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14th International Conference on Information and Communication Technology Convergence, ICTC 2023

作者： Choffin, Zachary Jo, Han-Shin Jeong, Seongcheol Jeong, Nathan University of Alabama Department of Electrical and Computer Engineering Tuscaloosa United States Hanyang University Department of Automotive Engineering Seoul Korea Republic of Korea Automotive Technology Institute Eco-Friendly Vehicle R&d Division Cheonan Korea Republic of

ISBN: (纸本)9798350313277

This paper demonstrates the usefulness of the PathHistory element in the SAE J2735 standard. A real-world test was conducted, utilizing the PathHistory element to display the track of a vehicle over 680 meters away, outside the range of the C-V2X (Cellular vehicle to Everything) units. By utilizing the latitude and longitude offsets provided in the data, a reconstructed path of the vehicle was generated, beyond the view of the C-V2X rSU (roadside Unit). This data element has the potential to expand the rSU coverage range far beyond what antennas were capable of. Several use cases were presented that allow for the extended coverage of rSU placements and the detection of crash elements on the road. © 2023 IEEE.

关键词： C-V2X ITS Path History Traffic controller

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A design and control method for Pole Changing Induction Machine for Traction Application

A design and control method for Pole Changing Induction Mach...

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2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024

作者： Akatsu, Kan Kato, Naoya Masayoshi, Tsurube Mori, Tomonari Watahiki, Masanori Yokohama National University Division of Intelligent Systems Engineering Department of Faculty of Engineering Kanagawa Japan Yokohama National University Department of Electrical Engineering Kanagawa Japan Nidec Product Technology R&d Center Nidec Corporation Kanagawa Japan

ISBN: (纸本)9798350376067

This paper presents a design method of a Pole Changing Induction Machine (PCIM) with double 3 phase inverter. The winding method and a design of the machine geometry to maximize the advantage of the pole changing IM are shown. Also, a driving method of PCIM which can reduce the torque shock under the pole changing is described. Some simulation and experimental results show the effectiveness of PCIM and torque shock reduction under the high torque conditions. © 2024 IEEE.

关键词： Machine windings

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79 GHz Band Ultra-Low Profile radar Module Using End-Fire Antenna and Lens

79 GHz Band Ultra-Low Profile Radar Module Using End-Fire An...

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Asia-Pacific Conference on Microwave

作者： Yuta Nakano ryosuke Shiozaki Koji Suzuki Shigeki Nakamura Ken Takahashi Noriaki Saito R&D Division Panasonic Automotive Systems Co. Ltd. 600 Saedo-cho Tsuzuki-ku Yokohama City Japan R&D Division Panasonic Automotive Systems Co. Ltd. 1006 kadoma Kadoma City Japan Technology Center Panasonic System Networks R&D Lab. Co. Ltd. 1-1-3 Sainen Kanazawa City Japan

This paper proposes a 79 GHz band ultra-low profile radar module which has a new antenna structure that combines an end-fire antenna (EFA) with a lens, and the EFA radiates radio waves in the horizontal direction to the substrate. Both electromagnetic simulation and actual measurements demonstrate that the new antenna structure combining the EFA with a lens enables 3 dB improved antenna gain and beam angle adjustment in the desired direction. In general, automotive use case, where radars are mounted behind a bumper, multiple reflections between the bumper and the radar surface can pose an issue. The multiple reflections degrade radar performance, resulting in maximum detection range reduction and angle estimation errors. Compared to the conventional radar which uses a broadside antenna (BSA) that radiates radio waves in the vertical direction to the substrate, the proposed radar has a smaller facing area to the bumper so that it can reduce the multiple reflections. Under such mounting conditions, both simulation and measurements show that the proposed radar can improve the variation of transmission loss through the bumper by 3 dB when the distance between the bumper and the radar surface changes, compared to the conventional radar using a BSA. Furthermore, by reducing multiple reflections, the proposed radar improves the accuracy of the direction of arrival (dOA) estimation. These results prove the effectiveness of the proposed radar.

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Utilization of Path History data for the Extension of V2X Network Coverage

Utilization of Path History Data for the Extension of V2X Ne...

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International Conference on Information and Communication Technology Convergence (ICTC)

作者： Zachary Choffin Han-Shin Jo Seongcheol Jeong Nathan Jeong Department of Electrical and Computer Engineering University of Alabama Tuscaloosa USA Department of Automotive Engineering Hanyang University Seoul South Korea Eco-Friendly Vehicle R&D Division Korea Automotive Technology Institute Cheonan South Korea

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Extremum Seeking-Based Braking Friction Force Maximization Algorithm Using Fuzzy Logic Without Slip ratio for ABSs

IEEE Transactions on Intelligent Vehicles

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IEEE Transactions on Intelligent vehicles 2024年第8期9卷 5272-5283页

作者： Jinwoo Ha Sesun You Young-jin Ko Wonhee Kim Department of Energy Systems Engineering Chung-Ang University Seoul South Korea Department of Electrical Energy Engineering Keimyung University Daegu South Korea Flying Car R&D Center Korea Automotive Technology Institute Jeonnam South Korea School of Energy Systems Engineering Chung-Ang University Seoul South Korea

