Intelligent Pump Operation and River Diversion Systems for Urban Storm Management

Abstract

AbstractLarge-scale networks of sewer pipes, control gates, and pump stations are the primary facilities of urban drainage systems for mitigating flood risks. During flooding periods, cooperation of pumps and control gates plays a major role in efficiently reducing flood inundation. In this study, a real-time optimization approach is developed to find optimal policies for collaborative operation of drainage facilities, including detention storage and control gates, and multiple pump stations. The online approach is a predictive control scheme based on a harmony search algorithm that provides actively optimal operational policies according to real-time rainfall information. Operational models are applied to a prototype network in a portion of the Seoul urban drainage system, and results are compared with those of traditional operating rules. A high efficiency for the operational model of both the river diversion system and pump stations in terms of flood mitigation is demonstrated. For the river diversion ...