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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。
This paper analyzes and studies the optimal control problem with the lowest operating cost of sewage treatment under the condition of limiting the total amount of organic pollutants discharged and gives the mathematical model of multivariable optimal control in the sewage treatment process and proposes a genetic algorithm to solve the optimal control of the sewage treatment process Problems of new calculation methods, discusses the binary coding, fitness function calculation design and implementation methods. This method avoids the difficulty of guessing the iterative initial value and improves the computational efficiency. Numerical simulation shows that it is feasible and effective to use genetic algorithm to optimize wastewater treatment.