防洪预警和防洪调度作为防洪减灾的两项非工程措施,在水库防洪运用中起着至关重要的作用。将防洪预警与梯级水库防洪调度结合起来,采用模糊集理论计算预警指标,并进一步确定预警指数与预警等级,制定预警对策,建立了梯级水库防洪预警体系;在此基础上构建了考虑预警的梯级水库群防洪调度模型,利用布谷鸟算法进行求解,获得最优预警对策和调度结果。结果表明,考虑预警的梯级水库防洪调度比基于泄量控制图的梯级水库防洪模拟调度更为安全可靠,为梯级水库群的防洪预警和调度提供了一种新思路。
Flood early warning and flood control operation are two non-engineering measures for flood defense, both playing a key role in reservoir flood control. This paper develops a flood warning system for cascade reservoirs combining these two measures and a flood control operation model considering early warning in the upper Yellow River for flood control and disaster reduction. To calculate the early warning indicators of the system, a fuzzy set theory is used and the early warning indexes and levels are verified using the indicators. This model is solved using the cuckoo search method, and optimal early warning countermeasures and optimal operation schemes are obtained. Results show that flood control operation models considering early warning are more reliable than the flood control scheduling simulation model, providing a new approach to the flood control of cascade reservoirs.