检索结果-内蒙古大学图书馆

19th IEEE International Multi-Conference on Systems, Signals and Devices, SSD 2022

作者： Dahbi, Abdeldjalil Benmedjahed, Miloud Khelfaoui, Abderrahman Aoun, Nouar Harrag, Abdelghani Bouraiou, Ahmed Benlahbib, Boualam Sara, Kadi Abdeldjalil, Slimani Necaibia, Ammar Chogueur, Djilali Mouhadjer, Samir Hamouda, Messaoud Tidjar, Boudjema Oudran, Abdellatif Kadri, Ahmed Yacine Belhadj, Zahra Adrar01000 Algeria Laboratory of Sustainable Development and Computing L.D.D.I University of Adrar Department of Electrical Engineering Adrar University Adrar1000 Algeria Renewable Energies Team Mechatronics Laboratory Optics and Precision Mechanics Institute Ferhat Abbas University Setif19000 Algeria Unité de Recherche Appliquée en Energies Renouvelables Uraer Centre de Développement des Energies Renouvelables Cder Ghardaia47133 Algeria Laboratory of Power Equipment Characterization and Diagnosis University of Science and Technology Houari Boumediene Algiers Algeria Department of Electrical Engineering University of Biskra Algeria

ISBN: (数字)9781665471084

ISBN: (纸本)9781665471084

This research work studies the control of a wind energy conversion system (WECS) based on Permanent Magnet Synchronous Generator (PMSG). In order to enhance the efficiency of the wind turbine system, the maximum power point tracking (MPPT) control is integrated for exploiting the maximum available power from the wind. Two types of controllers have been proposed and developed, PI and Fuzzy Logic Control (FLC). Simulations results using Matlab Simulink show the performances of each one with a comparison of results. © 2022 IEEE.

关键词： Controllers

来源：评论

学校读者我要写书评

暂无评论

Transformer Based Tissue Classification in Robotic Needle Biopsy

arXiv

引用

arXiv 2024年

作者： Wang, Fanxin Cheng, Yikun Mukherjee, Sudipta S. Bhargava, Rohit Kesavadas, Thenkurussi Department of Mechatronics and Robotics Xi'an Jiaotong-Liverpool University 215123 China Department of Mechanical Science and Engineering University of Illinois Urbana-Champaign ChampaignIL61801 United States Beckman Institute for Advanced Science and Technology Departments of Bioengineering Electrical & Computer Engineering Mechanical Science & Engineering Chemical and Biomolecular Engineering University of Illinois Urbana-Champaign ChampaignIL61801 United States Beckman Institute for Advanced Science and Technology University of Illinois Urbana-Champaign ChampaignIL61801 United States Division of Research and Economic Development University at Albany State University of New York AlbanyNY12222 United States

Image-guided minimally invasive robotic surgery is commonly employed for tasks such as needle biopsies or localized therapies. However, the nonlinear deformation of various tissue types presents difficulties for surgeons in achieving precise needle tip placement, particularly when relying on low-fidelity biopsy imaging systems. In this paper, we introduce a method to classify needle biopsy interventions and identify tissue types based on a comprehensive needle-tissue contact model that incorporates both position and force parameters. We trained a transformer model using a comprehensive dataset collected from a formerly developed robotics platform, which consists of synthetic and porcine tissue from various locations (liver, kidney, heart, belly, hock) marked with interaction phases (pre-puncture, puncture, post-puncture, neutral). This model achieves a significant classification accuracy of 0.93. Our demonstrated method can assist surgeons in identifying transitions to different tissues, aiding surgeons with tissue awareness. © 2024, CC BY.

关键词： Biopsy

来源：评论

学校读者我要写书评

暂无评论

Load Characteristics of Conical Cutterhead for Full Section Shaft Boring Machine Based on ADAMS

引用

Science technology and Engineering 2024年第17期24卷 7122-7130页

作者： Wang, Shuai Guo, Geng-Xin Li, Ge-Qiang Dong, Zhen-Le Li, Dong-Lin Han, Wei-Feng Jiao, Lei Song, Bin School of Mechatronics Engineering Henan University of Science and Technology Luoyang471003 China Henan Collaborative Innovation Center for Advanced Manufacturing of Mechanical Equipment Luoyang471003 China State Key Laboratory of Shield Machine and Boring Technology Zhengzhou450001 China China Railway 15th Bureau Group Corporation Limited Shanghai200000 China Yingkou Environmental Engineering Development Co. Ltd. Yingkou115000 China

