[1]尹洪位,卢星宏,周天寿*.封闭式光生物反应器中微藻生长的建模与控制[J].江西师范大学学报(自然科学版),2023,(04):342-349.[doi:10.16357/j.cnki.issn1000-5862.2023.04.03]
　YIN Hongwei,LU Xinghong,ZHOU Tianshou*.The Modeling and Controlling of Microalga Growth in Closed-Form Photo Bioreactors[J].Journal of Jiangxi Normal University:Natural Science Edition,2023,(04):342-349.[doi:10.16357/j.cnki.issn1000-5862.2023.04.03]
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封闭式光生物反应器中微藻生长的建模与控制()
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《江西师范大学学报》（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2023年04期
页码:
342-349
栏目:
数学与应用数学
出版日期:
2023-07-25

文章信息/Info

Title:
The Modeling and Controlling of Microalga Growth in Closed-Form Photo Bioreactors
文章编号:
1000-5862(2023)04-0342-08
作者:
尹洪位1; 卢星宏2; 周天寿3*
(1.徐州工程学院数学与统计学院,江苏 徐州 221111; 2.南昌新生生物科技有限公司,江西 南昌 330096; 3.中山大学数学学院,广东 广州 510275)
Author(s):
YIN Hongwei1;  LU Xinghong2;  ZHOU Tianshou3*
(1.School of Mathematics and Statistics, Xuzhou University of Technology, Xuzhou Jiangsu 221111, China; 2.Nanchang New Biological Technology Company Limited, Nanchang Jiangxi 330096, China; 3.School of Mathematics, Sun Yat-sen University, Guangzhou Guangdong 510275, China)
关键词:
光生物反应器;  微藻生长;  数学建模;  光照;  温度
Keywords:
photo bioreactor;  microalga growth;  mathematical modeling;  illumination;  temperature
分类号:
Q 935
DOI:
10.16357/j.cnki.issn1000-5862.2023.04.03
文献标志码:
A
摘要:
如何取得最大生产效果是光生物反应器控制领域的一个关键且未完全解决的问题.该文首先把在本项目设计的光生物反应器中的微藻生长这一复杂问题抽象为一个3-状态动力学模型,然后通过模型分析显示:存在光照和温度的某种联合效果,使得微藻生长率达到最大,并导出了取得这种最大生长率的光照强度和温度必须满足的一个约束条件,即一个非线性代数方程.进一步显示:假如光照和温度的联合影响函数可以近似解耦,则当光照强度弱于或强于某个光照饱和度时,可以分别通过升温或降温的补偿办法来取得最大的生长率.该模型可以作为理解在光生物反应器中微藻生长控制的第1步,且所得结果有利于设计高效的、智能控制的光生物反应器.
Abstract:
How the maximum production efficiency is achieved a key yet unsolved issue in the photo bioreactor control field. Here the complex issue of microalga growth in the photo bioreactor designed by this project is first transformed into a 3-state dynamical model.Then,model analysis shows that there is some joint effect of illumination and temperature such that the microalga growth rate achieves the maximum for which a constrained condition(i.e.,a nonlinear algebraic equation)of illumination and temperature.Furthermore, it is shown that if the joint influence function of illumination and temperature can be approximately decoupled, then when illumination intensity is weaker or stronger than a critical value, the maximum growth rate can be achieved through a temperature-rising or -lowering method.While the model developed here may be taken as the first step toward understanding the control of microalga growth in a photo bioreactor,the results obtained here are helpful to designing highly efficient,intelligence-control photo bioreactor.

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备注/Memo

备注/Memo:
收稿日期:2023-06-05
基金项目:国家自然科学基金面上课题(11775314)资助项目.
通信作者:周天寿(1962—),男,江西南昌人,教授,博士,博士生导师,主要从事生物数学的研究.E-mail:mcszhtch@mail.sysu.edu.cn
更新日期/Last Update: 2023-07-25