In this paper, we propose an extremum seeking-based algorithm using fuzzy logic for maximizing the braking friction force in anti-lock brake systems (ABSs) without relying on vehicle speed information and slip ratio dynamics. Many current ABSs algorithms utilize slip ratio as a control parameter. If the slip ratio is inaccurately measured, the braking performance of the ABSs may not be optimal. To address this, we propose a method to achieve maximum friction force by designing a reference generator that generates the control inputs for the ABSs without requiring slip ratio information. We design an extended state observer that can estimate the braking friction force and braking friction coefficient. Based on the estimated friction force, the desired wheel cylinder pressure (WCP), which is the control input of the hydraulic brake system, is generated to converge to the maximum friction force using the extremum seeking control algorithm. To achieve improved braking performance, the initial desired WCP is calculated using fuzzy logic for quick convergence to the optimal region. The proposed method is experimentally validated using a hardware-in-the-loop simulation, which includes components such as MATLAB/Simulink, CarSim, SCALEXIO real-time system, and a hydraulic brake system.

关键词： Friction Force Wheels vehicle dynamics roads Heuristic algorithms Brakes

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research on HrI Evaluation System and diver Safety Equipment

Research on HRI Evaluation System and Diver Safety Equipment

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OCEANS 2024 - Halifax, OCEANS 2024

作者： Lee, Ye Jun Kim, Min-Gyu Shin, Myung-Jun Park, Tae Sung Kim, Jinhyung Kim, Sunghun Lee, Kichoon Lee, Jihun Min, Jeongtack Research Center Pohang Korea Republic of Pusan National University Hospital Pusan National University School of Medicine Department of Rehabilitation Medicine Busan Korea Republic of Institute of Technology Pusan National University Hospital Department of Convergence Medical Busan Korea Republic of Technical Research Center RNWare Co. Ltd Daegu Korea Republic of Gleam-Systems System Development Division Daejeon Korea Republic of Gleam-Systems Modeling and Simulation Division Daejeon Korea Republic of Marine Leisure Equipment R&d Center Pohang Korea Republic of

ISBN: (纸本)9798331540081

Scuba diving is a common aquatic leisure sport that many individuals enjoy in the sea. With the increasing number of people participating, there is a corresponding rise in related incidents and accidents. Typically, such events are caused by inadequate user proficiency with equipment, sudden onset of physical symptoms, failure to respond to external obstacles, and equipment malfunctions. As interest in scuba diving grows, the development of diver safety equipment that enhances convenience and usability through the interaction between divers and equipment is crucial, not only to assist underwater activities but also to preemptively prevent accidents. This paper explores the analysis of divers' physiological conditions and diver equipment evaluation criteria. Building upon this, it proposes a HrI(Human-robot Interaction) evaluation system to facilitate the research and development of safety equipment for secure scuba diving operations. © 2024 IEEE.

关键词： Human robot interaction

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Past and Future Practical Solutions for Torsional Vibration damping in vehicle Industry

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Periodica Polytechnica Transportation Engineering 2022年第4期50卷 318-329页

作者： Venczel, Márk Veress, Árpád Peredy, Zoltán Department of Aeronautics and Naval Architecture Faculty of Transportation Engineering and Vehicle Engineering Budapest University of Technology and Economics Műegyetem rkp. 3. BudapestH-1111 Hungary Engineering Calculations Team Knorr-Bremse Brake Systems Ltd. R&D Center Budapest Major utca 69. BudapestH-1119 Hungary Engineering Institute Edutus University Stúdium tér 1. TatabányaH-2800 Hungary

In addition to material and production costs, consumption and emission limits, the requirements for performance, efficiency and space utilization must be met when it comes to the design of today's internal combustion engines for the automotive industry. As a result, three new design trends have been emerged (based on J. Pfleghaar and B. Lohmann's paper in 2013): 1. downsizing: reduction of engine size (number of pistons and stroke) for fuel and space-saving and CO2 emission reduction purposes, 2. downspeeding: reduction of engine speed to save fuel, which necessarily entails significantly higher torques being generated and transmitted in the engine, 3. turbo supercharging: increasing the pressure and compression ratio in the engine piston cylinder to cover the increased torque demand, which is accompanied by NOx gas emissions. due to these new design trends, significant transverse, axial, and torsional oscillations can occur on the engine's crankshaft. To avoid power loss and fatigue due to the torsional oscillations, a torsional vibration damper is advised to be installed on the free end of the crankshaft or integrated into the flywheel. This review paper focuses on the possible reasons for torsional vibrations, the applied methods used to dampen them, and expected future trends. © 2022 Budapest University of Technology and Economics. All rights reserved.

关键词： Gas emissions

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A design and control method for Pole Changing Induction Machine for Traction Application

A design and control method for Pole Changing Induction Mach...

