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5th International Conference on Control, Robotics and Informatics, ICCRI 2022

作者： Le, Minh-Hai Cheng, Ching-Hwa Liu, Don-Gey Nguyen, Thanh-Tuan Feng Chia University Program of Electrical and Communications Engineering Taichung Taiwan Feng Chia University Department of Electronic Engineering Taichung Taiwan

ISBN: (数字)9781665468008

ISBN: (纸本)9781665468008

The Light Detection And Ranging (LiDAR) is integrated into self-driving cars to enhance system reliability. Unfortunately, its effectiveness is severely limited under the extreme weather conditions such as rain, fog, and cloud. This paper proposes an adaptive filter that can remove snow particles (de-snowing) from raw LiDAR point clouds. The proposed method adopts the intensity threshold with a two-stage filter that provides outstanding performance on both accuracy (98%) and processing speed (1.42 frames per second) under extreme environment for the autonomous driving system. © 2022 IEEE.

关键词： Adaptive filters

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Application of 3D Printing and Design in Healthcare: A Focus on Undergraduate Research to Attract Students to Bioengineering and Related Disciplines 54

Application of 3D Printing and Design in Healthcare: A Focus...

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54th IEEE Frontiers in Education Conference, FIE 2024

作者： Zelada-Quiroz, Cindy M. Reyes-Santiago, Brian L. Ortiz-Rivera, Eduardo I. University of Puerto Rico at Mayagüez Bio-Engineering Graduate Program Mayagüez Puerto Rico University of Puerto Rico at Mayagüez Department of Computer Science and Engineering Mayagüez Puerto Rico University of Puerto Rico at Mayagüez Department of Electrical and Computer Engineering Mayagüez Puerto Rico

ISBN: (纸本)9798350351507

This research-to-practice paper describes developing and analyzing state-of-the-art smart boots created by combining CAD technology and advanced 3D printing techniques to attract students in bio-engineering and related fields. The primary objective of this innovative immobilization boot is to expedite fracture recovery phases through an ergonomic design to ensure optimal patient comfort during its use. Technological solutions are crucial in aiding the rehabilitation process for fractures caused by falls, heavy lifting, or rotational trauma. However, cost and comfort-related issues persist, underscoring the need for alternative approaches. This research addresses these challenges and delves into the broader implications of fracture treatment, catalyzing future projects and investigations in bioengineering. Additionally, this study serves as an educational tool that sparks the interest of high school and engineering students, promoting multidisciplinary collaboration in innovation. By involving students in specialized courses covering 3D design, human bone anatomy, biology, and materials science, this initiative empowers them to deepen their knowledge and develop new technologies to address bone injury problems. Material analyses include evaluating the type of material depending on the fracture site, such as PLA for printing and cotton and silicone gel for the midsection between the splint and the body. This research aims to advance our understanding of the type of fracture, the methods associated with their treatment, and tissue repair processes during bone callus formation. To summarize, this multidisciplinary approach drives advancements in bio-engineering and related fields, aiming to enhance patient outcomes and inspire students to pursue further research in bio-engineering and related fields. As part of this endeavor, a list of university-level courses based on the experience of the University of Puerto Rico at Mayaguez (UPRM), such as biology, bio-materials, 3D

关键词： Students

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Analysis of Arc Electron and Heavy Particle Temperature Distribution with Lateral Flow Velocity for Elucidation of Re-strike

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IEEJ Transactions on Power and Energy 2022年第4期142卷 228-234页

作者： Nemoto, Yusuke Suzuki, Yuki Ren, Zhenwei Maeda, Yoshifumi Iwao, Toru Electrical Engineering and Chemistry Graduate School of Integrative Science and Engineering Tokyo City University 1-28-1 Tamazutsumi Setagaya-ku Tokyo158-8557 Japan Department of Electrical Electronic and Communication Engineering Faculty of Science and Engineering Tokyo City University 1-28-1 Tamazutsumi Setagaya-ku Tokyo158-8557 Japan

Arcs are used in a wide range of fields such as welding, circuit breakers, and waste treatment. It is required to clarify the dynamic behavior of the arc and the physical phenomena of the cathode spot and the anode spot in order to improve the performance of products related to the arc phenomenon. Thus, the physical phenomenon of arc has been elucidated from both experiments and numerical analysis. However, few reports have considered the asymmetry and non-equilibrium. In this paper, the arc electron and heavy particle temperature distribution were analyzed with the lateral flow velocity for elucidation of re-strike. As a result, the heavy particle temperature increased in the cold boundary layer under consideration of thermal non-equilibrium. Therefore, it was suggested that the factor of re-strike is the increase in heavy particle temperature. © 2022 The Institute of electrical Engineers of Japan.

