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Modal analysis of acoustic leak signal in pipelines using time-frequency analysis

JIAO Jing-pin, FEI Ren-yuan, HE Cun-fu, WU Bin

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 146-150 doi: 10.1007/s11465-006-0013-3

Abstract: In this paper, the acoustic leak signal is analyzed in the time-frequency domain.Based on the relation of time-frequency distribution of the acoustic leak signal and the dispersion curves

Keywords： dispersion     selection     guided     research     time-frequency    

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General expression for linear and nonlinear time series models

Ren HUANG, Feiyun XU, Ruwen CHEN

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 15-24 doi: 10.1007/s11465-009-0015-z

Abstract: The typical time series models such as ARMA, AR, and MA are founded on the normality and stationarityThis paper proposes a general expression for linear and nonlinear auto-regressive time series modelsThe modeling and prediction accuracy of the GNAR model is superior to the classical time series models

Keywords： linear and nonlinear     autoregressive model     system identification     time series analysis    

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Improved numerical method for time domain dynamic structure-foundation interaction analysis based on

DU Jianguo, LIN Gao

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 336-342 doi: 10.1007/s11709-008-0054-2

Abstract: Based on the reduced set of base function in scaled boundary finite element method (SBFEM), an improved timedomain numerical approach for the dynamic structure-foundation interaction analysis was proposed.be concluded that the proposed approach is suitable for large-scale structure-foundation interaction analysis

Keywords： structure-foundation interface     computational efficiency     different     suitable     numerical approach    

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Employing electricity-consumption monitoring systems and integrative time-series analysis models: A case

Seiya MAKI, Shuichi ASHINA, Minoru FUJII, Tsuyoshi FUJITA, Norio YABE, Kenji UCHIDA, Gito GINTING, Rizaldi BOER, Remi CHANDRAN

Frontiers in Energy 2018, Volume 12, Issue 3,   Pages 426-439 doi: 10.1007/s11708-018-0560-4

Abstract: innovation in smart energy monitoring technologies, the identification of appropriate methods for detailed time-seriesanalysis, and the application of these technologies at urban and national scales.The real-time SEMS data and time-series clustering to explore similarities in electricity consumption

Keywords： electricity monitoring     electricity demand prediction     multiple-variable time-series modeling     time-seriescluster analysis     Indonesia    

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Real time monitoring for analysis of dam stability: Potential of nonlinear elasticity and nonlinear dynamics

T. CHELIDZE, T. MATCHARASHVILI, V. ABASHIDZE, M. KALABEGISHVILI, N. ZHUKOVA

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 188-205 doi: 10.1007/s11709-013-0199-5

Abstract: high quality continuous records of some geotechnical characteristic(s) of a dam and modern methods of timeseries linear/nonlinear analysis the main dynamical features of the entire, unknown process (here—damBesides, recently developed linear/nonlinear data analysis and prediction schemes may help to quantifyThe proposed real-time telemetric monitoring (DAMWATCH) complex and linear/nonlinear dynamical analysis

Keywords： real time monitoring     telemetry     dam tilts     diagnostic tools     hysteresis     nonlinear dynamics    

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Split-order consolidation optimization for online supermarkets: Process analysis and optimization models

Frontiers of Engineering Management   Pages 499-516 doi: 10.1007/s42524-022-0221-5

Abstract: Then, a time–space network optimization model is built, and its corresponding solution algorithm is presentednumerical experiments are provided to verify the effectiveness of the algorithm, and a sensitivity analysis

Keywords： online supermarkets     split-order consolidation     time–space network     genetic algorithm    

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Operation safety risk analysis method of hydropower project considering time-dependent effect

Zhang Sherong,YanLei

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 51-55

Abstract:

In order to consider the time-dependent characteristic of risk factorsproject is established on the comprehensive application of the improved analytic hierarchy process, the time-dependentA scheme to demonstrate the time-dependent risk rate assessment method for an example of the earth-rockrisk rate is closely related to both the service period and design standard; considering the effect of time-dependent, the risk rate increases with time and the intersection of them reflects the technical service life

Keywords： operation safety of hydropower project     risk analysis     risk rate assessment     time-dependent reliability    

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Non-stationary signal analysis based on general parameterized time--frequency transform and its application

Peng ZHOU, Zhike PENG, Shiqian CHEN, Yang YANG, Wenming ZHANG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 292-300 doi: 10.1007/s11465-017-0443-0

Abstract: Since the time-frequency (TF) pattern of the vibration signal from the rotary machine often containscondition information and fault feature, the methods based on TF analysis have been widely-used to solveThis article introduces an effective non-stationary signal analysis method based on the general parameterizedtime–frequency transform (GPTFT).The GPTFT is achieved by inserting a rotation operator and a shift operator in the short-time Fourier

Keywords： rotary machines     condition monitoring     fault diagnosis     GPTFT     SCI    

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The Application of Comprehensive Service Flying Hour to the Failure Analysis of Corrosion Fatigue Life

Lin Ming,Jin Ping,Sun Mingli

Strategic Study of CAE 2001, Volume 3, Issue 3,   Pages 65-67

Abstract: To most military aircrafts, the ground parking time accounts for more than 90% of the aircraft servicedetermined based on the environmental spectrum of aircraft service, in which factors such as flying time, calendar time and comprehensive service flying time are taken into account.As a typical example, based on the analysis of the axle neck crack of axial hinge in certain type of, calendar time and comprehensive service flying time.

