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Joint uplink and downlink resource allocation for low-latency mobile virtual reality delivery in fog Research Article

Tian DANG, Chenxi LIU, Xiqing LIU, Shi YAN,tiandang@bupt.edu.cn,chenxi.liu@bupt.edu.cn,liuxiqing@bupt.edu.cn,yanshi01@bupt.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 1,   Pages 73-85 doi: 10.1631/FITEE.2100308

Abstract: compared with various baselines, and the impacts of communication, caching, and computing resources on latency

Keywords： Virtual reality delivery     Fog radio access network (F-RAN)     Round-trip latency     Resource allocation    

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Design and analysis of a proportional-integral controller based on a Smith predictor for TCP/AQM network systems Research Articles

Ouassim MENACER, Abderraouf MESSAI, Lazhar KASSA-BAGHDOUCHE,kassabaghdouche_lazhar@yahoo.com,kassabaghdouche.lazhar@univ-guelma.dz

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 2,   Pages 291-303 doi: 10.1631/FITEE.2000245

Abstract: (AQM) is essential to prevent the degradation of quality of service in TCP/AQM systems with round-trip

Keywords： Active queue management     Transport control protocol     Round-trip time delay     Smith predictor    

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The research on fast annealing microstructure evolution of low silicon TRIP steel with phosphorus

Chen Peng,Shen Chunyu,Xu Yunbo and Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 1,   Pages 48-53

Abstract:

The low silicon transformation induced plasticity（TRIP）steel with phosphorus addition at every stage

Keywords： automobile steel     TRIP steel     low silicon     fast annealing     microstructure evolution    

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Rolling process and fatigue property of a new-type hot-rolled low-carbon TRIP steel

Liu Ziquan,Tan Xiaodong,Yang Xiaolong,Xu Yunbo,Wu Di and Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 1,   Pages 54-58

Abstract: steels and the low- carbon low- silicon phosphorus/chromium-contained transformation induced plasticity（TRIPResults revealed that the new-type TRIP steel possessed similar yield strength ， tensile strength increased

Keywords： hot- rolling     low-carbon TRIP steel     rolling process     fatigue property     fatigue fracture    

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Development and formability analysis of TRIP seamless steel tube

Zhang Zicheng and Zhu Fuxian

Strategic Study of CAE 2014, Volume 16, Issue 2,   Pages 46-52

Abstract:

In the present study，the production technology of transformation induced plasticity（TRIP）steel wasThe TRIP steel tubes with a microstructure of ferrite，bainite，retained austenite and a little martensitetensile test and cold bending process were carried out to study the formability of the newly developed TRIPThe results showed that the TRIP seamless steel tubes have a good cold formability，and they are availablesteel tube and it may serve as an important reference for the industrial production of TRIP steel tube

Keywords： TRIP steel     heat treatment     formability     steel tube     microstructure    

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δ-TRIP steel：Physical and mechanical metallurgy

Yi Hongliang,Chen Peng,Wang Guodong and Ma Mingtu

Strategic Study of CAE 2014, Volume 16, Issue 2,   Pages 18-30

Abstract:

δ- transformation induced plasticity（TRIP） steel has performed high strength combined with excellentThe development of δ-TRIP，microstructure and mechanical properties，transformation and microstructure

Keywords： TRIP- steel     δ- ferrite     bainitic transformation     microstructural evolution     mechanical properties    

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State of the art for research， development and applications of high manganese TWIP/TRIP steel

Zhang Weina,Liu Zhenyu,Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 1,   Pages 40-47

Abstract: in research on high manganese twinning induced plasticity and transformation induced plasticity（TWIP/TRIPpost-treatment technology，microstructure，mechanical properties and deformation mechanism of high manganese TWIP/TRIP

Keywords： high manganese TWIP/TRIP steel     twin- roll strip casting     deformation mechanism     deformation induced martensite    

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Experimental study on slender buckling-restrained knee braces with round steel bar cores

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 99-121 doi: 10.1007/s11709-022-0875-4

