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Multi-objective optimization of surface texture for the slipperswash plate interface in EHA pumps

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0704-4

Abstract: Well-designed surface textures can improve the tribological properties and the efficiency of the electro-hydrostaticactuator (EHA) pump under high-speed and high-pressure conditions.

Keywords： electro-hydrostatic actuator     axial piston pump     slipper/swash plate interface     multi-objective optimization    

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Fuzzy impedance control of an electro-hydraulic actuator with an extended disturbance observer Regular Papers-Research Articles

Ming-jie LI, Jian-hua WEI, Jin-hui FANG, Wen-zhuo SHI, Kai GUO

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 9,   Pages 1221-1233 doi: 10.1631/FITEE.1800155

Abstract: In this paper, we deal with both velocity control and force control of a single-rod electro-hydraulicactuator subject to external disturbances and parameter uncertainties.control is applied to regulate the dynamic relationship between the velocity and output force of the actuator

Keywords： Fuzzy control     Impedance control     Disturbance observer     Parameter uncertainties     Electro-hydraulic actuator    

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Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0706-2

Abstract: consumption, execution time, and excavation volume as the objective functions is presented for the electro-hydraulic

Keywords： trajectory planning     electro-hydraulic shovel     cubic polynomial S-curve     multiobjective optimization    

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New nonlinear stiffness actuator with predefined torque‒deflection profile

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0721-3

Abstract: A nonlinear stiffness actuator (NSA) could achieve high torque/force resolution in low stiffness range

Keywords： compliant actuator     nonlinear stiffness actuator     nonlinear spring     predefined torque−deflection profile    

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Influence of boundary conditions and turntable speeds on the stability of hydrostatic oil cavity

Zhaomiao LIU, Chengyin ZHANG, Feng SHEN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 359-368 doi: 10.1007/s11465-011-0222-2

Abstract:

The flow, bearing, and carrying capacity of the cycloidal hydrostatic oil cavity in hydrostatic turntable

Keywords： hydrostatic oil cavity     flow state     oil cavity pressure     stability     vortex    

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A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 277-286 doi: 10.1007/s11709-010-0072-8

Abstract: The compensation of actuator delay is therefore critical to achieve stable and reliable experimentaldelay and achieve good actuator control for real-time tests.However, these adaptive methods all require time duration for actuator delay adaptation.Experiments show that a good actuator delay estimate can help optimize the performance of the adaptiveThe rate of adaptation also requires that a good actuator delay estimate be acquired especially for the

Keywords： real-time testing     actuator delay     compensation     adaptive control     MIT rule     discrete transfer function    

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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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New Formulas of Dynamic Characteristic of Hydrostatic Bearing and Its Testified Experiment

Meng Xinzhai,Yang Jianxi,Meng Zhaoyan

Strategic Study of CAE 2003, Volume 5, Issue 3,   Pages 62-66

Abstract:

Hydrostatic bearing has many advantages, such as high accuracy of movement, low power consumptionBut gcx>d static performance can fully be displayed only under good dynamic performance of hydrostaticAccording to mechanic balance and flow continuity, the transfer function of hydrostatic bearing systemThe bearing clearance of hydrostatic bearing with new variable, restrictor can be controlled in constantBut the clearance of hydrostatic bearing with constant restrictor may be changed into little clearance

Keywords： dynamic properties     transfer functions     dynamic stiffness     resonance     frequency     hydrostatic bearing    

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Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 711-725 doi: 10.1007/s11465-021-0647-1

Abstract: Thus, this paper aims to design a novel variable stiffness actuator (VSA) that can provide safer physical

Keywords： variable stiffness actuator     variable stiffness module     drive module     symmetrical structure     double-deck    

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Design and characteristic research of a novel electromechanical-hydraulic hybrid actuator with two transmission

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0735-x

Abstract: This study proposes and designs a novel electromechanical-hydraulic hybrid actuator (EMHA) that integrates

Keywords： electromechanical-hydraulic hybrid actuator (EMHA)     integration     transmission mechanisms     power assistance    

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Dynamic modeling of hydrostatic guideway considering compressibility and inertia effect

Yikang DU,Kuanmin MAO,Yaming ZHU,Fengyun WANG,Xiaobo MAO,Bin LI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 78-88 doi: 10.1007/s11465-015-0331-4

Abstract:

