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Hierarchical parameter estimation of DFIG and drive train system in a wind turbine generator

Xueping PAN, Ping JU, Feng WU, Yuqing JIN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 367-376 doi: 10.1007/s11465-017-0429-y

Abstract:

A new hierarchical parameter estimation method for doubly fed induction generator (DFIG) and drivetrain system in a wind turbine generator (WTG) is proposed in this paper.Firstly, the parameters of the DFIG and the drive train are estimated locally under different types ofa coordination estimation method is further applied to identify the parameters of the DFIG and the drivetrain simultaneously with the purpose of attaining the global optimal estimation results.

Keywords： wind turbine generator     DFIG     drive train system     hierarchical parameter estimation method     trajectory sensitivity    

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Effects of elastic support on the dynamic behaviors of the wind turbine drive train

Shuaishuai WANG, Caichao ZHU, Chaosheng SONG, Huali HAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 348-356 doi: 10.1007/s11465-017-0420-7

Abstract: train.Then, the dynamic behaviors of the drive train for different elastic support parameters were computedtrain.train.train.

Keywords： wind turbine drive train     elastic support     dynamic behavior     frequency response function    

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An investigation into the vibration of harmonic drive systems

M. Masoumi, H. Alimohammadi

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 409-419 doi: 10.1007/s11465-013-0275-5

Abstract:

Harmonic drive systems are precise and specific transmission gear systems which are beneficial inThis paper presents a vibration analysis of harmonic drive systems using the shell theory.Equations of vibration for the flexspline and the circular spline of the system are derived and usedto find the natural frequencies for both parts and, moreover, vibration response of the system underthe flexspline and its gear tooth, eccentricity, and unbalancing on the vibrational behavior of the system

Keywords： harmonic drive system     strain wave gearing mechanism     vibration analysis     natural frequencies    

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How to Deal with Revolutions in Train Control Systems

Hideo Nakamura

Engineering 2016, Volume 2, Issue 3,   Pages 380-386 doi: 10.1016/J.ENG.2016.03.015

Abstract:

Train control systems ensure the safety of railways.This paper begins with a summary of the typical train control systems in Japan and Europe.Based on this summary, the author then raises the following question regarding current train controlA new unified train control system (UTCS) is proposed that is effective in enhancing the robustness andcompetitiveness of a train control system.

Keywords： Train control system     Railway signaling     Communication-based train control system     Automatic train protectionand block system    

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Coupling analysis of passenger and train flows for a large-scale urban rail transit system

Frontiers of Engineering Management 2023, Volume 10, Issue 2,   Pages 250-261 doi: 10.1007/s42524-021-0180-2

Abstract: Coupling analysis of passenger and train flows is an important approach in evaluating and optimizingThis study proposes a passenger–train interaction simulation approach to determine the coupling relationshipbetween passenger and train flows.On the bases of time-varying origin–destination demand, train timetable, and network topology, the proposedpotential application are demonstrated via numerical experiments using real-world data from the Beijing URT system

Keywords： urban rail transit     coupling analysis     passenger–train interaction     large-scale simulation    

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System construction of a four-side primary permanent-magnet linear motor drive mechanical press

Jintao LIANG, Zhengfeng MING, Peida LI

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 600-609 doi: 10.1007/s11465-020-0597-z

Abstract: motor (PPMLM) has a robust secondary structure and high force density and is appropriate for direct-driveThe structure of a four-side PPMLM drive press is presented based on our previous research.The entire press control system is constructed to realize various flexible forming processes.Field-circuit coupling simulation is applied to estimate the system’s performance.The proposed PPMLM drive press exhibits a fast dynamic response and favorable tracking precision and

Keywords： mechanical press     direct drive     primary permanent-magnet linear motor (PPMLM)     servo system     active disturbance    

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Future Perspective for Key Technologies of Motor Drive System of New Energy Vehicles

Ding Rongjun, Liu Kan

Strategic Study of CAE 2019, Volume 21, Issue 3,   Pages 56-60 doi: 10.15302/J-SSCAE-2019.03.018

Abstract: text-align: justify;">This study investigates key technologies and development trends for the motor drivesystem of new energy vehicles, including power semiconductor devices and their packaging, smart gatedrivers, and the device-based system integration design, for the drive controllers; it also exploresThe study emphatically presents the development trends of the motor drive technologies for vehicles,and points out that permanent magnet synchronous motors will remain the main-stream drive motors in the

Keywords： new energy vehicle     motor drive system     permanent magnet synchronous motor    

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Overview of condition monitoring and operation control of electric power conversion systems in direct-drive

Shoudao HUANG, Xuan WU, Xiao LIU, Jian GAO, Yunze HE

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 281-302 doi: 10.1007/s11465-017-0442-1

Abstract:

Electric power conversion system (EPCS), which consists of a generator and power converter, is oneof the most important subsystems in a direct-drive wind turbine (DD-WT).component accounts for the most failures (approximately 60% of the total number) in the entire DD-WT system

Keywords： direct-drive wind turbine     electric power conversion system     condition monitoring     fault diagnosis     operation    

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Electromagnetic interference modeling and suppression techniques in variable-frequency drive systems

Le YANG, Shuo WANG, Jianghua FENG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 329-353 doi: 10.1007/s11465-018-0466-1

Abstract: EMI) causes electromechanical damage to the motors and degrades the reliability of variable-frequency driveUnlike fundamental frequency components in motor drive systems, high-frequency EMI noise, coupled withthe parasitic parameters of the trough system, are difficult to analyze and reduce.In this article, EMI modeling techniques for different function units in a VFD system, including inductionbridge balance, active filter, and optimized modulation, are reviewed and compared based on the VFD system

