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Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 529-538 doi: 10.1007/s11708-019-0624-0

Abstract: availability growth models for large scale complicated repairable system such as electric generating units, powerAvailability growth models for electric generating units, power station auxiliaries, and transmissionunits and 1000 MW thermal power units, 200–1000 MW power station auxiliaries, and 220–500 kV transmissionstation auxiliaries, transmission and distribution installations conform to the power function, andgeneral availability growth models conform to rules of availability growth tendency of power equipment

Keywords： repairable system     power equipment     electric generating unit     power station auxiliary     transmission and distribution    

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Status of worldwide SOFC stacks and systems development

Subhash C Singhal

Strategic Study of CAE 2013, Volume 15, Issue 2,   Pages 7-14

Abstract: development, manufacturing and commercialization of the solid oxide fuel cell (SOFC) technology for power

Keywords： solid oxide fuel cell (SOFC)     SOFC stack     tubular cell     combined heat and power (CHP)     auxiliary power    

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Strategic Study on the Development of Advanced Semiconductor Materials and Auxiliary Materials in China

Writing Group of Advanced Semiconductor Materials and Auxiliary Materials

Strategic Study of CAE 2020, Volume 22, Issue 5,   Pages 10-19 doi: 10.15302/J-SSCAE-2020.05.002

Abstract: strategic opportunity to realize the independent control over its advanced semiconductor materials and auxiliaryIn this paper, we analyze the development status of semiconductor materials and auxiliary materials inTo promote the development of advanced semiconductor materials and auxiliary materials in China, we suggestintegrated circuit; a platform that provides integrated tests for SiC and GaN semiconductor materials, auxiliary

Keywords： advanced semiconductor materials     auxiliary materials     third-generation semiconductor     2035    

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A new auxiliary information based cumulative sum median control chart for location monitoring Regular Papers

Shahid HUSSAIN, Li-xin SONG, Shabbir AHMAD, Muhammad RIAZ

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 4,   Pages 554-570 doi: 10.1631/FITEE.1700428

Abstract: In this paper we propose several CUSUM median control charts based on auxiliary variables, and offer

Keywords： Average run length     Auxiliary information     CUSUM control charts     Location parameter     Median control charts    

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Auxiliary diagnostic system for ADHD in children based on AI technology Research

Yanyi Zhang, Ming Kong, Tianqi Zhao, Wenchen Hong, Di Xie, Chunmao Wang, Rongwang Yang, Rong Li, Qiang Zhu,doczyy1981@sina.com,zjukongming@zju.edu.cn,zhuq@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 3,   Pages 400-414 doi: 10.1631/FITEE.1900729

Abstract: Traditional diagnosis of in children is primarily through a questionnaire filled out by parents/teachers and clinical observations by doctors. It is inefficient and heavily depends on the doctor’s level of experience. In this paper, we integrate artificial intelligence (AI) technology into a software-hardware coordinated system to make ADHD diagnosis more efficient. Together with the intelligent analysis module, the camera group will collect the eye focus, facial expression, 3D body posture, and other children’s information during the completion of the functional test. Then, a multi-modal model is proposed to classify abnormal behavior fragments of children from the captured videos. In combination with other system modules, standardized diagnostic reports can be automatically generated, including test results, abnormal behavior analysis, diagnostic aid conclusions, and treatment recommendations. This system has participated in clinical diagnosis in Department of Psychology, The Children’s Hospital, Zhejiang University School of Medicine, and has been accepted and praised by doctors and patients.

Keywords： Attention deficit hyperactivity disorder (ADHD)     Auxiliary diagnosis     Computer vision     Deep learning    

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Three-dimensional electromagnetic analysis and design of permanent magnet retarder

Lezhi YE, Desheng LI, Bingfeng JIAO

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 438-441 doi: 10.1007/s11465-010-0111-0

Abstract: An eddy current retarder for vehicles generates much heat when it works continuously, which leads to serious decline in braking torque. This paper proposes a novel permanent magnet retarder (PMR) for vehicles, whose cooling system connects with engine cooling-water. A three-dimensional finite element model is developed to model the electromagnetic behavior of a permanent magnet retarder under a constant speed. The magnetic field and eddy current field in PMR are numerically solved by a finite element method. By accounting for the nonlinear permeability of the rotor and the weakened effect in the magnetic field that is generated by the eddy current magnetic field, the calculation accuracy of air-gap magnetic field is enhanced. Experiment shows that the temperature of the retarder is less than 150°C, and the braking torque keeps the hard characteristics curve. The calculated air-gap magnetic flux density is fairly good agreement with the measured one.

