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IEEE International Conference on Automation science and engineering (CASE)

作者： Kei Higuchi Constantin Uhde Gordon Cheng Ixchel G. Ramirez-Alpizar Gentiane Venture Natsuki Yamanobe Graduate School of Engineering Mechanical Systems Engineering Tokyo University of Agriculture and Technology Japan National Institute of Advanced Industrial Science and Technology (AIST) Japan Institute for Cognitive Systems Technical University of Munich Germany Department of Mechanical Engineering Faculty of Engineering The University of Tokyo Japan

ISBN: (数字)9798350358513

ISBN: (纸本)9798350358520

Robots can acquire skills to accomplish a target task by learning human manipulations. In this study, we build an end-to-end visuomotor learning system for a robot to learn multiple tasks in a virtual environment, and then perform the same tasks in a real environment without re-training. We use domain randomization to improve the generalization performance of the learning model. To effectively tackle this challenge, we build an integrated learning system that jointly learns robot motions and visual features of the task. The experimental results show that our system can perform multiple tasks with a high success rate and is able to successfully bridge the Sim2Real gap, compared to learning motion and visual features separately.

关键词： Learning systems Robot motion Bridges Visualization Image recognition Computer aided software engineering Virtual environments Motors Robots Image reconstruction

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CeO_(2) nanoparticles with oxygen vacancies decorated N-doped carbon nanorods:A highly efficient catalyst for nitrate electroreduction to ammonia

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Nano Research 2022年第10期15卷 8914-8921页

作者： Zerong Li Zhiqin Deng Ling Ouyang Xiaoya Fan Longcheng Zhang Shengjun Sun Qian Liu Abdulmohsen Ali Alshehri Yonglan Luo Qingquan Kong Xuping Sun Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province School of Chemistry and Chemical engineeringChina West Normal UniversityNanchong 637002China Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of ChinaChengdu 610054China Institute for Advanced Study Chengdu UniversityChengdu 610106China Chemistry Department Faculty of ScienceKing Abdulaziz UniversityP.O.Box 80203Jeddah 21589Saudi Arabia College of Chemistry Chemical Engineering and Materials ScienceShandong Normal UniversityJinan 250014China

Electrocatalytic nitrate reduction reaction(NO_(3)−RR)emerges as a highly efficient approach toward ammonia synthesis and degrading NO_(3)−*** our study,CeO_(2) nanoparticles with oxygen vacancies(VO)decorated N-doped carbon nanorods on graphite paper(CeO_(2)−x@NC/GP)were demonstrated as a highly efficient NO_(3)−RR *** CeO_(2)−x@NC/GP catalyst manifests a significant NH_(3 )yield up to 712.75μmol·h^(−1)·cm^(−2) at−0.8 V *** hydrogen electrode(RHE)and remarkable Faradaic efficiency of 92.93%at−0.5 V *** under alkaline conditions,with excellent ***,an assembled Zn-NO_(3)−battery with CeO_(2)−x@NC/GP as cathode accomplishes a high-power density of 3.44 mW·cm^(−2) and a large NH3 yield of 145.08μmol·h^(−1)·cm^(−2).Density functional theory results further expose the NO_(3)−reduction mechanism on CeO_(2)(111)surface with VO.

关键词： CeO_(2)−x nanoparticles oxygen vacancies electrochemical NO_(3)−reduction ammonia synthesis electrocatalysis

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control-oriented modeling and passivity analysis of thermal dynamics in a multi-producer district heating system

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IFAC-PapersOnLine 2023年第1期56卷 175-180页

作者： Saeed Ahmed Juan E. Machado Michele Cucuzzella Jacquelien M.A. Scherpen Jan C. Willems Center for Systems and Control ENTEG Faculty of Science and Engineering University of Groningen 9747 AG Groningen The Netherlands Department of Electrical Computer and Biomedical Engineering University of Pavia Italy

Climate change and geopolitics have led to the conception of plans for reducing greenhouse gas emissions and improving the sustainability of existing fossil-based energy systems. In this respect, district heating has been identified as an indispensable player for its potential to integrate seamlessly environmentally-friendly heat sources. To improve the efficiency of these district heating systems, optimal operation schemes can be devised and enforced through control systems. To this end, we present a control-oriented nonlinear ODE-based model of temperature dynamics in a multi-producer district heating system. The model features a modular design and comprises the thermal dynamics of heat exchangers of producers and consumers interconnected by a distribution network of meshed topology. Then, we establish passivity properties and zero-state detectability for the modeled temperature dynamics that could be exploited for controller design and solving constrained optimization problems.

