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4th International Conference on Neural Networks, Information and Communication Engineering, NNICE 2024

作者： Gu, Yunlong Ma, Weizhen Wang, Huijie Wang, Shuai Beijing DianKeZhiXin Technology Co. Ltd Product R&d Department Beijing China

ISBN: (纸本)9798350394375

The test and inspection business in the metrology field and laboratory in the electric power field faces the problems of low degree of automation of experimental data flow, high degree of heterogeneity of sensor transmission signals, low degree of resource management sharing and low degree of intelligence. In the paper, orthogonal projection, perspective projection and other projection transformations are used to rotate the image, and deep learning is used to achieve the correction of distorted document images to complete the image preprocessing of multimode data metrology testing. The experimental results show that the image preprocessing technology proposed in the article can effectively restore the metrology detection image. © 2024 IEEE.

关键词： deep learning

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A study of aerial image NILS and exposure energy as improvement factors for LEr 8

A study of aerial image NILS and exposure energy as improvem...

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8th International Workshop on Advanced Patterning Solutions, IWAPS 2024

作者： Liang, di Yang, Hao Sha, Yufei Zhou, Yuxing Xi, Jiahao Tian, Enqiang Wang, Cuixiang Song, Ganlin Zhao, Xiaohong Shi, Jiangliu Jiang, Miao Litho R&D Department Beijing Superstring Academy of Memory Technology Beijing100176 China

ISBN: (数字)9781510686335

ISBN: (纸本)9781510686328

Line edge roughness (LEr) played more critical- role with the semiconductor manufacturing keep shrinking down to new technology nodes. From our previous study, the larger exposure area gives positive impact to LEr performance, as more photons can be captured by photoresist, reducing the randomness of photoacid distribution and make line edge smoother. In this paper, we further investigate the litho process impact factors for LEr, including Normalized Image Log -Slope (NILS) and exposure energy. Simulation model was setup on top of experiment data, and further expand to different critical dimension (Cd) and pitch conditions. © 2024 SPIE.

关键词： Photoresists

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Implementation of C Program Invocation in PLC Based on Vxworks Operating System 11

Implementation of C Program Invocation in PLC Based on Vxwor...

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11th International Forum on Electrical Engineering and Automation, IFEEA 2024

作者： Gao, Yang Li, daiquan CGN Digital Technology Co. Ltd. R&D Department Shanghai China

ISBN: (纸本)9798331516611

As industrial controller technology continues to evolve, the capabilities of PLCs (Programmable Logic Controllers) are experiencing steady enhancements. Nonetheless, in the realm of intricate engineering applications, there is a growing necessity for the integration of sophisticated algorithms, performance enhancements, code re-usability, and the utilization of preexisting libraries. This underscores the imperative to execute C language programs within PLCs. PLCs operating on the VxWorks operating system can leverage COdESYS as a programming interface to facilitate the execution of IEC61131-3 compliant languages. However, it is important to note that the standard edition of COdESYS lacks the functionality to edit and compile C language programs. To tackle this limitation, this paper delineates a methodology for invoking and executing C language programs on PLC controllers and provides a detailed account of the procedure involved in implementing this methodology. © 2024 IEEE.

关键词： C (programming language)

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Maintaining Average Torque and Suppressing Torque ripple with T-shaped Auxiliary Pole for Spoke Type Multi-consequent-Pole Motor

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IEEE Transactions on Energy Conversion 2024年第2期40卷 1400-1410页

作者： Hidaka, Yuki Takahashi, Sho Kondo, Shota Iezawa, Masahiro Nagaoka University of Technology Electronics and Information Engineering Department of Electrical Nagaoka940-2188 Japan Advanced Technology R&D Center of Mitsubishi Electric Corporation Amagasaki661-8661 Japan

A novel stator structure for spoke-type multi-consequent-pole motors was proposed in this paper. While spoke-type multi-consequent pole motors were effective to improve torque density, it was necessary to allow for torque ripple increasing due to the non-uniform magnetic flux density in the air gap. Although torque ripple could be reduced using the I-shaped auxiliary pole reported in the previous study, worsen in average torque was needed to be tolerated. In the proposed motor, T-shaped auxiliary poles were placed on the stator to maintain torque and reduce torque ripple. The point of the proposed motor lies in the magnetic circuit in which the stator coil was divided into upper and lower coils, and the leakage flux, which was generated in the previous auxiliary pole, could be picked by the lower coil. To validate its effectiveness, numerical verification was conducted using the verification model and obtained results were compared with the conventional motors. Moreover, experimental verification was conducted using prototype motors. From the results, it was confirmed that torque ripple could be reduced without decreasing average torque by using the proposed stator structure. © 2024 IEEE.

