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Exponential response electrical pole-changing method for a five-phase induction machine with a current Article

Jia-qiang YANG, Rong-sen YIN, Xiao-jun ZHANG, Jin HUANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 8,   Pages 1151-1166 doi: 10.1631/FITEE.1601728

Abstract: To reduce the torque ripple and speed fluctuation of the machine, we investigate an exponential responseapplied instead of conventional proportional integral (PI) controllers to adjust the current vectors, and exponentialcurrent response achieves a smooth transition between the d1–q1 and d2–q2 planes.Compared with the step response pole-changing with PI control method, the proposed pole-changing method

Keywords： Five-phase induction machine     Pole-change     Sliding-mode control     Exponential response     Torque ripple    

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General closed-form inverse kinematics for arbitrary three-joint subproblems based on the product of exponential

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0681-7

Abstract: problems of robots are usually decomposed into several Paden–Kahan subproblems based on the product of exponential

Keywords： inverse kinematics     Paden–Kahan subproblems     three-joint subproblems     product of exponential     closed-form    

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Ultrasonic linear motor using the L-B mode Langevin transducer with an exponential horn

SHI Shengjun, CHEN Weishan, LIU Junkao, ZHAO Xuetao

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 212-217 doi: 10.1007/s11465-008-0026-1

Abstract: An ultrasonic linear motor is proposed and fabricated by using the longitudinal and bending vibration double mode bolt-clamped Langevin type transducer to meet high power and speed requirements in the aerospace and semiconductor ind

Keywords： longitudinal     vibration     bolt-clamped     semiconductor     ultrasonic    

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Research of the Exponential Smoothing Technology forForecasting Slope Displacement

Shen Liangfeng

Strategic Study of CAE 2007, Volume 9, Issue 6,   Pages 94-97

Abstract:

Exponential smoothing is an efficient method for forecasting and decision-making The forecasting model of exponential smoothing to forecast the displacement at Observation PointAccording to the characteristics of observation forecast formula with linear trend of the twice exponentialsmoothing,  appropriate formulae calculating at,  bt and suitable exponential smoothing value

Keywords： exponential smoothing     forecasting slope displacement self-adaptive filtering    

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Exponential polynomial uniform splines model

Zhao Yanli,Ping Ping,Liu Fengyu

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 147-152

Abstract:

 A new model of k( k ≥ 3) order exponential polynomial uniformThe spline curves which are constructed by the exponential polynomial uniform splines can adjust the

Keywords： exponential polynomial uniform spline function     uniform B - spline function     shape parameter    

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Minimization of total energy consumption in an m-machine flow shop with an exponential time-dependent

Lingxuan LIU, Zhongshun SHI, Leyuan SHI

Frontiers of Engineering Management 2018, Volume 5, Issue 4,   Pages 487-498 doi: 10.15302/J-FEM-2018042

Abstract:

This study investigates an energy-aware flow shop scheduling problem with a time-dependent learning effect. The relationship between the traditional and the proposed scheduling problem is shown and objective is to determine a job sequence in which the total energy consumption is minimized. To provide an efficient solution framework, composite lower bounds are proposed to be used in a solution approach with the name of Bounds-based Nested Partition (BBNP). A worst-case analysis on shortest process time heuristic is conducted for theoretical measurement. Computational experiments are performed on randomly generated test instances to evaluate the proposed algorithms. Results show that BBNP has better performance than conventional heuristics and provides considerable computational advantage.

Keywords： flow shop     energy-aware scheduling     learning effect     nested partition     worst-case error bound    

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Reaction kinetics of CaC

Renxing Wang,Zhenyu Liu,Leiming Ji,Xiaojin Guo,Xi Lin,Junfei Wu,Qingya Liu

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4,   Pages 517-525 doi: 10.1007/s11705-016-1585-z

Abstract: The apparent activation energy and pre-exponential factor of the powder feed were estimated to 346–354

Keywords： calcium carbide     kinetic model     activation energy     pre-exponential factor    

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Metabolic flux analysis on arachidonic acid fermentation

JIN Mingjie, HUANG He, ZHANG Kun, YAN Jie, GAO Zhen

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 421-426 doi: 10.1007/s11705-007-0077-6

Abstract: During the exponential, decelerating and stationary phase, carbon fluxes to AA were 3.28%, 8.80% and

Keywords： AA     different fermentation     concentration N-source     exponential     metabolic    

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Correcting Model of Viscosity with Exponential Function Derived and Its Application

Qu Qingwen,Wang Mei,Chai Shan,Yao Fusheng

Strategic Study of CAE 2001, Volume 3, Issue 10,   Pages 53-58

Abstract: interaction of molecules and basic definition of hydromechanics, correcting model of viscosity with exponential

Keywords： adsorbent layer     viscosity     thin film lubrication     bearing    

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Parameter estimation in exponential models by linear and nonlinear fitting methods Article

Ping YANG,Chao-peng WU,Yi-lu GUO,Hong-bo LIU,Hui HUANG,Hang-zhou WANG,Shu-yue ZHAN,Bang-yi TAO,Quan-quan MU,Qiang WANG,Hong SONG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 3,   Pages 434-444 doi: 10.1631/FITEE.1601683

