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多风险下风电商并网动态决策优化模型 被引量:1
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作者 叶涛 雷霞 +1 位作者 杨毅 戴诗容 《电力系统及其自动化学报》 CSCD 北大核心 2015年第12期30-35,84,共7页
采用条件风险价值作为风险计量指标,针对风电出力及市场电价随机性的多风险特点,分析了风电发展进入优势期参与实时市场并网交易的市场结构,建立了风电商计及多风险的动态决策优化模型。该模型考虑了风电商各时段决策对后续竞拍环境的... 采用条件风险价值作为风险计量指标,针对风电出力及市场电价随机性的多风险特点,分析了风电发展进入优势期参与实时市场并网交易的市场结构,建立了风电商计及多风险的动态决策优化模型。该模型考虑了风电商各时段决策对后续竞拍环境的动态响应,采用序列运算理论描述市场电价的不确定性,以核密度估计方法对出力进行估计,通过调整竞价决策来获得全时段总收益最大化的目标。通过算例仿真以及与静态决策优化模型的对比,验证了该模型的有效性和实用性。 展开更多
关键词 多风险 序列运算理论 核密度估计 多时段优化 动态响应 竞拍决策
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Information Revelation in Sequential Auctions with Uncertainties About Future Objects
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作者 HU Erqin ZHAO Yong RAO Congjun 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2016年第6期1617-1628,共12页
In many auctions,buyers know beforehand little about objects to be sold in the future.Whether and how to reveal information about future objects is an important decision problem for sellers.In this paper,two objects a... In many auctions,buyers know beforehand little about objects to be sold in the future.Whether and how to reveal information about future objects is an important decision problem for sellers.In this paper,two objects are sold sequentially and each buyer's valuation for the second object is k times that for the first one,and the true value of k is sellers' private information.The authors identify three factors which affect sellers' revelation strategies: The market's competition intensity which is characterized by the number of buyers,buyers' prior information about the second object,and the difference degree between two objects which is characterized by k.The authors give not only conditions under which revealing information about the second object in advance benefits the seller,but also the optimal releasing amount of information in the market with two sellers and one seller,respectively. 展开更多
关键词 Future objects revelation strategy sequential auctions unit-demands.
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