一类具有反馈控制的离散系统的持久性  

Permanence of a class of distrete system with feedback controls

作　　者：惠富春[1] 杜斌[1] 黄灿云[1] 

机构地区：[1]兰州理工大学理学院,甘肃兰州730050

出　　处：《兰州理工大学学报》2010年第3期148-151,共4页Journal of Lanzhou University of Technology

基　　金：兰州理工大学博士基金(BS10200903)的资助.

摘　　要：研究一类具有反馈控制和时滞因素的离散种群系统的持久性,利用差分比较原理得到系统持续生存的充分条件,并举例进行数值模拟,显示所得结果的可靠性.The permanence of a class of discrete species system with feedback control and time delay was investigated.By using comparision principle of difference,the sufficient conditions were obtained for the permanence of the system,and its numerical simulation was performed with an example,showing the reliability of the result obtained.

关 键 词：持久性 反馈控制 时滞 比较原理 

分 类 号：O175.1[理学—数学]