基于潜在状态序列推演的污水处理加药控制方法、装置、设备及介质

By using a wastewater treatment dosing control method based on potential state sequence deduction, and by generating and evaluating candidate dosing actions using state coding networks and state transition models, the method solves the problems of lag and model mismatch in traditional dosing control systems, achieves proactive control and effluent stability, and reduces operating costs.

CN122194935BActive Publication Date: 2026-07-17XINTONG EMPOWERMENT (CHANGSHA) ARTIFICIAL INTELLIGENCE IND APPLICATION SYSTEM CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XINTONG EMPOWERMENT (CHANGSHA) ARTIFICIAL INTELLIGENCE IND APPLICATION SYSTEM CO LTD
Filing Date
2026-05-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing dosing control systems are slow to react to emergencies such as combined sewer overflows caused by rainfall or illegal nighttime industrial wastewater discharges, resulting in process delays, decision-making blind spots, and mismatched mechanistic models, leading to reagent waste and sludge increase, making it difficult to achieve proactive control.

Method used

A wastewater treatment chemical dosing control system is constructed using a latent state sequence deduction method, through state coding network and state transition model. Candidate dosing actions are generated by using hidden state vectors and policy networks, and the dosing control actions are evaluated and optimized based on value network, thus achieving proactive control by deduction before execution.

Benefits of technology

It enables multi-step sequence deduction and strategy evaluation in the potential state space, avoiding the response delay and mechanism model mismatch of traditional feedback control, reducing reagent waste and operating costs, and improving the stability of effluent and the robustness of the control system.

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Abstract

本申请公开了基于潜在状态序列推演的污水处理加药控制方法、装置、设备及介质,涉及自动控制技术领域,对污水处理工艺中的多维运行参数和历史加药量进行预处理;将预处理后的数据输入至状态编码网络,得到隐状态向量;将隐状态向量和预处理后的历史加药量输入至策略网络,输出多个加药量候选动作;基于状态转移模型,对不同加药量控制动作下的状态演化进行预测,得到对应的潜在状态演化序列;将各潜在状态演化序列输入至价值网络进行评估,输出对应的累计回报评分;基于各累计回报评分对加药量控制动作排序,以确定目标加药量控制动作,以实现污水处理加药控制,实现智能化的污水处理加药控制,解决传统反馈控制的响应延迟及机理模型失配的问题。
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