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Wavelet-based iterative data enhancement for implementation in purification of modal frequency for extremely

Hassan YOUSEFI, Alireza TAGHAVI KANI, Iradj MAHMOUDZADEH KANI, Soheil MOHAMMADI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 446-472 doi: 10.1007/s11709-019-0605-8

Abstract: The main purpose of the present study is to enhance high-level noisy data by a wavelet-based iterativefor identification of natural frequencies during ambient wind vibrational tests on a petrochemical processFor this iterative method, a simple computational approach is proposed to estimate the dynamic threshold

Keywords： ambient vibration test     high level noise     iterative signal enhancement     wavelet     cross and autocorrelation    

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Iterative finite element model of nonlinear viscoplastic analyses for blended granular porous media

WU Yuching, ZHU Cimian

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 464-473 doi: 10.1007/s11709-007-0063-6

Abstract: The iterative finite element model, in which an element is used to represent a single particle, is generated

Keywords： nonlinear viscoplastic     iterative     behavior     multiple-material    

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Improving prodeoxyviolacein production via multiplex SCRaMbLE iterative cycles

Juan Wang, Bin Jia, Zexiong Xie, Yunxiang Li, Yingjin Yuan

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 806-814 doi: 10.1007/s11705-018-1739-2

Abstract: and continuously generate genome diversification with the desired phenotype, the multiplex SCRaMbLE iterative

Keywords： synthetic biology     genome rearrangement     prodeoxyviolacein     SCRaMbLE     Saccharomyces cerevisiae    

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A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamic lubrication

Jian LIU,Yuxue CHEN,Zhenzhi HE,Shunian YANG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 156-167 doi: 10.1007/s11465-014-0297-7

Abstract:

A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamicFirst, by introducing a special matrix splitting iteration method into the traditional compound direct iterativeresults of transient EHL line contact problems under sinusoidal excitation or pure normal approach processthe new algorithm increases computing speed several times more than the traditional compound direct iterative

Keywords： elastohydrodynamic lubrication     transient     line contact     matrix splitting iteration method     the Thomas method    

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Fuzzy iterative learning control and numerical simulation of tall building seismic response control

Wang Quan,Wang Jianguo,Zhang Mingxiang

Strategic Study of CAE 2011, Volume 13, Issue 4,   Pages 81-86

Abstract: text-align: justify;">With research into the fundamental ideas of self tuning control, fuzzy logic and iterativelearning control (ILC), this paper provides a new type of fuzzy iterative learning control strategyIt improves the robustness of the iterative learning control.The result of simulation shows that fuzzy iterative learning control strategy can control the seismic

Keywords： tall building     seismic response     iterative learning control     fuzzy control    

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Disturbance rejection via iterative learning controlwith a disturbance observer for active magnetic bearing None

Ze-zhi TANG, Yuan-jin YU, Zhen-hong LI, Zheng-tao DING

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 1,   Pages 131-140 doi: 10.1631/FITEE.1800558

Abstract:

Although standard iterative learning control (ILC) approaches can achieve perfect tracking for active

Keywords： Active magnetic bearings (AMBs)     Iterative learning control (ILC)     Disturbance observer    

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Non-iterative parameter estimation of the 2R-1Cmodel suitable for low-cost embedded hardware Article

Mitar SIMIĆ, Zdenka BABIĆ, Vladimir RISOJEVIĆ, Goran M. STOJANOVIĆ

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 3,   Pages 476-490 doi: 10.1631/FITEE.1900112

Abstract: Parameter estimation of the 2R-1C model is usually performed using iterative methods that require high-performanceIn this study, we propose the quadratic interpolation non-iterative parameter estimation (QINIPE) methodreduces the number of required measurement points by 80% in comparison with our previously reported non-iterativeBoth non-iterative methods are implemented on a microcontroller-based device; the estimation accuracy

Keywords： 2R-1C model     Embedded systems     Parameter estimation     Non-iterative methods     Quadratic interpolation    

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Iterative HOEO fusion strategy: a promising tool for enhancing bearing fault feature

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0725-z

Abstract: As parameter independent yet simple techniques, the energy operator (EO) and its variants have received considerable attention in the field of bearing fault feature detection. However, the performances of these improved EO techniques are subjected to the limited number of EOs, and they cannot reflect the non-linearity of the machinery dynamic systems and affect the noise reduction. As a result, the fault-related transients strengthened by these improved EO techniques are still subject to contamination of strong noises. To address these issues, this paper presents a novel EO fusion strategy for enhancing the bearing fault feature nonlinearly and effectively. Specifically, the proposed strategy is conducted through the following three steps. First, a multi-dimensional information matrix (MDIM) is constructed by performing the higher order energy operator (HOEO) on the analysis signal iteratively. MDIM is regarded as the fusion source of the proposed strategy with the properties of improving the signal-to-interference ratio and suppressing the noise in the low-frequency region. Second, an enhanced manifold learning algorithm is performed on the normalized MDIM to extract the intrinsic manifolds correlated with the fault-related impulses. Third, the intrinsic manifolds are weighted to recover the fault-related transients. Simulation studies and experimental verifications confirm that the proposed strategy is more effective for enhancing the bearing fault feature than the existing methods, including HOEOs, the weighting HOEO fusion, the fast Kurtogram, and the empirical mode decomposition.

