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European Control Conference (ECC)

作者： Má rcia L. C. Peixoto Gabriela L. Reis Pedro H. S. Coutinho Leonardo A. B. Torres Reinaldo M. Palhares Graduate Program in Electrical Engineering Federal University of Minas Gerais Brazil Graduate Program in Electrical Engineering Federal University of Minas Gerais Department of Technological Education Federal Institute of Southeast Minas Gerais Minas Gerais Brazil Department of Aerospace Engineering California Polytechnic State University CA USA Department of Electronics Engineering Federal University of Minas Gerais Minas Gerais Brazil

ISBN: (数字)9783907144077

ISBN: (纸本)9781665497336

This paper addresses the stability analysis of uncertain discrete-time delayed systems described by Difference-Algebraic Representations (DAR). This kind of representation allows dealing with rational functions of the state as well as uncertain parameters. New delay-dependent Linear Matrix Inequalities based-conditions are obtained with a parameter-dependent Lyapunov-Krasovskii functional jointly with the Wirtinger-based summation inequality and the delay-dependent Moon's inequality with a suitable augmented vector. Numerical examples illustrate the potential and effectiveness of the proposed conditions.

关键词： Discrete-time systems Codes Moon Finance Europe Stability analysis Delays

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Design and exploration of vertically stacked complementary tunneling field-effect transistors

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Applied Physics Express 2024年第1期17卷 014001-014001页

作者： Thoti, Narasimhulu Li, Yiming Parallel and Scientific Computing Laboratory National Yang Ming Chiao Tung University Hsinchu300093 Taiwan Electrical Engineering and Computer Science International Graduate Program National Yang Ming Chiao Tung University Hsinchu300093 Taiwan Institute of Communications Engineering National Yang Ming Chiao Tung University Hsinchu300093 Taiwan Institute of Biomedical Engineering National Yang Ming Chiao Tung University Hsinchu300093 Taiwan Department of Electronics and Electrical Engineering National Yang Ming Chiao Tung University Hsinchu300093 Taiwan

The purpose of this letter is to study the design and explore vertically stacked complementary tunneling field-effect transistors (CTFETs) using CFET technology for emerging technology nodes. As a prior work, the CTFET’s device-level simulations are implemented and deliberated in strict compliance with the experimental settings. This work comprises the study of physical and DC analyses by scaling the p- to n-CTFET separation (D pn), being a significant factor in CFET/CTFET design for its process difficulty. By utilizing the 50% benefit in footprint, the work is further extended to CTFET static random access memory implementation and characterization with hold/read noise margin analysis. © 2023 The Author(s). Published on behalf of The Japan Society of Applied Physics by IOP Publishing Ltd

关键词： Si-Ge alloys

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A Wideband Bandpass Power Divider with Improved Isolation Performance 4

A Wideband Bandpass Power Divider with Improved Isolation Pe...

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4th International Applied Computational Electromagnetics Society Symposium in China, ACES-China 2021

作者： Gao, Xin Zhang, Nan Wang, Xiaolong Ma, Jian Chen, Chun-Ping Ma, Zhewang College of Electronic Science and Engineering Jilin University Changchun China Kanagawa University Department of Electrical Electronics and Information Engineering Yokohama Japan Graduate School of Science and Engineering Saitama University Saitama Japan

ISBN: (纸本)9781733509619

With improved isolation performance, a wideband bandpass power divider is newly reported. Four transmission zeros of S-{22} and S-{23} can be got, and the amplitude of both S-{22} and S-{23} can be controlled below -20 dB by adding an extra isolation resistor. The mathematical conditions are presented, the several design examples are listed, and the S-parameters of different cases are compared. For verification, a wideband power divider is shown with text{FBW} =78% at f-{0}=2.5 text{GHz}. © 2021 Applied Computational Electromagnetics Society (ACES).

关键词： Scattering parameters

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MSEMG: Surface Electromyography Denoising with a Mamba-based Efficient Network

MSEMG: Surface Electromyography Denoising with a Mamba-based...