Abstract: This study aimed to investigate a novel slender buckling-restrained knee brace damper (BRKB) for welded and weld-free steel framing systems. The proposed BRKB adopts steel bar cores connected by a central coupler and restrained by tube buckling restrainers with a cover tube supporter. The advantages of the proposed damper include easy assembly compared to conventional buckling restrained braces, and high architectural flexibility for the retrofitting of large-span weld-free or welded steel moment-resisting systems. Specifically, by increasing the number of contraction allowances, undesirable failure mechanisms that are global instability and local buckling of the restrainer ends can be effectively suppressed because the more uniform plastic deformation of the core bar can be achieved longitudinally. In this study, displacement-controlled compression and cyclic loading tests were carried out to investigate the deformation capacities of the proposed BRKBs. Structural performance metrics associated with both loading tests, such as strength capacities, strains at the cover tubes and buckling restrainers, and hysteretic behaviors of the proposed damper under cyclic loads, were measured and discussed. Test results revealed that the geometrical characteristics of the cover tubes and adopted contraction allowances at the dampers play essential roles in their load-bearing capacities.

Keywords： weld-free beam-to-column connections     moment-resisting frame     cyclic and compression loading tests     buckling-restrained knee brace     cover tube    

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The Round-metal-resonator CO2 Laser with Spiral Flow

Li Zaiguang,Gong Wei

Strategic Study of CAE 2001, Volume 3, Issue 1,   Pages 58-61

Abstract: Its round resonator consists of a number of equally-spaced and coaxially-mounted metal cavity units.

Keywords： CO2 laser     round-metal-resonator     spiral flow     beam quality    

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ShortTail: taming tail latency for erasure-code-based in-memory systems Research Article

Yun TENG, Zhiyue LI, Jing HUANG, Guangyan ZHANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 11,   Pages 1646-1657 doi: 10.1631/FITEE.2100566

Abstract: EC-enabled in-memory storage system called ShortTail, which can achieve consistent performance and low latencyShortTail can reduce the P99 by up to 63.77%; it also brings significant improvements in the median latencyand average latency.

Keywords： Erasure code     In-memory system     Node fail-slow     Small write     Tail latency    

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Parameter identification of interconnected power system frequency after trip-out of high voltage transmission

Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 386-393 doi: 10.1007/s11708-014-0323-9

Abstract: Accurate modeling and parameters of high voltage (HV) grid are critical for stability research of system frequency. In this paper, simulation modeling of the system frequency was conducted of an interconnected power system with HV transmission lines in China. Based on recorded tripping data of the HV transmission lines, system parameters were identified by using genetic algorithm (GA). The favorable agreement between simulation results and recorded data verifies the validity of gird models and the accuracy of system parameters. The results of this paper can provide reference for the stability research of HV power grid.

Keywords： high voltage (HV) grid     frequency stability parameter identification     primary frequency regulation (PFR)    

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Coming Back from a Trip on High-Speed Trains in the 2040s

Ignacio Barron

Engineering 2016, Volume 2, Issue 3,   Pages 292-293 doi: 10.1016/J.ENG.2016.03.020

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Efficient dynamic pruning on largest scores first (LSF) retrieval

Kun JIANG,Yue-xiang YANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 1,   Pages 1-14 doi: 10.1631/FITEE.1500190

Abstract: results with the TREC GOV2 collection show that our new index traversal approaches reduce the query latency

Keywords： Inverted index     Index traversal     Query latency     Largest scores first (LSF) retrieval     Dynamic pruning    

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Real-time immune-inspired optimum state-of-charge trajectory estimation using upcoming route information preview and neural networks for plug-in hybrid electric vehicles fuel economy

Ahmad MOZAFFARI,Mahyar VAJEDI,Nasser L. AZAD

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2,   Pages 154-167 doi: 10.1007/s11465-015-0336-z

Abstract:

The main proposition of the current investigation is to develop a computational intelligence-based framework which can be used for the real-time estimation of optimum battery state-of-charge (SOC) trajectory in plug-in hybrid electric vehicles (PHEVs). The estimated SOC trajectory can be then employed for an intelligent power management to significantly improve the fuel economy of the vehicle. The devised intelligent SOC trajectory builder takes advantage of the upcoming route information preview to achieve the lowest possible total cost of electricity and fossil fuel. To reduce the complexity of real-time optimization, the authors propose an immune system-based clustering approach which allows categorizing the route information into a predefined number of segments. The intelligent real-time optimizer is also inspired on the basis of interactions in biological immune systems, and is called artificial immune algorithm (AIA). The objective function of the optimizer is derived from a computationally efficient artificial neural network (ANN) which is trained by a database obtained from a high-fidelity model of the vehicle built in the Autonomie software. The simulation results demonstrate that the integration of immune inspired clustering tool, AIA and ANN, will result in a powerful framework which can generate a near global optimum SOC trajectory for the baseline vehicle, that is, the Toyota Prius PHEV. The outcomes of the current investigation prove that by taking advantage of intelligent approaches, it is possible to design a computationally efficient and powerful SOC trajectory builder for the intelligent power management of PHEVs.