关键词： District heating thermal dynamics Krasovskii passivity shifted passivity zero-state detectability

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Optimizing Maximum Profit for Electric Vehicle Users in a Bipolar DC Distribution Grid with Probabilistic EV Load Demand and V2G Integration

Optimizing Maximum Profit for Electric Vehicle Users in a Bi...

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International Electrical engineering Congress (iEECON)

作者： Guntinan Sakulphaisan Sirirat Son-in Nitikorn Junhuathon Industrial technology and innovation management Faculty of science and technology Pathumwan institute of technology Bangkok Thailand Electrical Engineering and Automation Control Systems Faculty of engineering and industrial technology Bansomdejchaopraya Rajabhat University Bangkok Thailand Department of Electrical Engineering Faculty of Engineering Rajamangala University of Technology Thanyaburi Pathumthani Thailand

ISBN: (数字)9798350383591

ISBN: (纸本)9798350383607

This article delves into the synergistic potential of integrating Bipolar DC distribution grids, Probabilistic EV load demand forecasting, and Vehicle-to-Grid (V2G) technology. It offers a blueprint for electric vehicle (EV) users to smartly improve their financial results. Through the amalgamation of these components, individuals who possess electric vehicles have the potential to mitigate their energy expenditures while concurrently generating additional income. The study reveals that the integration of EV into the distribution system can lead to a substantial increase in daily energy loss, reaching up to 25.91%. However, when V2G technology is employed within the distribution grid, it has the remarkable capability to mitigate this increase in daily energy loss significantly, achieving a reduction of up to 64.12%.

关键词： Electrical engineering Vehicle-to-grid Energy loss Electric potential Demand forecasting Probabilistic logic Resilience

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Holding Strategy Using Torso to Enable Humanoid Robots to Carry Heavier Objects

Holding Strategy Using Torso to Enable Humanoid Robots to Ca...

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IEEE/SICE International Symposium on System Integration

作者： Satoki Tsuichihara Masayuki Yamada Kaito Hara Gustavo A. Garcia Ricardez Akishige Yuguchi Jun Takamatsu Takahiro Wada Yasutake Takahashi Tsukasa Ogasawara Department of Human and Artificial Intelligent Systems Faculty of Engineering University of Fukui Fukui Fukui Japan Division of Information Science Nara Institute of Science and Technology Ikoma Nara Japan College of Information Science and Engineering Ritsumeikan University Kusatsu Shiga Japan Department of Medical and Robotic Engineering Design Faculty of Advanced Engineering Tokyo University of Science Katsushika-ku Tokyo Japan

To alleviate the lack of workforce endemic in contemporary societies, inventory management can be delegated to robots. However, current robotic solutions cannot operate effectively in narrow spaces that have limited unoccupied pathways, such as storage rooms. Humanoid robots can work in facilities designed for humans, including narrow spaces with partially obstructed pathways, as they can overcome small obstacles on the floor by stepping over them. However, their limited torque makes it difficult for the robots to carry many of the objects typically found in storage rooms such as boxes. On the other hand, when holding an object, using multiple body parts can help to distribute the object's load. In this research, we propose a holding strategy for humanoid robots using both arms in conjunction with the torso to prevent exceeding the joint torque limit. We formulate the hands' force and the coordinates of the robot's center of gravity when holding an object with and without using the torso. Using the humanoid robot HRP-4, we compare the torque on the robot's joints when holding an object with two and three contact points. The results show that the three-point holding reduces the torque load on the shoulder and the chest joints. Moreover, we measure the torque of all joints in various torso-bending/leaning and arm-up/down postures while holding a 2-kg object using both arms and the torso. The results show that the leaning torso posture using the chest joint reduces the torque load on the shoulder and chest joints.

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Technology Roadmap for Flexible Sensors

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ACS NANO 2023年第6期17卷 5211-5295页

