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取水泵站能效的模型預測控制
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江蘇省自然科學基金資助項目(SBK201121841);湖北省自然科學基金資助項目(2011CDB277)


Model Predictive Control of Energy Efficiency of an Intake Pump Station
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    摘要:

    在研究取水泵站能量模型及能效開環(huán)優(yōu)化控制基礎上,提出一種系統(tǒng)級的運行效率模型預測控制方法,。本控制方法以定速泵運行狀態(tài)為優(yōu)化變量,,以泵站總能源費用最小為目標,。目標函數(shù)融入了分時電價及取水口水位等變量,,并處理了總用水量、清水池水位高低限等約束,。以一座配置定速泵的取水泵站為例,,對開環(huán)優(yōu)化及模型預測控制方法分別進行了仿真研究和對比分析。驗證了能效模型預測控制方法的有效性及其處理變量預測誤差的性能,。提出的控制方法還能實現(xiàn)需求側優(yōu)化管理,,有助于電網(wǎng)“移峰填谷”策略的實施。

    Abstract:

    The energy model of an intake pump station was firstly introduced. Then, an open loop optimal control approach and a model predictive control (MPC) approach were introduced to improve the operational efficiency of intake pump stations. They lump time of use (TOU) tariff and intake level into their objective functions, and take total water consumption and the low and high limit of the clean water reservoir as constraints as well. An intake pump station, equipped with three constant speed pumps, was taken as a case study. The conventional optimal control and the MPC approach were investigated, respectively. The advantage of the MPC approach was convinced by the simulation results. Further, the load shifting of intake pump stations was also achieved through the proposed control approaches.

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唐玉玲,張世榮.取水泵站能效的模型預測控制[J].農(nóng)業(yè)機械學報,2013,44(3):50-54. Tang Yuling, Zhang Shirong. Model Predictive Control of Energy Efficiency of an Intake Pump Station[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(3):50-54.

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  • 在線發(fā)布日期: 2013-02-25
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