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Solid-state transformer-based new traction drive system and control

Jianghua FENG, Jing SHANG, Zhixue ZHANG, Huadong LIU, Zihao HUANG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 411-426 doi: 10.1007/s11465-018-0467-0

Abstract:

A new type of traction drive system consisting of solid-state traction transformer (SSTT), inverterdeveloping the next-generation electric traction system which will be efficient and lightweight, with highand improving efficiency and grid-side power quality, an efficient SSTT optimized topology combining high-voltagecascaded rectifiers with high-power high-frequency LLC resonant converter is proposed.model of secondary power transfer is built, and the mechanism of pulsating voltage resulting in beat frequency

Keywords： solid-state traction transformer     high-voltage cascaded rectifier     LLC resonant converter     synchronous rotatingreference frame     carrier-interleaving phase shift control     secondary pulsating voltage     beat frequency    

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Well-being analysis of GSU transformer insulation incorporating the impact on power generation using

Alagarsamy KRISHNAVEL, Dusmata Kumar MOHANTA, M. Jaya Bharata REDDY

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 288-299 doi: 10.1007/s11708-013-0265-7

Abstract: The unexpected failure of generator step-up (GSU) transformer is especially a major disturbance in theThe healthy state of the GSU transformer has to be ensured to minimize the loss of power generation.As the predication related to failure of a GSU transformer is associated with some uncertainties, a fuzzyemployed in this paper along with actual field data and case studies for the well-being analysis of GSU transformer

Keywords： generator step-up (GSU) transformer     well-being analysis     dissolved gases in oil analysis (DGA)     tan delta(TD)     sweep frequency response analysis (SFRA)     fuzzy inference system (FIS)    

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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 systemfrequency.In this paper, simulation modeling of the system frequency was conducted of an interconnected power system

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

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Application of Accessory DC Sources in GasolineInverter Generator Set

Wan Jianru,Niu Liang,Liu Jianhua,Mou Jiangfeng,Yu Xiaohong

Strategic Study of CAE 2007, Volume 9, Issue 4,   Pages 31-34

Abstract: On the basis of design principle of high frequency transformer, an accessory power supply (15W active

Keywords： gasoline inverter generator set     DC accessory power supply     three-terminal off-line PWMswitch     high frequencytransformer    

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Analysis and design of transformer-based CMOS ultra-wideband millimeter-wave circuits for wireless applications Review Articles

Yi-ming YU, Kai KANG

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 97-115 doi: 10.1631/FITEE.1900491

Abstract: In this paper, four transformer-based ultra-wideband mm-Wave circuits demonstrated in CMOS technologiesFirst, we introduce a mm-Wave low-noise amplifier with transformer-based Gm-boosting and pole-tuninginjection-current-boosting tech-nique which can significantly increase the locking range of mm-Wave injection-locked frequencyhigh-order resonator.Finally, an E-band up-conversion mixer is presented; using the two-path transconductance stage and transformer-based

Keywords： CMOS     Millimeter-wave (mm-Wave)     Ultra-wideband     Transformer     Low-noise amplifier     Injection-locked fre-quencytripler     Injection-locked frequency divider     Mixer    

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Design and analysis of a new high frequency double-servo direct drive rotary valve

Muzhi ZHU,Shengdun ZHAO,Jingxiang LI

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 344-350 doi: 10.1007/s11465-016-0406-x

Abstract: investigated direct drive valve for many years to solve problems, such as fluid force imbalance and switching frequencyThis paper studied the high frequency double-servo direct drive rotary valve (DDRV), and proposed a novelstructure and drive method satisfying high reversing frequency and adequate quantity of flow.Aside from the fast reversing function of the valve, the DDRV presented high performance in linearity

Keywords： direct drive rotary valve     computational fluid dynamics (CFD)     flow regulation    

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Reversible data hiding using a transformer predictor and an adaptive embedding strategy Research Article

Linna ZHOU, Zhigao LU, Weike YOU, Xiaofei FANG,zhoulinna@bupt.edu.cn,luchen@uir.edu.cn,ywk@bupt.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 8,   Pages 1143-1155 doi: 10.1631/FITEE.2300041

Abstract: In the field of (RDH), designing a high-precision predictor to reduce the embedding distortion and developing

Keywords： Reversible data hiding     Transformer     Adaptive embedding strategy    

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Research on fuzzy neural network control method for high-frequency vacuum drying of wood

