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Ball-disk rotor gyroscope adaptive quick-starttechnique Article

Xiao-wei LIU, Rui WENG, Hai LI, Hai-feng ZHANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 9,   Pages 1430-1436 doi: 10.1631/FITEE.1600035

Abstract: Rotating speed is a critical parameter affecting the performanceof rotor gyroscopes. Rotor gyroscopes must operate at the rated rotatingspeed. To shorten the start time of the ball-disk rotor gyroscope,this paper presents a new design of the drive system for a ball-diskrotor gyroscope. The drive system is monitored by a microcontroller.First, the microcontroller generates a sine pulse width modulationsignal to drive the permanent magnet rotor. Second, the position ofthe rotor is detected according to the back electromotive force inthe non-energized coil. Third, a piecewise closed-loop control algorithmis implemented to keep the angular acceleration of the rotor withinthe safe range automatically during the acceleration process and whenrunning at a constant speed. This control algorithm can avoid rotorstalling due to loss of steps. Experimental result shows that withthe help of adaptive quick-start technique, the start time of thedevice can be shortened by up to 36.6%.

Keywords： Rotor gyroscope     Magnetically driven     Quick start     Piecewise algorithm     Closed-loop control    

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Magnetically driven microrobotsmoving in a flow: a review Review Article

Jiamiao MIAO, Xiaopu WANG, Yan ZHOU, Min YE, Hongyu ZHAO, Ruoyu XU, Huihuan QIAN

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 11,   Pages 1520-1540 doi: 10.1631/FITEE.2300054

Abstract: Magnetically driven s hold great potential to perform specific tasks more locally and less invasively

Keywords： Microrobot     Flow     Dynamics modeling     Control    

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China Needs High-speed Magnetically Levitated Train

Yan Luguang

Strategic Study of CAE 2000, Volume 2, Issue 5,   Pages 8-13

Abstract:

The development, main features and advantages of the high-speed magnetically levitated train are shortlySome suggestions to develop high-speed magnetically levitated train technology in China are presented

Keywords： magnetically levitated train     high-speed passenger transportation     communications and transportation    

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The Development of 3D Atomic Force Microscopy with Magnetically Driven-orthogonal Cantilever Probes Article

Hao Zhang, Junyuan Geng, Haibo Gao, Weibin Rong, Hui Xie

Engineering 2023, Volume 24, Issue 5,   Pages 84-93 doi: 10.1016/j.eng.2022.06.010

Abstract:

This paper presents a three-dimensional (3D)-atomic force microscopy (AFM) method based on magneticallydriven (MD)-orthogonal cantilever probes (OCPs), in which two independent scanners with three degrees

Keywords： 3D-AFM     MD-OCP     Critical dimensions (CDs)     360° Characterization     3D topography reconstruction    

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State-of-the-art on theories and applications of cable-driven parallel robots

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0693-3

Abstract: Cable-driven parallel robot (CDPR) is a type of high-performance robot that integrates cable-driven kinematic

Keywords： cable-driven parallel robot     kinematics     optimization     dynamics     control    

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Fabrication of MIL-100(Fe)@SiO

Yinlong Hu,Shuang Zheng,Fumin Zhang

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4,   Pages 534-541 doi: 10.1007/s11705-016-1596-9

Abstract: Heterogeneous catalysts with convenient recyclability and reusability are vitally important to reduce the cost of catalysts as well as to avoid complex separation and recovery operations. In this regard, magnetic MIL-100(Fe)@SiO @Fe O microspheres with a novel core-shell structure were fabricated by the self-assembly of a metal-organic MIL-100(Fe) framework around pre-synthesized magnetic SiO @Fe O particles under relatively mild and environmentally benign conditions. The catalytic activity of the MIL-100(Fe)@SiO @Fe O catalyst was tested for the liquid-phase acetalization of benzaldehyde and glycol. The MIL-100(Fe)@SiO @Fe O catalyst has a significant amount of accessible Lewis acid sites and therefore exhibited good acetalization catalytic activity. Moreover, due to its superparamagnetism properties, the heterogeneous MIL-100(Fe)@SiO @Fe O catalyst can be easily isolated from the reaction system within a few seconds by simply using an external magnet. The catalyst could then be reused at least eight times without significant loss in catalytic efficiency.

Keywords： metal-organic frameworks     heterogeneous catalysis     magnetically recoverable catalysts     core-shell structure    

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Function-oriented optimization design method for underactuated tendon-driven humanoid prosthetic hand

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0696-0

Abstract: study, a function-oriented optimization design (FOD) method is proposed for the design of a tendon-driven

Keywords： function-oriented     tendon driven     prosthetic hand     optimization     humanoid     underactuated    

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One-pot hydrothermal fabrication of BiVO/FeO/rGO composite photocatalyst for the simulated solar light-driven

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1470-y

Abstract:

• BiVO4/Fe3O4/rGO has excellent photocatalytic activity under solar light radiation.