Keywords： corrosion     corrosion fatigue     flying time     calendar time     comprehensive service flying time    

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Operating characteristic analysis on the ultra-thin low temperature floor-heating system

Hualing ZHANG, Xiaopeng SONG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 127-132 doi: 10.1007/s11709-013-0200-3

Abstract: But the preheating time was up to 4.5 h which was 1 h longer than that at supply water temperature 50standard families which just stay home at night should adopt the interim mode of partial room with part time

Keywords： ultra-thin floor heating panel     the preheating time     thermal comfort     energy saving    

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Decomposition analysis of energy-related carbon dioxide emissions in the iron and steel industry in China

Wenqiang SUN, Jiuju CAI, Hai YU, Lei DAI

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 265-270 doi: 10.1007/s11783-011-0284-8

Abstract: The logarithmic mean divisia index (LMDI) technique was applied with period-wise analysis and time-seriesanalysis.

Keywords： carbon dioxide (CO2) emissions     decomposition analysis     logarithmic mean divisia index (LMDI) technique     time-series analysis    

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Time Series Diagnosing Analysis for the Fatigue Crack of Large-scale and Heavyburden Supporting Shafts

Li Xuejun,Bin Guangfu,Wang Yuqing

Strategic Study of CAE 2006, Volume 8, Issue 4,   Pages 50-53

Abstract: vibration signal characteristic, the model of the vibration signal is established by the method of timeshafts' fatigue crack is diagnosed effectively.The result of experiment shows that the method of timelarge-scale and heavyburden supporting shafts is more sensitive and effective than the normal method using time-frequency

Keywords： large-scale and heavyburden machine     supporting shaft     concealment part     fatigue crack     time series    

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Design and analysis of electrothermal metasurfaces

Xiu LIU, Zhuo LI, Zexiao WANG, Hyeong Seok YUN, Sheng SHEN

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 134-140 doi: 10.1007/s11708-022-0841-9

Abstract: More importantly, such a small footprint due to the finite array size yields response time down to adirection perpendicular to the axis of nanorods is found to be insensitive to the resonance and response time

Keywords： modulated thermal infrared radiation     metasurface     nanosecond response time     sub-Kelvin temperature uniformity    

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Seismic analysis of a super high-rise steel structure with horizontal strengthened storeys

Yuanqing WANG, Hui ZHOU, Yongjiu SHI, Yi HUANG, Gang SHI, Siqing WEN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 394-404 doi: 10.1007/s11709-011-0116-8

Abstract: ., mode-superposition response spectrum analysis and time-history analysis, were employed to calculateThe response spectrum analysis indicated that transition parts near the three strengthened storeys wereIn the response spectrum analysis approach, the Square Root of Sum of Square (SRSS) method was recommendedWith the aid of time-history analysis, the seismic responses of the structure were obtained.The whiplash effect that spectrum analysis cannot reveal was observed through time-history analysis.

Keywords： seismic analysis     steel structure     super high-rise     horizontal strengthened storey     response spectrum analysis     time-history analysis    

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Title Author Date Type Operation

Modal analysis of acoustic leak signal in pipelines using time-frequency analysis

JIAO Jing-pin, FEI Ren-yuan, HE Cun-fu, WU Bin

Journal Article

General expression for linear and nonlinear time series models

Ren HUANG, Feiyun XU, Ruwen CHEN

Journal Article

Improved numerical method for time domain dynamic structure-foundation interaction analysis based on

DU Jianguo, LIN Gao

Journal Article

Employing electricity-consumption monitoring systems and integrative time-series analysis models: A case

Seiya MAKI, Shuichi ASHINA, Minoru FUJII, Tsuyoshi FUJITA, Norio YABE, Kenji UCHIDA, Gito GINTING, Rizaldi BOER, Remi CHANDRAN

Journal Article

Real time monitoring for analysis of dam stability: Potential of nonlinear elasticity and nonlinear dynamics

T. CHELIDZE, T. MATCHARASHVILI, V. ABASHIDZE, M. KALABEGISHVILI, N. ZHUKOVA

Journal Article

Split-order consolidation optimization for online supermarkets: Process analysis and optimization models

Journal Article

Operation safety risk analysis method of hydropower project considering time-dependent effect

Zhang Sherong,YanLei

Journal Article

Non-stationary signal analysis based on general parameterized time--frequency transform and its application

Peng ZHOU, Zhike PENG, Shiqian CHEN, Yang YANG, Wenming ZHANG

Journal Article

The Application of Comprehensive Service Flying Hour to the Failure Analysis of Corrosion Fatigue Life

Lin Ming,Jin Ping,Sun Mingli

Journal Article

Operating characteristic analysis on the ultra-thin low temperature floor-heating system

Hualing ZHANG, Xiaopeng SONG

Journal Article

Decomposition analysis of energy-related carbon dioxide emissions in the iron and steel industry in China

Wenqiang SUN, Jiuju CAI, Hai YU, Lei DAI

Journal Article

Time Series Diagnosing Analysis for the Fatigue Crack of Large-scale and Heavyburden Supporting Shafts

Li Xuejun,Bin Guangfu,Wang Yuqing

Journal Article

Design and analysis of electrothermal metasurfaces

Xiu LIU, Zhuo LI, Zexiao WANG, Hyeong Seok YUN, Sheng SHEN

Journal Article

Seismic analysis of a super high-rise steel structure with horizontal strengthened storeys

Yuanqing WANG, Hui ZHOU, Yongjiu SHI, Yi HUANG, Gang SHI, Siqing WEN

Journal Article

Wang Wei: Elsevier Scientific Research Information Big Data Real-time Support Epidemic Analysis (2020

18 Aug 2022

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