts an optimized sorting method combining an improved quantum computing method and a genetic algorithm, that is, on the one hand, through adaptive update of the probability amplitude The update of the population; on the other hand, the population is updated through the crossover and mutation of the genetic algorithm. Avoid local convergence, accelerate the convergence speed, and achieve the purpose of optimizing the sorting of fan-shaped grinding discs.

[0011] For the model, a sorting method based on the improved quantum genetic algorithm, including the following steps:

[0012] Step 1, establish a fan-shaped grinding disc sorting installation model such as figure 2 As shown in , the position of a grinding disc is clearly expresse...

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Abstract

The invention relates to an improved quantum genetic algorithm based fan-shaped grinding piece sorting method, and belongs to the technical field of automatic control. The technical scheme of the invention is composed of 10 steps, wherein step 1, a fan-shaped grinding piece sorting and mounting model is built; step2, an objective function and constraint conditions are established; step 3, a primary population is generated by adopting a real number encoding mode; step 4, a fitness value is calculated; step 5, probability amplitude adaptive update is performed, and then the population is updated according to the updated probability amplitude; step 6, the population is updated according to crossover and mutation of a genetic algorithm; step 7, the fitness value is calculated again; step 8, optimal individual migration is performed; step 9, whether a termination condition is met or not is judged; and step 10, an optimal individual and the fitness value, namely, a sorting result, are outputted. The advantages lie in that reasonable sorting is performed on the fan-shaped grinding pieces, the production efficiency and the service life of a paper pulp grinding machine are improved, and the residual unbalance of the fan-shaped grinding pieces is reduced.

Description

technical field [0001] The invention belongs to the technical field of automatic control, and relates to a sorting method for fan-shaped grinding discs based on an improved quantum genetic algorithm. Background technique [0002] The paper industry has a large investment in machinery and equipment and high fixed costs. How to reduce its production costs and gain a favorable competitive advantage in the fierce competition is an inevitable topic. In the papermaking industry, the fan-shaped grinding disc is one of the important components for the pulp to be formed by grinding the fiber raw materials in the beating process. At the same time, the grinding process also makes the grinding disc extremely easy to wear, and its service life directly affects the pulping process. quality, productivity and production costs. And because the fan-shaped grinding discs are affected by some factors in the production and processing process, the mass distribution of the produced fan-shaped gri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B13/04G06N3/12
CPCG05B13/042G06N3/126
Inventor 张邦成徐燃姜大伟卢晓辉张曦予尹晓静高智王定
Owner CHANGCHUN UNIV OF TECH
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