システム制御情報学会論文誌
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
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23 巻, 10 号
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論文
  • リスク下の選択に対するマルチエージェント・シミュレーション
    西﨑 一郎, 林田 智弘
    2010 年 23 巻 10 号 p. 227-235
    発行日: 2010年
    公開日: 2011/05/21
    DOIhttps://doi.org/10.5687/iscie.23.227
    ジャーナル フリー
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    In this paper, we develop a simulation system with artificial autonomous adaptive agents selecting one out of a given pair of binary lotteries which are represented by probability distributions over two outcomes. Agent’s decisions are made by a learning classifier system, and after classifying information of a given pair of binary lotteries, an agent chooses one out of them. The condition part of a classifier consists of conditions identifying probabilities and payoffs of a pair of binary lotteries and conditions identifying characteristics of the lotteries known by several models describing behavioral regularities of choices under risk. We compare the result of the simulation with that of the experiment by Selten et al. (1999), and demonstrating the similarity between them, we consider a mechanism of human choices under risk. Finally, we examine the possibility of controlling a subject’s preference with respect to risky events by the lottery ticket procedure.
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  • Particle Swarm Optimizationに基づく周波数領域におけるシステム同定
    和田 尭, 杉江 俊治
    2010 年 23 巻 10 号 p. 236-242
    発行日: 2010年
    公開日: 2011/05/21
    DOIhttps://doi.org/10.5687/iscie.23.236
    ジャーナル フリー
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    The paper proposes a frequency domain identification method for linear continuous-time systems including delay ones. The model parameters are estimated by minimizing the cost functions which are appropriate for open/closed loop. The minimization is achieved through Particle Swarm Optimization, which attracts a lot of attention recently in the evolutionary computation area due to its empirical evidence of its superiority. Its effectiveness is demonstrated by numerical examples. In addition, a comparison with the existing optimization method is given to show the robustness of the proposed method. Furthermore, an experimental evaluation using a magnetic levitation system is performed.
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