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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)

作者： Yu-Tung Liu Kuan-Chen Wang Rong Chao Sabato Marco Siniscalchi Ping-Cheng Yeh Yu Tsao Department of Electronics and Electrical Engineering National Yang Ming Chiao Tung University Taiwan Research Center for Information Technology Innovation Academic Sinica Taiwan Graduate Institute of Communication Engineering National Taiwan University Taiwan Department of Computer Science and Information Engineering National Taiwan University Taiwan University of Palermo Italy

ISBN: (数字)9798350368741

ISBN: (纸本)9798350368758

Surface electromyography (sEMG) recordings can be contaminated by electrocardiogram (ECG) signals when the monitored muscle is closed to the heart. Traditional signal processing-based approaches, such as high-pass filtering and template subtraction, have been used to remove ECG interference but are often limited in their effectiveness. Recently, neural network-based methods have shown greater promise for sEMG denoising, but they still struggle to balance both efficiency and effectiveness. In this study, we introduce MSEMG, a novel system that integrates the Mamba state space model with a convolutional neural network to serve as a lightweight sEMG denoising model. We evaluated MSEMG using sEMG data from the Non-Invasive Adaptive Prosthetics database and ECG signals from the MIT-BIH Normal Sinus Rhythm Database. The results show that MSEMG outperforms existing methods, generating higher-quality sEMG signals using fewer parameters.

关键词： Adaptation models Databases Computational modeling Surface contamination Noise reduction Interference Electrocardiography Electromyography Speech processing Surface treatment

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Performance Comparison of Single-Phase PV Inverter Topologies Regarding Efficiency and Power Density

Performance Comparison of Single-Phase PV Inverter Topologie...

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IEEE Annual Southern Power electronics Conference (SPEC)

作者： Aurean Belo Guimaraes Junior Thiago Ribeiro De Oliveira Graduate Program in Electrical Engineering (PPGEE) Federal University of Minas Gerais (UFMG) Belo Horizonte Brazil Department of Electronic Engineering Federal University of Minas Gerais (UFMG) Belo Horizonte Brazil

This paper investigates the performance of single-phase inverter topologies regarding their efficiency and power density. The main objective is to verify competitive advantages among topologies and determine which ones are more suitable for being employed as PV inverters. A brute force multi-objective algorithm is used to produce multiple inverter designs for each topology and create a solution space, whereas a Pareto-front optimization selects the optimal designs for comparison.

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Ultrasound Stimulation Potentiates Management of Diabetic Hyperglycemia

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Ultrasound in Medicine and Biology 2023年第5期49卷 1259-1267页

作者： Chang, Chia-Hsuan Fan, Kang-Chih Cheng, Yuan-Pin Chen, Jung-Chih Chen, Gin-Shin Graduate Degree Program of the College of Electrical and Computer Engineering National Yang Ming Chiao Tung University Hsinchu City Taiwan Institute of Biomedical Engineering and Nanomedicine National Health Research Institutes Miaoli County Taiwan Division of Endocrinology and Metabolism Department of Internal Medicine National Taiwan University Hospital Hsinchu Branch Hsinchu City Taiwan Graduate Institute of Clinical Medicine College of Medicine National Taiwan University Taipei City Taiwan Electronic Systems Research Division National Chung-Shan Institute of Technology Taoyuan City Taiwan Institute of Biomedical Engineering National Yang Ming Chiao Tung University Hsinchu City Taiwan Department of Electrical and Computer Engineering National Yang Ming Chiao Tung University Hsinchu City Taiwan Catholic Mercy Hospital Catholic Mercy Medical Foundation Hsinchu County Taiwan Medical Device Innovation & Translation Center National Yang Ming Chiao Tung University Hsinchu City Taiwan

Objective: Glucose homeostasis is the only way to manage diabetic progression as all medications used do not cure diabetes. This study was aimed at verifying the feasibility of lowering glucose with non-invasive ultrasonic stimulation. Methods: The ultrasonic device was homemade and controlled via a mobile application on the smartphone. Diabetes was induced in Sprague–Dawley rats through high-fat diets followed by streptozotocin injection. The treated acupoint CV12 was at the middle of the xiphoid and umbilicus of the diabetic rats. Parameters of ultrasonic stimulation were an operating frequency of 1 MHz, pulse repetition frequency of 15 Hz, duty cycle of 10% and sonication time of 30 min for a single treatment. Discussion: The diabetic rats exhibited a significant decrease of 11.5% ± 3.6% in blood glucose in 5 min of ultrasonic stimulation (p © 2023 World Federation for Ultrasound in Medicine & Biology

关键词： Glucose

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Feasibility Analysis of Integrating Single-Phase electrical Vehicle Charging Stations to Distribution Grid

Feasibility Analysis of Integrating Single-Phase Electrical ...

