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State identification of home appliance with transient features in residential buildings

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 130-143 doi: 10.1007/s11708-022-0822-z

Abstract: Nonintrusive load monitoring (NILM) is crucial for extracting patterns of electricity consumption ofhousehold appliance that can guide users’ behavior in using electricity while their privacy is respectedThe use of transient features can achieve fast state inference and it is suitable for online load disaggregationThe proposed method was tested on a high-resolution data set such as Labeled hIgh-Frequency daTaset forElectricity Disaggregation (LIFTED) and it outperformed other related methods in the literature.

Keywords： nonintrusive load monitoring (NILM)     load disaggregation     online load disaggregation     Kalman filtering     factorial hidden Markov model (FHMM)     Labeled hIgh-Frequency daTaset for Electricity Disaggregation(LIFTED)    

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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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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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Experimental Study on the Piezoelectric Prestage Driver of Electrohydraulic Servo Valves

CHENG Guang-ming, SHEN Chuan-liang, YANG Zhi-gang

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 56-59 doi: 10.1007/s11465-005-0017-4

Abstract:

A piezoelectric actuated prestage driver of hydraulic servo valves for the low-frequency responseThe characteristics of good linearity, high resolution, and high-frequency response were approved.The natural frequency reached 1.201 kHz using finite element analysis, and the practice measurement result

Keywords： flexure-hinged amplifier     kHz     amplification     high-frequency     electromagnetic    

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Imposing Active Sources during High-Frequency Passive Surface-Wave Measurement Article

Feng Cheng,Jianghai Xia,Chao Shen,Yue Hu,Zongbo Xu,Binbin Mi

Engineering 2018, Volume 4, Issue 5,   Pages 685-693 doi: 10.1016/j.eng.2018.08.003

Abstract: surface-wave utilization has been intensively studied as a means of compensating for the shortage of low-frequencyseveral tens of hertz; thus, active surface-wave methods are often required in order to increase the frequencyTo reduce the amount of field work, we propose a strategy for a high-frequency passive surface-wave surveySpectral analysis indicates that the high-frequency energy is improved by imposing active sources duringThe results demonstrate the flexibility and applicability of the proposed method for high-frequency phase

Keywords： Passive surface wave     Active surface wave     High frequency     Mixed-source surface wave     Spatial autocorrelation    

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Super Resolution Perception for Improving Data Completeness in Smart Grid State Estimation Article

Gaoqi Liang, Guolong Liu, Junhua Zhao, Yanli Liu, Jinjin Gu, Guangzhong Sun, Zhaoyang Dong

Engineering 2020, Volume 6, Issue 7,   Pages 789-800 doi: 10.1016/j.eng.2020.06.006

Abstract: frequency.More complete system state data are needed to support high-frequency state estimation.The problem of improving data completeness by recovering high-frequency data from low-frequency datastudies have demonstrated the effectiveness and value of the proposed SRPNSE approach in recovering high-frequencydata from low-frequency data for the state estimation.

Keywords： State estimation     Low-frequency data     High-frequency data     Super resolution perception     Data completeness    

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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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p-type transition metal dichalcogenide used for the detection of ultra-trace amounts of diclofenac via a labeled

Abdolhamid Hatefi-Mehrjardi, Amirkhosro Beheshti-Marnani, Zarrin Es'haghi

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 823-831 doi: 10.1007/s11705-019-1797-0

Abstract: modify a glassy carbon electrode for the fabrication of a simple, stable, and repeatable methylene blue-labeledX-ray diffraction, energy-dispersive X-ray spectroscopy, field emission scanning electron microscopy, high

Keywords： labeled aptasensor     transition metal dichalcogenide     graphene oxide     sodium diclofenac    

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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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A hybrid fuel cell for water purification and simultaneously electricity generation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1611-6

Abstract:

● A novel hybrid fuel cell (F-HFC) was fabricated.

Keywords： Flow-through field     Hybrid fuel cell     Polyoxometalates     Water purification     Electricity generation    

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Low-carbon technology calls for comprehensive electricity-market redesign

Yang YU

Frontiers of Engineering Management 2019, Volume 6, Issue 1,   Pages 128-130 doi: 10.1007/s42524-019-0020-9

Abstract:

The energy transition also calls for electricity- market redesign.Low-carbon technologies will fundamentally reshape the electricity sector.The electricity generation and demand will be significantly unpredictable and uncontrollable thus requireThe higher difficulty induced by the green-technology penetration expose the electricity-market to aThus, the future low-carbon electricity-market and associated regulation scheme require a comprehensive

Keywords： low-carbon technology     electricity-system operation     market design    

