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17th IEEE International Conference on Industrial Informatics, INDIN 2019

作者： Kakuda, Emi Yokota, Sho Matsumoto, Akihiro Chugo, Daisuke Hashimoto, Hiroshi Toro University Graduate School of Science and Eng Kawagoe Japan Toyo University Dept. of Mechanical Engineering Kawagoe Japan Kwansei Gakuin University School of Science and Technology Hyogo Japan Advanced Institute of Industrial Technology Master Program of Innovation for Design and Eng. Tokyo Japan

ISBN: (纸本)9781728129273

This paper proposes the ungrounded force display using the grooved cam. Using the human illusion, the user can feel the force in the one direction when they use proposed device. It is mainly configured the cam and the slider. The slider follows the cam and moves translational movement. In this paper, we create the new prototype which solving the problems that emerged from the previous prototype. We evaluate the device using the two experiments. One is the subjective evaluation. Second one is the force presentation from the new prototype as the quantitative evaluation. We could solve problems of previous prototype by changing the cam type from plate to groove and blushless motor, and the new one produce the force more clearly than the previous prototype. © 2019 IEEE.

关键词： Navigation systems

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Enhanced electrochemical and sensing performance of dysprosium-doped CdSiO 3 : a promising material for supercapacitor and biosensor applications

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materials science and engineering: B 2025年 321卷

作者： Nandini Robin Nadar J. Deepak S.C. Sharma B.R. Radha Krushna Akila K. Anitha R. Swathi Mishra B. Sargunam I.S. Pruthviraj H. Nagabhushana Kunal S. Jain International Institute of Aerospace Engineering and Management (IIAEM) Jain Global Campus Bengaluru 562112 India Chenraj Roy Chand Centre for Criminology & Forensic Studies Jain College V.V. Puram Bangalore 560004 India Department of Mechanical Engineering Faculty of Engineering & Technology Jain Global Campus Bengaluru 562112 India Honorary Professor of Law and Forensic Materials Jain University Bangalore India C.N.R. Rao Centre for Advanced Materials Tumkur University Tumkur 572 103 India Dept. of Microbiology Meenakshi Medical College Hospital & Research Institute Meenakshi Academy of Higher education and research Chennai 600 078 India Dept. of Oral Medicine & Radiology Meenakshi Ammal Dental College and Hospital Alapakkam Main Road Maduravoyal Chennai- 95 Tamilnadu India Department of Pharmacology IMS & SUM Hospital SOA University Bhubaneswar Odisha 751003 India Department of Electronics and Communication Engineering School of Engineering Avinashi lingam Institute for Home Science and Higher Education for Women Coimbatore 641 108 India

As the demand for energy-efficient storage materials continues to rise, the development of supercapacitors and electrochemical biosensors is becoming increasingly critical. This study presents the synthesis of dysprosium-doped cadmium silicate (DCSO) nanoparticles to enhance the electrochemical performance of carbon paste electrodes. Structural characterization confirms the monoclinic crystal structure and porous morphology of the DCSO nanoparticles. The modified electrodes exhibit high sensitivity for dopamine detection, achieving a limit of detection of 0.3 µM, with an anodic peak current that is 48 % higher than that of the bare electrode—indicating improved sensitivity. Furthermore, the DCSO-modified electrode demonstrates excellent selectivity in the simultaneous detection of dopamine and uric acid. It shows a specific capacitance of 1430.55F/g and a coulombic efficiency of 92.32 % after 5000 charge/discharge cycles, maintaining impressive stability at 88 %. These DCSO nanocomposites hold significant potential for advanced applications in energy storage and biosensing.

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Angle control of antagonistic pneumatic driven and inflatable arm joint 17

Angle control of antagonistic pneumatic driven and inflatabl...