作者： Luo, Yifei Abidian, Mohammad Reza Ahn, Jong-Hyun Akinwande, Deji Andrews, Anne M. Antonietti, Markus Bao, Zhenan Berggren, Magnus Berkey, Christopher A. Bettinger, Christopher John Chen, Jun Chen, Peng Cheng, Wenlong Cheng, Xu Choi, Seon-Jin Chortos, Alex Dagdeviren, Canan Dauskardt, Reinhold H. Di, Chong-an Dickey, Michael D. Duan, Xiangfeng Facchetti, Antonio Fan, Zhiyong Fang, Yin Feng, Jianyou Feng, Xue Gao, Huajian Gao, Wei Gong, Xiwen Guo, Chuan Fei Guo, Xiaojun Hartel, Martin C. He, Zihan Ho, John S. Hu, Youfan Huang, Qiyao Huang, Yu Huo, Fengwei Hussain, Muhammad M. Javey, Ali Jeong, Unyong Jiang, Chen Jiang, Xingyu Kang, Jiheong Karnaushenko, Daniil Khademhosseini, Ali Kim, Dae-Hyeong Kim, Il-Doo Kireev, Dmitry Kong, Lingxuan Lee, Chengkuo Lee, Nae-Eung Lee, Pooi See Lee, Tae-Woo Li, Fengyu Li, Jinxing Liang, Cuiyuan Lim, Chwee Teck Lin, Yuanjing Lipomi, Darren J. Liu, Jia Liu, Kai Liu, Nan Liu, Ren Liu, Yuxin Liu, Yuxuan Liu, Zhiyuan Liu, Zhuangjian Loh, Xian Jun Lu, Nanshu Lv, Zhisheng Magdassi, Shlomo Malliaras, George G. Matsuhisa, Naoji Nathan, Arokia Niu, Simiao Pan, Jieming Pang, Changhyun Pei, Qibing Peng, Huisheng Qi, Dianpeng Ren, Huaying Rogers, John A. Rowe, Aaron Schmidt, Oliver G. Sekitani, Tsuyoshi Seo, Dae-Gyo Shen, Guozhen Sheng, Xing Shi, Qiongfeng Someya, Takao Song, Yanlin Stavrinidou, Eleni Su, Meng Sun, Xuemei Takei, Kuniharu Tao, Xiao-Ming Tee, Benjamin C. K. Thean, Aaron Voon-Yew Trung, Tran Quang Wan, Changjin Wang, Huiliang Wang, Joseph Wang, Ming Wang, Sihong Wang, Ting Wang, Zhong Lin Weiss, Paul S. Wen, Hanqi Xu, Sheng Xu, Tailin Yan, Hongping Yan, Xuzhou Yang, Hui Yang, Le Yang, Shuaijian Yin, Lan Yu, Cunjiang Yu, Guihua Yu, Jing Yu, Shu-Hong Yu, Xinge Zamburg, Evgeny Zhang, Haixia Zhang, Xiangyu Zhang, Xiaosheng Zhang, Xueji Zhang, Yihui Zhang, Yu Zhao, Siyuan Zhao, Xuanhe Zheng, Yuanjin Zheng, Yu-Qing Zheng, Zijian Zhou, Tao Zhu, Bowen Zhu, Ming Zhu, Rong Zhu, Yangzhi Zhu, Yong Zou, Guijin Chen, Xiaodong 08-03 Innovis Singapore 138634 Republic of Singapore Innovative Centre for Flexible Devices (iFLEX) School of Materials Science and Engineering Nanyang Technological University Singapore 639798 Singapore Department of Biomedical Engineering University of Houston Houston Texas 77024 United States School of Electrical and Electronic Engineering Yonsei University Seoul 03722 Republic of Korea Department of Electrical and Computer Engineering The University of Texas at Austin Austin Texas 78712 United States Microelectronics Research Center The University of Texas at Austin Austin Texas 78758 United States Department of Chemistry and Biochemistry California NanoSystems Institute and Department of Psychiatry and Biobehavioral Sciences Semel Institute for Neuroscience and Human Behavior and Hatos Center for Neuropharmacology University of California Los Angeles Los Angeles California 90095 United States Colloid Chemistry Department Max Planck Institute of Colloids and Interfaces 14476 Potsdam Germany Department of Chemical Engineering Stanford University Stanford California 94305 United States Laboratory of Organic Electronics Department of Science and Technology Campus Norrköping Linköping University 83 Linköping Sweden Wallenberg Initiative Materials Science for Sustainability (WISE) and Wallenberg Wood Science Center (WWSC) SE-100 44 Stockholm Sweden Department of Materials Science and Engineering Stanford University Stanford California 94301 United States Department of Biomedical Engineering and Department of Materials Science and Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213 United States Department of Bioengineering University of California Los Angeles Los Angeles California 90095 United States School of Chemistry Chemical Engineering and Biotechnology Nanyang Technological University Singapore 637457 Singapore Nanobionics Group Department of Chemical and Biological Engineering Monash University Clayton Australia 3800 Monash