Keywords： auxiliary brake     permanent magnet retarder     water-cooling     finite element method    

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UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 165-175 doi: 10.1007/s11708-020-0686-z

Abstract: The active power loop flow (APLF) may be caused by impropriate network configuration, impropriate parameterThe power flow controllers, e.g., the unified power flow controller (UPFC), may be the reason and theapproaching to the critical existing condition, the integrated power flow needs less iterations andBesides, with wind power fluctuation, the interval power flow (IPF) is introduced into the integratedpower flow, and solved with the affine Krawcyzk iteration to make sure that the range of active power

Keywords： active power loop flow (APLF)     unified power flow controller (UPFC)     wind power uncertainty     interval power    

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Possible role of power-to-heat and power-to-gas as flexible loads in German medium voltage networks

Mark KUPRAT, Martin BENDIG, Klaus PFEIFFER

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 135-145 doi: 10.1007/s11708-017-0472-8

Abstract: As an option to cope with those problems, the technologies of power-to-gas (PtG) and power-to-heat (PtH, the network-supporting abilities and the potential to provide ancillary services, such as control power

Keywords： power-to-gas     power-to-heat     flexible loads     ancillary services     coherent energy systems    

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Cohort study of patients with Stevens–Johnson syndrome and toxic epidermal necrolysis in China: evaluation of risk models and new predictor of pulmonary consolidation on computed tomography

Yanhong Shou, Lu Yang, Yongsheng Yang, Xiaohua Zhu, Feng Li, Bo Yin, Yingyan Zheng, Jinhua Xu

Frontiers of Medicine 2021, Volume 15, Issue 4,   Pages 585-593 doi: 10.1007/s11684-020-0817-2

Abstract: discrimination (area under the receiver operating characteristic curve (AUC), 0.78), and it was superior to auxiliary

Keywords： Stevens–Johnson syndrome     toxic epidermal necrolysis     auxiliary score     ABCD-10     pulmonary consolidation    

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“Medical-and-Care Wisdom Linkage” Pension Model Research and Exploration

Jin Xinyu,Xia Qi,Zhang Wei and Li Lanjuan

Strategic Study of CAE 2018, Volume 20, Issue 2,   Pages 92-98 doi: 10.15302/J-SSCAE-2018.02.014

Abstract:

China has become an aging society faced with difficult challenges. However, the country’s endowment system is still in the infant stage, and the pension problem has become one of the major problems that need to be solved promptly. Based on China's national policies, this paper proposes a "Medical-and-Care Wisdom Linkage" pension system with a large hospital for diagnosis and treatment as the centerpiece. This system can connect institutional pension models, community pension models, and family pension models by means of the Internet. At the same time, the system uses new cloud-based artificial intelligence for diagnosis and rehabilitation. Related practice has proven that using the Internet, advanced artificial intelligence, and other effective comprehensive treatment technologies to solve the current problems of China?s pension industry has important research value. These are also very promising efforts that are in line with national development strategies and relevant policies.

Keywords： “Medical-and-Care Wisdom Linkage”     wisdom endowment     Internet     artificial intelligence     auxiliary diagnosis    

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Evaluation of the power-generation capacity of wearable thermoelectric power generator

Yang YANG, Jing LIU,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 346-357 doi: 10.1007/s11708-010-0112-z

Abstract: heat dissipating from the human body through the skin surface is a promising way to supply electronic powerthe temperature difference between the environment and the human body, and complete elimination of power

Keywords： thermal energy harvester     thermoelectric generator     biological heat transfer     power generating capacity    

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Renewable power for China: Past, present, and future

Eric MARTINOT

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 287-294 doi: 10.1007/s11708-010-0120-z

Abstract: examines the history, status, policy situation, development issues, and prospects for key renewable powerglobal leader in wind turbine and solar photovoltaic (PV) production, and leads the world in total powerexperience and performance, transmission constraints, grid interconnection time lags, resource assessments, powerProspects for biomass power are limited by resource constraints.Other technologies such as concentrating solar thermal power, ocean energy, and electricity storage require