Hydrostatic guideways are used as an alternative to contact bearings due to high stiffness and highTo improve the dynamic characteristic of bearing structure, the dynamic modeling of the hydrostatic guidwaySimulation results show that hydrostatic guidway can be taken as a linear system when it is subjectedresults show that “mass-spring-damper” model is the most appropriate dynamic model of the hydrostaticThis paper provides a reference and preparation for the analysis of the dynamic model of the similar hydrostatic

Keywords： hydrostatic guidway     dynamic model     dynamic mesh technique     Levenberg-Marquardt     mass-spring-damper model    

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New Formulas for the Static Characteristic of Hydrostatic Bearing and Their Application

Meng Xinzhai,Yang Jianxi,Meng Zhaoyan

Strategic Study of CAE 2002, Volume 4, Issue 5,   Pages 63-66

Abstract:

In this paper, the traditional hydrostatic characteristic formulas of hydrostatic bearing, or slideThese formulas aren't used to calculate and design the parameters of hydrostatic bearings due toAt the same time, new formulas for hydrostatic characteristic of bearing are presented .Using new formulasto design and calculate the parameters of hydrostatic bearing may got exact results quickly and efficiently

Keywords： hydrostatic bearing     traditional restrictor     new variable restrictor     static characteristic    

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Identification of resistant pharmaceuticals in ozonation using QSAR modeling and their fate in electro-peroxone

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1394-6

Abstract:

• Effect of converting ozonation to E-peroxone was studied on pharmaceutical removal.

Keywords： Ozone     Electro-peroxone     Wastewater     Quantitative structure activity relationship     Advanced oxidation    

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Dynamical research on spherical micro actuator with piezoelectric ceramic stacks drivers

ZHANG Ruihua, CHEN Haichu

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 433-438 doi: 10.1007/s11465-007-0074-y

Abstract: This paper develops a 30 mm × 30 mm × 50 mm spherical micro actuator driven by piezoelectric ceramicFirst, the space coordinate relationship of the spherical micro actuator and a dynamic model are setSecond, The Runge-Kutta arithmetic is used to calculate the dynamical parameters of the micro actuatorwith a micro-gripper based on the sample spherical micro actuator, and the experimental research onmicro operation and assembly for micro electro mechanical systems (MEMS) or other microelements in micro

Keywords： spherical     micro-gripper     friction coefficient     dynamic     frequency    

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Changes in structure and functional properties of whey proteins induced by high hydrostatic pressure:

Xiaoming LIU, Jia NING, Stephanie CLARK,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 436-442 doi: 10.1007/s11705-009-0251-0

Abstract: High hydrostatic pressure (HHP) is an alternative technology to heat processing for food product modifications

Keywords： -lactoglobulin     processing     functional     alternative technology     environmental    

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Title Author Date Type Operation

Multi-objective optimization of surface texture for the slipperswash plate interface in EHA pumps

Journal Article

Fuzzy impedance control of an electro-hydraulic actuator with an extended disturbance observer

Ming-jie LI, Jian-hua WEI, Jin-hui FANG, Wen-zhuo SHI, Kai GUO

Journal Article

Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Journal Article

New nonlinear stiffness actuator with predefined torque‒deflection profile

Journal Article

Influence of boundary conditions and turntable speeds on the stability of hydrostatic oil cavity

Zhaomiao LIU, Chengyin ZHANG, Feng SHEN

Journal Article

A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Journal Article

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

Journal Article

New Formulas of Dynamic Characteristic of Hydrostatic Bearing and Its Testified Experiment

Meng Xinzhai,Yang Jianxi,Meng Zhaoyan

Journal Article

Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Journal Article

Design and characteristic research of a novel electromechanical-hydraulic hybrid actuator with two transmission

Journal Article

Dynamic modeling of hydrostatic guideway considering compressibility and inertia effect

Yikang DU,Kuanmin MAO,Yaming ZHU,Fengyun WANG,Xiaobo MAO,Bin LI

Journal Article

New Formulas for the Static Characteristic of Hydrostatic Bearing and Their Application

Meng Xinzhai,Yang Jianxi,Meng Zhaoyan

Journal Article

Identification of resistant pharmaceuticals in ozonation using QSAR modeling and their fate in electro-peroxone

Journal Article

Dynamical research on spherical micro actuator with piezoelectric ceramic stacks drivers

ZHANG Ruihua, CHEN Haichu

Journal Article

Changes in structure and functional properties of whey proteins induced by high hydrostatic pressure:

Xiaoming LIU, Jia NING, Stephanie CLARK,

Journal Article