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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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Vehicle roll stability control with active roll-resistant electro-hydraulic suspension

Lijun XIAO, Ming WANG, Bangji ZHANG, Zhihua ZHONG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 43-54 doi: 10.1007/s11465-019-0547-9

Abstract: This study examines roll stability control for vehicles with an active roll-resistant electro-hydraulicThird, an RREHS subsystem with an electric servo-valve actuator is proposed, and the corresponding dynamic

Keywords： electro-hydraulic suspension     roll stability     LQR     experiment    

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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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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: Servo-hydraulic actuators (SHAs) are widely used in mechanical equipment to drive heavy-duty mechanismsThis study proposes and designs a novel electromechanical-hydraulic hybrid actuator (EMHA) that integratesThe piston of the hydraulic transmission mechanism and the ball screw pair of the electromechanical transmissioncontrol scheme of the electromechanical transmission mechanism is used for motion control, and the hydraulicCompared with the valve-controlled hydraulic cylinder system, EMHA exhibits a velocity tracking error

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

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Quantitative feedback controller design and test for an electro-hydraulic position control system in Article

Xiong-bin PENG, Guo-fang GONG, Hua-yong YANG, Hai-yang LOU, Wei-qiang WU, Tong LIU

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 10,   Pages 1624-1634 doi: 10.1631/FITEE.1601104

Abstract: For the primary mirror of a large-scale telescope, an electro-hydraulic position control system (EHPCSIn this paper, we propose a robust closed-loop design for the position control system in a primary hydraulic

Keywords： Large-scale reflecting telescope     Quantitative feedback theory     Electro-hydraulic position control system    

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Motion control of multi-actuator hydraulic systems for mobile machineries: Recent advancements and future

Bing XU, Min CHENG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 151-166 doi: 10.1007/s11465-018-0470-5

Abstract: recent advancements and upcoming trends in motion control technologies employed in designing multi-actuatorhydraulic systems for mobile machineries.Hydraulic systems have been extensively used in mobile machineries due to their superior power densityHowever, motion control technologies of multi-actuator hydraulic systems have faced increasing challengesThen, the advanced operation methods of multi-actuator mobile machineries are reviewed, including coordinated

Keywords： motion control     electrohydraulic control     energy efficiency     mobile machineries    

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Adaptive fuzzy integral sliding mode velocity control for the cutting system of a trench cutter

Qi-yan Tian, Jian-hua Wei, Jin-hui Fang, Kai Guo,jhfang@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 1,   Pages 55-66 doi: 10.1631/FITEE.15a0160

Abstract: This paper presents a velocity controller for the of a trench cutter (TC). The cutting velocity of a is affected by the unknown load characteristics of rock and soil. In addition, geological conditions vary with time. Due to the complex load characteristics of rock and soil, the cutting load torque of a cutter is related to the geological conditions and the feeding velocity of the cutter. Moreover, a cutter’s dynamic model is subjected to uncertainties with unknown effects on its function. In this study, to deal with the particular characteristics of a , a novel (AFISMC) is designed for controlling cutting velocity. The model combines the robust characteristics of an integral sliding mode controller with the adaptive adjusting characteristics of an adaptive fuzzy controller. The AFISMC ler is synthesized using the backstepping technique. The stability of the whole system including the fuzzy inference system, integral sliding mode controller, and the is proven using the Lyapunov theory. Experiments have been conducted on a TC test bench with the AFISMC under different operating conditions. The experimental results demonstrate that the proposed AFISMC ler gives a superior and robust velocity tracking performance.

Keywords： Cutting system     Electro-hydraulic system     Cutting velocity control     Adaptive fuzzy integral sliding mode    

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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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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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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: Servo-hydraulic actuators are often utilized to apply calculated displacements from an integration algorithmThe 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.reference adaptive control based method to identify the parameter of a simplified discrete model for servo-hydraulic

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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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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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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Effect of Joule heating on electro-osmotic flow in a closed-end micro-channel with isothermal and convective

Liang ZHAO, Linhua LIU,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 381-388 doi: 10.1007/s11708-009-0057-2

Abstract: The effect of Joule heating on the steady state electro-osmotic flow in a closed-end micro-channel isalso studied, which is very important for the application of the closed-end micro-channel as a micro-actuator

Keywords： closed-end micro-channel     electrical double layer     electro-osmotic flow     induced pressure gradient     Joule    

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Title Author Date Type Operation

Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Journal Article

Vehicle roll stability control with active roll-resistant electro-hydraulic suspension

Lijun XIAO, Ming WANG, Bangji ZHANG, Zhihua ZHONG

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

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

Journal Article

Quantitative feedback controller design and test for an electro-hydraulic position control system in

Xiong-bin PENG, Guo-fang GONG, Hua-yong YANG, Hai-yang LOU, Wei-qiang WU, Tong LIU

Journal Article

Motion control of multi-actuator hydraulic systems for mobile machineries: Recent advancements and future

Bing XU, Min CHENG

Journal Article

Adaptive fuzzy integral sliding mode velocity control for the cutting system of a trench cutter

Qi-yan Tian, Jian-hua Wei, Jin-hui Fang, Kai Guo,jhfang@zju.edu.cn

Journal Article

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

Journal Article

New nonlinear stiffness actuator with predefined torque‒deflection profile

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

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

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

Effect of Joule heating on electro-osmotic flow in a closed-end micro-channel with isothermal and convective

Liang ZHAO, Linhua LIU,

Journal Article