As the current global environment is deteriorating,distributed renewable energy is gradually becoming an important member of the energy internet.Blockchain,as a decentralized distributed ledger with decentralization,t...As the current global environment is deteriorating,distributed renewable energy is gradually becoming an important member of the energy internet.Blockchain,as a decentralized distributed ledger with decentralization,traceability and tamper-proof features,is an importantway to achieve efficient consumption andmulti-party supply of new energy.In this article,we establish a blockchain-based mathematical model of multiple microgrids and microgrid aggregators’revenue,consider the degree of microgrid users’preference for electricity thus increasing users’reliance on the blockchainmarket,and apply the one-master-multiple-slave Stackelberg game theory to solve the energy dispatching strategy when each market entity pursues the maximum revenue.The simulation results show that the blockchain-based dynamic game of the multi-microgrid market can effectively increase the revenue of both microgrids and aggregators and improve the utilization of renewable energy.展开更多
为响应船舶避碰领域研究对高效基础工具的需求,开发了一款轻型且易于操作的船舶自动避碰仿真测试平台。该平台基于MMG(maneuvering mathematical model group)船舶运动模型原理构建,采用Pygame编程框架,在设计上追求简约,于功能上注重高...为响应船舶避碰领域研究对高效基础工具的需求,开发了一款轻型且易于操作的船舶自动避碰仿真测试平台。该平台基于MMG(maneuvering mathematical model group)船舶运动模型原理构建,采用Pygame编程框架,在设计上追求简约,于功能上注重高效,可模拟有风流情况下的船舶运动过程。其轻量级特质保障了平台运行的流畅性,且具备良好的可扩展性,为智能避碰算法的研发与验证提供了有力支撑。借助此平台,研究人员能够更便捷、快速地测试与优化避碰算法,推动船舶避碰技术的不断进步与发展。展开更多
A chance-constrained energy dispatch model based on the distributed stochastic model predictive control(DSMPC)approach for an islanded multi-microgrid system is proposed.An ambiguity set considering the inherent uncer...A chance-constrained energy dispatch model based on the distributed stochastic model predictive control(DSMPC)approach for an islanded multi-microgrid system is proposed.An ambiguity set considering the inherent uncertainties of renewable energy sources(RESs)is constructed without requiring the full distribution knowledge of the uncertainties.The power balance chance constraint is reformulated within the framework of the distributionally robust optimization(DRO)approach.With the exchange of information and energy flow,each microgrid can achieve its local supply-demand balance.Furthermore,the closed-loop stability and recursive feasibility of the proposed algorithm are proved.The comparative results with other DSMPC methods show that a trade-off between robustness and economy can be achieved.展开更多
为提高海上搜救效率,提出一种基于船舶操纵运动数学模型研究小组(Ship Manoeuvring Mathematical Model Group,MMG)模型的船舶动态扇形自动搜寻模式。在充分考虑风、流等外界扰动影响的基础上,不需要额外进行风、流等漂流模型的推算,以M...为提高海上搜救效率,提出一种基于船舶操纵运动数学模型研究小组(Ship Manoeuvring Mathematical Model Group,MMG)模型的船舶动态扇形自动搜寻模式。在充分考虑风、流等外界扰动影响的基础上,不需要额外进行风、流等漂流模型的推算,以Matlab软件中Simulink模块为工具进行仿真。仿真结果表明:在不依赖GPS船位的前提下,船舶的航向、舵角、航速均符合航海实践要求。该搜寻模式可提高应对海上突发事故的搜救能力,从而减少突发事故中的人员伤亡和财产损失。展开更多
中国五矿与澳大利亚OZ矿业公司的交易17日完成交割。OZ矿业经结算调整获得13．54亿美元资金，而五矿获得OZ矿业大部分核心矿产。在完成收购后，五矿将在澳洲注册成立一家新公司——Minemlsand Mining Group Limited（MMG），以管理开发...中国五矿与澳大利亚OZ矿业公司的交易17日完成交割。OZ矿业经结算调整获得13．54亿美元资金，而五矿获得OZ矿业大部分核心矿产。在完成收购后，五矿将在澳洲注册成立一家新公司——Minemlsand Mining Group Limited（MMG），以管理开发这些资产。展开更多
基金This research was funded by the NSFC under Grant No.61803279in part by the Qing Lan Project of Jiangsu,in part by the China Postdoctoral Science Foundation under Grant Nos.2020M671596 and 2021M692369+3 种基金in part by the Suzhou Science and Technology Development Plan Project(Key Industry Technology Innovation)under Grant No.SYG202114in part by the Open Project Funding from Anhui Province Key Laboratory of Intelligent Building and Building Energy Saving,Anhui Jianzhu University,under Grant No.IBES2021KF08in part by the Postgraduate Research&Practice Innovation Program of Jiangsu Province under Grant No.KYCX23_3320in part by the Postgraduate Research&Practice Innovation Program of Jiangsu Province under Grant No.SJCX22_1585.
