一种阶段结构种群的最优策略(英文)  

Optimal Strategy of a State-structured Population

作　　者：杨海霞[1] 

机构地区：[1]甘肃联合大学师范学院,兰州730000

出　　处：《科学技术与工程》2010年第27期6715-6718,共4页Science Technology and Engineering

摘　　要：研究了一个阶段结构鱼群的捕获模型,该模型具有幼年和成年两个生长阶段。当幼年和成年种群同时收获时,从控制论的观点出发对所研究模型的最优收获策略进行了研究。最优策略是bang-bang和奇异控制的结合。A stage-structured fishing model with two life stages,immature and mature is studied.The optimal harvesting policy for the considered population is studied from the view point of control theory when the immature and mature are harvesting simultaneously.Optimal strategy is a combination of bang-bang and singular controls.

关 键 词：最优策略 阶段结构 最大值原理 

分 类 号：O175.1[理学—数学]