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Development of a redundant anthropomorphic hydraulically actuated manipulator with a roll–pitch–yaw spherical

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 698-710 doi: 10.1007/s11465-021-0646-2

Abstract: The demand for redundant hydraulic manipulators that can implement complex heavy-duty tasks in unstructuredThis study proposes a seven-degree-of-freedom (7-DOF) redundant anthropomorphic hydraulically actuated

Keywords： hydraulic manipulator     inverse kinematic     redundant design     spherical wrist    

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Design and analysis of a class of redundant collaborative manipulators with 2-dimension large rotational

Xiaodong JIN, Yuefa FANG, Dan ZHANG, Xueling LUO

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 66-80 doi: 10.1007/s11465-019-0570-x

Abstract: In order to provide constant rotational axis for the platform, a class of redundant limbs are designedA class of redundant 2R1T parallel spindle heads is obtained by connecting the redundant limbs with theplatform and the redundant characteristics are verified by the modified Grübler-Kutzbach criterion.

Keywords： parallel mechanism     redundant mechanism     large rotational angles     machine tools     2R1T spindle head     collaborative    

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A Self-adaptive Automatic Program Designand Application in Vending Machine

Yu Shiming,Ding Guozheng,Liu Lifeng

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 147-150

Abstract:  But, when the program fault emerges in the state-orient model, how to make the program return tothe state the fault point belong to or take further corresponding actions, the return-value or emergencyfault automatically, this article presents automatic program design with uniting combined coding and stateredundant design, and proposes its frame model and algorithm.The model is used for decreasing faults of state-switch("prevent" ) and increasing capability

Keywords： self-adaptive     state redundant design     automatic program design     fault-restore     vending machine    

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A Novel PWM Method of Diode-clamped Multilevel Inverter at Low Modulation Indices

Xin Xiang,Zhang Qingfan,Hu Shunquan,Li Ruilai

Strategic Study of CAE 2007, Volume 9, Issue 10,   Pages 91-96

Abstract:

Diode-clamped multilevel inverter is a kind of power converter which can be used in high voltage and high power application field.  Its corresponding PWM control is studied extensively.  The paper presents a novel carrier-based PWM method to take advantage of all levels in the inverter even at low modulation indices.  The simulation results indicate that the novel PWM strategy increases device utilization and enables the inverter to switch at higher frequencies and low modulation indices.

Keywords： diode-clamped inverter     carrier-based PWM     low modulation index     redundant state    

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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: In this paper, a means to achieve redundant actuation by adding kinematic constraints is introduced,

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

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MyWAL: performance optimization by removing redundant input/output stack in key-value store Research Article

Xiao ZHANG, Mengyu LI, Michael NGULUBE, Yonghao CHEN, Yiping ZHAO,zhangxiao@nwpu.edu.cn,limy@mail.nwpu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 7,   Pages 980-993 doi: 10.1631/FITEE.2200496

Abstract: the data writing performance of RocksDB compared to the traditional WAL for small KV data on solid-stateOn non-volatile memory express soild-state drives (NVMe SSDs) and , MyWAL can improve data writing performance

Keywords： store     Log-structured merge (LSM) tree     Non-volatile memory (NVM)     Non-volatile memory express soild-state    

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Ahybrid biogeography-based optimization method for the inverse kinematics problem of an 8-DOF redundant

Zi-wu REN,Zhen-hua WANG,Li-ning SUN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 7,   Pages 607-616 doi: 10.1631/FITEE.14a0335

Abstract: The redundant humanoid manipulator has characteristics of multiple degrees of freedom and complex jointBased on these, an 8-DOF (degree of freedom) redundant humanoid manipulator is employed as an exampleThe proposed HBBO algorithm has been used to solve the inverse kinematics problem of the 8-DOF redundant

Keywords： Inverse kinematics problem     8-DOF humanoid manipulator     Biogeography-based optimization (BBO)     Differential evolution (DE)    

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A new feature selection method for handling redundant information in text classification None

You-wei WANG, Li-zhou FENG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 2,   Pages 221-234 doi: 10.1631/FITEE.1601761

Abstract: Because of the difficulty in handling the problem that the selected features always contain redundantinformation, we propose a new simple feature selection method, which can effectively filter the redundantFinally, to improve the execution speed, the redundant features in FS1 are filtered by combining a predeterminedStatistical results validate the effectiveness of the proposed method in handling redundant information

Keywords： Feature selection     Dimensionality reduction     Text classification     Redundant features     Support vector machine    

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Optimal redundant placement of PMUs in Indian power grid — northern, eastern and north-eastern regions

Pathirikkat GOPAKUMAR, G. Surya CHANDRA, M. Jaya Bharata REDDY, Dusmata Kumar MOHANTA

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 413-428 doi: 10.1007/s11708-013-0274-6

Abstract: This paper proposes optimal redundant geographical locations in the northern, eastern and north-eastern

Keywords： phasor measurement unit (PMU)     smart grid (SG)     Indian power grid     northern region Indian power grid (NRIPG)     eastern region Indian power grid (ERIPG)     north-eastern region Indian power grid (NERIPG)     redundancy     integer linear programing (ILP)    

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Advances in tissue state recognition in spinal surgery: a review