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A systematic approach in load disaggregation utilizing a multi-stage classification algorithm for consumer

Chuan Choong YANG, Chit Siang SOH, Vooi Voon YAP

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 386-398 doi: 10.1007/s11708-017-0497-z

Abstract: The potential to save energy in existing consumer electrical appliances is very high.To recognize the energy consumption of consumer electrical appliances, the load disaggregation methodologyNon-intrusive appliance load monitoring (NIALM) is a load disaggregation methodology that disaggregatesIn this study, load disaggregation is performed through voltage and current waveform, known as the -The novelty of this paper is to establish a systematic approach of load disaggregation through - trajectory-based

Keywords： load disaggregation     voltage-current (V-I) trajectory     multi-stage classification algorithm    

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Relationship between electricity consumption and economic growth of Guangdong Province in China

Lianhong LV, Hong LUO, Baoliu ZHANG

Frontiers in Energy 2012, Volume 6, Issue 4,   Pages 351-355 doi: 10.1007/s11708-012-0209-7

Abstract: Guangdong is a province with the most electricity consumption (EC) and the fastest economic growth inHowever, there has long been a contradiction between electricity supply and demand in Guangdong and this

Keywords： co-integration     granger causality     electricity consumption (EC)     economic growth    

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Feature selection techniques for microarray datasets: a comprehensive review, taxonomy, and future directions Review

Kulanthaivel BALAKRISHNAN, Ramasamy DHANALAKSHMI,bala.k.btech@gmail.com,r_dhanalakshmi@yahoo.com

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 10,   Pages 1451-1478 doi: 10.1631/FITEE.2100569

Abstract:

For optimal results, retrieving a relevant feature from a has become a hot topic for researchers involved in the study of (FS) techniques. The aim of this review is to provide a thorough description of various, recent FS techniques. This review also focuses on the techniques proposed for s to work on multiclass classification problems and on different ways to enhance the performance of learning algorithms. We attempt to understand and resolve the imbalance problem of datasets to substantiate the work of researchers working on s. An analysis of the literature paves the way for comprehending and highlighting the multitude of challenges and issues in finding the optimal feature subset using various FS techniques. A case study is provided to demonstrate the process of implementation, in which three microarray cancer datasets are used to evaluate the classification accuracy and convergence ability of several wrappers and hybrid algorithms to identify the optimal feature subset.

Keywords： Feature selection     High dimensionality     Learning techniques     Microarray dataset    

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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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Title Author Date Type Operation

State identification of home appliance with transient features in residential buildings

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

Tests on impact effect of partial fracture at steel frame connections

CHEN Yiyi, BIAN Ruoning

Journal Article

Experimental Study on the Piezoelectric Prestage Driver of Electrohydraulic Servo Valves

CHENG Guang-ming, SHEN Chuan-liang, YANG Zhi-gang

Journal Article

Imposing Active Sources during High-Frequency Passive Surface-Wave Measurement

Feng Cheng,Jianghai Xia,Chao Shen,Yue Hu,Zongbo Xu,Binbin Mi

Journal Article

Super Resolution Perception for Improving Data Completeness in Smart Grid State Estimation

Gaoqi Liang, Guolong Liu, Junhua Zhao, Yanli Liu, Jinjin Gu, Guangzhong Sun, Zhaoyang Dong

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

p-type transition metal dichalcogenide used for the detection of ultra-trace amounts of diclofenac via a labeled

Abdolhamid Hatefi-Mehrjardi, Amirkhosro Beheshti-Marnani, Zarrin Es'haghi

Journal Article

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

Muzhi ZHU,Shengdun ZHAO,Jingxiang LI

Journal Article

A hybrid fuel cell for water purification and simultaneously electricity generation

Journal Article

Low-carbon technology calls for comprehensive electricity-market redesign

Yang YU

Journal Article

A systematic approach in load disaggregation utilizing a multi-stage classification algorithm for consumer

Chuan Choong YANG, Chit Siang SOH, Vooi Voon YAP

Journal Article

Relationship between electricity consumption and economic growth of Guangdong Province in China

Lianhong LV, Hong LUO, Baoliu ZHANG

Journal Article

Feature selection techniques for microarray datasets: a comprehensive review, taxonomy, and future directions

Kulanthaivel BALAKRISHNAN, Ramasamy DHANALAKSHMI,bala.k.btech@gmail.com,r_dhanalakshmi@yahoo.com

Journal Article

High frequency group pulse electrochemical machining

WU Gaoyang, ZHANG Zhijing, ZHANG Weimin, TANG Xinglun

Journal Article