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Input-to-State Stability of Impulsive Hybrid Systems With Stochastic Effects

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Input-to-State Stability of Impulsive Hybrid Systems With St...

第24届中国控制与决策会议

作者： Zhichun Yang, Weisong Zhou department of mathematics chongqing normal university chongqing 400047, PR china

In this paper, a class of hybrid impulsive systems with stochastic effects is considered. In light of the conventional input-to-state stability （ISS） and its various extensions （i-ISS, e-ISS and ei-ISS）, we propose novel criteria on ISS, i-ISS, e-ISS and ei-ISS in mean square and obtain some sufficient conditions ensuring the ISS properties for the impulsive stochastic systems.

关键词： impulsive stochastic systems impulsive effects Input-to-state stability (ISS).

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罚函数法在向量似变分不等式中的应用

系统工程理论与实践 2011年第S1期31卷 120-123页

作者：刘彩平杨新民西南财经大学经济数学学院成都611130 重庆师范大学数学学院重庆400047

应用距离函数作为罚函数,建立了向量似变分不等式与向量罚优化问题之间的关系,得到了非光滑向量似变分不等式解的必要和充分条件.讨论了一些具体情况下的相应结果.

关键词：罚函数向量似变分不等式向量优化

Synchronization In Agents Harvesting Game With Regional Nature

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Synchronization In Agents Harvesting Game With Regional Natu...

2010 Chinese Control and Decision Conference

作者： Jianxin Wu~1,Zhichun Yang~2 1.Tianjin Binhai Comprehensive Development Institute,Tianjin 300457,china 2.Key Lab of Operations Research and Systems Engineering,department of mathematics,chongqing normal university chongqing 400047,china

＜正＞In this paper,we consider multiple agents harvesting natural *** agent has two harvesting strategies,moderate or *** Agent is located at vertex of a graph,its neighborhood in the graph represents its local *** local nature can be healthy or damaged according to a fitness function,which depends on its previous value,its recovery ability,the agent’s harvesting strategy and its neighbors’ *** income of agents can be described by a snowdrift *** each game round,each agent will adopt the harvesting strategy of the most successful one in its *** analysis of the model is *** show that both complete synchronization and periodic synchronization can happen.

关键词： Synchronization Snowdrift game Natural harvest Multi-agent systems

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关于图论码的进一步分析

四川轻化工学院学报 2003年第1期16卷 30-33页

作者：王开弘重庆师范学院数学与计算机科学系重庆400047

图论码是由一类简单无环图构造的一类特殊码,它的编码方式是由一个图的顶点所关联的边来建立编码关系。文章对图论码进行研究并得出一些结论,并对完全图所对应的图论码是等重码进行了讨论。

关键词：图论码图关联矩阵等重码

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自反巴拿赫空间内的广义强非线性变分不等式

山西师范大学学报（自然科学版） 2007年第1期21卷 22-24页

作者：高静彭建文重庆师范大学数学与计算机科学学院重庆400047

文中我们在自反巴拿赫空间内研究了一类广义强非线性变分不等式,通过应用极小极大不等式和辅助原理技巧,广义强非线性变分不等式的某些存在唯一性定理在自反巴拿赫空间内被证明.

关键词：广义强非线性变分不等式极小极大不等式自反巴拿赫空间

Communication Resources Allocation for Time Delay Reduction of Frequency Regulation Service in High Renewable Penetrated Power System

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CSEE Journal of Power and Energy Systems 2024年第2期10卷 468-480页

作者： Hongjie He Ning Zhang chongqing Kang Song Ci Fei Teng Goran Strbac State Key Laboratory of Power Systems Department of Electrical EngineeringTsinghua UniversityBeijing 100084China department of Electrical and Electronic Engineering Imperial College LondonSW72BULondonU.K

The high renewable penetrated power system has severe frequency regulation *** resources can provide frequency regulation services but are limited by com-munication time *** paper proposes a communication resources allocation model to reduce communication time delay in frequency regulation *** device resources and wireless spectrum resources are allocated to distributed resources when they participate in frequency *** reveal impact of communication resources allocation on time delay reduction and frequency regulation ***,we study communication resources allocation solution in high renewable energy penetrated power *** provide a case study based on the HRP-38 *** show communication time delay decreases distributed resources'ability to provide frequency regulation *** the other hand,allocating more communication resources to distributed resources'communica-tion services improves their frequency regulation *** power systems with renewable energy penetration above 70%,required communications resources are about five times as many as 30%renewable energy penetrated power systems to keep frequency performance the *** Terms-Communication resources allocation,commun-ication time delay,distributed resource,frequency regulation,high renewable energy penetrated power system.