Keywords： Photocatalysis     Ternary magnetic photocatalyst     Visible-light-driven     Free radicals trapping     Reusability    

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A real-life stability model for a large shield-driven tunnel in heterogeneous soft soils

Xinyu HU, Zixin ZHANG, Scott KIEFFER

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 176-187 doi: 10.1007/s11709-012-0149-7

Abstract: face stability model to determine the minimal pressure needed at the tunnel face for a large shield-drivenmixed-layer soils are conducted, and the effects of the involved parameters for a large, multilayered, shield-driven

Keywords： analytical solution     shield-driven tunnel     multilayered soil     face stability    

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Prediction of hydro-suction dredging depth using data-driven methods

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 652-664 doi: 10.1007/s11709-021-0719-7

Abstract: In this study, data-driven methods (DDMs) including different kinds of group method of data handlingData-driven simulation results indicated that the HGSO algorithm accurately trains the GMDH methods better

Keywords： sedimentation     water resources     dam engineering     machine learning     heuristic    

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Data driven models for compressive strength prediction of concrete at high temperatures

Mahmood AKBARI, Vahid JAFARI DELIGANI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 311-321 doi: 10.1007/s11709-019-0593-8

Abstract: The use of data driven models has been shown to be useful for simulating complex engineering processesIn this study, four data-driven models, namely multiple linear regression, artificial neural network,to the equations of NIST Technical Note standard and demonstrate the suitability of using the data drivenaddition, the results show employing the parsimonious set of input variables is sufficient for the data driven

Keywords： data driven model     compressive strength     concrete     high temperature    

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An energy consumption prediction approach of die casting machines driven by product parameters

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 868-886 doi: 10.1007/s11465-021-0656-0

Abstract: fill this gap, this paper proposes an energy consumption prediction approach for die casting machines driven

Keywords： die casting machine     energy consumption prediction     product parameters    

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Linear quadratic optimal controller for cable-driven parallel robots

Saeed ABDOLSHAH,Erfan SHOJAEI BARJUEI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 344-351 doi: 10.1007/s11465-015-0364-8

Abstract:

In recent years, various cable-driven parallel robots have been investigated for their advantages,Thus, the application of such an optimal controller in cable-driven parallel robots can result in moreThis paper presents an approach to apply the LQ optimal controller on cable-driven parallel robots.To employ the optimal control theory, the static and dynamic modeling of a 3-DOF planar cable-driven

Keywords： accuracy     cable-driven parallel robot     linear quadratic optimal control    

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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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Digital twin-driven smart supply chain

Frontiers of Engineering Management 2022, Volume 9, Issue 1,   Pages 56-70 doi: 10.1007/s42524-021-0186-9

Abstract: Therefore, we propose creating a DT-driven supply chain (DTSC) as an innovative and integrated solution

Keywords： digital twin     supply chain management    

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Title Author Date Type Operation

Ball-disk rotor gyroscope adaptive quick-starttechnique

Xiao-wei LIU, Rui WENG, Hai LI, Hai-feng ZHANG

Journal Article

Magnetically driven microrobotsmoving in a flow: a review

Jiamiao MIAO, Xiaopu WANG, Yan ZHOU, Min YE, Hongyu ZHAO, Ruoyu XU, Huihuan QIAN

Journal Article

China Needs High-speed Magnetically Levitated Train

Yan Luguang

Journal Article

The Development of 3D Atomic Force Microscopy with Magnetically Driven-orthogonal Cantilever Probes

Hao Zhang, Junyuan Geng, Haibo Gao, Weibin Rong, Hui Xie

Journal Article

State-of-the-art on theories and applications of cable-driven parallel robots

Journal Article

Fabrication of MIL-100(Fe)@SiO

Yinlong Hu,Shuang Zheng,Fumin Zhang

Journal Article

Function-oriented optimization design method for underactuated tendon-driven humanoid prosthetic hand

Journal Article

One-pot hydrothermal fabrication of BiVO/FeO/rGO composite photocatalyst for the simulated solar light-driven

Journal Article

A real-life stability model for a large shield-driven tunnel in heterogeneous soft soils

Xinyu HU, Zixin ZHANG, Scott KIEFFER

Journal Article

Prediction of hydro-suction dredging depth using data-driven methods

Journal Article

Data driven models for compressive strength prediction of concrete at high temperatures

Mahmood AKBARI, Vahid JAFARI DELIGANI

Journal Article

An energy consumption prediction approach of die casting machines driven by product parameters

Journal Article

Linear quadratic optimal controller for cable-driven parallel robots

Saeed ABDOLSHAH,Erfan SHOJAEI BARJUEI

Journal Article

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

Journal Article

Digital twin-driven smart supply chain

Journal Article