Keywords： trip information preview     intelligent transportation     state-of-charge trajectory builder     immune systems    

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Comprehensive profiling of EBV gene expression in nasopharyngeal carcinoma through paired-end transcriptome sequencing

Lijuan Hu,Zhirui Lin,Yanheng Wu,Juqin Dong,Bo Zhao,Yanbing Cheng,Peiyu Huang,Lihua Xu,Tianliang Xia,Dan Xiong,Hongbo Wang,Manzhi Li,Ling Guo,Elliott Kieff,Yixin Zeng,Qian Zhong,Musheng Zeng

Frontiers of Medicine 2016, Volume 10, Issue 1,   Pages 61-75 doi: 10.1007/s11684-016-0436-0

Abstract: In addition to the transcripts restricted to type II latency infection, the type III latency combined findings suggested that the expression of EBV genes in NPC is restricted not only to type II latencygenes but also to type III latency and lytic genes.

Keywords： Epstein-Barr virus     paired-end transcriptome sequencing     latency genes     lytic genes     nasopharyngeal carcinoma    

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Title Author Date Type Operation

Joint uplink and downlink resource allocation for low-latency mobile virtual reality delivery in fog

Tian DANG, Chenxi LIU, Xiqing LIU, Shi YAN,tiandang@bupt.edu.cn,chenxi.liu@bupt.edu.cn,liuxiqing@bupt.edu.cn,yanshi01@bupt.edu.cn

Journal Article

Design and analysis of a proportional-integral controller based on a Smith predictor for TCP/AQM network systems

Ouassim MENACER, Abderraouf MESSAI, Lazhar KASSA-BAGHDOUCHE,kassabaghdouche_lazhar@yahoo.com,kassabaghdouche.lazhar@univ-guelma.dz

Journal Article

The research on fast annealing microstructure evolution of low silicon TRIP steel with phosphorus

Chen Peng,Shen Chunyu,Xu Yunbo and Wang Guodong

Journal Article

Rolling process and fatigue property of a new-type hot-rolled low-carbon TRIP steel

Liu Ziquan,Tan Xiaodong,Yang Xiaolong,Xu Yunbo,Wu Di and Wang Guodong

Journal Article

Development and formability analysis of TRIP seamless steel tube

Zhang Zicheng and Zhu Fuxian

Journal Article

δ-TRIP steel：Physical and mechanical metallurgy

Yi Hongliang,Chen Peng,Wang Guodong and Ma Mingtu

Journal Article

State of the art for research， development and applications of high manganese TWIP/TRIP steel

Zhang Weina,Liu Zhenyu,Wang Guodong

Journal Article

Experimental study on slender buckling-restrained knee braces with round steel bar cores

Journal Article

The Round-metal-resonator CO2 Laser with Spiral Flow

Li Zaiguang,Gong Wei

Journal Article

ShortTail: taming tail latency for erasure-code-based in-memory systems

Yun TENG, Zhiyue LI, Jing HUANG, Guangyan ZHANG

Journal Article

Parameter identification of interconnected power system frequency after trip-out of high voltage transmission

Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG

Journal Article

Coming Back from a Trip on High-Speed Trains in the 2040s

Ignacio Barron

Journal Article

Efficient dynamic pruning on largest scores first (LSF) retrieval

Kun JIANG,Yue-xiang YANG

Journal Article

Real-time immune-inspired optimum state-of-charge trajectory estimation using upcoming route information preview and neural networks for plug-in hybrid electric vehicles fuel economy

Ahmad MOZAFFARI,Mahyar VAJEDI,Nasser L. AZAD

Journal Article

Comprehensive profiling of EBV gene expression in nasopharyngeal carcinoma through paired-end transcriptome sequencing

Lijuan Hu,Zhirui Lin,Yanheng Wu,Juqin Dong,Bo Zhao,Yanbing Cheng,Peiyu Huang,Lihua Xu,Tianliang Xia,Dan Xiong,Hongbo Wang,Manzhi Li,Ling Guo,Elliott Kieff,Yixin Zeng,Qian Zhong,Musheng Zeng

Journal Article