The conical cutterhead of the full-section shaft boring machine possesses the advantages of good guidance and convenient attitude adjustment in the construction of the shaft. As for the dis cutters are the most direct rock-breaking tool in the shaft boring machine construction, it’s full of meaning for rational design of the cutterhead tooling system and adjustment of equipment posture during excavation process to obtain the load distribution rules. The coupling model between the conical cutterhead and rock mass of the full section shaft boring machine was established based on ADAMS and the normal excavation of the machine was modeled by reasonably exerting the constraint condition. The load distribution laws of the conical cutterhead and cutters for the full section shaft boring machine were acquired. The results show that on account of different installation methods, the lateral force and rolling force of the positive rolling cutter are bigger than those of the central rolling cutter, which put forward higher requirements for the connection strength between the positive rolling cutter holder and the spoke. As the installation radius of the cutters on the cutterhead increases, the vertical force on it also increases. Compared with the positive rolling cutter, the resultant load of the central rolling cutters possesses better load stability with less fluctuation. As the installation radius of the cutter on the cutterhead increases, the stability of the resultant load on the cutter become worse with greater fluctuations. © 2024 Beijing Kexue Jishu yu Gongcheng Zazhishe. All rights reserved.

关键词： Boring machines (machine tools)

来源：评论

学校读者我要写书评

暂无评论

An Industrial Internet Platform for Massive Pig Farming (IIP4MPF)

引用

Journal of Computer and Communications 2020年第12期8卷 181-196页

作者： Mu Gu Baocun Hou Jiehan Zhou Kai Cao Xiaoshuang Chen Congcong Duan Beijing Aerospace Smart Manufacturing Technology Development Co. Ltd. Beijing China School of Mechatronics Engineering Harbin Institute of Technology Harbin China Faculty of Information Technology and Electrical Engineering University of Oulu Oulu Finland

Pig farming is becoming a key industry of China’s rural economy in recent years. The current pig farming is still relatively manual, lack of latest Information and Communication technology (ICT) and scientific management methods. This paper proposes an industrial internet platform for massive pig farming, namely, IIP4MPF, which aims to leverage intelligent pig breeding, production rate and labor productivity with the use of artificial intelligence, the Internet of Things, and big data intelligence. We conducted requirement analysis for IIP4MPF using software engineering methods, designed the IIP4MPF system for an integrated solution to digital, interconnected, intelligent pig farming. The practice demonstrates that the IIP4MPF platform significantly improves pig farming industry in pig breeding and productivity.

关键词： Massive Pig Farming Industrial Internet Platform

来源：评论

学校读者我要写书评

暂无评论

VLC: A Robust and Highly Secured Data Communication Service Establishment Using Visual Light enabled LiFi technology

VLC: A Robust and Highly Secured Data Communication Service ...

引用

Emerging Trends in Engineering and Medical Sciences (ICETEMS), International Conference on

作者： G. Ramkumar J. Megala S. Ramesh S. Satheeshkumar Jayant Giri Hani Attar Department of ECE Saveetha School of Engineering Saveetha Institute of Medical and Technical Sciences (SIMA TS) Saveetha University Chennai Tamil Nadu India Department of EEE S.A. Engineering College Chennai Department of Mechatronics Engineering Rajalakshmi Engineering College Chennai Department of ECE Excel Engineering College Komarapalayam Department of Mechanical Engineering Yeshwantrao Chavan College of Engineering Nagpur India Division of Research and Development Lovely Professional University Phagwara India Department of Energy Engineer Zarqa University zarqa Jordan University of Business and Technology Jeddah Saudi Arabia

ISBN: (数字)9798331529352

ISBN: (纸本)9798331529390

With the increasing demand for secure, high-speed wireless communication, Light Fidelity (LiFi) technology has emerged as a promising solution. In this paper, we propose a robust and highly secured data communication system based on Visual Light Communication (VLC) enabled by Light Fidelity (LiFi) technology. The proposed system leverages Orthogonal Frequency Division Multiplexing (OFDM) modulation, Advanced Encryption Standard (AES-256) encryption, and Low-Density Parity-Check (LDPC) error correction to enhance data transmission speed, security, and reliability. Our experimental results demonstrate that the proposed model achieves an accuracy of 97.81 %, significantly outperforming nine existing models. The system shows substantial improvements in throughput, bit error rate (BER), and latency, achieving a throughput of 148.7 Mbps, a BER of 0.018%, and a latency of 18.7 ms. The proposed model offers enhanced energy efficiency and packet loss minimization, making it suitable for high-speed and secure communication in modern environments. Our approach ensures data integrity and protection against man-in-the-middle (MITM) attacks through a machine learning-based anomaly detection system. The proposed methodology is evaluated under various conditions, and the results demonstrate that it outperforms existing LiFi models in accuracy, security, and performance