Keywords： higher order energy operator     fault diagnosis     manifold learning     rolling element bearing     information fusion    

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Applications of traditional pump design theory to artificial heart and CFD simulation

WANG Yingpeng, SONG Xinwei, YING Chuntong

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 504-507 doi: 10.1007/s11708-008-0059-5

Abstract: The pump head range and the velocity triangle were introduced and an iterative approach was utilized

Keywords： computational     high-efficiency artificial     iterative approach     artificial     traditional    

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Adaptive Optimization of Correlation-Interval for DopplerSpread Estimation and Its Iterative Implement

Zhang Peng,Bi Guangguo,Cao Xiuying,Yuan Xiaohui

Strategic Study of CAE 2007, Volume 9, Issue 6,   Pages 71-76

Abstract: Based on them an iterative correlation-interval optimized (CIO) algorithm is proposed.

Keywords： Doppler spread     autocorrelation     optimization     iteration    

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A Geodesign Method of Human-Energy-Water Interactive Systems for Urban Infrastructure Design: 10KM2 Near-Zero District Project in Shanghai Article

Perry Pei-Ju Yang, Cheryl Shu-Fang Chi, Yihan Wu, Steven Jige Quan

Engineering 2018, Volume 4, Issue 2,   Pages 182-189 doi: 10.1016/j.eng.2018.03.014

Abstract: Traditional urban design methods focus on the form-making process and lack performance dimensions.

Keywords： Geodesign     Urban design     Urban infrastructure     Energy performance     Iterative process     Multi-objective optimization    

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A New Real-time Detecting Method for Harmonic Current Based on Iterative Algorithm in Active Power Filter

Li Zicheng,Sun Yukun

Strategic Study of CAE 2006, Volume 8, Issue 1,   Pages 46-50

Abstract: foundation of load current analysis, a new real-time detecting method for harmonic current based on iterative

Keywords： active power filter     harmonics current     active current     reactive current    

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Enhanced solution to the surface–volume–surface EFIE for arbitrary metal–dielectric composite objects Research Article

Han WANG, Mingjie PANG, Hai LIN

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 7,   Pages 1098-1109 doi: 10.1631/FITEE.2100387

Abstract: considering only three-region metal–dielectric composite scatters was presented, and the two-stage process

Keywords： Composite object     Integral equation     Method of moments (MoM)     Addition theorem     Iterative method    

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Applications of the crystallization process in the pharmaceutical industry

Sohrab ROHANI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 1,   Pages 2-9 doi: 10.1007/s11705-009-0297-z

Abstract: applications of the crystallization technique in the pharmaceutical industry as a purification and separation processThe effect of process variables and solvent on the polymorphism and morphology of stavudine is discussed

Keywords： feedback     morphology     pulmonary     paracetamol     recognition    

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Degradation of refractory organics in concentrated leachate by the Fenton process: Central compositedesign for process optimization

Senem Yazici Guvenc, Gamze Varank

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1294-1

Abstract: the treatability of leachate nanofiltration concentrate through Fenton oxidation and optimization of processThe Fenton process improves the biodegradability of the leachate NF concentrate, increasing the BOD5/The operational cost of the process is calculated to be 0.238 €/g CODremoved.The results indicate that the Fenton oxidation process is an efficient and economical technology in improvement

Keywords： Concentrated leachate     Fenton oxidation     Central composite design     Biodegradability     Inert COD    

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Title Author Date Type Operation

Wavelet-based iterative data enhancement for implementation in purification of modal frequency for extremely

Hassan YOUSEFI, Alireza TAGHAVI KANI, Iradj MAHMOUDZADEH KANI, Soheil MOHAMMADI

Journal Article

Iterative finite element model of nonlinear viscoplastic analyses for blended granular porous media

WU Yuching, ZHU Cimian

Journal Article

Improving prodeoxyviolacein production via multiplex SCRaMbLE iterative cycles

Juan Wang, Bin Jia, Zexiong Xie, Yunxiang Li, Yingjin Yuan

Journal Article

A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamic lubrication

Jian LIU,Yuxue CHEN,Zhenzhi HE,Shunian YANG

Journal Article

Fuzzy iterative learning control and numerical simulation of tall building seismic response control

Wang Quan,Wang Jianguo,Zhang Mingxiang

Journal Article

Disturbance rejection via iterative learning controlwith a disturbance observer for active magnetic bearing

Ze-zhi TANG, Yuan-jin YU, Zhen-hong LI, Zheng-tao DING

Journal Article

Non-iterative parameter estimation of the 2R-1Cmodel suitable for low-cost embedded hardware

Mitar SIMIĆ, Zdenka BABIĆ, Vladimir RISOJEVIĆ, Goran M. STOJANOVIĆ

Journal Article

Iterative HOEO fusion strategy: a promising tool for enhancing bearing fault feature

Journal Article

Applications of traditional pump design theory to artificial heart and CFD simulation

WANG Yingpeng, SONG Xinwei, YING Chuntong

Journal Article

Adaptive Optimization of Correlation-Interval for DopplerSpread Estimation and Its Iterative Implement

Zhang Peng,Bi Guangguo,Cao Xiuying,Yuan Xiaohui

Journal Article

A Geodesign Method of Human-Energy-Water Interactive Systems for Urban Infrastructure Design: 10KM2 Near-Zero District Project in Shanghai

Perry Pei-Ju Yang, Cheryl Shu-Fang Chi, Yihan Wu, Steven Jige Quan

Journal Article

A New Real-time Detecting Method for Harmonic Current Based on Iterative Algorithm in Active Power Filter

Li Zicheng,Sun Yukun

Journal Article

Enhanced solution to the surface–volume–surface EFIE for arbitrary metal–dielectric composite objects

Han WANG, Mingjie PANG, Hai LIN

Journal Article

Applications of the crystallization process in the pharmaceutical industry

Sohrab ROHANI

Journal Article

Degradation of refractory organics in concentrated leachate by the Fenton process: Central compositedesign for process optimization

Senem Yazici Guvenc, Gamze Varank

Journal Article