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A novel gradient climbing control for seeking the best communication point for data collection from a Research Papers

Jiu-cai JIN, Jie ZHANG, Zhi-chao LV

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 6,   Pages 751-759 doi: 10.1631/FITEE.1700732

Abstract: As far as we know, extremum seeking based on climbing control is usually implemented by multiple vehiclesor agents because of the large range of measurement and easy acquisition of gradient estimation.A controller for seeking the best UAC’s point of the USV is designed using gradient climbing and artificial

Keywords: Unmanned surface vehicle     Data collection     Underwater acoustic communication     Gradient climbing     Extremum    

Role of stair-climbing test in predicting postoperative cardiopulmonary complications in elderly patients

Pei-Tu REN BM, Bao-Chun LU MM, Zhi-Liang CHEN MM, Hong FU MM,

Frontiers of Medicine 2010, Volume 4, Issue 1,   Pages 77-81 doi: 10.1007/s11684-010-0005-x

Abstract: All patients performed a preoperative stair-climbing test, and the risks for cardiopulmonary €complicationswere evaluated with pair-matching and linear correlations analysis between stair-climbing height (h)was a significant difference in the incidence of cardiopulmonary complications among different stair-climbingStair-climbing heights were positively related with EF, FVC and FEV.This suggests that the stair-climbing test is an effective and simple method for predicting cardiopulmonary

Keywords: biliary disease     cardiopulmonary complication     stair-climbing test    

prediction and optimization design of sustainable concrete based on squirrel search algorithm-extreme gradient

Frontiers of Structural and Civil Engineering   Pages 1310-1325 doi: 10.1007/s11709-023-0997-3

Abstract: traditional compressive strength test, this study combines five novel metaheuristic algorithms with extreme gradientThe results indicated that the squirrel search algorithm-extreme gradient boosting (SSA-XGB) yielded

Keywords: sustainable concrete     fly ash     slay     extreme gradient boosting technique     squirrel search algorithm    

Vibration analysis of nano-structure multilayered graphene sheets using modified strain gradient theory

Amir ALLAHBAKHSHI,Masih ALLAHBAKHSHI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2,   Pages 187-197 doi: 10.1007/s11465-015-0339-9

Abstract:

In this paper, for the first time, the modified strain gradient theory is used as a new size-dependentAfter obtaining the governing equations based on modified strain gradient theory via principle of minimum

Keywords: graphene     van der Waals (vdW) force     modi- fied strain gradient elasticity theory     size effect parameter    

The design of gear rack climbing type ship lift of Three Gorges Project

Niu Xingqiang,Tan Liming,Yu Qingkui

Strategic Study of CAE 2011, Volume 13, Issue 7,   Pages 96-103

Abstract: After scheme comparison, the gear rack climbing type ship lift is selected, which is characterized byThe general layout of gear rack climbing type ship lift, as well as the design schemes and key techniques

Keywords: ship lift     climbing type     safety mechanism     synchronized stroke    

Construction technology of Three Gorges Project ship lift hydraulic self-climbing formwork

Dai Zhiqing

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 22-26

Abstract: In order to ensure the construction progress and quality, the hydraulic self-climbing formwork is usedThis paper focuses on the construction technology of hydraulic self-climbing formwork, improvement measuresof self-climbing formwork as well as structural measures made in the plate girders and corbels departmentof tower to meet the rising-up of self-climbing formwork on Three Gorges Project ship lift tower columnIt has been found that application and improvement of the hydraulic self-climbing formwork construction

Keywords: tower concrete     hydraulic self-climbing formwork     concrete pouring     Three Gorges Project ship lift    

Velocity gradient elasticity for nonlinear vibration of carbon nanotube resonators

Hamid M. SEDIGHI, Hassen M. OUAKAD

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1520-1530 doi: 10.1007/s11709-020-0672-x

Abstract: undertake two models to capture the nanostructure nonlocal size effects: the strain and the velocity gradientThe structural nonlinear behavior of the system assuming both strain and velocity gradient theories is

Keywords: velocity gradient elasticity theory     nanotube resonators     differential-quadrature method     nonlinear vibration    

Predicting shear strength of slender beams without reinforcement using hybrid gradient boosting trees

Thuy-Anh NGUYEN; Hai-Bang LY; Van Quan TRAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1267-1286 doi: 10.1007/s11709-022-0842-0

Abstract: Gradient Boosting (GB) technique was developed and evaluated in combination with three different optimization

Keywords: slender beam     shear strength     gradient boosting     optimization algorithms    

Innovative stair climber using associated wheels

Girish Sudhir MODAK,Manmohan Manikrao BHOOMKAR

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 299-310 doi: 10.1007/s11465-016-0374-1

Abstract: Different versions, such as staircase-climbing wheelchair or staircase-climbing trolley for materialThus, this platform is conveniently applicable in the configurations useful for climbing staircases.