关键词： Magnetic circuits

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Modeling and simulation of a reconfigurable multifunctional optical sensor

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Optoelectronics Letters 2025年第4期21卷 205-211页

作者： Shaher dWIK Gurusamy SASIKALA Department of Electronics&Communication Engineering School of Electrical&CommunicationVel Tech Rangarajan Dr:Sagunthala R&D Institute of Science and TechnologyChennai 600062India

Position sensitive device(PSd)sensor is a vital optical element that is mainly used in tracking systems for visible light communication(VLC).recently,a new reconfigurable PSd architecture *** proposed architecture makes the PSd perform more functions by modifying its *** the PSd is mainly formed of an array of *** primary concept involves employing transistors to alternate between the operating modes of the photodiodes(photoconductive and photovoltaic).Additionally,alternating among output pins can be done based on the required *** paper presents the mathematical modeling and simulation of a reconfigurable-multifunctional optical sensor which can perform energy harvesting and data acquisition,as well as positioning,which is not available in the traditional *** using the MATLAB software tool was achieved to demonstrate the *** simulation results confirmed the validity of the mathematical modeling and proved that the modified sensor architecture,as depicted by the equations,accurately describes its *** proposed sensor is expected to extend the battery's lifecycle,reduce its physical size,and increase the integration and functionality of the *** presented sensor might be used in free space optical(FSO)communication like cube satellites or even in underwater wireless optical communication(UWOC).

关键词： reconfigurable optical sensor alternate operating modes tracking systems multifunctional optical element position sensitive device psd sensor PSd

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QBOX - Policing Smartphone App Experience with dynamic QoS Enhancement

QBOX - Policing Smartphone App Experience with Dynamic QoS E...

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2023 IEEE Globecom Workshops, GC Wkshps 2023

作者： Kanagarathinam, Madhan raj Sivalingam, Krishna M. Kovvuri, Jayendra reddy Lee, Sunghee Samsung Electronics Mobile R&d Department Korea Republic of Indian Institute of Technology Madras Department of Computer Science and Engineering Chennai India Samsung R&d Institute Bangalore Mobile R&d Department India

ISBN: (纸本)9798350370218

The performance of smartphone applications heavily relies on the quality of service (QoS) they receive, especially for real-time gaming and video calling. However, many applications lack proper QoS configurations, leading to suboptimal user experiences. To address this issue, we propose QBOX (Quality Box), an innovative approach that leverages the power of Extended Berkeley Packet Filters (eBPF) for enhancing QoS in smartphone *** dynamically detects real-time traffic and identifies applications requiring priority handling. It then modifies the Type of Service (ToS) values for IPv4 and Traffic Class (TC) values for IPv6 packets to prioritize real-time applications during data transmission. Furthermore, QBOX upgrades the Wi-Fi priority access category to Video (VI), ensuring efficient and reliable data delivery. To evaluate QBOX, we extensively tested various popular gaming and video calling applications on Android smartphones. The results demonstrate a remarkable 100% detection accuracy for real-time applications. Additionally, QBOX's QoS enhancements substantially improve application latency by up to 24%, resulting in smoother and more responsive experiences. The solution is tech-transferred and is part of all Samsung devices with Android 13 OS. © 2023 IEEE.

关键词： Priority QoS Smartphone Wi-Fi

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The Band Selection decision for 6GHz Using rSSI and Channel Utilization

The Band Selection Decision for 6GHz Using RSSI and Channel ...

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2023 IEEE Globecom Workshops, GC Wkshps 2023

作者： Choi, Seongsu Kanagarathinam, Madhan raj Kovvuri, Jayendra reddy Sivalingam, Krishna M. Samsung Electronics Mobile R&d Department Korea Republic of Indian Institute of Technology Madras Department of Computer Science and Engineering Chennai India Samsung R&d Institute Mobile R&d Department Bangalore India

ISBN: (纸本)9798350370218

The bandwidth and reliability requirement has become stringent with the rapid development of connected devices. In the industry network, with multiple Wi-Fi access points available, selecting the appropriate band for better channel utilization is very important. The emergence of Wi-Fi 6E, an extension of Wi-Fi6, allows more wireless devices to be connected by adding the 6GHz band and enables a more stable and faster network. However, the problem of optimal band selection remains, and new considerations, such as power restriction, must adhere. In this paper, we verify the parameters correlating the network selection and propose a novel 6 GHz band selection method by the User Equipment (UE). In the case of channel utilization (CU), the value variation range is extensive;hence, it is difficult to apply the CU value during the connection time continuously. Therefore, our proposed algorithm considers an optimal section of the 6GHz band unaffected by the CU. Our experiments prove that predicting the relative quality of other bands corresponding to the received Signal Strength Indicator (rSSI) of each 6 GHz band is possible. A better selection can improve the end-to-end throughput and latency of the UE. © 2023 IEEE.

