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Research on the Longitudinal End Effect ofSingle Linear Induction Motor

Xu Wei,Sun Guangsheng

Strategic Study of CAE 2007, Volume 9, Issue 3,   Pages 21-27

Abstract: End effects and eddy currents bring ill impact to air gap magnetic flux which reduce its available magneticflux of air gap and pull coefficient.Then the article establishes SLIM control equations connected with the rotor-flux oriented(RFO)vectorcontrol theory in rotary motor.The paper brings forward uds, uqs, iqs online decouple compensation based on the rotor magnetic flux,

Keywords： single linear induction motor(SLIM)     rotor-flux oriented(RFO)control     end effect     decouple control     accommodation    

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A novel NN based rotor flux MRAS to overcome low speed problems for rotor resistance estimation in vector

Venkadesan ARUNACHALAM,Himavathi SRINIVASAN,A. MUTHURAMALINGAM

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 382-392 doi: 10.1007/s11708-016-0421-y

Abstract: resistance in vector control of induction motor (IM).The MRAS using rotor flux as the state variable with a two layer online trained neural network rotorflux estimator as the adaptive model (FLUX-MRAS) for rotor resistance estimation is popularly used invector control.These lead to a significant error in the estimation of rotor resistance at low speed.
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The Research on Rotor Magnetic Flux Oriented Control System for Bearingless Permanent Magnet Synchronous

Zhu Huangqiu,Wu Liang,Zhou Yang,Zhang Tengchao,Deng Jianming

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 35-40

Abstract: magnetic field oriented control strategy.A digital vector control system according to the demand of decoupling is designed by using TMS320LF2407The hardware and the software of the digital control system are developed in this paper.The experimental results have shown that the steady suspension of the rotor is realized and the speedof the rotor can be continuously adjusted within the range of 0〜3 000 r/min.

Keywords： bearingless permanent magnet synchronous motor     decoupling control     DSP     digital control    

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Direct field oriented control scheme for space vector modulated AC/DC/AC converter fed induction motor

F. BENCHABANE, A. TITAOUINE, O. BENNIS, K. YAHIA, D. TAIBI

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 129-137 doi: 10.1007/s11708-012-0183-0

Abstract: This paper investigates a Luenberger flux observer with speed adaptation for a direct field orientedcontrol of an induction motor.An improved method of speed estimation that operates on the principle of speed adaptive flux and currentSimulation results show that the proposed direct field oriented control with the proposed observer providesmode technique that enables minimization of harmonics introduced by the line converter, as well as the control

Keywords： induction motor     direct filed oriented control     Luenberger observer     estimation     space vector modulation(SVM)     sliding mode control     boost-rectifier    

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Induction motors variable speed drives diagnosis through rotor resistance monitoring

K. YAHIA, S. ZOUZOU, F. BENCHABANE

Frontiers in Energy 2012, Volume 6, Issue 4,   Pages 420-426 doi: 10.1007/s11708-012-0192-z

Abstract: Induction motor driven by vector control method makes high performance control of torque and speed possibleThe decoupling of flux and electromagnetic torque obtained by field orientation depends on the precisionRotor asymmetries lead to perturbations of air gap flux patterns in induction machines.) for a direct field-oriented control.The EKF estimates the rotor flux, speed and rotor resistance on line by using only measurements of the

Keywords： induction motor     vector control     broken rotor bars (BRBs) diagnostic     extended Kalman filter (EKF)    

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A modified neural learning algorithm for online rotor resistance estimation in vector controlled induction

A. CHITRA,S. HIMAVATHI

Frontiers in Energy 2015, Volume 9, Issue 1,   Pages 22-30 doi: 10.1007/s11708-014-0339-1

Abstract: Online estimation of rotor resistance is essential for high performance vector controlled drives.In this paper, a novel modified neural algorithm has been identified for the online estimation of rotorThe sensitivity of the rotor resistance change has been tested for a wide range of variation from -50%

Keywords： neural networks     back propagation (BP)     rotor resistance estimators     vector control     induction motor    

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Toxicity-oriented water quality engineering

Shengkun Dong, Chenyue Yin, Xiaohong Chen

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1259-4

Abstract: • Toxicity-oriented water quality monitoring was proposed. • Toxicity-oriented water quality engineeringcontrol was proposed. • Future issues to the proposition were discussed.water quality engineering – human health and environmental protection, we advocate here the toxicity-orientedwater quality monitoring and control.water quality control designs.

Keywords： Water     Wastewater     Mixture     Toxicity     Monitor     Control    

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Smooth tracking control for conversionmode of a tilt-rotor aircraft with switching modeling Research Article

Kebi LUO, Shuang SHI, Cong PENG

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 11,   Pages 1591-1600 doi: 10.1631/FITEE.2300266

Abstract: Furthermore, an scheme is designed to deal with the conversion mode control issue.Moreover, instead of limiting the amplitude of control inputs, a method is developed to create bumplessFinally, the XV-15 is chosen as a prototype to illustrate the effectiveness of this developed control

Keywords： Tilt-rotor aircraft     State-tracking control     Switched linear systems     Time-scheduled multiple Lyapunov    

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Ball-disk rotor gyroscope adaptive quick-starttechnique Article

Xiao-wei LIU, Rui WENG, Hai LI, Hai-feng ZHANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 9,   Pages 1430-1436 doi: 10.1631/FITEE.1600035

Abstract: Rotating speed is a critical parameter affecting the performanceof rotor gyroscopes.Rotor gyroscopes must operate at the rated rotatingspeed.To shorten the start time of the ball-disk rotor gyroscope,this paper presents a new design of the driveThird, a piecewise closed-loop control algorithmis implemented to keep the angular acceleration of theThis control algorithm can avoid rotorstalling due to loss of steps.