关键词： Communication resources allocation communication time delay distributed resource frequency regulation high renewable energy penetrated power system

Low-Carbon Dispatching for Virtual Power Plant with Aggregated Distributed Energy Storage Considering Spatiotemporal Distribution of Cleanness Value

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Journal of Modern Power Systems and Clean Energy 2024年第2期12卷 346-358页

作者： Hongchao Gao Tai Jin Guanxiong Wang Qixin Chen chongqing Kang Jingkai Zhu State Key Laboratory of Power System Operation and Control Department of Electrical EngineeringTsinghua UniversityBeijing 100084China Sichuan Energy Internet Research Institute Tsinghua university Chengdu 200016China Power Dispatching and Control Center of Shanghai Municipal Electric Power Company Shanghai 200122China IEEE

The scale of distributed energy resources is increasing,but imperfect business models and value transmission mechanisms lead to low utilization ratio and poor *** address this issue,the concept of cleanness value of distributed energy storage(DES)is proposed,and the spatiotemporal distribution mechanism is discussed from the perspectives of electrical energy and *** on this,an evaluation system for the environmental benefits of DES is constructed to balance the interests between the aggregator and the power system ***,an optimal low-carbon dispatching for a virtual power plant(VPP)with aggregated DES is constructed,where-in energy value and cleanness value are both *** achieve the goal,a green attribute labeling method is used to establish a correlation constraint between the nodal carbon potential of the distribution network(DN)and DES behavior,but as a cost,it brings multiple nonlinear ***,a solution method based on the convex envelope(CE)linear re-construction method is proposed for the multivariate nonlinear programming problem,thereby improving solution efficiency and ***,the simulation verification based on the IEEE 33-bus DN is *** simulation results show that the multidimensional value recognition of DES motivates the willingness of resource users to ***,resolving the impact of DES on the nodal carbon potential can effectively alleviate overcompensation of the cleanness value.

关键词： Distributed energy storage virtual power plant(VPP) spatiotemporal distribution low-carbon dispatching

Optimal Virtual Battery Model for Aggregating Storage-Like Resources with Network Constraints

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CSEE Journal of Power and Energy Systems 2024年第4期10卷 1843-1847页

作者： Zhenfei Tan Ao Yu Haiwang Zhong Xianfeng Zhang Qing Xia chongqing Kang department of Electrical Engineering and Sichuan Energy Internet Research Institute Tsinghua UniversityBeijing 100084China Science and Technology Institute of china Three Gorges Corporation Hubei 430010China

A virtual battery(VB)provides a succinct interface for aggregating distributed storage-like resources(SLR)to interact with a utility-level *** overcome the drawbacks of existing VB models,including conservatism and neglecting network constraints,this paper optimizes the power and energy parameters of VB to enlarge its flexibility *** optimal VB is identified by a robust optimization problem with decision-dependent *** algorithm based on the Benders decomposition is developed to solve this *** proposed method yields the largest VB satisfying constraints of both network and *** studies verify the superiority of the optimal VB in terms of security guarantee and less conservatism.

关键词： Aggregation decision-dependent uncertainty flexibility robust optimization virtual battery

A Distributed Computing Algorithm for Electricity Carbon Emission Flow and Carbon Emission Intensity

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Protection and Control of Modern Power Systems 2024年第2期9卷 138-146页

作者： Xingping Wu Wei Yang Ning Zhang Chunlei Zhou Jinwei Song chongqing Kang Big Data Center of china Network Chinese Society of Electrical Engineering State Network Big Data Center department of Electrical Engineering Tsinghua UniversityBeijingChina 不详 Big Data Center State Grid Corporation of ChinaBeijing 100052China department of Electrical Engi-neering Tsinghua UniversityBeijingChina

The calculation of the indirect carbon emis-sion is essential for power system policy making,carbon market development,and power grid *** em-bedded carbon emissions of the electricity system are commonly calculated by carbon emission flow ***,the calculation procedure is time-consuming,especially for a country with 500-1000 thousand nodes,making it challenging to obtain nationwide carbon emis-sions intensity ***,the calculation procedure requires to gather all the grid data with high classified levels from different power grid companies,which can prevent data sharing and cooperation among different *** paper proposes a distributed computing algorithm for indirect carbon emission that can reduce the time consumption and provide privacy *** core idea is to utilize the sparsity of the nodes’flow matrix of the nationwide grid to partition the computing procedure into parallel sub-procedures exe-cuted in multiple *** flow and structure data of the regional grid are transformed irreversibly for pri-vacy protection,when transmitted between terminals.A 1-master-and-N-slave layout is adopted to verify the *** algorithm is suitable for large grid compa-nies with headquarter and branches in provinces,such as the State Grid Corporation of china.

关键词： Carbon emission flow cooperative computing carbon emission intensity matrix block par-tition power flow tracing parallel computing privacy protection