Results 11 to 20 of about 9,870 (187)

Challenges, Strategies and Key Technologies for Virtual Power Plants in Market Trading [PDF]

open access: yes, 2023
With the massive access to renewable power generation and the advancement of the marketization process, the development prospects of virtual power plants that can give full play to the value of flexible resources have gradually emerged. In the process of
CHEN Haoyong   +6 more
core   +1 more source

考虑物流特性用于削峰填谷的纯电重卡双层协调优化调度方法 [PDF]

open access: yes全球能源互联网
针对纯电重卡大规模充电给电网带来的负荷峰值大、运行成本高等问题,提出了用于削峰填谷的双层协调优化调度方法。首先,考虑物流特性对纯电重卡进行负荷预测,并获取纯电重卡的行驶行为,得到充电负荷曲线,同时利用模糊C均值聚类将充电负荷分为可调度与不可调度两类,计算其可调度潜力;其次,以总负荷方差最小为目标函数,构造上层优化模型,制定纯电重卡日充电方案;然后,将上层寻优的日充电方案传递到下层,考虑柔性时间窗约束,以纯电重卡运行成本最低为目标函数,构造下层优化模型,实现考虑充电负荷方差与运行成本的双层优化调度;最后 ...
胡文东   +4 more
doaj   +1 more source

A Multi-Agent Evolutionary algorIthm for Connector-Based Assembly Sequence Planning [PDF]

open access: yes, 2001
Some Evolutionary algorithms for connector-based ASP have been researched. But those algorithms have lots of blind searching because individuals have little intelligence in making use of geometry and assembly process information of product assembly body.
Zeng, Congwen   +3 more
core   +3 more sources

Multi-Power Coordinated Optimization Operation Strategy Considering Conditional Value at Risk [PDF]

open access: yes, 2023
In order to achieve carbon peaking and carbon neutrality goals, the power system presents the trend of extensive access of multiple power sources. A multi-power coordination bi-level optimal operation model was proposed.
FENG Caoyi   +7 more
core   +1 more source

面向调频应用的扁管式可逆固体氧化物电堆控制特性分析 [PDF]

open access: yes全球能源互联网, 2022
良好的电化学动态响应性能以及功率输出的长期耐久性是高温可逆固体氧化物电池(reversible solid oxide cell,RSOC)应用于调频等电力辅助服务的技术基础。针对一种新型内嵌微流道的扁管式电堆,从调频控制的角度,试验考察了RSOC电堆的发电/电解工作控制特性、负荷动态响应特性以及长时间运行衰减特性。结果表明,新型电堆燃料传质特性良好,可优先选择氢气流量、水氢比、工作温度等参数实现对应发电/电解模式下的调频应用控制。在温度控制不变的情况下,动态试验表明了新型电堆受传质/传热影响 ...
高丹慧   +6 more
doaj   +1 more source

MPSoC mapping and scheduling approach with multi-grained communication optimizations(多粒度通信优化的MPSoC调度映射策略)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2017
随着嵌入式系统处理器核数的增加,映射与调度成为软件开发的关键.为了提升系统性能,需要格外关注映射与调度过程中的通信开销.现有的粗粒度系统级或细粒度线程级通信优化虽然能提升性能,但都各有缺陷.为此,提出了基于整数线性规划的用于Simulink模型的多粒度通信优化映射与调度策略,将不同粒度的通信优化方法相结合,实现优势互补.实验结果表明,该方法能有效提高系统的整体性能.
CAITiantian(蔡田田)   +4 more
doaj   +1 more source

“东数西算”背景下贵州省大数据产业发展现状、问题与对策

open access: yes大数据, 2023
“东数西算”工程是基于国家战略、区域协同、能源优化、产业技术发展的科学规划,是为了实现全国算力规模化、集约化以及跨域调度,优化算力资源的全国一体化空间布局。基于数字经济发展和数字产业生态体系的视角,分析贵州在“东数西算”背景下的数字经济产业基础,并从算力资源建设、数据流通、数据应用等角度提出对策建议。
邓伟, 邓周灰
doaj   +1 more source

分布鲁棒优化在综合能源系统调度与规划中的应用综述 [PDF]

open access: yes, 2023
随着大量分布式电源、多能负荷等接入综合能源系统,源侧与荷侧的不确定性给综合能源系统规划与运行带来了挑战。如何针对这些不确定因子搭建相应的模型,形成安全、经济、高效的运行方案,是目前亟需解决的问题。从不确定性问题入手,系统阐述了分布鲁棒优化理论在综合能源系统中的应用,总结了其典型的应用场景,并与电力系统进行对比。其中,以基于矩信息和基于概率距离的分布鲁棒优化模型为例,从模型、求解方法以及应用等方面分析了各自的优缺点。最后,结合当前综合能源系统的发展趋势 ...
于馨玮, 仉志华, 陈继明*
core   +1 more source

Optimized scheduling mechanism based on IEEE 802.1Qch standard in time-sensitive networking [PDF]

open access: yes, 2022
To address the problem of complex gating planning for generic time-aware shaper (TAS), a traffic scheduling mechanism of adaptive queue buffer size and hardware time slot length was proposed with the help of IEEE 802.1Qch standard.Taking traffic and ...
Hongrui NIE, Shaosheng LI, Yong LIU
core   +1 more source

虚拟电厂供需侧双层协调自适应鲁棒优化调度 [PDF]

open access: yes全球能源互联网
源荷预测是虚拟电厂(virtual power plant,VPP)制定未来调度计划的重要依据。提出一种基于多频组合短期源荷预测的VPP发电侧和用户侧协同优化调度方法。首先对时间序列的负荷数据进行集合经验模态分解(ensemble empirical mode decomposition,EEMD),并将其重构为高低2种频率,使用图卷积神经网络(graph convolution network,GCN)和长短期记忆网络(long short-term memory,LSTM)相结合的GCN ...
吕小红*, 刘维, 刘克恒, 蒋婧
doaj   +1 more source

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