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Hierarchical control for parallel bidirectional power converters of a grid-connected DC microgrid Article

Hui-yong HU, Yong-gang PENG, Yang-hong XIA, Xiao-ming WANG, Wei WEI, Miao YU

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 12,   Pages 2046-2057 doi: 10.1631/FITEE.1601497

Abstract: The DC microgrid is connected to the AC utility by parallel bidirectional power converters (BPCs) toimport/export large power, whose control directly affects the performance of the grid-connected DC microgridIn this paper, we propose a hierarchical control for parallel BPCs of a grid-connected DC microgrid.To suppress the potential zero-sequence circulating current in the AC side among the parallel BPCs andThe proposed tertiary control realizes precise active and reactive power exchange through parallel BPCs

Keywords： Parallel bidirectional power converters     Hierarchical control     DC microgrid    

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Development of a masticatory robot using a novel cable-driven linear actuator with bidirectional motion

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0687-1

Abstract: A cable-driven linear actuator (CDLA) capable of bidirectional motion is proposed in this study to design

Keywords： masticatory robot     cable-driven     linear actuator     parallel robot     stiffness analysis    

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Evaluation of the power consumption of a high-speed parallel robot

Gang HAN, Fugui XIE, Xin-Jun LIU

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 167-178 doi: 10.1007/s11465-017-0456-8

Abstract:

An inverse dynamic model of a high-speed parallel robot is established based on the virtual work principleWith this dynamic model, a new evaluation method is proposed to measure the power consumption of theThese indices can evaluate the power input and output transmissibility of the robot in a workspace.The distributions of the power input and output transmissibility of the high-speed parallel robot areFurtherly, a low-power-consumption workspace is selected for the robot.

Keywords： high-speed parallel robot     dynamic model     power consumption     evaluation method     power vector    

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A novel PV sub-module-level power-balancing topology for maximum power point tracking under partial shading Article

Mustafa GOKDAG,Mehmet AKBABA

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 12,   Pages 1388-1396 doi: 10.1631/FITEE.1500322

Abstract: shading and mismatch conditions among the series-connected modules/sub-modules suffer from a nonconvex powercurve with multiple local maxima and decreased peak power for the whole string.curve, which results in increased peak power for the string.Reduction in the number of power electronics components is realized by the fact that two sub-modulesThis proves that with the proposed topology it is possible to extract almost all the power available

Keywords： Sub-module-level maximum power point tracking (MPPT)     Differential power processing (DPP)     Distributedpower converters     Switched-capacitor (SC) converters    

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Performance analysis of series/parallel and dual side LCC compensation topologies of inductive power

P. Srinivasa Rao NAYAK, Dharavath KISHAN

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 166-179 doi: 10.1007/s11708-018-0549-z

Abstract: In an inductive battery charging system, for better power transfer capability and attaining requiredpower level, compensation is necessary.This paper analyzes series/parallel (S/P) and dual side inductor-capacitor-capacitor (LCC) compensationtopologies for inductive power transfer of electric vehicle (EV) battery charging system.The design and modeling steps of inductive power transfer for electric vehicle battery charging system

Keywords： series/parallel compensation     electric vehicle (EV)     dual side LCC compensation     inductive power transfer    

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The status and outlook of wind power converters

Ma Weiming,Xiao Fei

Strategic Study of CAE 2011, Volume 13, Issue 1,   Pages 11-20

Abstract:

The power converter, which is one of the critical equipments of the system, must meet the requirements of high power density, high reliability and excellent control performanceGreat development has been achieved in China about wind power converters, which is still lagging behindIn this paper, some critical technologies of direct driven wind power converter systems are introduced

Keywords： wind power generation     variable speed constant frequency     doubly fed induction generation system     directdriven generation system     power converter    

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Transient performance comparison of grid-forming converters with different FRT control strategies

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 239-250 doi: 10.1007/s11708-022-0856-2

Abstract: Grid-forming converters (GFMs) are faced with the threat of transient inrush current and synchronization

Keywords： grid-forming converters (GFMs)     fault ride through (FRT)     transient stability     transient inrush current    

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Analysis and control of wind-driven self-excited induction generators connected to the grid through powerconverters

S. Senthil KUMAR, N. KUMARESAN, N. Ammasai GOUNDEN, Namani RAKESH

Frontiers in Energy 2012, Volume 6, Issue 4,   Pages 403-412 doi: 10.1007/s11708-012-0208-8

Abstract: analysis of the wind-driven self-excited induction generators (SEIGs) connected to the grid through powerconverters has been developed in this paper.For this analysis, a method of representing the grid power as equivalent load resistance in the steady-stateA simple control technique for maximum power point tracking (MPPT) in wind energy conversion systemsconverters has been demonstrated by experiments and simulation.

