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Solve the False-Positive Problem of the Mimic System Based on the Best Mimic Component Set

China Communications 2022年第5期19卷 253-266页

作者： Yuwen Shao Zheng Zhang Xiaomei Wang Chuanxing Pan Jiangxing Wu State Key Laboratory of Mathematical Engineering and Advanced Computing Zhengzhou 450001China China National Digital Switching System Engineering and Technological R&D Center Zhengzhou 450002China

At present,there is a problem of false positives caused by the too vast mimic scope in mimic transformation *** studies have focused on the“compensation”method to deal with this problem,which is expensive and cannot fundamentally solve *** paper provides new insights into coping with the ***,this study summarizes the false-positive problem in the mimic transformation,analyzes its possible harm and the root ***,three properties about the mimic scope are *** on the three properties and security quantification technology,the best mimic component set theory is put forward to solve the false-positive *** are two algorithms,the supplemental method and the subtraction *** best mimic component set obtained by these two algorithms can fundamentally solve the mimic system’s false-positive problem but reduce the cost of mimic *** make up for the lack of previous researches.

关键词： mimic scope the best mimic component set false-positive rate mimic transformation

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Experimental research regarding the Flow Pattern and Pressure drop in a Slurry Composed of Polypropylene-Particles 9

Experimental Research Regarding the Flow Pattern and Pressur...

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9th International Conference on Advances in Machinery, Materials Science and engineering Applications, MMSE 2023

作者： Fan, Jinchao Xu, Zhaohui Fang, Chao Lin, Zili Cnpc Engineering Technology R&d Company Limited China National Engineering Research Center for Oil and Gas Drilling and Completion Technology China

ISBN: (纸本)9781643684383

Pipelines used for product transportation require regular cleaning. A new method has emerged using slurry for the cleaning process, during which the flow pattern and pressure drop in the slurry are essential. The flow of slurry containing polypropylene particles was investigated using a laboratory-scale, closed-circuit pipeline facility. While the slurry was pumped, the pressure drop was measured, and the flow pattern was observed regarding particle type, slurry particle concentration, and slurry flow velocity. The results showed that after the critical flow velocity, the particles mixed uniformly with the water in the pipe, increasing the pressure drop in conjunction with the flow velocity. Although a higher particle mass fraction and small particle size reduced the critical flow velocity, the mass fraction and particle size had no significant influence on the pressure drop. This research establishes a solid foundation for the practical application of this cleaning method. © 2023 The Authors.

关键词： Flow patterns

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development of Mold Transformer Life Evaluation Technology 10

Development of Mold Transformer Life Evaluation Technology

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10th International Conference on Condition Monitoring and diagnosis, CMd 2024

作者： Kwon, Jung-Hun Yoon, Jae-Hun Kim, Myung-Chin Material & foundation R&d Center Ls Electric Cheongju Korea Republic of Chungbuk National University Dept. of Electrical Engineering Cheongju Korea Republic of

ISBN: (纸本)9788986510225

In this paper, the fault history and main stress factors of molded transformers were identified, the long-term life was confirmed through accelerated deterioration experiments and failure rate analysis of epoxy insulators, and diagnostic parameters were derived. Through accelerated degradation experiments (accelerated stress: voltage and temperature), it was confirmed that δ is a major state parameter that can determine the age change of mold transformer insulation. To verify the derived condition diagnosis parameters at the product level, we measured the δ of each part under various conditions for mold transformers, and operated and discarded them. From the δ measurement results, we have derived a life formula for knowing the life and remaining life of each part of the mold transformer. © 2024 The Korean Institute of Electrical Engineers (KIEE).

关键词： distribution transformers

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research on Lightweight Encryption Methods for In-Vehicle Ethernet in Intelligent Automobiles 6

Research on Lightweight Encryption Methods for In-Vehicle Et...