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17th IEEE International Conference on Industrial Informatics, INDIN 2019

作者： Ogasawara, Hirofusa Yokota, Sho Matsumoto, Akihiro Chugo, Daisuke Hashimoto, Hiroshi Toyo University Graduate School of Science and Eng. Kawagoe Japan Toyo University Dept. of Mechanical Engineering Kawagoe Japan Kwansei Gakuin University School of Science and Technology Hyogo Japan Advanced Institute of Industrial Technology Master Program of Innovation for Design and Eng. Tokyo Japan

ISBN: (纸本)9781728129273

The conventional robot arms applied in various fields are demanded to have high force output, high accuracy, high efficiency. But they are seldom applied in human life, because of large weight, rigidity, hazards to people caused by collisions. Therefore the soft robotic arm that is stretchable, light weight, softness without possible of hazards, and high precision control is suitable to deploy in human life. Thus the purpose of this research is to develop the soft robotic arm by using antagonistic pneumatic driven system. In order to realize this concept, the joint activation mechanism is the key component. This study focuses on the angle control of the joint. In this paper, the robot arm made by polyethylene is proposed. Air bags made of polyethylene inside the joint achieve antagonistic driven states. Helical tube made of polyethylene is adhered joint outside for realizing rigidity. It is characterized that control rigidity is realized by controlling the pressure in the helical tube and joint angle is preciously controlled in two degree of freedom by controlling pressure in the air bags. Furthermore, the joint angle can be controlled by controlling the air pressures in the air bags using stretch sensor measuring joint angle. The experimental result confirmed that the driving concept of the joint was well functioned, and the joint angle control was realized by feedback control. © 2019 IEEE.

关键词： Robotic arms

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On Ultrafast X-ray Methods for Magnetism

arXiv

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arXiv 2023年

作者： Plumley, R. Chitturi, S.R. Peng, C. Assefa, T.A. Burdet, N. Shen, L. Reid, A.H. Dakovski, G.L. Seaberg, M.H. O'Dowd, F. Montoya, S.A. Chen, H. Okullo, A. Mardanya, S. Kevan, S.D. Fischer, P. Fullerton, E.E. Sinha, S.K. Colocho, W. Lutman, A. Decker, F.-J. Roy, S. Fujioka, J. Tokura, Y. Minitti, M.P. Johnson, J.A. Hoffmann, M. Amoo, M.E. Feiguin, A. Yoon, C. Thayer, J. Nashed, Y. Jia, C. Bansil, A. Chowdhury, S. Lindenberg, A.M. Dunne, M. Blackburn, E. Turner, J.J. Stanford Institute for Materials and Energy Science Stanford University Slac National Accelerator Laboratory Menlo ParkCA94025 United States Linac Coherent Light Source Slac National Accelerator Laboratory Menlo ParkCA94720 United States Physics Dept. Carnegie Mellon University PittsburghPA15213 United States Department of Materials Science and Engineering Stanford University StanfordCA94305 United States Division of Synchrotron Radiation Research Department of Physics Lund University Solvegatan 14 Lund22100 Sweden Center for Memory and Recording Research University of California-San Diego La Jolla CA92093 United States Physics Department Northeastern University BostonMA02115 United States Department of Physics and Astronomy Howard University WashingtonDC20059 United States Department of Physics University of Oregon EugeneOR97401 United States Advanced Light Source Lawrence Berkeley National Laboratory BerkeleyCA94720 United States Materials Sciences Division Lawrence Berkeley National Laboratory BerkeleyCA94720 United States Department of Electrical and Computer Engineering University of California-San Diego La Jolla CA92093 United States Department of Physics University of California-San Diego La Jolla CA92093 United States University of Tokyo Hongo Tokyo113-8656 Japan Graduate School of Pure and Applied Science University of Tsukuba Ibaraki Tsukuba305-8573 Japan Wako351-0198 Japan Villigen PSI5232 Switzerland Department of Mechanical Engineering Howard University WashingtonDC20059 United States Slac National Accelerator Laboratory Menlo ParkCA94025 United States

