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European Control Conference (ECC)

作者： Mitchell Levi Satish Vedula Olugbenga Moses Anubi Heath Hofmann Jing Sun Department of Naval Architecture and Marine Engineering University of Michigan Ann Arbor MI USA Department of Electrical and Computer Engineering Center for Advanced Power systems Florida State University Tallahassee FL USA Department of Electrical Engineering and Computer Science University of Michigan Ann Arbor Michigan USA

ISBN: (数字)9783907144107

ISBN: (纸本)9798331540920

Energy storage on all-electric vessels can enable shipboard-integrated power systems to meet increasing pulse load requirements and reduce fuel consumption and greenhouse gas emissions. However, integrating energy storage into shipboard power systems imposes additional requirements on the power management systems. In this paper, a power management controller is developed for the integrated power system utilizing a model predictive control (MPC) scheme. The MPC formulations developed here aim to manage the competing requirements of minimizing component health degradation and the power tracking error when responding to high ramp rate power demands. Sensitivity analysis is performed to explore the direct tradeoff between generator health and battery health when meeting the load power demand is strictly enforced. The MPC solution is demonstrated for varying energy storage sizes to provide insight for the design and operation of an integrated shipboard power system.

关键词： Degradation Power demand Costs Sensitivity analysis Power system management Generators Batteries

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Development of remote support system for robotassisted recreation for older adults 4

Development of remote support system for robotassisted recre...

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4th IEEE Global Conference on Life sciences and Technologies, LifeTech 2022

作者： Itai, Shiroh Nariai, Tomoko Kojima, Hiroaki Hiroshima Institute of Technology Department of Electrical Systems Engineering Hiroshima Japan Takachiho University Department of Business Administration Tokyo Japan Industrial Science and Technology Artificial Intelligence Research Center National Institute of Advanced Tsukuba Japan

ISBN: (纸本)9781665419048

As the percentage of the older adults population increases worldwide, both the risk of social isolation of the older adults and the shortage of nursing care personnel have become major issues. To address these issues, we have developed a recreational program, the scenario-type robot-assisted recreation, to promote communication among the older adults in aged care facilities. While the burden of the facility staff increases due to the COVID-19 pandemic, we improved the robot operation interface, developed a system to support the operation of this activity by the facility staff from a remote location, and developed a system to realize communication with remote family members, in order to smoothly operate this recreational activity by the facility staff by themselves. © 2022 IEEE.

关键词： Economic and social effects

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NIR-Responsive Methotrexate-Modified Iron Selenide Nanorods for Synergistic Magnetic Hyperthermic, Photothermal, and Chemodynamic Therapy

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ACS Applied Materials and Interfaces 2024年第20期16卷 25622-25636页

作者： Thirumurugan, Senthilkumar Muthiah, Kayalvizhi Samuvel Lin, Yu-Chien Dhawan, Udesh Liu, Wai-Ching Wang, An-Ni Liu, Xinke Hsiao, Michael Tseng, Ching-Li Chung, Ren-Jei No. 1 Section 3 Zhongxiao East Road Taipei10608 Taiwan Centre for the Cellular Microenvironment Division of Biomedical Engineering James Watt School of Engineering Mazumdar-Shaw Advanced Research Centre University of Glasgow GlasgowG116EW United Kingdom Faculty of Science and Technology Technological and Higher Education Institute of Hong Kong Hong Kong New Territories999077 Hong Kong Scrona AG Grubenstrasse 9 Zürich8045 Switzerland College of Materials Science and Engineering Chinese Engineering and Research Institute of Microelectronics Shenzhen University Shenzhen518060 China Department of Electrical and Computer Engineering National University of Singapore Singapore117583 Singapore Genomics Research Center Academia Sinica Taipei115 Taiwan Department and Graduate Institute of Veterinary Medicine School of Veterinary Medicine National Taiwan University Taipei10617 Taiwan Graduate Institute of Biomedical Materials and Tissue Engineering College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan Research Center of Biomedical Device College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan International Ph.D. Program in Cell Therapy and Regenerative Medicine College of Medicine Taipei Medical University Taipei11031 Taiwan Taipei10608 Taiwan

