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Modeling and Simulation of Cascade Reservoirs Flood Control System Based on Hybrid Stochastic Timed Petri Nets

机译：基于混合随机定时Petri网的级联水库防洪系统建模与仿真

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摘要

Taking the cascade flood control system of guanyinge and shenwo reservoirs along taizi river as the research object, this paper discussed the hybrid characteristics about flood control system of cascade reservoirs, put forward a kind of hybrid stochastic timed Petri nets (HSTPN) to constructing the hybrid model and to analyzing the conversion relationship between the continuous variable dynamic system (CVDS) and the discrete event dynamic system (DEDS) in the flood control system, resolved problems such as the conflict of transitions, time-delay and fluctuation of water level and so on, and finally conducted the simulation analysis to the model based on HSTPN utilizing Simulink/Stateflow. Results turned out to be that the HSTPN could describe the hybrid characteristics of cascade reservoir flood control system, and advanced the conflicts of transitions, time-delay and random problems in the Petri nets. The last but not least, the flood control scheme introduced in this paper could limit the average discharge volume within the safe range which Liaoyang city and its downstream farmland are affordable.
机译：以观音阁和参窝水库梯级防洪体系沿太子河为研究对象，本文讨论了梯级水库的防洪体系混合的特点，提出了一种混合随机的时间Petri网（HSTPN）来构建混合模型，并分析连续变量动态系统（CVDS）和在洪水控制系统中的离散事件动态系统（DEDS），已解决的问题之间的转换关系如过渡的冲突，时间延迟和波动水位的等上，最后进行的模拟分析，以基于利用HSTPN的Simulink / Stateflow的模型。结果原来是该HSTPN可以描述梯级水库防洪系统的混合动力特性，并且先进的转变，时间延迟和随机的问题，在Petri网的冲突。在本文介绍的最后但并非最不重要的，防汛方案可能会限制在安全范围，其辽阳市及其下游农田负担得起的范围内的平均排放量。

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