Jiang Bin,Sun Liping,Cao Jun and Zhou Zheng

Strategic Study of CAE 2014, Volume 16, Issue 4,   Pages 17-20

Abstract:

High- frequency vacuum combined wood drying is a kind of fast dryingOn the basis of theoretical analysis with high frequency in wood vacuum drying process，the fuzzy controllerexperiment results show that fuzzy neural network control is better，such as the temperature rising fast，high

Keywords： high-frequency vacuum     wood drying     fuzzy neural network    

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Research and Application of V/F-based Intelligent Multiplex Data-collecting System & Serial Communication

Jia Guixi,Li Hongfeng,Qi Wei

Strategic Study of CAE 2004, Volume 6, Issue 11,   Pages 58-62

Abstract: It uses AD620 amplifier to magnify signals, LM331 voltage-frequency transformer to transform electricity

Keywords： voltage-frequency transformer LM331     Visual Basic6.0     serial communication    

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High frequency group pulse electrochemical machining

WU Gaoyang, ZHANG Zhijing, ZHANG Weimin, TANG Xinglun

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 293-296 doi: 10.1007/s11465-007-0051-5

Abstract: In the process of machining ultrathin metal structure parts, the signal composition of high frequencygroup pulse, the influence of frequency to reverse current, and the design of the cathode in high frequencythe characteristics of the inter-electrode gap flow field, reduce electrode passivation, and obtain highThe machining quality is obviously improved by increasing the main pulse frequency.High frequency group pulse electrochemical machining can be successfully used in machining micro-parts

Keywords： HGPECM     process     machining quality     passivation     inter-electrode    

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High frequency of alternative splicing variants of the oncogene in neuroendocrine tumors of the pancreas

Frontiers of Medicine   Pages 907-923 doi: 10.1007/s11684-023-1009-7

Abstract: The characteristic genetic abnormality of neuroendocrine neoplasms (NENs), a heterogeneous group of tumors found in various organs, remains to be identified. Here, based on the analysis of the splicing variants of an oncogene Focal Adhesion Kinase (FAK) in The Cancer Genome Atlas datasets that contain 9193 patients of 33 cancer subtypes, we found that Box 6/Box 7-containing FAK variants (FAK6/7) were observed in 7 (87.5%) of 8 pancreatic neuroendocrine carcinomas and 20 (11.76%) of 170 pancreatic ductal adenocarcinomas (PDACs). We tested FAK variants in 157 tumor samples collected from Chinese patients with pancreatic tumors, and found that FAK6/7 was positive in 34 (75.6%) of 45 pancreatic NENs, 19 (47.5%) of 40 pancreatic solid pseudopapillary neoplasms, and 2 (2.9%) of 69 PDACs. We further tested FAK splicing variants in breast neuroendocrine carcinoma (BrNECs), and found that FAK6/7 was positive in 14 (93.3%) of 15 BrNECs but 0 in 23 non-NEC breast cancers. We explored the underlying mechanisms and found that a splicing factor serine/arginine repetitive matrix protein 4 (SRRM4) was overexpressed in FAK6/7-positive pancreatic tumors and breast tumors, which promoted the formation of FAK6/7 in cells. These results suggested that FAK6/7 could be a biomarker of NENs and represent a potential therapeutic target for these orphan diseases.

Keywords： FAK6/7     SRRM4     neuroendocrine neoplasms     pancreas     breast    

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Series transformer based diode-bridge-type solid state fault current limiter

Amir HEIDARY,Hamid RADMANESH,Seyed Hamid FATHI,G. B. GHAREHPETIAN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 9,   Pages 769-784 doi: 10.1631/FITEE.1400428

Abstract: We propose a novel series transformer based diode-bridge-type solid state fault current limiter (SSFCLcontrol the fault current, a series RLC branch is connected to the secondary side of an isolation series transformerswitch (insulated-gate bipolar transistor, IGBT) and L remains connected to the secondary side of the transformerduration of the parallel IGBT, across the series damping resistor ( ) and capacitor, which inserts high

Keywords： fault current limiter (SSFCL)     Power quality     Voltage sag     Point of common coupling (PCC)     Isolation transformer    

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Tests on impact effect of partial fracture at steel frame connections

CHEN Yiyi, BIAN Ruoning

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 295-301 doi: 10.1007/s11709-008-0049-z

Abstract: It is proven that the response during the fracture process can be measured quite well using high-frequency

Keywords： structural fracture     natural     fracture     progressive     high-frequency    