关键词： Flow velocity

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Channel Estimation for Optical IRS-Assisted VLC System via Spatial Coherence

Channel Estimation for Optical IRS-Assisted VLC System via S...

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2024 IEEE Global Communications Conference, GLOBECOM 2024

作者： Sun, Shiyuan Yang, Fang Mei, Weidong Song, Jian Han, Zhu Zhang, Rui University of Electronic Science and Technology of China Chengdu611731 China Department of Electronic Engineering Beijing100084 China Research Institute Tsinghua University Shenzhen518057 China Tsinghua University Shenzhen International Graduate School Shenzhen518055 China University of Houston Department of Electrical and Computer Engineering HoustonTX77004 United States Shenzhen Research Institute of Big Data Shenzhen518172 China National University of Singapore Department of Electrical and Computer Engineering Singapore117583 Singapore

ISBN: (纸本)9798350351255

Optical intelligent reflecting surface (OIRS) has been considered a promising technology for visible light communication (VLC) by constructing visual line-of-sight propagation paths to address the signal blockage issue. However, the existing works on OIRSs are mostly based on perfect channel state information (CSI), whose acquisition appears to be challenging due to the passive nature of the OIRS. To tackle this challenge, this paper proposes a customized channel estimation algorithm for OIRSs. Specifically, we first unveil the OIRS spatial coherence characteristics and derive the coherence distance in closed form. Based on this property, a spatial sampling-based algorithm is proposed to estimate the OIRS-reflected channel, by dividing the OIRS into multiple subarrays based on the coherence distance and sequentially estimating their associated CSI, followed by an interpolation to retrieve the full CSI. Simulation results validate the derived OIRS spatial coherence and demonstrate the efficacy of the proposed OIRS channel estimation algorithm. © 2024 IEEE.

关键词： Channel estimation

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A Comparative Analysis of Terminal and Second Order Sliding Mode Controllers for Full Bridge Single Phase Inverters 50

A Comparative Analysis of Terminal and Second Order Sliding ...

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50th Annual Conference of the IEEE Industrial electronics Society, IECON 2024

作者： Ayik, Samet Demirbas, Sevki Güler, Naki Fesli, Ugur Department of Electrical and Electronics Engineering Graduate School of Natural and Applied Sciences Gazi University Ankara Turkey Electrical and Electronics Engineering Department Gazi University Ankara Turkey Renewable Energy and Smart Grid Application and Research Center Gazi University Ankara Turkey Electronic and Automation Department Technical Sciences Vocational School Gazi University Ankara Turkey

ISBN: (纸本)9781665464543

This study presents a comprehensive analysis of Terminal Sliding Mode Control (TSMC) and Super Twisting Sliding Mode Control (SOSMC), in the context of full-bridge single-phase inverters. The controllers are designed to output current control of the single-phase inverter. Simulation studies are performed on MATLAB/Simulink platform to investigate the dynamic responses, steady-state error, ripple magnitude and total harmonic distortion (THD). The results indicate that TSMC offers faster response times but suffers from significant undershoot and higher steady-state errors. Conversely, SOSMC demonstrates superior performance with lower steady-state error, reduced ripple and significantly less harmonic distortion. These findings highlight the relative advantages and disadvantages of each control strategy, providing valuable insights for their application in both academic research and industrial practice. © 2024 IEEE.