With the introduction of x-ray free electron laser sources around the world, new scientific approaches for visualizing matter at fundamental length and time-scales have become possible. As it relates to magnetism and 'magnetic-type' systems, advanced methods are being developed for studying ultrafast magnetic responses on the time-scales at which they occur. We describe three capabilities which have the potential to seed new directions in this area and present original results from each: pump-probe x-ray scattering with low energy excitation, x-ray photon fluctuation spectroscopy, and ultrafast diffuse x-ray scattering. By combining these experimental techniques with advanced modeling together with machine learning, we describe how the combination of these domains allows for a new understanding in the field of magnetism. Finally, we give an outlook for future areas of investigation and the newly developed instruments which will take us there. © 2023, CC BY.

关键词： Electrons

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Energy Storage for a High Penetration of Renewables

Energy Storage for a High Penetration of Renewables

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Offshore Energy and Storage Summit (OSES)

作者： Bruno Cárdenas Lawrie Swinfen-Styles James P. Rouse Adam Hoskin Weiqing Xu Seamus D. Garvey Dept. of Mechanical Materials and Manufacturing Engineering University of Nottingham Nottingham United Kingdom School of Automation Science and Electrical Engineering Beihang University Beijing China

The following topics are dealt with: offshore installations; compressed air energy storage; power grids; wind turbines; wind power plants; renewable energy sources; energy storage; power generation economics; thermal ... 详细信息

ISBN: (纸本)9781728123189

关键词： Energy storage Wind Manufacturing Wind power generation Wind turbines State of charge

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Fabrication and anisotropic electrical property for oriented ceramic of Li-(Nb,Ta)-Ti-O system under high-magnetic field

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Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy 2020年第4期67卷 208-212页

作者： Nakano, Hiromi Suzuki, Tohru Kan, Akinori Toyohashi University of Technology CRFC Center 1-1 Hibarigaoka Tempaku-cho Toyohashi441-8580 Japan National Institute for Materials Science Research Center for Functional Materials 1-2-1 Sengen Tsukuba305-0047 Japan Meijo University Dept. Vehicle and Mechanical Engineering 1-501 Shiogamaguchi Tempaku-ku Nagoya468-8502 Japan

The Li1+x-y(Nb,Ta)1-x-3yTix+4yO3 (0.06 ≤ x ≤ 0.33, 0 ≤ y ≤ 0.09) forms a unique and periodical structure as a superstructure. In this work, toward application of the unique qualities of an electro-ceramic, we fabricated oriented bulk ceramics by slip casting in a strong magnetic field of 12 T. The c-axis of the powders was aligned parallel to the magnetic field. As a result, we found anisotropic- electric properties which were caused by a superstructure with intergrowth layers of corundum-type [Ti2O3]2+. In the Li-Nb-Ti-O system, the Qf value parallel to the c-axis was about five times greater than that of perpendicular to the c-axis. We concluded from our analytical and simulation results that the large Qf value parallel to the c-axis was caused from a combination of two factors;one being the anisotropic electron conductivity and the other the anisotropic bonding strength in the superstructure by insertion of the intergrowth layer. © 2020 Japan Society of Powder and Powder Metallurgy.

关键词： Corundum

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Wall-distance free wray-agarwal turbulence model with elliptic blending 48th

Wall-distance free wray-agarwal turbulence model with ellipt...