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analysis of PCBs and PCDD/Fs impurities in a dielectric oil sample (ASKAREL Nr 1740) from an imported transformer

Jun HUANG, Yamei HUI, Toru MATSUMURA, Gang YU, Shubo DENG, Makoto YAMAUCHI, Changmin WU, Norimasa YAMAZAKI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 195-204 doi: 10.1007/s11783-013-0527-y

Abstract: Dielectric oil (ASKAREL Nr 1740) in an imported transformer found in China was sampled and analyzed byisotope dilution technology using high resolution gas chromatography-high resolution mass spectrometryHigh similarity in the homolog profile between the oil sample and Aroclor 1260 was found, with the hexachlorinated

Keywords： polychlorinated dibenzo-p-dioxins (PCDDs)     polychlorinated dibenzofurans (PCDFs)     Askarel transformer    

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Target height and multipath attenuation joint estimation with complex scenarios for very high frequency Research Articles

Sheng CHEN, Yongbo ZHAO, Yili HU, Chenghu CAO, Xiaojiao PANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 6,   Pages 937-949 doi: 10.1631/FITEE.2100003

Abstract:

for is a difficult problem due to the in the radar field, especially in where the reflection condition is unknown. To deal with this problem, we propose an algorithm of target height and multipath attenuation joint estimation. The amplitude of the surface reflection coefficient is estimated by the characteristic of the data itself, and it is assumed that there is no reflected signal when the amplitude is very small. The phase of the surface reflection coefficient and the phase difference between the direct and reflected signals are searched as the same part, and this represents the multipath phase attenuation. The Cramer-Rao bound of the proposed algorithm is also derived. Finally, computer simulations and real data processing results show that the proposed algorithm has good estimation performance under and works well with only one snapshot.

Keywords： Low-angle estimation     Very high frequency (VHF) radar     Complex scenarios     Multipath effect     Height estimation    

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Title Author Date Type Operation

Solid-state transformer-based new traction drive system and control

Jianghua FENG, Jing SHANG, Zhixue ZHANG, Huadong LIU, Zihao HUANG

Journal Article

Well-being analysis of GSU transformer insulation incorporating the impact on power generation using

Alagarsamy KRISHNAVEL, Dusmata Kumar MOHANTA, M. Jaya Bharata REDDY

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

Application of Accessory DC Sources in GasolineInverter Generator Set

Wan Jianru,Niu Liang,Liu Jianhua,Mou Jiangfeng,Yu Xiaohong

Journal Article

Analysis and design of transformer-based CMOS ultra-wideband millimeter-wave circuits for wireless applications

Yi-ming YU, Kai KANG

Journal Article

Design and analysis of a new high frequency double-servo direct drive rotary valve

Muzhi ZHU,Shengdun ZHAO,Jingxiang LI

Journal Article

Reversible data hiding using a transformer predictor and an adaptive embedding strategy

Linna ZHOU, Zhigao LU, Weike YOU, Xiaofei FANG,zhoulinna@bupt.edu.cn,luchen@uir.edu.cn,ywk@bupt.edu.cn

Journal Article

Research on fuzzy neural network control method for high-frequency vacuum drying of wood

Jiang Bin,Sun Liping,Cao Jun and Zhou Zheng

Journal Article

Research and Application of V/F-based Intelligent Multiplex Data-collecting System & Serial Communication

Jia Guixi,Li Hongfeng,Qi Wei

Journal Article

High frequency group pulse electrochemical machining

WU Gaoyang, ZHANG Zhijing, ZHANG Weimin, TANG Xinglun

Journal Article

High frequency of alternative splicing variants of the oncogene in neuroendocrine tumors of the pancreas

Journal Article

Series transformer based diode-bridge-type solid state fault current limiter

Amir HEIDARY,Hamid RADMANESH,Seyed Hamid FATHI,G. B. GHAREHPETIAN

Journal Article

Tests on impact effect of partial fracture at steel frame connections

CHEN Yiyi, BIAN Ruoning

Journal Article

analysis of PCBs and PCDD/Fs impurities in a dielectric oil sample (ASKAREL Nr 1740) from an imported transformer

Jun HUANG, Yamei HUI, Toru MATSUMURA, Gang YU, Shubo DENG, Makoto YAMAUCHI, Changmin WU, Norimasa YAMAZAKI

Journal Article

Target height and multipath attenuation joint estimation with complex scenarios for very high frequency

Sheng CHEN, Yongbo ZHAO, Yili HU, Chenghu CAO, Xiaojiao PANG

Journal Article