基于遗传算法的污水处理过程优化控制方法

Method of optimal control for wastewater treatment process based on genetic algorithms

分析和研究了在限制有机物排放总量条件下,污水处理运行费用最低的优化控制问题,给出污水处理过程中多变量最优控制的数学模型,提出一种采用遗传算法求解污水处理过程优化控制问题新的计算方法,论述了二进制编码、适应度函数计算的设计与实现方法。该方法避免了对迭代初值进行猜测的困难,提高了计算效率。数值仿真说明在污水处理过程中采用遗传算法寻优是可行和有效的。

A kind of genetic algorithms for muhivariable optimal control of wastewater treatment process with the lowest operational cost by limiting total substrate discharge is presented, a mathematic model of wastewater treatment process, and the new method of design and implement for optimal control problem are developed in this paper. It avoids the difficulty of guessing iteration initial value and improves calculate efficiency, and the simulation shows that it is capable for optimal control of wastewater treatment process based on genetic algorithms.