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IEEE Energy Conversion Congress and Exposition, ECCE

作者： Kan Akatsu Naoya Kato Tsurube Masayoshi Tomonari Mori Masanori Watahiki Department of Faculty of Engineering Division of Intelligent Systems Engineering Yokohama National University Kanagawa Japan Department of Electrical Engineering Yokohama National University Kanagawa Japan NIDEC CORPORATION Nidec Product Technology R&D Center Kanagawa Japan

ISBN: (数字)9798350376067

ISBN: (纸本)9798350376074

关键词： Torque Voltage measurement design methodology Electric shock Windings Traction motors Inverters Induction machines Voltage control Power generation

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Identification of cell type-specific cell-penetrating peptides through in vivo phage display leveraged by next generation sequencing

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Biomedicine and Pharmacotherapy 2025年 182卷 117740-117740页

作者： Kohl, Franziska Laufkötter, Oliver Firth, Mike Krimpenfort, Luc Mangla, Priyanka Ansarizadeh, Mohammadhassan Geylan, Gökçe Eklund, Lauri de Maria, Leonardo Jakobsson, Lars Wiseman, John Centre for Genomics Research Discovery Sciences BioPharmaceuticals R&D AstraZeneca Gothenburg Sweden Department of Medical Biochemistry and Biophysics Karolinska Institutet Stockholm Sweden Department of Life Science Informatics B-IT Rheinische Friedrich-Wilhelms-Universität Bonn Germany Data Sciences and Quantitative Biology Discovery Sciences BioPharmaceuticals R&D AstraZeneca Cambridge United Kingdom Oligonucleotides and Targeted Delivery Discovery Sciences BioPharmaceuticals R&D AstraZeneca Gothenburg Sweden Oulu Center for Cell-Matrix Research University of Oulu Oulu Finland Faculty of Biochemistry and Molecular Medicine University of Oulu Oulu Finland Biocenter Oulu University of Oulu Oulu Finland Molecular AI Discovery Sciences BioPharmaceuticals R&D AstraZeneca Gothenburg Sweden Division of Systems and Synthetic Biology Department of Life Sciences Chalmers University of Technology Gothenburg Sweden Research and Early Development Respiratory & Immunology BioPharmaceuticals R&D AstraZeneca Gothenburg Sweden

Vascular anomalies (VA) refer to abnormal blood or lymphatic vessel architecture, most often as a result of dysregulated growth. Venous malformations (VM), a subgroup of VAs, are triggered by activating mutations in the Angiopoietin/TIE2-PI3K/AKT/mTOr signaling pathway with TIE2 L914F (gene name TEK) being one of the most frequent mutations in patients with VMs. Although systemic targeting of the overactivated pathway is possible, it would be a therapeutic advantage to restrict treatment to only the affected lesions. To identify peptides with potential selective binding to TIE2 L914F lesions we applied in vivo phage display to TIE2 L914F-overexpressing endothelial cells (ECs) in a subcutaneous matrigel xenograft mouse model of VMs. By panning for lesion-targeting phages in combination with subcellular fractionation, a screen for cell-penetrating candidate phages was established. Employing Next Generation Sequencing (NGS) and a refined bioinformatic analysis we were able to identify many novel cell-penetrating peptides (CPPs). To pinpoint the most selective and viable CCP candidates a hierarchical clustering algorithm was utilized. This method aggregated CPPs with highly similar sequences into a small number of clusters from which consensus sequences could be derived. Selected candidate CPPs exhibited uptake in TIE2 L914F-expressing human umbilical vein endothelial cells (HUVEC) in culture and were able to deliver sirNA into these cells. In conclusion, our NGS bioinformatic-supported approach led to the identification of novel and selective CPPs capable of transporting a sirNA cargo into targeted cells. © 2024

关键词： Bioinformatic analysis Cell-penetrating peptides In vivo phage display Next generation sequencing Vascular anomalies

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PALF: Pre-Annotation and Camera-LidAr Late Fusion for the Easy Annotation of Point Clouds

PALF: Pre-Annotation and Camera-LiDAR Late Fusion for the Ea...

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IAPr International Conference on Machine Vision Applications (MVA)

作者： Yucheng Zhang Masaki Fukuda Yasunori Ishii Kyoko Ohshima Takayoshi Yamashita R&D Division Panasonic Automotive Systems Co. Ltd Yokohama City Japan Technology Division Panasonic Holdings Co. Ltd Osaka City Japan Department of Computer Science Chubu University Kasugai City Japan

3d object detection has become indispensable in the field of autonomous driving. To date, gratifying breakthroughs have been recorded in 3d object detection research, attributed to deep learning. However, deep learning algorithms are data-driven and require large amounts of annotated point cloud data for training and evaluation. Unlike 2d images, annotating point cloud data is difficult due to the limitations of sparsity, irregularity, and low resolution, which requires more manual work, and the annotation efficiency is much lower than annotating 2d images. Therefore, we propose an annotation algorithm for point cloud data, which is pre-annotation and camera-LidAr late fusion algorithm to annotate easily and accurately.

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