Keywords： self-excited induction generator (SEIG)     renewable power generation     power converters     maximum power pointtracking (MPPT)     steady state analysis     power generation systems    

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Modeling and control of photovoltaic energy conversion connected to the grid

Rebei NAJET, Ben Ghanem BELGACEM, Hasnaoui OTHMAN

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 35-46 doi: 10.1007/s11708-012-0169-y

Abstract: The parameters of the PVG have been identified in previous work (series and parallel resistance, reverseThe electrical energy from a PVG is transferred to the grid via two static converters (DC/DC and DC/ACThe adapted control law for extracting maximum power from the PVG is based on the incremental conductanceThe developed algorithm has the capability of searching the maximum photovoltaic power under variable

Keywords： photovoltaic generator (PVG)     maximum power point tracker     grid-connected     static converters    

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The status and outlook of wind power converters

Min Enze,Xie Wenhua

Strategic Study of CAE 2011, Volume 13, Issue 2,   Pages 13-15

Abstract:

The world recent activities in the fields of micro-algae biodiesel, cellulosic ethanol and biogasoline were reviewed; the challenges and measures taken were discussed. It was proposed that the first industrial demonstration unit for these micro-algae biodiesel, cellulosic ethanol and biogasoline should be built in China before 2015, based on raw material supply, R & D progress and international cooperation to lay the foundation for future development.

Keywords： bio-based automobile fuel     micro-algae biodiesel     cellulosic ethanol     biogasoline    

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Near-field radiative thermoelectric energy converters: a review

Eric TERVO, Elham BAGHERISERESHKI, Zhuomin ZHANG

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 5-21 doi: 10.1007/s11708-017-0517-z

Abstract: Radiative thermoelectric energy converters, which include thermophotovoltaic cells, thermoradiative cellsIf this exchange occurs at micro or nanoscale distances, power densities can be greatly enhanced andThe development and state of the art of these near-field converters are discussed in detail, and remaining

Keywords： energy conversion systems     luminescent refrigeration     near-field radiation     thermophotovoltaic     thermoradiative cell    

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Trajectory planning and base attitude restoration of dual-arm free-floating space robot by enhanced bidirectional

Zongwu XIE1 , Xiaoyu ZHAO1 , Zainan JIANG1 , Haitao YANG2 , Chongyang LI1

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1, doi: 10.1007/s11465-021-0658-y

Abstract: In this paper, the enhanced bidirectional approach is proposed to plan the manipulator trajectory and

Keywords： free-floating space robot     dual arm     coordinated operation     base attitude restoration     bidirectional    

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Structural optimization of typical rigid links in a parallel kinematic machine

Xinjun LIU, Zhidong LI, Xiang CHEN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 344-353 doi: 10.1007/s11465-011-0227-x

Abstract:

The motion dynamics and accuracy of parallel kinematic machines largely depend on the weights andwork employs the techniques of topology and size optimization to design two typical rigid links of a parallel

Keywords： topology optimization     size optimization     parallel kinematic machine (PKM)    

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Optimal design of a linkage–cam mechanism-based redundantly actuated parallel manipulator

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 451-467 doi: 10.1007/s11465-021-0634-6

Abstract: A redundantly actuated parallel manipulator (RAPM) with mixed translational and rotational degrees of

Keywords： redundant actuation     parallel manipulator     linkage–cam mechanism     Jacobian     optimal design    

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Variable identification and automatic tuning of the main module of a servo system of parallel mechanism

YANG Zhiyong, XU Meng, HUANG Tian, NI Yanbing

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 82-88 doi: 10.1007/s11465-007-0014-x

Abstract: The variables of the main module of a servo system for miniature reconfigurable parallel mechanism were

Keywords： acceleration     reconfigurable parallel     additive     sequence     parallel mechanism    

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Title Author Date Type Operation

Hierarchical control for parallel bidirectional power converters of a grid-connected DC microgrid

Hui-yong HU, Yong-gang PENG, Yang-hong XIA, Xiao-ming WANG, Wei WEI, Miao YU

Journal Article

Development of a masticatory robot using a novel cable-driven linear actuator with bidirectional motion

Journal Article

Evaluation of the power consumption of a high-speed parallel robot

Gang HAN, Fugui XIE, Xin-Jun LIU

Journal Article

A novel PV sub-module-level power-balancing topology for maximum power point tracking under partial shading

Mustafa GOKDAG,Mehmet AKBABA

Journal Article

Performance analysis of series/parallel and dual side LCC compensation topologies of inductive power

P. Srinivasa Rao NAYAK, Dharavath KISHAN

Journal Article

The status and outlook of wind power converters

Ma Weiming,Xiao Fei

Journal Article

Transient performance comparison of grid-forming converters with different FRT control strategies

Journal Article

Analysis and control of wind-driven self-excited induction generators connected to the grid through powerconverters

S. Senthil KUMAR, N. KUMARESAN, N. Ammasai GOUNDEN, Namani RAKESH

Journal Article

Modeling and control of photovoltaic energy conversion connected to the grid

Rebei NAJET, Ben Ghanem BELGACEM, Hasnaoui OTHMAN

Journal Article

The status and outlook of wind power converters

Min Enze,Xie Wenhua

Journal Article

Near-field radiative thermoelectric energy converters: a review

Eric TERVO, Elham BAGHERISERESHKI, Zhuomin ZHANG

Journal Article

Trajectory planning and base attitude restoration of dual-arm free-floating space robot by enhanced bidirectional

Zongwu XIE1 , Xiaoyu ZHAO1 , Zainan JIANG1 , Haitao YANG2 , Chongyang LI1

Journal Article

Structural optimization of typical rigid links in a parallel kinematic machine

Xinjun LIU, Zhidong LI, Xiang CHEN

Journal Article

Optimal design of a linkage–cam mechanism-based redundantly actuated parallel manipulator

Journal Article

Variable identification and automatic tuning of the main module of a servo system of parallel mechanism

YANG Zhiyong, XU Meng, HUANG Tian, NI Yanbing

Journal Article