关键词： MATLAB

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Transferrin-Mediated Nanophotosensitizer to Enhance Phototherapy with Photoacoustic Imaging Under Hypoxia

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CCS Chemistry 2025年第4期7卷 1127-1141页

作者： Mengyao Yang Yunyoung Nah Donghyeon Oh Xingshu Li Heejeong Kim Sinyoung Park Junha Lim Aibing Chen Chulhong Kim Won Jong Kim Juyoung Yoon College of Chemical and Pharmaceutical Engineering Hebei University of Science and TechnologyShijiazhuang 050018 Department of Chemistry and Nanoscience Ewha Womans UniversitySeoul 03760 Department of Chemistry POSTECH-Catholic Biomedical Engineering InstitutePOSTECHPohang 37673 Department of Electrical Engineering Convergence IT EngineeringMechanical Engineeringand Medical Science and EngineeringMedical Device Innovation CenterPOSTECHPohang 37673 Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy College of ChemistryFuzhou UniversityFuzhou 350108 School of Interdisciplinary Bioscience and Bioengineering POSTECHPohang 37673 Graduate Program in Innovative Biomaterials Convergence Ewha Womans UniversitySeoul 03760

Various obstacles[poor tissue penetration,hypoxic tumor microenvironment,and reactive oxygen species(ROS)production quenching due to aggregation]obstruct imaging-guided high-efficiency phototherapy targeting ***,nanophthalocyanine(ZnPcN4-TF)is elaborately designed based on a synthetic phthalocyanine derivative(ZnPcN4)and nonimmunogenic transferrin(TF)through multiple noncovalent interactions for photoacoustic(PA)imaging-guided *** conjugating electron-rich amino groups effectively suppressed fluorescence and ROS generation due to the strong photoinduced electron transfer effect,ZnPcN4 became an ideal photothermal and PA imaging ***4-TF not only effectively targeted tumor sites and accumulated there,but also,surprisingly,facilitated the enhancement of ROS production via a type I process in an aggregate compared to ZnPcN4 itself,potentially due to accelerated electron ***,ZnPcN4-TF had a substantially more powerful photothermal effect than ZnPcN4 ***,this design effectively overcomes the obstacles to photodynamic therapy(aggregation-related ROS generation quenching in a hypoxic environment).Furthermore,PA imaging solves the tissue penetration challenge in optical *** study provides a broader base for designing novel photosensitizers to improve phototherapy under hypoxia.

关键词： photoacoustic imaging type I reactive oxygen species photothermal effect tumor accumulation self-assembly

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ConvNeXt Model for Breast Cancer Image Classification 6

ConvNeXt Model for Breast Cancer Image Classification

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6th International Conference on Cybernetics and Intelligent System, ICORIS 2024

作者： Setiawan, Devin Karnyoto, Andrea Stevens Intan, Indo Pardamean, Bens Department of Electrical Engineering and Computer Science University of Kansas Lawrence United States Bioinformatics and Data Science Research Center Bina Nusantara University Jakarta Indonesia Department of Informatics Engineering Universitas Dipa Makassar Makassar Indonesia Computer Science Department BINUS Graduate Program Computer Science Program Bina Nusantara University Jakarta Indonesia

ISBN: (纸本)9798331539603

Breast cancer is an occurrence of cancer that attacks breast tissue and is the most common cancer among women worldwide, affecting one in eight women. In this modern world, breast cancer image classification simplifies the process of analyzing, providing objective and accurate results. By leveraging machine learning algorithms and computer vision techniques, we developed breast cancer detection. The dataset is histopathology dataset from BreakHis and UNHAS Hospital. We chose the ConvNeXt-Tiny model then modified the classifier head as the proposed method. Before the dataset is processed by the model, we augment the images by applying random horizontal and vertical flips, adjustments to brightness, contrast, saturation, and hue using color jitter. The augmentation process simulates real-world variance and enhances the model's ability to generalize to unseen data. Our proposed model gained better performance (accuracy, F1-Score) results compared two other techniques to VGG16 and SVM. According to our experiments, the F1-Score for the ConvNeXt-Tiny model with classifier head modification is higher at 0.9516, than the gain for VGG16 at 0.9292, and the gain for the SVM at 0.83. © 2024 IEEE.