Breast cancer is a malignant tumor with a high mortality rate among women. Therefore, it is necessary to develop novel therapies to effectively treat this disease. In this study, iron selenide nanorods (FeSe2 NRs) were designed for use in magnetic hyperthermic, photothermal, and chemodynamic therapy (MHT/PTT/CDT) for breast cancer. To illustrate their efficacy, FeSe2 NRs were modified with the chemotherapeutic agent methotrexate (MTX). MTX-modified FeSe2 (FeSe2-MTX) exhibited excellent controlled drug release properties. Fe2+ released from FeSe2 NRs induced the release of •OH from H2O2 via a Fenton/Fenton-like reaction, enhancing the efficacy of CDT. Under alternating magnetic field (AMF) stimulation and 808 nm laser irradiation, FeSe2-MTX exerted potent hyperthermic and photothermal effects by suppressing tumor growth in a breast cancer nude mouse model. In addition, FeSe2 NRs can be used for magnetic resonance imaging in vivo by incorporating their superparamagnetic characteristics into a single nanomaterial. Overall, we presented a novel technique for the precise delivery of functional nanosystems to tumors that can enhance the efficacy of breast cancer treatment. © 2024 The Authors. Published by American Chemical Society

关键词： Magnetic resonance imaging

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Effect of Parasitic Leakage Currents Associated with the Regrown Aperture of AlGaN/GaN Current Aperture Vertical Electron Transistors (CAVETs)

Effect of Parasitic Leakage Currents Associated with the Reg...

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IEEE Electron Devices Technology and Manufacturing Conference (EDTM)

作者： Sara Pouladi Jae Hyun Ryou Department of Mechanical Engineering Texas Center for Superconductivity at UH Advanced Manufacturing Institute University of Houston USA Department of Electrical and Computer Engineering Materials Science and Engineering Program University of Houston USA

We present a numerical simulation on the effect of leakage paths in the regrown GaN layer in the aperture and above the current blocking layer (CBL) of current aperture vertical electron transistor (CAVET) devices. Here, a 2D TCAD modeling is employed to simulate a CAVET device structure considering two main origins of parasitic leakage current from CBL/regrown-GaN interface and gate/regrown-GaN bulk and their degree of detrimental effect on the characteristics of AlGaN/GaN CAVETs.

关键词： Performance evaluation Apertures Logic gates Numerical simulation Wide band gap semiconductors Numerical models Leakage currents

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Spin-orbit-locked hyperbolic polariton vortices carrying reconfigurable topological charges

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eLight 2022年第1期2卷 143-153页

作者： Mingsong Wang Guangwei Hu Saroj Chand Michele Cotrufo Yohannes Abate Kenji Watanabe Takashi Taniguchi Gabriele Grosso Cheng‑Wei Qiu Andrea Alù Photonics Initiative Advanced Science Research CenterCity University of New YorkNew York CityNY 10031USA Department of Electrical and Computer Engineering National University of SingaporeSingapore 116083Singapore Department of Physics and Astronomy The University of GeorgiaAthensGA 30602USA Research Center for Functional Materials National Institute for Materials ScienceTsukubaIbaraki 305‑0044Japan International Center for Materials Nanoarchitectonics National Institute for Materials ScienceTsukubaIbaraki 305‑0044Japan Physics Program Graduate CenterCity University of New YorkNew YorkNY 10016USA

The topological features of optical vortices have been opening opportunities for free-space and on-chip photonic technologies,e.g.,for multiplexed optical communications and robust information *** a parallel but disjoint effort,polar anisotropic van der Waals nanomaterials supporting hyperbolic phonon polaritons(HP2s)have been leveraged to drastically boost light-matter *** far HP2 studies have been mainly focusing on the control of their amplitude and scale *** we report the generation and observation of mid-infrared hyperbolic polariton vortices(HP2Vs)associated with reconfigurable topological ***-shaped gold disks coated with a flake of hexagonal boron nitride are exploited to tailor spin-orbit interactions and realise deeply subwavelength *** complex interplay between excitation spin,spiral geometry and HP2 dispersion enables robust reconfigurability of the associated topological *** results reveal unique opportunities to extend the application of HP2s into topological photonics,quantum information processing by integrating these phenomena with single-photon emitters,robust on-chip optical applications,sensing and nanoparticle manipulation.