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6th International Conference on Internet of Things, Automation and Artificial Intelligence, IoTAAI 2024

作者： dong, Bin Zhao, Xi Fan, Zhirong Cai, Yanbo Wuhan University of Technology School of Automation Hubei Wuhan China R&d Institute Dongfeng Motor Corporation Software Engineering Research Center Hubei Wuhan China R&d Institute Dongfeng Motor Corporation Department of Digitalization and Capability Assurance Hubei Wuhan China

ISBN: (纸本)9798350386974

In recent years, the trends of electrification, intelligence, connectivity, and sharing have led to increasingly complex automotive electronic and electrical systems. Against this backdrop, innovating and expanding the automotive electronic and electrical architecture has become particularly crucial. Service-Oriented Architecture (SOA), AUTOSAr standards, and in-vehicle Ethernet technology have emerged as key technologies and trends driving this development. SOME/IP (Scalable Service-Oriented Middleware over IP) is an important protocol for implementing SOA architecture, inheriting characteristics such as high speed, real-time performance, high fault tolerance, and flexibility from Ethernet. The main function of SOME/IP is to transmit messages from the sender to the receiver during communication. However, the lack of considerations for security verification, integrity, and confidentiality increases uncertainty and risks. Therefore, this paper designs and implements an Ethernet secure communication solution from the perspective of SOME/IP protocol security. This solution innovatively encrypts and decrypts service interface parameters at the application layer, enhancing the security of the in-vehicle network. © 2024 IEEE.

关键词： automotive Ethernet encryption security service interfaces SOME/IP

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Low Switching Frequency Motor drive Using All Switching Patterns Search based direct Torque Control 50

Low Switching Frequency Motor Drive Using All Switching Patt...

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

作者： Hayashi, Haru Yokokura, Yuki Ohishi, Kiyoshi Kobayashi, Yuto Hiwatari, Tenjiro Satake, Akira Department of Electrical Electronics and Information Engineering Nagaoka University of Technology Nagaoka Japan Advanced Technology R&D Center Mitubishi Electric Corporation Amagasaki Japan

ISBN: (纸本)9781665464543

This paper focuses on voltage-integral-based reference tracking modulation (VIrTM) and direct torque control (dTC), proposing the control strategy that minimizes switching frequency while achieving excellent dynamic performance. In the proposed scheme, the optimal voltage integral trajectory calculated by exhaustively searching all switching patterns in an offline process is applied to the dTC. One of the advantages of the proposed scheme is its superior versatility and robustness, as it does not rely on motor parameters. Secondly, it significantly reduces the switching frequency at all operating points while preserving the dynamic characteristics of dTC. The effectiveness of the proposed scheme has been validated through experiments, demonstrating up to a 28% reduction in switching frequency compared to conventional standard dTC. © 2024 IEEE.

关键词： Switching frequency

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Unveiling the Origin of disturbance in FeFET and the Potential of Multifunctional TiO2 as a Breakthrough for disturb-free 3d NANd Cell: Experimental and Modeling

Unveiling the Origin of Disturbance in FeFET and the Potenti...

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2024 IEEE International Electron devices Meeting, IEdM 2024

作者： Kim, Giuk Kang, Hyunjun Lee, Sangho Choi, Hyojun Jung, Yangjin Shin, Mincheol Kim, Kwangsoo Lim, Suhwan Woo, Jongho Kim, Wanki Ha, daewon Ahn, Jinho Jeon, Sanghun School of Electrical Engineering KAIST Korea Republic of Semiconductor R&D Center Samsung Electronics Korea Republic of School of MSE Hanyang University Korea Republic of