Keywords： variable-frequency drive (VFD)     electromagnetic interference (EMI)     motor drive modeling     EMI noise suppression    

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Solid-state transformer-based new traction drive system and control

Jianghua FENG, Jing SHANG, Zhixue ZHANG, Huadong LIU, Zihao HUANG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 411-426 doi: 10.1007/s11465-018-0467-0

Abstract:

A new type of traction drive system consisting of solid-state traction transformer (SSTT), invertercomponents is built in order to suit the demand of developing the next-generation electric traction systemFor the purpose of reducing system volume and weight and improving efficiency and grid-side power qualityIn view of the secondary pulsating existing in a single-phase system, the mathematical model of secondarySimulation and experimental results have verified that the traction system and control scheme mentioned

Keywords： solid-state traction transformer     high-voltage cascaded rectifier     LLC resonant converter     synchronous rotating reference frame     carrier-interleaving phase shift control     secondary pulsating voltage     beat frequency    

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Study on train traction simulation of high speed motor train set

Kang Xiong

Strategic Study of CAE 2011, Volume 13, Issue 1,   Pages 62-68

Abstract:

Train traction simulation of high speed motor train set has significantThe calculation method of train traction simulation of high speed motor train set is studied and itsdifferences with general train traction calculation and its relative key theories are provided.The structure and functions of our independently developed traction simulation system are introducedIt is concluded by applications that the method of train traction simulation of high speed motor train

Keywords： high speed     motor train set     traction     simulation    

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Robust train speed trajectory optimization: A stochastic constrained shortest path approach

Li WANG, Lixing YANG, Ziyou GAO, Yeran HUANG

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 408-417 doi: 10.15302/J-FEM-2017042

Abstract: Train speed trajectory optimization is a significant issue in railway traffic systems, and it plays a

Keywords： train speed trajectory optimization     railway operation     stochastic programming    

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Power control of dual-motor electric drive for tracked vehicles

Yuan ZOU, Chengning ZHANG, Fengchun SUN, Jingbo WU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 67-72 doi: 10.1007/s11465-009-0059-0

Abstract: The fundamental problem of the power control for the driving of a dual-motor drive electric tracked vehicleThe tracked vehicle and its electric drive system are mathematically modeled.Power control schemes of the dual-motor drive system is put forward, designed, and analyzed, includingthe distributed control system and the two control schemes speed-regulation and torque-regulation.The field experiment shows that the two types of drive control schemes realize the driving function of

Keywords： control     electric drive     tracked vehicle    

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Machine learning for fault diagnosis of high-speed train traction systems: A review

Frontiers of Engineering Management doi: 10.1007/s42524-023-0256-2

Abstract: As the core component of HST, the reliability of the traction system has a substantially influence onthe train.degrees of performance degradation and cause various failures, thus threatening the running safety of the trainTherefore, performing fault monitoring and diagnosis on the traction system of the HST is necessary.First, the structure and function of the HST traction system are briefly introduced.

Keywords： high-speed train     traction systems     machine learning     fault diagnosis    

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High-speed train bogie technology research of coupled systems in high-speed trains

Zhao Minghua,Liang Shulin and Song Chunyuan

Strategic Study of CAE 2015, Volume 17, Issue 4,   Pages 53-62

Abstract: basic on above factor，build vehicle dynamics model with actual wheel rail matching relationship，through systemclimatic conditions，different line conditions on the ballastless track of China，setup China high-speed trainThrough system integration of the structure design，suspension，transmission，brake，wheel rail noise，structurewelding and so on，the high-speed train bogie technology system was founded.

Keywords： high-speed train；wheel/rail relationship；system dyanmics；load spectrum；structural optimization    

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Title Author Date Type Operation

Hierarchical parameter estimation of DFIG and drive train system in a wind turbine generator

Xueping PAN, Ping JU, Feng WU, Yuqing JIN

Journal Article

Effects of elastic support on the dynamic behaviors of the wind turbine drive train

Shuaishuai WANG, Caichao ZHU, Chaosheng SONG, Huali HAN

Journal Article

An investigation into the vibration of harmonic drive systems

M. Masoumi, H. Alimohammadi

Journal Article

How to Deal with Revolutions in Train Control Systems

Hideo Nakamura

Journal Article

Coupling analysis of passenger and train flows for a large-scale urban rail transit system

Journal Article

System construction of a four-side primary permanent-magnet linear motor drive mechanical press

Jintao LIANG, Zhengfeng MING, Peida LI

Journal Article

Future Perspective for Key Technologies of Motor Drive System of New Energy Vehicles

Ding Rongjun, Liu Kan

Journal Article

Overview of condition monitoring and operation control of electric power conversion systems in direct-drive

Shoudao HUANG, Xuan WU, Xiao LIU, Jian GAO, Yunze HE

Journal Article

Electromagnetic interference modeling and suppression techniques in variable-frequency drive systems

Le YANG, Shuo WANG, Jianghua FENG

Journal Article

Solid-state transformer-based new traction drive system and control

Jianghua FENG, Jing SHANG, Zhixue ZHANG, Huadong LIU, Zihao HUANG

Journal Article

Study on train traction simulation of high speed motor train set

Kang Xiong

Journal Article

Robust train speed trajectory optimization: A stochastic constrained shortest path approach

Li WANG, Lixing YANG, Ziyou GAO, Yeran HUANG

Journal Article

Power control of dual-motor electric drive for tracked vehicles

Yuan ZOU, Chengning ZHANG, Fengchun SUN, Jingbo WU,

Journal Article

Machine learning for fault diagnosis of high-speed train traction systems: A review

Journal Article

High-speed train bogie technology research of coupled systems in high-speed trains

Zhao Minghua,Liang Shulin and Song Chunyuan

Journal Article