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48th AIAA Fluid Dynamics Conference, 2018

作者： Han, Xu Rahman, Mizanur M. Agarwal, Ramesh K. Washington University in St. Louis St. LouisMO63130 United States Dept. of Mechanical Engineering & Materials Science Dept. of Mechanical Engineering Aalto University Helsinki Finland

ISBN: (数字)9781624105531

ISBN: (纸本)9781624105531

This paper describes several extensions to the original Wray-Agarwal model (WA2017) to improve its implementation and accuracy. The extensions include (1) modification to the model to remain accurate and robust under the special condition of zero-strain rate in the flow field, (2) a wall distance free (WDF) formulation to provide improved accuracy near curved surfaces, and (3) elliptic blending to improve the accuracy of wall bounded mildly separated flows. The accuracy of the improved model (WA2018-EB) is tested by computing a number of benchmark test cases from NASA Turbulence Modeling Resource (TMR) website. Computational results for fully developed turbulent channel flow at different Reynolds numbers, flow over NASA wall-mounted hump, flow in an asymmetric planar diffuser, flow past a backward facing step, flow past a curved backward facing step, flow over a periodic hill, flow past an axisymmetric transonic bump, and flow past an axisymmetric corner with shock/boundary layer interaction are presented. It is shown that the improved WA model (WA2018) with elliptic blending (WA2018-EB) has better agreement with the experimental data for majority of test cases. © 2018, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.

关键词： NASA

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Adaptive Sliding Mode Control for Synchronization of Unified Hyperchaotic Systems

Adaptive Sliding Mode Control for Synchronization of Unified...

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International Conference on Methods and Models in Automation and Robotics (MMAR)

作者： Wang-Long Li Wei-Lun Liang Kuo-Ming Chang Dept. of Materials Science and Engineering National Cheng Kung University Tainan Taiwan Gold Circuit Electronics Ltd. Taoyuan Taiwan Dept. of Mechanical Engineering National Kaohsiung University of Science and Technology Kaohsiung Taiwan

This paper addresses synchronization control of four-dimensional unified drive-response hyperchaotic system. First, a unified four-dimensional hyperchaotic system can be implemented by an electrical circuit. Then, using the sliding mode control technique and Lyapunov stability theory, an adaptive sliding mode controller is proposed for unified drive-response hyperchaotic systems with dead-zone input, unknown system parameters, and external disturbance to achieve the synchronization control goal. Finally, experimental results are given to demonstrate the effectiveness and robustness of the proposed control scheme.

关键词： Synchronization Sliding mode control Adaptive systems Chaos Switches Uncertainty

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HAADF and Analytical TEM of The Metastable α-Al and θ'-Al2Cu Phases in a Rapidly Solidified Hypo-Eutectic Al-Cu Alloy

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Microscopy and Microanalysis 2019年第S2期25卷 1528-1529页

作者： B. Vishwanadh J.T. McKeown J. M.K. Wiezorek Dept. of Mechanical Engineering & Materials Science University of Pittsburgh Pittsburgh PA USA Materials Science Division Bhabha Atomic Research Centre Mumbai India. Materials Science Division. Lawrence Livermore National Laboratory Livermore CA USA

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Acquisition and Analysis of Scanning Tunneling Spectroscopy Data – WSe2 Monolayer

arXiv

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arXiv 2020年

作者： Feenstra, Randall M. Frazier, Grayson R. Pan, Yi Fölsch, Stefan Lin, Yu-Chuan Jariwala, Bhakti Zhang, Kehao Robinson, Joshua A. Dept. Physics Carnegie Mellon University PittsburghPA15213 United States Paul-Drude-Institut für Festkörperelektronik Hausvogteiplatz 5-7 Berlin10117 Germany Center for Spintronics and Quantum Systems State Key Laboratory for Mechanical Behavior of Materials Xi’an Jiaotong University Xi’an710049 China Dept. Materials Science and Engineering Center for 2-Dimensional and Layered Materials Pennsylvania State University University ParkPA16802 United States

Acquisition and analysis is described for scanning tunneling spectroscopy data acquired from a monolayer of WSe2 grown on epitaxial graphene on SiC. Curve fitting of the data is performed, in order to deduce band-edge energies. In addition to describing the details of the theoretical curves used for the fitting, the acquisition and analysis methods are also discussed within the larger context of the historical development of scanning tunneling spectroscopy techniques. Copyright © 2020, The Authors. All rights reserved.

关键词： Monolayers

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