关键词： Lung cancer

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Soil Water Content Estimation over Plantation Area Using FMCW Radar

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Progress In Electromagnetics Research B 2023年 101卷 155-173页

作者： Ridhia, Fildha Pramudita, Aloysius Adya Suratman, Fiky Y. Graduate Program of Electrical Engineering Department Telkom University Indonesia Telecommunication Engineering Department Telkom University Indonesia Electrical Engineering Department Telkom University Indonesia

In plantation areas, soil conditions affect the crop's quality. One of the crucial elements in the soil for plant survival is soil water content (SWC). Radar system has advantages that can be implemented for measuring SWC in plantation areas. A radar system operates by utilizing electromagnetic waves to obtain the dielectric characteristics of the soil. However, the presence of tea plants has become an obstacle to the radar wave propagation toward the soil layer. Re ected signal, which is in uenced by the presence of vegetation, makes the estimation of SWC inaccurate. Consequently, the estimation of SWC needs to consider the vegetation's effect. This study uses an FMCW radar system, which operates at a frequency of 24 GHz. A layer medium propagation model is proposed in this study to prove the relationship between the re ected signal and the SWC. The re ection coefficient extracted from the radar signal is used to estimate the SWC. The vegetation propagation constant was obtained from the average field measurement results. The gravimetric method is used to validate the SWC estimation in vegetation's presence using the radar system. The results of the field experiments showed that the proposed method succeeded in estimating the SWC by considering the presence of vegetation with an average error of 3.57%. The proposed method has the potential to be applied to plantation areas. © 2023, Progress In Electromagnetics Research B. All Rights Reserved.

关键词： Vegetation

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High-Level AMBA Monitoring Platform for SoC Architecture Exploration

High-Level AMBA Monitoring Platform for SoC Architecture Exp...

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2023 International Conference on electronics, Information, and Communication, ICEIC 2023

作者： Lim, Jaeyun Jeon, Yujin Ham, Eunkyung Kim, Ji-Hoon Ewha Womans University Department of Electronic and Electrical Engineering Seoul Korea Republic of Ewha Womans University Smart Factory Multidisciplinary Program Seoul Korea Republic of

ISBN: (纸本)9798350320213

As a System on Chip (SoC) hardware complexity grows dramatically, it becomes more difficult to find the optimal SoC architecture with various hardware IPs. Accordingly, SoC architecture exploration should be performed before the chip-level implementation where various types of on-chip interconnect topology are compared according to the on-chip traffic patterns from a number of hardware IPs in terms of area, transaction latency, power consumption, etc. In this paper, we propose a high-level AMBA (Advanced Microcontroller Bus Architecture) Monitoring Platform where various traffic statistics can be obtained with C++ modeling using open-source Verilator. For the evaluation, we built the baseline SoC platform with Arm Cortex-M4F CPU core and various hardware IPs. With the proposed high-level AMBA monitoring platform, the high-level C++ modeling of on-chip traffic analysis allows to find optimal AMBA on-chip interconnects in the early stages with fast analysis time based on the on-chip traffic analysis. © 2023 IEEE.

关键词： AMBA Hardware design On-chip interconnect SoC Platform Verilator

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Verilator-based Fast Verification Methodology for BLE MAC Hardware

Verilator-based Fast Verification Methodology for BLE MAC Ha...

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2023 International Conference on electronics, Information, and Communication, ICEIC 2023

作者： Ham, Eunkyung Jeon, Yujin Lim, Jaeyun Kim, Ji-Hoon Ewha Womans University Department of Electronic and Electrical Engineering Seoul Korea Republic of Ewha Womans University Smart Factory Multidisciplinary Program Seoul Korea Republic of

ISBN: (纸本)9798350320213

Following the market trend, fast and strict verification of hardware architecture is essential for saving cost and time of production. Recently, Verilator, an open-source Verilog simulator, is widely used due to its fast simulation time as well as easy-to-use property. In this paper, we present a fast verification methodology for BLE (Bluetooth Low Energy) MAC (Medium Access Control) hardware based on Verilator. Since C++-based modeling can be easily integrated into the Verilog-based hardware platform with Verilator, complex verification scenarios with various parameter configurations can be supported. Compared to the commercial Verilog simulator, our verification platform shows up to 5.94 times of improvement in terms of simulation time. © 2023 IEEE.

关键词： Hardware design Verification Methodology Verilator

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