关键词： Hyperbolic polariton vortex Light-matter interactions Spin-orbit interaction Topological charge Reconfigurability

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Super-Resolution of Optical Thickness Measurement employing Correlation-based Spectrum Estimation

Super-Resolution of Optical Thickness Measurement employing ...

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CLEO: science and Innovations in CLEO 2024, CLEO: S and I 2024 - Part of Conference on Lasers and Electro-Optics

作者： Yamaguchi, Naoki Yamauchi, Takanori Kitamura, Takayuki Imaki, Masaharu Yamashita, Shinji Set, Sze Yun Research Center for Advanced Science and Technology The Univ. of Tokyo Komaba 4-6-1 Meguro Tokyo153-8904 Japan Information Technology R&D Center Mitsubishi Electric Corporation Ofuna 5-1-1 Kanagawa Kamakura247-8501 Japan Dept. of Electrical Engineering and Information Systems The Univ. of Tokyo Hongo 7-3-1 Bunkyo Tokyo113-8656 Japan

The quantification of optical thickness using a wavelength swept source is pivotal for applications such as Swept Source Optical Coherence Tomography (SS-OCT) and Frequency-Modulated Continuous-Wave (FMCW) lidar, demanding sub-millimeter range resolution. To enhance resolution, we advocate the incorporation of a correlation-based spectrum estimation method in FMCW optical thickness measurement. Our approach successfully resolved a notable 0.59 mm of thickness with a 1.7 nm wavelength sweep, surpassing the 0.61 mm theoretical limit imposed by Fourier transform. © Optica Publishing Group 2024

关键词： Thickness measurement

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Waste Management Application using UML

Waste Management Application using UML

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Renewable Solutions for Ecosystems: Towards a Sustainable Energy Transition (ICRSEtoSET), International Conference on

作者： Yara Hossam Lara Ashraf Nour Mohamed Omar Rabea Yousef Shoula Sally Kassem Irene Samy Industrial Engineering Program School of Engineering and Applied Science Nile University Giza Egypt Smart Engineering Systems Research Center (SESC) Nile University Faculty of Computers and Artificial Intelligence Cairo University Cairo Egypt Industrial Engineering Department Smart Engineering Systems Research Center (SESC) Giza Egypt

ISBN: (数字)9798350346336

ISBN: (纸本)9798350346343

Solid waste creation will continue to grow both in amount and pace as long as there are human activities. The consequences of improper solid waste management are highly harmful to the environment and human health, requiring immediate action to stabilize the situation. This research represents a solid waste collection management system through several unified modelling language (UML) models. The motivation for utilizing the UML modelling approach in solid waste collection management is twofold: first, the environmental importance of solid waste management collection, second the efficiency of UML models in representing such a complex system. The models developed in this research serve as the initial step towards building an efficient mobile application for solid waste collection management. Such mobile application is expected to encourage the use of best practices to manage solid waste collection according to the recent rapid growth of mobile technology utilization.

关键词： Waste management Visual BASIC Waste materials Solid modeling Renewable energy sources Biological system modeling Unified modeling language

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A TE/TM Polarization-independent Frequency Upconversion Based on PC

A TE/TM Polarization-independent Frequency Upconversion Base...