ISBN: (纸本)9798350365429

We reveal the origin of disturbance issues in ferroelectric FETs (FeFETs) with a metal-gate interlayer (***)ferroelectric (FE)-channel interlayer (***)-Si (MIFIS) stack. To achieve both low-voltage operation and disturbance immunity, we introduce a multi-functional TiO2 layer, positioned between the *** and FE layer. TiO2 multi-functional layer (MFL) serves two pivotal roles: (1) It forms a potential well that captures gate-injected charges, enhancing the memory window (MW). (2) It amplifies the domain size of the underlying FE layer, enabling steep polarization (∆ P) switching behavior. Under the same operation voltage (Vop) which is below 15 V, MIFIS FeFET with TiO2 improves the MW by 35 % compared to the device without TiO2. Notably, the proposed device remains disturbance-free (∆Vth ~ 0 V) even after 104 cycles of 9 V disturbance stress, whereas the TiO2-free counterpart experiences severe disturbance (∆Vth ~ 3.5 V) under the same conditions. We attribute this difference to the partial ∆P properties of FE layers. Using a model framework which reflects the hysteresis sub-loop of FE, we clarify that partial ∆P acts as the primary driver of disturbances, as it precedes charge trapping and accelerates charge injection from the gate. This study highlights the potential of MIFIS FeFET for future NVM applications by decoupling the trade-off between low-voltage operation and disturbance issues. © 2024 IEEE.

关键词： Titanium dioxide

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The recent Trends in ransomware detection and Behaviour Analysis 17

The Recent Trends in Ransomware Detection and Behaviour Anal...

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17th International Conference on Security of Information and Networks, SIN 2024

作者： Caliskan, Busra Gulatas, Ibrahim Kilinc, H. Hakan Zaim, A.Halim Istanbul Technical University Computer Engineering İstanbul Turkey Turkish Naval Forces İstanbul Turkey R&d Center Orion Innovation Turkey İstanbul Turkey

ISBN: (纸本)9798331509736

ransomware attacks, with their evolving tactics and devastating impacts, have become one of the most critical threats in cybersecurity. This study provides a comprehensive analysis of recent advancements in ransomware detection and behavior analysis, focusing on trends from the last two years. Through an in-depth behavioral analysis of 14 ransomware families, the research highlights common infection vectors, encryption strategies, and malicious activities. Moreover, a comparative evaluation of publicly available and proprietary datasets reveals the challenges in training robust machine learning models. By analyzing 12 state-of-the-art detection methodologies, this research highlights the superiority of random Forest-based models and the critical role of dynamic analysis techniques like API calls in early-stage detection. This research reveals a pressing need for real-time detection systems and localized solutions to prevent mass data encryption. This research aims to bring light to the ransomware research community, by addressing gaps in current methodologies and proposing future directions against the growing ransomware menace effectively. © 2024 IEEE.

关键词： Behavioral Analysis Malware ransomware ransomware detection

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Ge(110) GAA Nanosheet / Si(100) Tri-gate Nanosheet Monolithic CFETs Featuring record-High Hole Mobility

Ge(110) GAA Nanosheet / Si(100) Tri-gate Nanosheet Monolithi...

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2024 IEEE Symposium on VLSI Technology and Circuits, VLSI Technology and Circuits 2024

作者： Kim, Seong Kwang Lim, Hyeong-rak Jeong, Jaeyong Park, Youngkeun Park, Jejune Park, Sungil Park, Jaehyun Ha, daewon Cho, Byung Jin Kim, Sanghyeon School of Electrical Engineering Kaist Daejeon Korea Republic of Semiconductor R&d Center Samsung Electronics Co. Ltd. Hwaseong Korea Republic of

ISBN: (纸本)9798350361469

In this study, we demonstrated heterogeneous 3d monolithic CFETs (mCFETs) by utilizing Ge (110)/ gate-all-around (GAA) nanosheet p-FETs as the top-tier transistors and Si (100)/ tri-gate n-FETs as the bottom-tier transistors. By minimizing the mobility difference between electrons and holes through this transport combination of heterogeneous channels, we demonstrated its potential for the next-generation logic. Notably, we achieved a record-high hole mobility of 1200 cm2/V.s (normalized by footprint to account CFET drivability) in the Ge (110)/ GAA nanosheet p-FETs with flat top and bottom surfaces. These channels were successfully employed in heterogeneous mCFETs to see the feasibility for high-performance logic devices. © 2024 IEEE.

