基于混合人工蜂群和人工鱼群优化的LSSVM脉动风速预测

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摘要考虑人工蜂群（ABC）和人工鱼群（AFS）算法的各自优势，提出混合智能算法（ABC+AFS）优化选择最小二乘支持向量机（LSSVM）参数的方法，以提高其脉动风速预测模型的性能。AFS算法有较强的全局寻优能力，混合智能算法以AFS算法中的人工鱼寻优方式代替ABC算法中的引领蜂寻优方式，克服ABC算法易陷入局部最优的问题。同时，ABC算法中的正负反馈机制可以克服AFS算法的后期盲目寻优、收敛速度下降的问题。运用基于混合ABC、AFS优化的LSSVM对脉动风速进行了预测，并与基于ABC、AFS和粒子群（PSO）算法优化的LSSVM脉动风速预测结果进行了比较。数值结果表明，基于混合ABC+AFS优化的LSSVM脉动风速预测模型有更好性能，具有工程应用前景。

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	张永康1 李春祥1 郑晓芬2 徐化喜2

关键词 ：人工蜂群算法, 人工鱼群算法, 混合智能优化, 最小二乘支持向量机, 脉动风速, 预测性能

Abstract：By resorting to the respective advantages of the artificial bee colony（ABC）and artificial fish swarm (AFS) algorithms, this work has proposed a hybrid optimization algorithm, referred as to ABC+AFS algorithm, used to optimize the parameters of least square support vector machine (LSSVM) in order to enhance its performance of predicting fluctuating wind velocity. Considering that the AFS algorithm has better ability of skipping over the local optimum, substituting the optimizing process of the employed bees in the ABC algorithm with that of the artificial fishes in the AFS algorithm is thus implemented to cope with the problems that the ABC algorithm easily traps into local optima. Concurrently, adopting the positive and negative feedback mechanism of the ABC algorithm comes over the problem of aimless optimization in the late period of the AFS algorithm. LSSVM for the prediction of fluctuating wind velocity has been established making use of the ABC+AFS algorithm to select its parameters. For a comparison, the results of fluctuating wind velocity forecasting are also taken into consideration using the ABC, AFS, and particle swarm optimization (PSO) algorithm based LSSVM. The numerical results show that the fluctuating wind velocity prediction method of the ABC+AFS algorithm based LSSVM has better prediction performance and a bright prospect of engineering application.

Key words： Artificial bee colony Artificial fish swarm Hybrid intelligent optimization Least square support sector machine Fluctuating wind velocity Prediction performance

收稿日期: 2016-03-04 出版日期: 2017-07-28

引用本文:

张永康1 李春祥1 郑晓芬2 徐化喜2. 基于混合人工蜂群和人工鱼群优化的LSSVM脉动风速预测[J]. 振动与冲击, 2017, 36(15): 203-209.
ZHANG Yongkang1 LI Chunxiang1 ZHENG Xiaofen2 XU Huaxi2. Fluctuating wind velocity forecasting of hybridizing artificial bee colony and artificial fish swarm optimization based LSSVM. JOURNAL OF VIBRATION AND SHOCK, 2017, 36(15): 203-209.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2017/V36/I15/203

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