Keywords： Rotor gyroscope     Magnetically driven     Quick start     Piecewise algorithm     Closed-loop control    

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Stability and dynamics of rotor system with 45° slant crack on shaft

Yanli LIN, Xiaohui SI, Fulei CHU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 203-213 doi: 10.1007/s11465-011-0131-4

Abstract:

Crack on a shaft is one of the common damages in a rotor system.transverse vibrations are calculated to compare the influences of transverse crack and slant crack on the rotorResults show that the vibration amplitude of the rotor system with a 45° slant crack on the shaftis larger than that with a transverse crack when the two types of crack have the same depth and the rotorStability and dynamic characteristics of the rotor system with a 45° slant crack on the shaft under

Keywords： rotor dynamics     slant crack     stability     torsional excitation     open and close    

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Study on wave rotor refrigerators

Yuqiang DAI, Dapeng HU, Meixia DING

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 83-87 doi: 10.1007/s11705-009-0075-y

Abstract: As a novel generation of a rotational gas wave machine, the wave rotor refrigerator (WRR) is an unsteady

Keywords： wave rotor     refrigeration     unsteady flow theory     wave diagram    

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High heat flux thermal management through liquid metal driven with electromagnetic induction pump

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 460-470 doi: 10.1007/s11708-022-0825-9

Abstract: metal-based minichannel heat dissipation method was developed for cooling electric devices with high heat fluxThe results show that the liquid metal cooling system can dissipate heat flux up to 242 W/cm2flux

Keywords： high heat flux     liquid metal     electromagnetic pump     minichannel heat sink     thermal interface material    

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Observation of bioturbation and hyporheic flux in streambeds

Jinxi SONG, Xunhong CHEN, Cheng CHENG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 340-348 doi: 10.1007/s11783-010-0233-y

Abstract: The measurements of the vertical hydraulic gradient across the submerged streambed show that vertical flux

Keywords： invertebrate bioturbation     clogging     hyporheic exchange     streambed     the Elkhorn River    

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Optimization model for rotor blades of horizontal axis wind turbines

LIU Xiong, CHEN Yan, YE Zhiquan

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 483-488 doi: 10.1007/s11465-007-0084-9

Abstract: This paper presents an optimization model for rotor blades of horizontal axis wind turbines.

Keywords： population     extended     algorithm     developed optimization     accurate    

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The computational fluid dynamic modeling of downwash flow field for a six-rotor UAV

Yongjun ZHENG, Shenghui YANG, Xingxing LIU, Jie WANG, Tomas NORTON, Jian CHEN, Yu TAN

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 2,   Pages 159-167 doi: 10.15302/J-FASE-2018216

Abstract: The downwash flow field of the multi-rotor unmanned aerial vehicle (UAV), formed by propellers duringcharacteristics of the distribution of the downwash airflow and simulate the static wind field of multi-rotorUAVs in hovering state, a 3D full-size physical model of JF01-10 six-rotor plant protection UAV wasThese results can be applied to six-rotor plant protection UAVs employed in pesticide spraying and spray

Keywords： CFD simulation     downwash flow field     numerical analysis     plant protection     six-rotor UAV    

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Title Author Date Type Operation

Research on the Longitudinal End Effect ofSingle Linear Induction Motor

Xu Wei,Sun Guangsheng

Journal Article

A novel NN based rotor flux MRAS to overcome low speed problems for rotor resistance estimation in vector

Venkadesan ARUNACHALAM,Himavathi SRINIVASAN,A. MUTHURAMALINGAM

Journal Article

The Research on Rotor Magnetic Flux Oriented Control System for Bearingless Permanent Magnet Synchronous

Zhu Huangqiu,Wu Liang,Zhou Yang,Zhang Tengchao,Deng Jianming

Journal Article

Direct field oriented control scheme for space vector modulated AC/DC/AC converter fed induction motor

F. BENCHABANE, A. TITAOUINE, O. BENNIS, K. YAHIA, D. TAIBI

Journal Article

Induction motors variable speed drives diagnosis through rotor resistance monitoring

K. YAHIA, S. ZOUZOU, F. BENCHABANE

Journal Article

A modified neural learning algorithm for online rotor resistance estimation in vector controlled induction

A. CHITRA,S. HIMAVATHI

Journal Article

Toxicity-oriented water quality engineering

Shengkun Dong, Chenyue Yin, Xiaohong Chen

Journal Article

Smooth tracking control for conversionmode of a tilt-rotor aircraft with switching modeling

Kebi LUO, Shuang SHI, Cong PENG

Journal Article

Ball-disk rotor gyroscope adaptive quick-starttechnique

Xiao-wei LIU, Rui WENG, Hai LI, Hai-feng ZHANG

Journal Article

Stability and dynamics of rotor system with 45° slant crack on shaft

Yanli LIN, Xiaohui SI, Fulei CHU

Journal Article

Study on wave rotor refrigerators

Yuqiang DAI, Dapeng HU, Meixia DING

Journal Article

High heat flux thermal management through liquid metal driven with electromagnetic induction pump

Journal Article

Observation of bioturbation and hyporheic flux in streambeds

Jinxi SONG, Xunhong CHEN, Cheng CHENG,

Journal Article

Optimization model for rotor blades of horizontal axis wind turbines

LIU Xiong, CHEN Yan, YE Zhiquan

Journal Article

The computational fluid dynamic modeling of downwash flow field for a six-rotor UAV

Yongjun ZHENG, Shenghui YANG, Xingxing LIU, Jie WANG, Tomas NORTON, Jian CHEN, Yu TAN

Journal Article