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
魚群行動を表わす物理モデルの妥当性の検討
三宮 信夫中峯 浩岩崎 永弥
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1990 年 3 巻 1 号 p. 14-20

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In this paper, a physical model is presented for describing the behavior of fish in a water tank. The system equation includes several nonlinear terms representing the main causes for fish motion, which are introduced under the physical consideration. The model parameters are estimated by applying the least squares algorithm. It is observed from a water tank experiment that, in the case of small school, an individual acts as a leader and the others as followers. The parameter values estimated reflect the role of each individual in the school. Three models are proposed as an appropriate functional form of the interactive force. The best form is determined by examining a simulation result for the behavior of fish school encountered by a leader net.

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