Hao Qu, Yu Zhao

Frontiers of Medicine 2021, Volume 15, Issue 4,   Pages 575-584 doi: 10.1007/s11684-020-0816-3

Abstract: In the past, tactile sensation was the primary method used by surgeons to understand the state of theTherefore, it has become the focus of spinal surgery research so as to strengthen the objectivity of tissue stateThis article reviews the progress of different tissue state recognition methods in spinal surgery and

Keywords： spinal surgery     tissue state recognition     image     force sensing     bioelectrical impedance    

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Effectiveness of state incentives for promoting wind energy: A panel data examination

Deepak SANGROYA,Jogendra NAYAK

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 247-258 doi: 10.1007/s11708-015-0364-8

Abstract: The Indian government, as well as different state governments, are adopting policy instruments such asThis paper evaluates the effectiveness of state level incentives for the development of wind energy in

Keywords： India     wind energy development     state incentives     econometric analysis     panel data    

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Precise semi-analytical inverse kinematic solution for 7-DOF offset manipulator with arm angle optimization

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 435-450 doi: 10.1007/s11465-021-0630-x

Abstract: Seven-degree-of-freedom redundant manipulators with link offset have many advantages, including obviousSecondly, the analytical inverse kinematic solution for a non-offset spherical–roll–spherical (SRS) redundant

Keywords： 7-DOF redundant manipulator     inverse kinematics     semi-analytical     arm angle     link offset    

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Digital image correlation-based structural state detection through deep learning

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 45-56 doi: 10.1007/s11709-021-0777-x

Abstract: This paper presents a new approach for automatical classification of structural state through deep learningand classification blocks into an intelligent and compact learning system and detect the structural stateof a steel frame; the input was a series of vibration signals, and the output was a structural stateIt is demonstrated that: 1) the CNN can extract the structural state information from the vibration signals

Keywords： structural state detection     deep learning     digital image correlation     vibration signal     steel frame    

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A redundantly actuated PRPRP radial mechanism in the segment erector of a shield machine for synchronization control

Wanghui BU, Zhenyu LIU, Jianrong TAN, Jin CHENG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 463-467 doi: 10.1007/s11465-011-0225-z

Abstract: When the redundant actuator is unlocked, the radial mechanism is able to adjust its posture, which hasOn the other hand, when the redundant actuator is locked or produces enough pre-tightening tensile forceThe redundant actuator also facilitates the equal application of two flexural torques at the hydraulic

Keywords： redundant actuation     parallel mechanisms     five-bar mechanisms     segment erectors     shield machines    

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Biological pretreatment of corn stover by solid state fermentation of

Jian ZHANG, Xin REN, Wenqun CHEN, Jie BAO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 2,   Pages 146-151 doi: 10.1007/s11705-012-1220-6

Abstract: Solid state fermentation of corn stover with the white-rot fungus was carried out and the efficiencywas biologically pretreated for nine days, and the hydrolysis yield decreased sharply if the solid state

Keywords： biological pretreatment     Phanerochaete chrysosporium     solid state fermentation     biorecalcitrance    

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Title Author Date Type Operation

Development of a redundant anthropomorphic hydraulically actuated manipulator with a roll–pitch–yaw spherical

Journal Article

Design and analysis of a class of redundant collaborative manipulators with 2-dimension large rotational

Xiaodong JIN, Yuefa FANG, Dan ZHANG, Xueling LUO

Journal Article

A Self-adaptive Automatic Program Designand Application in Vending Machine

Yu Shiming,Ding Guozheng,Liu Lifeng

Journal Article

A Novel PWM Method of Diode-clamped Multilevel Inverter at Low Modulation Indices

Xin Xiang,Zhang Qingfan,Hu Shunquan,Li Ruilai

Journal Article

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

Journal Article

MyWAL: performance optimization by removing redundant input/output stack in key-value store

Xiao ZHANG, Mengyu LI, Michael NGULUBE, Yonghao CHEN, Yiping ZHAO,zhangxiao@nwpu.edu.cn,limy@mail.nwpu.edu.cn

Journal Article

Ahybrid biogeography-based optimization method for the inverse kinematics problem of an 8-DOF redundant

Zi-wu REN,Zhen-hua WANG,Li-ning SUN

Journal Article

A new feature selection method for handling redundant information in text classification

You-wei WANG, Li-zhou FENG

Journal Article

Optimal redundant placement of PMUs in Indian power grid — northern, eastern and north-eastern regions

Pathirikkat GOPAKUMAR, G. Surya CHANDRA, M. Jaya Bharata REDDY, Dusmata Kumar MOHANTA

Journal Article

Advances in tissue state recognition in spinal surgery: a review

Hao Qu, Yu Zhao

Journal Article

Effectiveness of state incentives for promoting wind energy: A panel data examination

Deepak SANGROYA,Jogendra NAYAK

Journal Article

Precise semi-analytical inverse kinematic solution for 7-DOF offset manipulator with arm angle optimization

Journal Article

Digital image correlation-based structural state detection through deep learning

Journal Article

A redundantly actuated PRPRP radial mechanism in the segment erector of a shield machine for synchronization control

Wanghui BU, Zhenyu LIU, Jianrong TAN, Jin CHENG

Journal Article

Biological pretreatment of corn stover by solid state fermentation of

Jian ZHANG, Xin REN, Wenqun CHEN, Jie BAO

Journal Article