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transactive Energy Trading in Reconfigurable Multi-carrier Energy Systems

Journal of Modern Power Systems and Clean Energy 2020年第1期8卷 67-76页

作者： Yifei Wang Zhiheng Huang Zhenhao Li Xi Wu Loi Lei Lai Fangyuan Xu School of Automation Guangdong University of TechnologyGuangzhouChina School of Electrical Engineering Southeast UniversityNanjingChina

The penetration of multi-carrier energy systems in distribution system gains more and more *** this paper,a bi-level transactive energy trading framework is proposed to improve the energy scheduling and operation efficiency for multi-carrier energy systems which are modeled as energy hubs(EHs).In the upper level,each EH in the distribution system not only makes energy scheduling decisions considering supplies and demands of local energy,but also trades energy with each other to further maximize their social *** associated trading payment among EHs is made in a fair manner by applying Nash bargaining *** solve the bargaining problem by decomposing it into two subproblems:operation cost minimization problem and payment bargaining ***,based on the trading decision,the nodal equivalent loads of EHs are sent to the distribution system operator(DSO)without publishing trading *** applying the second-order cone programming(SOCP),DSO reconfigures the network to reduce the transmission loss of the system in the lower *** network reconfiguration and the trading behavior of EHs interact and iterate until the *** studies on modified IEEE 33-bus distribution system demonstrate the effectiveness of the proposed framework.

关键词： Multi-carrier energy system energy hub(EH) transactive energy distribution reconfiguration Nash bargaining

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Characteristics of a transactive Phenomenon in Relationships among Older Adults with Dementia, Nurses as Intermediaries, and Communication Robot

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Intelligent Control and Automation 2017年第2期8卷 111-125页

作者： Kyoko Osaka Hiroko Sugimoto Tetsuya Tanioka Yuko Yasuhara Rozzano Locsin Yueren Zhao Kikuko Okuda Ken Saito Department of Nursing Institute of Biomedical Sciences Tokushima University Tokushima Japan Graduate School of Health Sciences Tokushima University Tokushima Japan Fujita Health University Toyoake Japan

Healthcare for older adults with dementia is an important healthcare problem in Japan and in other developed countries. Importantly, healthcare workers in Japan are also getting older. In order to address solutions to this problem, using robots is being realized and is starting to assist healthcare and welfare practice needs. The aim of this study was to identify the characteristics of a transactive phenomenon in relationships among older adults with dementia, with nurses as intermediaries and with a cognitive skill-aid robot. Subjects were two institutionalized older adults who were diagnosed with dementia using Hasegawa’s Dementia Scale-Revised;a Kabochan (Nodding Kabochan) fixed with a remote-controlled speaker, Pechat (Kabochan with Pechat). Measurements of autonomic nervous activity were done using wearable electrocardiography attached to the subjects for four hours. Heart Rate Variability data were assessed at various frequency bands using a HRV software tool. In a continuously recorded data, interbeat (R-R) intervals were obtained for a 1-min segment using the maximum entropy method. In this study, the two major spectral components of HRV, the variances of the low-frequency (LF: 0.04 - 0.15 Hz) band and high-frequency (HF: 0.15 - 0.4 Hz) band, were calculated. Activities and behaviors of subjects transacting with Kabochan were observed by the expert nurses and video-recorded. Throughout the transaction period, observations were recorded of patients’ behavior, words uttered and over-all contents of the transactive conversation with the Kabochan or Kabochan with Pechat. Identified characteristics were transactive relationship phenomenon;changes in autonomic nervous system activity of persons with dementia are expressed as per one minute, linguistic response of elderly people, transactive relations among Kabochan, Kabochan with Pechat, and nurses as intermediaries. These were exhibited as Figures: Situation 1, A Sense of Fear, Situation 2, A Pleasant Sensation,

关键词： transactive Phenomenon Nursing as Intermediaries Older Adults with Dementia Communication Robot

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Cyber-secure decentralized energy management for IoT-enabled active distribution networks

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Journal of Modern Power Systems and Clean Energy 2018年第5期6卷 900-917页

作者： Zhiyi LI Mohammad SHAHIDEHPOUR Xuan LIU Robert W. Galvin Center for Electricity Innovation Illinois Institute of Technology College of Electrical and Information Engineering Hunan University

This paper provides a strategic solution for enhancing the cybersecurity of power distribution system operations when information and operation technologies converge in active distribution network(ADN). The paper first investigates the significance of Internet of Things(IoT) in enabling fine-grained observability and controllability of ADN in networked microgrids. Given severe cybersecurity vulnerabilities embedded in conventionally centralized energy management schemes, the paper then proposes a cyber-secure decentralized energy management framework that applies a distributed decision-making intelligence to networked microgrids while securing their individual mandates for optimal operation. In particular,the proposed framework takes advantage of software-defined networking technologies that can secure communications among IoT devices in individual microgrids, and exploits potentials for introducing blockchain technologies that can preserve the integrity of communications among networked microgrids in ADN. Furthermore, the paperpresents the details of application scenarios where the proposed framework is employed to secure peer-to-peer transactive energy management based on a set of interoperable blockchains. It is finally concluded that the proposed framework can play a significant role in enhancing the efficiency, reliability, resilience, and sustainability of electricity services in ADN.

关键词： Cybersecurity Active distribution network Blockchain Decentralized decision-making Internet of Things Networked microgrids transactive energy

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基于Web技术应用的轨道交通综合监控系统方案探讨

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中国建设信息 2010年第15期 49-51页

作者：赵驰广州地铁总公司建设总部

以珠江三角洲城际快速轨道交通广州至佛山段综合监控系统为例,介绍了web技术在轨道交通综合监控系统中的应用。该技术方案使综合监控系统成为企业管理网络中的一部分,实现生产调度(地铁运营)与企业管理的管控一体化,是未来综合监控系统... 详细信息

以珠江三角洲城际快速轨道交通广州至佛山段综合监控系统为例,介绍了web技术在轨道交通综合监控系统中的应用。该技术方案使综合监控系统成为企业管理网络中的一部分,实现生产调度(地铁运营)与企业管理的管控一体化,是未来综合监控系统的发展方向之一。

关键词： Web技术综合监控系统 transactive 轨道交通

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