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2023 Photonics and Electromagnetics Research Symposium, PIERS 2023

作者： Ding, Tingting Tang, Yongzhi Yan, Shu Jia Chen, Xianfeng Tong, Mei Song School of Electronic and Electrical Engineering Shanghai University of Engineering Science Shanghai201620 China School of Physics and Astronomy State Key Laboratory of Advanced Optical Communication Systems and Networks Shanghai Jiao Tong University Shanghai200240 China Shanghai Research Center for Quantum Sciences Shanghai201315 China Collaborative Innovation Center of Light Manipulation and Applications Shandong Normal University Jinan250358 China College of Electronics and Information Engineering Tongji University Shanghai201804 China

ISBN: (纸本)9798350312843

Frequency conversion like second-harmonic generation and sum-/difference frequency generation plays a vital role in many applications. Currently, almost all nonlinear devices based on the second-order nonlinearity operate in the polarization-sensitive mode which has greatly restricted their applications. Therefore, it is desirable to obtain a polarization-independent operation for frequency conversions. In this work, we propose and experimentally demonstrate a paradigm of TE/TM polarization-independent frequency upconversion by leveraging the PC and second-order nonlinearity. i.e., sum frequency generation, in the periodically-poled lithium niobate-on-insulator (LNOI) ridge waveguide. With a proper transverse electric field, the fundamental waves of TE and TM mode can be frequency-up converted with an equal efficiency in the frequency converter. Also, by taking the advantages of the LNOI ridge waveguide, the applied voltage is as low as 14.1V in the device. The conversion efficiencies for TE and TM polarized inputs are balanced from 0:1 to 0.3:0.3. The TE/TM polarization-independent operation can be accessed at different wavelengths via a temperature tuning. The proposed method could be used in all-optical wavelength conversion and upconversion detection technologies. © 2023 IEEE.

关键词： Ridge waveguides

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Integrating Deep Learning and Ant Colony Optimization for Improved Shortest Route Problem Solving 5

Integrating Deep Learning and Ant Colony Optimization for Im...

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5th International Conference on Big-data Service and Intelligent Computation, BDSIC 2023

作者： Turky, Ayad Hussain, Abir Bettayeb, Anissa M. Serhani, Mohamed Adel Department of Computer Science College of Computing and Informatics University of Sharjah Sharjah United Arab Emirates Department of Electrical Engineering College of Engineering University of Sharjah Sharjah United Arab Emirates Information Technology Center University of Sharjah Sharjah United Arab Emirates Department of Information Systems College of Computing and Informatics University of Sharjah Sharjah United Arab Emirates

ISBN: (纸本)9798400708923

Determining the best shortest path between locations in intelligent transportation systems is crucial but challenging. Traditional approaches, which assume fixed travel times, fall short of accurately reflecting dynamic factors such as weather, time, and day. This paper introduces a novel two-stage approach that integrates deep learning and ant colony optimization to address this limitation. Firstly, deep learning is employed to predict travel times, incorporating weather conditions as input for improved accuracy. Secondly, an ant colony optimization algorithm is utilized to identify the shortest route based on the predicted travel times. We evaluated the proposed approach using the New York City taxi benchmark dataset and observed superior performance compared to current state-of-the-art algorithms. © 2023 ACM.

关键词： Travel time

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MERACLE:Constructive Layer-Wise Conversion of a Tensor Train into a MERA

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Communications on Applied Mathematics and Computation 2021年第2期3卷 257-279页

作者： Kim Batselier Andrzej Cichocki Ngai Wong Delft Center for Systems and Control Delft University of TechnologyDelftthe Netherlands Skolkovo Institute of Science and Technology(SKOLTECH) 121205 MoscowRussia The Department of Electrical and Electronic Engineering The University of Hong KongHong KongChina

In this article,two new algorithms are presented that convert a given data tensor train into either a Tucker decomposition with orthogonal matrix factors or a multi-scale entanglement renormalization ansatz(MERA).The Tucker core tensor is never explicitly computed but stored as a tensor train instead,resulting in both computationally and storage efficient *** the multilinear Tucker-ranks as well as the MERA-ranks are automatically determined by the algorithm for a given upper bound on the relative approximation *** addition,an iterative algorithm with low computational complexity based on solving an orthogonal Procrustes problem is proposed for the first time to retrieve optimal rank-lowering disentangler tensors,which are a crucial component in the construction of a low-rank *** experiments demonstrate the effectiveness of the proposed algorithms together with the potential storage benefit of a low-rank MERA over a tensor train.

关键词： Tensors Tensor train Tucker decomposition HOSVD MERA Disentangler

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