Abstract: Estimation of unknown parameters in exponential models by linear and nonlinear fitting methods is discussed

Keywords： Exponential model     Parameter estimation     Linear least squares     Nonlinear fitting    

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Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 129-141 doi: 10.1007/s11709-007-0014-2

Abstract: The assumption and problem of the mode-superposition response spectrum method in seismic design codeThe progresses on the mode superposition response spectrum theory are discussed.multiple-support seismic excitations and deducing corresponding method; 4) the approach for calculation of seismic responseof the non-classically damped system with overcritical damping and the calculation method of seismic response

Keywords： generalization     classical damping     mode-superposition response     calculation formula     damping theory    

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Confining pressure effect on dynamic response of high rockfill dam

Xuexing CAO, Yunlong HE, Kun XIONG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 116-126 doi: 10.1007/s11709-010-0014-5

Abstract: A corresponding computational procedure was compiled and applied in the dynamic response analysis of

Keywords： confining pressure effect     high rockfill dam     dynamic response     Hardin-Drnevich constitutive model    

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Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 593-606 doi: 10.1007/s11465-021-0636-4

Abstract: method for the continuum topology optimization of transient vibration problem with maximum dynamic responseAn aggregated index in the form of an integral function is presented to cope with the maximum responseThrough comparison with the corresponding static response from the final designs, the optimized results

Keywords： topology optimization     solid isotropic material with penalization     transient response     aggregation function    

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Two-phase early prediction method for remaining useful life of lithium-ion batteries based on a neural network and Gaussian process regression

Frontiers in Energy doi: 10.1007/s11708-023-0906-4

Abstract: distance is considered to have a similar degradation pattern, which is used to determine the initial Dual Exponential

Keywords： lithium-ion batteries     RUL prediction     double exponential model     neural network     Gaussian process regression    

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Dynamic response of precast segmental bridge columns under heavy truck impact

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 327-349 doi: 10.1007/s11709-023-0911-z

Abstract: Considering the wide application of precast segmental bridge columns (PSBCs) in engineering practice, impact-resistant performance has gained significant attention. However, few studies have focused on PSBCs subjected to high-energy impacts caused by heavy truck collisions. Therefore, the behavior of PSBCs under a heavy truck impact was investigated in this study using high-fidelity finite element (FE) models. The detailed FE modeling methods of the PSBCs and heavy trucks were validated against experimental tests. The validated modeling methods were employed to simulate collisions between PSBCs and heavy trucks. The simulation results demonstrated that the engine and cargo caused two major peak impact forces during collision. Subsequently, the impact force, failure mode, displacement, and internal force of the PSBCs under heavy truck impacts were scrutinized. An extensive study was performed to assess the influence of the section size, truck weight, impact velocity, and number of precast segments on the impact responses. The truck weight was found to have a minor effect on the engine impact force. Damage was found to be localized at the bottom of the three segments, with the top remaining primarily undamaged. This parametric study demonstrated that larger cross-sections may be a preferred option to protect PSBCs against the impact of heavy trucks.

Keywords： precast segmental bridge columns     heavy truck     collision     dynamic response    

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Title Author Date Type Operation

Exponential response electrical pole-changing method for a five-phase induction machine with a current

Jia-qiang YANG, Rong-sen YIN, Xiao-jun ZHANG, Jin HUANG

Journal Article

General closed-form inverse kinematics for arbitrary three-joint subproblems based on the product of exponential

Journal Article

Ultrasonic linear motor using the L-B mode Langevin transducer with an exponential horn

SHI Shengjun, CHEN Weishan, LIU Junkao, ZHAO Xuetao

Journal Article

Research of the Exponential Smoothing Technology forForecasting Slope Displacement

Shen Liangfeng

Journal Article

Exponential polynomial uniform splines model

Zhao Yanli,Ping Ping,Liu Fengyu

Journal Article

Minimization of total energy consumption in an m-machine flow shop with an exponential time-dependent

Lingxuan LIU, Zhongshun SHI, Leyuan SHI

Journal Article

Reaction kinetics of CaC

Renxing Wang,Zhenyu Liu,Leiming Ji,Xiaojin Guo,Xi Lin,Junfei Wu,Qingya Liu

Journal Article

Metabolic flux analysis on arachidonic acid fermentation

JIN Mingjie, HUANG He, ZHANG Kun, YAN Jie, GAO Zhen

Journal Article

Correcting Model of Viscosity with Exponential Function Derived and Its Application

Qu Qingwen,Wang Mei,Chai Shan,Yao Fusheng

Journal Article

Parameter estimation in exponential models by linear and nonlinear fitting methods

Ping YANG,Chao-peng WU,Yi-lu GUO,Hong-bo LIU,Hui HUANG,Hang-zhou WANG,Shu-yue ZHAN,Bang-yi TAO,Quan-quan MU,Qiang WANG,Hong SONG

Journal Article

Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Journal Article

Confining pressure effect on dynamic response of high rockfill dam

Xuexing CAO, Yunlong HE, Kun XIONG,

Journal Article

Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Journal Article

Two-phase early prediction method for remaining useful life of lithium-ion batteries based on a neural network and Gaussian process regression

Journal Article

Dynamic response of precast segmental bridge columns under heavy truck impact

Journal Article