关键词： 6GHz Handover Throughput Wi-Fi

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dynamic compression characteristics of fiber-reinforced shoe press belts

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Tappi Journal 2025年第APR期2025卷 203-212页

作者： Wegele, Patrick Söderberg, L. daniel KTH Royal Institute of Technology Stockholm Sweden R&D engineer for J.M. Voith SE & Co. KG Heidenheim Germany Department of Fibre and Polymer Technology KTH Royal Institute of Technology Stockholm Sweden

Shoe press belts contribute significantly to the overall dewatering performance in the press section of a paper machine. Within the shoe press nip, the press belt faces a dynamic and multidimensional load that mainly leads to a compression of the structure. As this will cause a loss in void volume, knowledge of the dynamic compression characteristics of shoe press belts is crucial for optimized dewatering. A novel method was developed to examine the dynamic compression characteristics of grooved polyurethane press belts. Therefore, an experimental setup allowing realistic boundary conditions to test specimens was placed in a servo-hydraulic testing machine. Press belt specimens with different matrix material formulations and groove patterns were tested under varying load rates equivalent to different paper machine operational speeds. The results showed an evident sensitivity of the dynamic compression stiffness to the operational speed of the paper machine. This behavior was seen to be more sensitive to changes in the matrix material formulation than to adaptions of the groove pattern. As a result, the compression of the press belt within a shoe press nip is not only influenced by the peak pressure within the shoe press nip but also depends on the operational speed of the paper machine. Application: This study helps readers understand the impact of paper machine speed on the compression of shoe press belts, allowing them to choose a shoe press belt that provides optimized dewatering performance under specific operational conditions. © TAPPI Press 2025.

关键词： Paper products

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Evaluation of VSK separation in the classification of two mineralogically different iron ore fines

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International Journal of Minerals,Metallurgy and Materials 2023年第2期30卷 260-270页

作者： deepak Nayak Tonmoy Kundu Nilima dash Shiva Kumar I.Angadi S.K.Chaurasiya G.E.Sreedhar T.V.S.Subrahmanyam Swagat S.rath Mineral Processing Department CSIR-Institute of Minerals and Materials TechnologyBhubaneswar 751013India R&D Centre National Mineral Development Corporation LimitedHyderabad 500028India

With gradually diminishing Fe grade in tandem with the ever-increasing demand for high-grade iron ores,iron ore industries are now focusing on the beneficiation of low-grade iron ore fines,mainly considered ***,the scarcity of water at many of the mines’sites and the new water conservation policies of the governments have necessitated research on suitable dry beneficiation *** this context,an effort has been made to evaluate the efficacy of a dry classification unit,such as the VSK separator,in upgrading the iron values of two low-grade Indian iron ore fines,named Sample 1 and Sample *** mineralogical studies,involving scanning electron microscopy and X-ray diffraction,suggest that Sample 1 is a low-grade blue dust sample(51.2wt%Fe)containing hematite and quartz as the major minerals,while Sample 2(53.3wt%Fe)shows the presence of goethite in addition to hematite and *** experiments,carried out using Box-Benkhen statistical design,indicate that blower speed,followed by feed rate,is the most influencing operating parameter in obtaining a good product in the VSK *** optimum levels of the operating factors,a fines product with~55wt%Fe at a yield of~40%can be obtained from Sample 1,while Sample 2 can be upgraded to~56wt%Fe at a yield of~85%.The results suggest that the VSK separator can be employed as an efficient intermediate unit operation in a processing circuit to upgrade the iron contents of iron ore fines.

关键词： iron ore fines dry beneficiation VSK separator Box–Behnken design

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A Calculation Method of double Strength reduction for Layered Slope Based on the reduction of Water Content Intensity

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Computer Modeling in Engineering & Sciences 2024年第1期138卷 221-243页

作者： Feng Shen Yang Zhao Bingyi Li Kai Wu School of Civil Engineering Suzhou University of Science and TechnologySuzhou215011China R&D Department Suzhou Jcon Greenbuild Fabricated Co.Ltd.Suzhou215004China

The calculation of the factor of safety(FOS)is an important means of slope *** paper proposed an improved double strength reductionmethod(drM)to analyze the safety of layered *** physical properties of different soil layers of the slopes are different,so the single coefficient strength reduction method(SrM)is not enough to reflect the actual critical state of the *** that the water content of the soil in the natural state is the main factor for the strength of the soil,the attenuation law of shear strength of clayey soil changing with water content is *** paper also establishes the functional relationship between different reduction ***,a USdFLd subroutine is programmed using the secondary development function of finite element *** the relationship between field variables and calculation time realizes double strength reduction applicable to the layered ***,by comparing the calculation results of different examples,it is proved that the stress and displacement distribution of the critical slope state obtained by the improved method is more realistic,and the calculated safety factor is more *** newly proposedmethod considers the difference of intensity attenuation between different soil layers under natural conditions and avoids the disadvantage of the strength reduction method with uniform parameters,which provides a new idea and method for stability analysis of layered and complex slopes.

关键词： double strength reduction slopes stability water content factor of safety numerical methods

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