计算物理 ›› 2011, Vol. 28 ›› Issue (1): 87-93.

• 研究论文 • 上一篇    下一篇

用于光子相关光谱颗粒粒度测量的实数编码混合遗传算法

任师波, 韩鹏, 杨冠玲   

  1. 华南师范大学物理与电信工程学院, 广东 广州 510006
  • 收稿日期:2009-11-23 修回日期:2010-06-02 出版日期:2011-01-25 发布日期:2011-01-25
  • 通讯作者: 韩鹏,E-mail:hanp@scnu.edu.cn
  • 作者简介:任师波(1982-),男,山东济宁,硕士,从事光电技术与应用研究.
  • 基金资助:
    国家自然科学基金(10504008);教育部科学技术研究重点基金(209091)资助项目

Real-coded Hybrid Genetic Algorithm for Particle Sizing with Photon Correlation Spectroscopy

REN Shibo, HAN Peng, YANG Guanling   

  1. School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China
  • Received:2009-11-23 Revised:2010-06-02 Online:2011-01-25 Published:2011-01-25

摘要: 提出一种自动缩小反演范围的实数编码混合遗传算法,并用于光子相关光谱颗粒粒度测量中.该算法利用混沌遍历性质,融入模拟退火算法,具有较强的局部搜索能力.通过数值模拟,讨论在无噪声和多种噪声水平影响下单分散颗粒系的反演结果;分析90 nm聚苯乙烯标准颗粒样品的实验测量数据.结果表明,反演的粒径分布在峰值位置、峰宽度、峰对称性等方面很接近颗粒的真实分布,具有较强的抗噪声干扰能力.

关键词: 光子相关光谱法, 颗粒粒度测量, 实数编码, 遗传算法, 反演

Abstract: A real-code hybrid genetic algorithm for nano-particle sizing with photon correlation spectroscopy is presented.With ergodic properties of chaos and simulated annealing algorithm,our algorithm shortens inversion range automatically.It has a relatively strong local searching ability.Numerical simulations are performed for mono-disperse particle system under noise-free condition and noise with various noise levels.Inversion of experimental results of 90nm standard samples of polystyrene particles is made.It shows effectiveness,reliability and ability of noise resistance of the algorithm.

Key words: photon correlation spectroscopy, particle size measurement, real-coded, genetic algorithm, inversion

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