Keywords: stair-climbing platform     matching wheels     impaired mobility     affordable configuration    

Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 3,   Pages 227-237 doi: 10.1631/FITEE.1400217

Abstract: We present a novel image fusion scheme based on gradient and scrambled block Hadamard ensemble (SBHE)In the fusion phase, the image gradient is calculated to reflect the abundance of its contour informationBy compositing the gradient of each image, gradient-based weights are obtained, with which compressiveSimulation results demonstrate that the gradient-based scheme has the best performance, in terms of bothFurthermore, the gradient-based fusion scheme proposed in this paper can be applied in different fusion

Keywords: Compressive sensing (CS)     Image fusion     Gradient-based image fusion     CS-based image fusion    

Influence of freeze–thaw damage gradient on stress–strain relationship of stressed concrete

Frontiers of Structural and Civil Engineering   Pages 1326-1340 doi: 10.1007/s11709-023-0014-x

Abstract: Influence of freeze–thaw damage gradient on stress–strain relationship of stressed concrete

Keywords: strain relationship concrete    

Preparation of hydrogels with uniform and gradient chemical structures using dialdehyde cellulose and

Peiwen Liu, Carsten Mai, Kai Zhang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 383-389 doi: 10.1007/s11705-018-1718-7

Abstract: In addition, a method for in situ preparation of gradient hydrogels is still lacking.Herein, we report the formation of hydrogels with either uniform or gradient internal structures viaAs-prepared hydrogels exhibited uniform microscopic and chemical structure or gradient distribution ofMoreover, this controllable process of aerating NH3 gas allows the in situ formation of gradienthydrogels; for instance, by using cyanamide as a reaction counterpart, gradient hydrogels with gradient

Keywords: hydrogel     uniform     gradient     dialdehyde cellulose     ammonia gas     diamine    

A three-dimensional two-level gradient smoothing meshfree method for rainfall induced landslide simulations

Dongdong WANG, Jiarui WANG, Junchao WU, Junjun DENG, Ming SUN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 337-352 doi: 10.1007/s11709-018-0467-5

Abstract: A three-dimensional two-level gradient smoothing meshfree method is presented for rainfall induced landslideIt is shown that due to the successive gradient smoothing operation without the requirement of derivativecomputation in the present formulation, the two-level smoothed gradient of meshfree shape function iscapable of achieving a given influence domain more efficiently than the standard gradient of meshfreeSubsequently, the two-level smoothed gradient of meshfree shape function is employed to discretize the

Keywords: meshfree method     landslide     rainfall     three-dimensional two-level gradient smoothing     nodal integration    

Learning from biological attachment devices: applications of bioinspired reversible adhesive methods in robotics

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0699-x

Abstract: The following section provides a systematic overview of climbing robots with bioinspired attachment devices

Keywords: adhesion     bioinspired attachment     biomimetic gripper     climbing robot    

Effects of gradient concentration on the microstructure and electrochemical performance of LiNi

Wenming Li, Weijian Tang, Maoqin Qiu, Qiuge Zhang, Muhammad Irfan, Zeheng Yang, Weixin Zhang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 988-996 doi: 10.1007/s11705-020-1918-9

Abstract: The design of gradient concentration (GC) particles with Ni-rich inside and Mn-rich outside is provedrationally-designed co-precipitation process for fabricating the Ni-rich layered cathode materials with gradient

Keywords: gradient concentration     Ni-rich     LiNi0.6Co0.2-Mn0.2O2     electrochemical    

Title Author Date Type Operation

A novel gradient climbing control for seeking the best communication point for data collection from a

Jiu-cai JIN, Jie ZHANG, Zhi-chao LV

Journal Article

Role of stair-climbing test in predicting postoperative cardiopulmonary complications in elderly patients

Pei-Tu REN BM, Bao-Chun LU MM, Zhi-Liang CHEN MM, Hong FU MM,

Journal Article

prediction and optimization design of sustainable concrete based on squirrel search algorithm-extreme gradient

Journal Article

Vibration analysis of nano-structure multilayered graphene sheets using modified strain gradient theory

Amir ALLAHBAKHSHI,Masih ALLAHBAKHSHI

Journal Article

The design of gear rack climbing type ship lift of Three Gorges Project

Niu Xingqiang,Tan Liming,Yu Qingkui

Journal Article

Construction technology of Three Gorges Project ship lift hydraulic self-climbing formwork

Dai Zhiqing

Journal Article

Velocity gradient elasticity for nonlinear vibration of carbon nanotube resonators

Hamid M. SEDIGHI, Hassen M. OUAKAD

Journal Article

Predicting shear strength of slender beams without reinforcement using hybrid gradient boosting trees

Thuy-Anh NGUYEN; Hai-Bang LY; Van Quan TRAN

Journal Article

Innovative stair climber using associated wheels

Girish Sudhir MODAK,Manmohan Manikrao BHOOMKAR

Journal Article

Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Journal Article

Influence of freeze–thaw damage gradient on stress–strain relationship of stressed concrete

Journal Article

Preparation of hydrogels with uniform and gradient chemical structures using dialdehyde cellulose and

Peiwen Liu, Carsten Mai, Kai Zhang

Journal Article

A three-dimensional two-level gradient smoothing meshfree method for rainfall induced landslide simulations

Dongdong WANG, Jiarui WANG, Junchao WU, Junjun DENG, Ming SUN

Journal Article

Learning from biological attachment devices: applications of bioinspired reversible adhesive methods in robotics

Journal Article

Effects of gradient concentration on the microstructure and electrochemical performance of LiNi

Wenming Li, Weijian Tang, Maoqin Qiu, Qiuge Zhang, Muhammad Irfan, Zeheng Yang, Weixin Zhang

Journal Article