生化反应过程是城市污水处理的核心环节，其优化运行是城市污水处理系统安全稳定的前提。围绕生化反应过程优化运行亟待解决的挑战性问题，项目研究基于数据和知识的协同优化控制方法，提高污水处理效率。首先，研究城市污水处理生化反应过程运行的知识表达方法，建立基于运行数据和经验知识的生化反应过程动态多目标优化模型，解决生化反应过程优化运行目标难以确定的问题；其次，研究目标数不固定的多目标优化方法和时间多尺度多目标协同优化方法，解决生化反应过程操作变量的在线设定问题；最后，研究基于自组织模糊神经网络的优化控制方法，完成生化反应优化控制器的设计，保证生化反应过程稳定高效运行。项目的研究工作既能够促进协同优化控制理论的发展，又能够为城市污水处理过程稳定高效运行提供技术支撑，具有较高的理论研究价值和广阔的应用前景。

The biochemical reaction process is the core link of urban wastewater treatment, and its optimizing operation is the premise of the safety and stability of urban wastewater treatment process. The project concerns the challenges and questions having to be settled urgently of optimizing operation of the biochemical reaction process and aims to research the collaborative optimization control method based on the data and knowledge to improve the efficiency of urban wastewater treatment. First, by researching knowledge representation method of biochemical reaction operation process, a dynamic multi-objective optimizing operation model of the whole biochemical reaction process is built based on the operation data and knowledge to solve the problem that the optimizing operation object of the biochemical reaction process is difficult to be ensured; Second, by researching the multi-objective optimization method for the uncertain number of objects and exploring multi time-scale and multi-objective collaborative optimization method, the optimization of the operation object of the whole biochemical reaction is achieved to solve the problem of the online setting of operation variables in the biochemical reaction process; Last, by researching the collaborative optimization method based on the self-organizing fuzzy neural network, the design of controller for the collaborative optimization of the whole biochemical reaction process is achieved to ensure the stable and high-efficient operation of the process. The project research work can both improve the development of intelligence control theory and provide technical support for the stable and high-efficient operation of the biochemical reaction process in the urban wastewater treatment, which has high theoretical research value and broad application prospect.