Keywords： renewable energy     wind power     solar power     sustainable energy policy     green industry    

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Carbon emission impact on the operation of virtual power plant with combined heat and power system

Yu-hang XIA,Jun-yong LIU,Zheng-wen HUANG,Xu ZHANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5,   Pages 479-488 doi: 10.1631/FITEE.1500467

Abstract: A virtual power plant (VPP) can realize the aggregation of distributed generation in a certain region, and represent distributed generation to participate in the power market of the main grid.This paper proposes the allocation of an electric boiler to realize wind power directly converted forsupplying heat, which can not only overcome the limitation of heat output from a combined heat and powerThe power output of each unit in the case study is analyzed under four scenarios.

Keywords： Virtual power plant (VPP)     Carbon emissions     Electric boiler     Wind power     Combined heat and power (CHP    

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Strategy of Manufacturing Quality Power

The Research Group for Manufacturing Quality Power Strategy

Strategic Study of CAE 2015, Volume 17, Issue 7,   Pages 24-28

Abstract:

The meaning to implement the Manufacturing Quality Power Strategy was systematically discussed in

Keywords： manufacturing power     quality     strategy    

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Will Germany move into a situation with unsecured power supply?

Harald SCHWARZ

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 551-570 doi: 10.1007/s11708-019-0641-z

Abstract: increasing traffic, CO emissions from this mobility sector increased and CO emission from German powercalled “The German Coal Commission”) to propose a time line: how Germany can move out of coal-fired powermade: ① Until 2022: Due to a former decision of the German Government, the actual remaining nuclear powerplants should be switched off. ③ Until 2038: The final 17 GW of German hard coal or lignite-fired powerCoal Commission” has not investigated the relevant technical parameter to ensure a secured electric power

Keywords： CO2 reduction     mobility sector     renewable generation     coal commission     secured power generationcapacity     reliable power supply     power-to-gas     power-to-heat    

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Title Author Date Type Operation

Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Journal Article

Status of worldwide SOFC stacks and systems development

Subhash C Singhal

Journal Article

Strategic Study on the Development of Advanced Semiconductor Materials and Auxiliary Materials in China

Writing Group of Advanced Semiconductor Materials and Auxiliary Materials

Journal Article

A new auxiliary information based cumulative sum median control chart for location monitoring

Shahid HUSSAIN, Li-xin SONG, Shabbir AHMAD, Muhammad RIAZ

Journal Article

Auxiliary diagnostic system for ADHD in children based on AI technology

Yanyi Zhang, Ming Kong, Tianqi Zhao, Wenchen Hong, Di Xie, Chunmao Wang, Rongwang Yang, Rong Li, Qiang Zhu,doczyy1981@sina.com,zjukongming@zju.edu.cn,zhuq@zju.edu.cn

Journal Article

Three-dimensional electromagnetic analysis and design of permanent magnet retarder

Lezhi YE, Desheng LI, Bingfeng JIAO

Journal Article

UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Journal Article

Possible role of power-to-heat and power-to-gas as flexible loads in German medium voltage networks

Mark KUPRAT, Martin BENDIG, Klaus PFEIFFER

Journal Article

Cohort study of patients with Stevens–Johnson syndrome and toxic epidermal necrolysis in China: evaluation of risk models and new predictor of pulmonary consolidation on computed tomography

Yanhong Shou, Lu Yang, Yongsheng Yang, Xiaohua Zhu, Feng Li, Bo Yin, Yingyan Zheng, Jinhua Xu

Journal Article

“Medical-and-Care Wisdom Linkage” Pension Model Research and Exploration

Jin Xinyu,Xia Qi,Zhang Wei and Li Lanjuan

Journal Article

Evaluation of the power-generation capacity of wearable thermoelectric power generator

Yang YANG, Jing LIU,

Journal Article

Renewable power for China: Past, present, and future

Eric MARTINOT

Journal Article

Carbon emission impact on the operation of virtual power plant with combined heat and power system

Yu-hang XIA,Jun-yong LIU,Zheng-wen HUANG,Xu ZHANG

Journal Article

Strategy of Manufacturing Quality Power

The Research Group for Manufacturing Quality Power Strategy

Journal Article

Will Germany move into a situation with unsecured power supply?

Harald SCHWARZ

Journal Article