文摘As the current global environment is deteriorating,distributed renewable energy is gradually becoming an important member of the energy internet.Blockchain,as a decentralized distributed ledger with decentralization,traceability and tamper-proof features,is an importantway to achieve efficient consumption andmulti-party supply of new energy.In this article,we establish a blockchain-based mathematical model of multiple microgrids and microgrid aggregators’revenue,consider the degree of microgrid users’preference for electricity thus increasing users’reliance on the blockchainmarket,and apply the one-master-multiple-slave Stackelberg game theory to solve the energy dispatching strategy when each market entity pursues the maximum revenue.The simulation results show that the blockchain-based dynamic game of the multi-microgrid market can effectively increase the revenue of both microgrids and aggregators and improve the utilization of renewable energy.
文摘为响应船舶避碰领域研究对高效基础工具的需求,开发了一款轻型且易于操作的船舶自动避碰仿真测试平台。该平台基于MMG(maneuvering mathematical model group)船舶运动模型原理构建,采用Pygame编程框架,在设计上追求简约,于功能上注重高效,可模拟有风流情况下的船舶运动过程。其轻量级特质保障了平台运行的流畅性,且具备良好的可扩展性,为智能避碰算法的研发与验证提供了有力支撑。借助此平台,研究人员能够更便捷、快速地测试与优化避碰算法,推动船舶避碰技术的不断进步与发展。
基金Supported by the National Natural Science Foundation of China(No.U24B20156)the National Defense Basic Scientific Research Program of China(No.JCKY2021204B051)the National Laboratory of Space Intelligent Control of China(Nos.HTKJ2023KL502005 and HTKJ2024KL502007)。
文摘A chance-constrained energy dispatch model based on the distributed stochastic model predictive control(DSMPC)approach for an islanded multi-microgrid system is proposed.An ambiguity set considering the inherent uncertainties of renewable energy sources(RESs)is constructed without requiring the full distribution knowledge of the uncertainties.The power balance chance constraint is reformulated within the framework of the distributionally robust optimization(DRO)approach.With the exchange of information and energy flow,each microgrid can achieve its local supply-demand balance.Furthermore,the closed-loop stability and recursive feasibility of the proposed algorithm are proved.The comparative results with other DSMPC methods show that a trade-off between robustness and economy can be achieved.
文摘为提高海上搜救效率,提出一种基于船舶操纵运动数学模型研究小组(Ship Manoeuvring Mathematical Model Group,MMG)模型的船舶动态扇形自动搜寻模式。在充分考虑风、流等外界扰动影响的基础上,不需要额外进行风、流等漂流模型的推算,以Matlab软件中Simulink模块为工具进行仿真。仿真结果表明:在不依赖GPS船位的前提下,船舶的航向、舵角、航速均符合航海实践要求。该搜寻模式可提高应对海上突发事故的搜救能力,从而减少突发事故中的人员伤亡和财产损失。