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Integrating Sulfobetaine Methacrylate Hydrogel-Modified Cellulose Triacetate Filter into a Zwitterionized Tandem Membrane System for Exosome Isolation

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ACS Applied Polymer Materials 2024年第5期6卷 2741-2751页

作者： Lee, Chih-Ling Vu, Cao-An Vu, Van-Truc Cheng, Chao-Min Chang, Yung Chen, Wen-Yih Department of Chemical and Materials Engineering National Central University Taoyuan City320317 Taiwan Institute of Biomedical Engineering National Tsing Hua University Hsinchu300044 Taiwan R&D Center for Membrane Technology and Department of Chemical Engineering Chung Yuan Christian University Zhongli District Taoyuan City320314 Taiwan

Purifying exosomes from various biotissue samples is critical for downstream analysis for diagnosis and prognosis because these extracellular vesicles not only carry enriched genetic materials but also play multiple roles in several diseases. This study designed an easy-to-operate exosome isolation method by integrating a zwitterionic tandem membrane system in which one of the filters was modified with sulfobetaine methacrylate (SBMA) hydrogel to prevent clogging and isolating exosomes from other biomolecules without impinging their biological contents. The surfaces of SBMA-coated cellulose triacetate (CTA) membranes were analyzed by XPS, AFM, SEM, and coating density. Their performance was investigated in terms of hydration capacity, hydrophobicity, filtration ability, and resisting unwanted adhesion. Empirical results demonstrated that surface modification with SBMA endowed the zwitterionized CTA membrane with superior antifouling properties without altering its filtration performance and also successfully isolated exosomes from other biomaterials in a sequential filtration where it was integrated with another zwitterionic membrane. The zwitterionic membrane system developed in this study could sequester exosomes secreted from HCT116 cells with high yield and innate immune traits for downstream analysis using an easy-to-operate procedure without requiring expensive instruments and trained personnel, proposing a promising approach to isolate exosomes in biological samples for further analysis. © 2024 The Authors. Published by American Chemical Society

关键词： Membranes

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Stability Analysis of Semi-underground Caverns and Slopes for Jinshuitan Pumped Storage Power Station 8th

Stability Analysis of Semi-underground Caverns and Slopes fo...

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8th International Conference on Advances in Energy resources and Environment engineering, ICAESEE 2022

作者： Cheng, Yongjin Cao, Aiwu Chu, Weijiang Wang, Can Meng, Guotao Power China Huadong Engineering Co. Ltd. Hangzhou311122 China Hydro-China Itasca R&D Center Hangzhou311122 China

ISBN: (纸本)9783031425622

With the development of renewable energy, underground pump storage power stations (PSPS) have been largely constructed in recent years, while it is important to initially analyze the stability of underground buildings. In this paper, a case study regarding semi-underground caverns and slopes stability of Jinshuitan PSPS has been studied with FLAC3d. Firstly, the initial stress condition of the model is validated through a two-dimensional hydraulic fracturing stress test, which displayed the maximum principal stress as 3.2 ~ 10.8 MPa with the direction of N82°W. Secondly, slope stability analysis shows that the factor of safety for slopes is larger than 3. Then, the excavation response of un-supported caverns has been simulated, which indicates that the general deformation of caverns is 24 ~ 46 mm. The plastic area depth is 4 ~ 10 m and the maximum principal stress is 10 ~ 20 MPa. Finally, initial support design has been evaluated. The deformation has generally reduced by 0 ~ 3%. Also, the plastic volume of the surrounding rock decreased by 5% ~ 12%. The stress of the anchors on the side walls in the powerhouse within 150 MPa is more than 90%. Therefore, the stability of semi-underground caverns and slopes is generally good and the support design basically meets the requirements. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2024.

关键词： Slope stability

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