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Global Power, Energy and Communication Conference (GPECOM)

作者： Ilim Erden Ersan Kabalci Yasin Kabalci Graduate School of Natural and Applied Sciences Nigde Omer Halisdemir University Nigde Türkiye Electrical and Electronics Engineering Department Nevsehir Haci Bektas Veli University Nevsehir Türkiye Electrical and Electronics Engineering Department Nigde Omer Halisdemir University Nigde Türkiye

As distribution grids transition from the traditional model to the smart grid model, grid control becomes a significant part of deployment planning. The integration of Electric Vehicles (EVs) into the traditional distribution grid requires detailed planning and analysis studies to be performed. This study investigates the effects of balanced and unbalanced EV charging station (EVCS) loads in a distribution region in Türkiye for low and high growth rate demand scenarios in 2030. The charger model adopted for the study distribution region is a 7 kW single-phase device. The study uses the distribution region’s current power consumption data to run simulations on Digsilent Powerfactory and to forecast power demand for 2030. The results for both traditional grid and expected smart grid scenarios are presented and discussed.

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Broadbanding of electrically Small Hemispherical Helix Antennas

Broadbanding of Electrically Small Hemispherical Helix Anten...

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2022 International Symposium on Antennas and Propagation (ISAP)

作者： Mina Nishie Taiga Hannya Keisuke Noguchi Graduate Program in Electrical Engineering and Electronics Kanazawa Institute of Technology Nonoichi Ishikawa Japan Kinden Corporation Osaka Osaka Japan Department of Electrical and Electronic Engineering Kanazawa Institute of Technology Nonoichi Ishikawa Japan

ISBN: (数字)9781665479622

ISBN: (纸本)9781665479639

Novel wireless communication systems such as IoT devices and B5G are widely spreading, high performance electrically small antennas which is wireless interface of RF module is strongly demanded. As relationship between miniaturization of antenna and realization of high performance is trade-off, research and development for electrically small antennas are important. Though spherical helix antennas have been proposed as antennas that the size is possible to reduction by theoretical limitation, practical improvement of the antenna performance is required. This paper denotes broadbanding of the hemispherical helix antennas using an equivalent circuit with loss factor, and discuss the affects of loss factor on the wideband characteristics.

关键词： Wireless communication Resistance Performance evaluation Helical antennas Antenna theory Broadband antennas Wideband

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Task Planning and Motion Control with Temporal Logic Specifications

Task Planning and Motion Control with Temporal Logic Specifi...

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IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)

作者： Marcos S. Pereira Luciano C. A. Pimenta Bruno V. Adorno Graduate Program in Electrical Engineering Department of Electronic Engineering Universidade Federal de Minas Gerais Belo Horizonte MG Brazil Manchester Centre for Robotics and AI The University of Manchester Manchester UK

This paper proposes a task planning and motion control framework that generates task plans for a linear temporal logic specification (LTL), which are then executed using a task-space constrained motion controller and a local task planner that overcomes local minima. We propose a new encoding for task specifications, directly in the task-space, as constraints of a mixed-integer linear program that can be used with off-the-shelf LTL linear encoding. We apply our framework to plan and execute trajectories for a free-flying robot and show that the task plan is accomplished without collisions, even in the presence of unexpected moving obstacles that are not considered in the planning phase, while control signal constraints are satisfied. To evaluate the local minima avoidance, we compare the local task planner with a sampling-based motion planner, and the results show a smoother trajectory with a faster execution and less total planning time when using our framework. Last, our framework scaled well with a longer LTL specification, as opposed to automata-based frameworks that usually suffer with the curse of the dimensionality.

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Field Weakening Strategies to Suppress Intermediate DC-DC Conversion Stages in Hybrid Construction Machinery

Field Weakening Strategies to Suppress Intermediate DC-DC Co...

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2022 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2022

作者： Parreiras, Thiago M. Brandao, Dener A. L. Maia, Thales A.C. Pires, Igor A. Nascimento, Anderson Cardoso, Braz J. Institute of Technological Sciences Universidade Federal de Itajubá Itabira Brazil Graduate Program in Electrical Engineering Universidade Federal de Minas Gerais Belo Horizonte Brazil Universidade Federal de Minas Gerais Department of Electrical Engineering Belo Horizonte Brazil South America Tractor Backhoe Loaders CNH Industrial Brasil Contagem Brazil

ISBN: (数字)9781665492065

ISBN: (纸本)9781665492065

Hybrid Construction Machinery differs from conventional Hybrid and Full Electric Vehicles since the electrification can be applied not only to the traction system, but also and mainly to its attachments, which generally are the major responsible for diesel consumption. A dc-dc converter stage is usually applied between the battery bank and the motor drive in order to properly deal with the substantial battery voltage variation as a function of its state-of-charge (SoC). This work presents how a field weakening strategy can be applied to a Permanent Magnet Synchronous Machine (PMSM) drive in order to allow direct connection of the batteries to its dc link, therefore suppressing the need of a dc-dc stage and, consequently, reducing the hybridization costs, weight and volume. Simulation results are presented in a ditch excavation cycle. © 2022 IEEE.

关键词： Construction equipment

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