Humans rely increasingly on sensors to address grand challenges and to improve quality of life in the era of digitalization and big data. For ubiquitous sensing, flexible sensors are developed to overcome the limitations of conventional rigid counterparts. Despite rapid advancement in bench-side research over the last decade, the market adoption of flexible sensors remains limited. To ease and to expedite their deployment, here, we identify bottlenecks hindering the maturation of flexible sensors and propose promising solutions. We first analyze continued...challenges in achieving satisfactory sensing performance for real-world applications and then summarize issues in compatible sensor-biology interfaces, followed by brief discussions on powering and connecting sensor networks. Issues en route to commercialization and for sustainable growth of the sector are also analyzed, highlighting environmental concerns and emphasizing nontechnical issues such as business, regulatory, and ethical considerations. Additionally, we look at future intelligent flexible sensors. In proposing a comprehensive roadmap, we hope to steer research efforts towards common goals and to guide coordinated development strategies from disparate communities. Through such collaborative

关键词： soft materials mechanics engineering flexible electronics conformable sensors bioelectronics human-machine interfaces body area sensor networks technology translation sustainable electronics

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Lag Synchronization and Lag H∞ Synchronization for Multiweighted Coupled Reaction-Diffusion Neural Networks Suffering Topology Attacks

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IEEE Transactions on control of Network systems 2025年

作者： Wang, Jin-Liang Zhao, Xin-Yu Ren, Shun-Yan Huang, Tingwen Tiangong University Tianjin Key Laboratory of Autonomous Intelligence Technology and Systems School of Computer Science and Technology Tianjin300387 China Tiangong University School of Electronics & Information Engineering Tianjin300387 China University of Electronic Science and Technology of China School of Mechanical and Electrical Engineering Chengdu611731 China Shenzhen University of Advanced Technology Faculty of Computer Science and Control Engineering Shenzhen518055 China

This paper mainly discusses two kinds of coupled reaction-diffusion neural networks (CRNN) under topology attacks, that is, the cases with multistate couplings and with multiple spatial-diffusion couplings. On one hand, by adopting state feedback control scheme, the problem of the lag synchronization for the multistate coupled CRNN is addressed. Moreover, the influences of external disturbances for the lag synchronization of the CRNN with multistate couplings are also taken into consideration. On the other hand, several lag and lag H∞ synchronization conditions for CRNN with multiple spatial-diffusion couplings are derived under the help of the Kronecker product and the state feedback control method. Finally, two numerical examples are provided to verify the correctness of the derived criteria. © 2014 IEEE.

关键词： State feedback

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4-Benzyl-2-(3-(4-fluorophenyl)-2-oxopropyl)-6-phenyl pyridazin-3(2H)-one as a Carbon Steel Corrosion Inhibitor in an Acidic Environment: Electrochemical, Spectroscopic, Thermodynamic, and Quantum Chemical Assessments

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Journal of Bio- and Tribo-Corrosion 2024年第3期10卷 1-21页

作者： Zaroual, A. Daoui, S. El Faydy, M. Timoudan, N. Chraka, A. Zarrok, H. Bellaouchou, A. Warad, I. Karrouchi, K. Benchat, N. Chtita, S. Zarrouk, A. Laboratory of Materials Nanotechnology and Environment Faculty of Sciences Mohammed V University in Rabat Rabat Morocco Laboratory of Advanced Materials and Process Engineering Faculty of Sciences Ibn Tofail University Kenitra Kenitra14000 Morocco Faculty of Sciences Mohammed I University Oujda Oujda60000 Morocco Laboratory of Agricultural Resources Polymer and Process Engineering Faculty of Sciences Ibn Tofail University Kenitra Kenitra14000 Morocco Laboratory of Engineering Materials and Sustainable Energy Faculty of Science Abdelmalek Essaadi University Tetouan Morocco Department of Chemistry AN-Najah National University Nablus Palestine Research Centre Manchester Salt & ampCatalysis Unit C 88-90 Chorlton Rd ManchesterM15 4AN United Kingdom Laboratory of Analytical Chemistry and Bromatology Team of Formulation and Quality Control of Health Products Faculty of Medicine and Pharmacy Mohammed V University in Rabat Rabata Morocco Laboratory of Analytical and Molecular Chemistry Faculty of Sciences Ben M’Sik Hassan II University of Casablanca Casablanca Morocco

The anti-corrosion characteristics of a synthesized pyridazinone analog, namely, 4-benzyl-2-(3-(4-fluorophenyl)-2-oxopropyl)-6-phenylpyridazin-3(2H)-one (BOPP), on carbon steel (CR/S) in a 1-M HCl medium were assessed by potentiodynamic polarization (PDP), electrochemical impedance spectroscopy (EIS), scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX), contact angle, UV–Visible, and modeling methods. Outcomes demonstrate that BOPP hindered (CR/S) corrosion in a 1-M HCl medium and disclose that the performance of inhibition improved with BOPP amount (95.7% for 10−3M at 303 K), but reduced somewhat with temperature (84.7% for 10−3M at 333 K). BOPP’s mixed-type nature was revealed via PDP bends. BOPP is chemisorbed on the surface of (CR/S) following the Langmuir adsorption model. The contact angle findings disclose that the adsorbed BOPP coating enhances the hydrophobicity of the (CR/S) surface. The SEM &EDX test outcomes demonstrated that BOPP may perfectly adsorb at the (CR/S) interface. The altered appearance of UV–Visible spectra demonstrates the development of a complex among BOPP and iron in the HCl medium. Furthermore, theoretical inquiries were carried out utilizing density functional theory (DFT) and molecular dynamics simulation (MDs) to assess the most reactive sites of the pyridazinone molecule and its adsorption process. © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2024.

关键词： Molecular dynamics

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Industrial Scenario of Renewable Energy-Based Electromobility 3rd

Industrial Scenario of Renewable Energy-Based Electromobilit...

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3rd International Conference on Energy systems, Drives and Automations, ESDA 2020

作者： Szymanski, Jerzy Zurek-Mortka, Marta Faculty of Transport Electrical Engineering and Computer Science Kazimierz Pulaski University of Technology and Humanities Radom Poland Department of Control Systems Lukasiewicz Research Network Institute for Sustainable Technology Radom Poland

ISBN: (纸本)9789811672736

The article presents the concept of a hybrid network topology in the enterprises with the use of a solar power plant and energy storage as well as a drive frequency converter for charging of transportation battery of wheels vehicles and powering of electric caterpillar mining machines. Two important functionalities of the drive frequency converter as a unidirectional EV battery charger and for powering electric motors are presented. The obtained results of the simulation and experimental tests of the presented model confirm the possibility of controlling the DC current value of connected to drive frequency converter of the diode rectifier unit charging the EV battery. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Solar energy

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Tendon-Like Tissue Regeneration Via an Electrospun Nanofiber Scaffold and Cyclic Stretch Stimulation

SSRN

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SSRN 2025年

作者： Morita, Yasuyuki Omata, Seiji Matsubara, Fuga Kimura, Yasuhiro Toku, Yuhki Ju, Yang Faculty of Advanced Science and Technology Kumamoto University Kumamoto Japan Graduate Department of Micro-Nano Mechanical Science and Engineering Graduate School of Engineering Nagoya University Nagoya Japan Department of Mechanical Engineering Faculty of Engineering Kyushu University Fukuoka Japan State Key Laboratory of Fluid Power and Mechatronic Systems School of Mechanical Engineering Zhejiang University Hangzhou China Kumamoto University Kumamoto Japan

Tendons are important biological tissues that support skeletal muscule activity and lack the ability to heal because of the low number of cells in the ***, regenerative medical techniques have been used to treat tendon tissues in recent *** hypothesized that the unidirectional orientation of the extracellular matrix in tendon tissues, such as collagen, is an important factor in terms of physical and cellular *** addition, because the tendon tissue repeatedly expands during exercise, it is necessary to add a similar mechanical stimulus to the regenerated tendon *** such an environment, it is necessary to appropriately induce undifferentiated mesenchymal stem cells to differentiate into tendon cells to generate the physical structure of the tendon ***, we aimed to clarify the relationship between the induction of tendon cell differentiation and changes in tissue structure in response to mechanical stimuli during tendon tissue *** study used electrospinning to stack nanofibers on silicone rubber substrates, which are incubator materials for the effecient and reproducible fabrication of nanofibers. The layered nanofiber film was capable of building up sufficient thickness and succeeded in building up a thickness of 100 $\mu$*** effects of the elasticity and hardness of the incubator material seemed to be sufficiently small because the laminate was several times thicker than the cells, which had an adherent and spreading *** fiber diameter of the stacked nanofibers is 0.2-1 $\mu$m, which is sufficiently smaller than the size of cells, so the cell adhesion group formed when cells adhere is then small and can easily be strongly induced in the fiber *** results showed that when scleraxis-programmed tendon progenitors in human mesenchymal stem cell (hMSC-SCX) were seeded in a culture vessel with a nanofiber layer, cell proliferation was promoted and there was no decrease in gene expression spe

关键词： Stem cells

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