关键词： Wireless communication Visualization Accuracy Bit error rate Light fidelity Throughput Parity check codes Energy efficiency Encryption Data communication

来源：评论

学校读者我要写书评

暂无评论

Improving oil lubrication effectiveness of Ti-Ti tribopair by thermal oxidation

引用

Surface and Coatings technology 2025年 512卷

作者： Sun, Yong Bailey, Richard Zhang, Jin Lian, Y. Ji, Xiulin School of Engineering and Sustainable Development Faculty of Computing Engineering and Media De Montfort University LeicesterLE1 9BH United Kingdom Institute of Advanced Materials Technology University of Science and Technology Beijing Beijing100083 China Department of Mechatronics Engineering Shantou University Shantou525063 China

Titanium and its alloys are notorious for their poor tribological properties under sliding contact motions. They are also well known to be difficult to lubricate. Conventional lubricants such as engine oils fail to lubricate titanium effectively. Coating and thin film technologies have been shown to be effective in enhancing the tribological properties of titanium, particularly under dry sliding conditions. However, there have been limited studies on the effect of tribological coatings in improving the lubrication behavior of titanium tribopairs. In this study, thermal oxidation (TO) was used to produce an oxide layer and an oxygen diffusion zone on commercially pure titanium (CP-Ti), and the oil lubrication behavior of several treated and untreated Ti-on-Ti tribopairs were studied and compared under boundary lubricated reciprocating ball-on-disc sliding conditions. These include untreated Ti-on-untreated Ti (Ti-Ti) pair, treated Ti-on-treated Ti (TO-TO) pair, and untreated Ti-on-treated Ti (Ti-TO and TO-Ti) pairs. The results show that the engine oil indeed failed to lubricate the Ti-Ti tribopair, which experienced high and unstable friction with large amounts of wear from the contacting bodies. Thermally oxidizing both contacting bodies was very effective in improving the lubricity of the TO-TO tribopair, resulting in low and smooth friction and much reduced wear rates by 3 orders of magnitude. The oil lubrication characteristics of the TO-TO tribopair was similar to that of steel-steel tribopair. Thus, after thermal oxidation treatment, titanium can be lubricated effectively by the conventional oil lubricant. The friction and wear mechanisms and the beneficial effects of thermal oxidation in maintaining the boundary film under oil lubrication are discussed in the paper. © 2025 Elsevier B.V.

关键词： Thermooxidation

来源：评论

学校读者我要写书评

暂无评论

Self-Tuning Clamping Force Control with Optimal Trajectory Tracking for Autonomous Pipe Inspection Robots

引用

Journal of Pipeline Science and Engineering 2025年

作者： Guoxin Sun Longfei Xia Xinpeng Du Qihui Yu Jianlong Zhang Ripeng Qin School of Mechanical Engineering Inner Mongolia University of Science and Technology Baotou Inner Mongolia Autonomous Region 014010 China Inner Mongolia Engineering Technology Research Center of Mechatronics System Intelligent Diagnosis & Control Engineering 014010 China Inner Mongolia Ming yang North Smart Energy Research and Development Center Co LTD

To address the inability of existing external pipe-climbing robots to adaptively regulate clamping force during operation, a novel robot was developed. To enable automatic clamping in response to varying pipeline conditions, an adaptive clamping force control method based on optimal velocity trajectory tracking is proposed. This approach achieves adaptive clamping force regulation through indirect speed control. First, the target clamping force is calculated according to pipeline conditions and is then translated into a target rotational speed via optimal velocity trajectory planning. The motor then accurately tracks this speed signal, thereby ensuring precise control of the clamping force. Experimental results of the robot prototype demonstrate that the proposed algorithm maintains a clamping force control error of less than 5.0% across pipelines with different diameters, inclinations, and surface roughness—outperforming traditional PID control and ensuring stable operation under varying conditions of angle, diameter, and friction.

关键词： External pipe-crawling robot Adaptive clamping Optimal speed curve Tracking control

来源：评论

学校读者我要写书评

暂无评论

62-3:Distinguished Paper:High Precise Laser Glass Cutting for Future Display

引用

SID Symposium Digest of Technical Papers 2022年第1期53卷

作者： Woohyun Jung Hyungsik Kim Alexander Voronov Sunggyu Park Jekil Ryu SeongHo Jeong Cheol Lae Roh Mechatronics Technology Research Center Samsung Display Equipment Core Technology Development Team 1 Samsung-ro Giheung-gu Youngin-si Gyeonggi-do 17713 South Korea

As one of the various attempts to reduce the size of display bezel, high-precision glass cutting process is required to be developed for future displays. In this study, the Bessel-beam Laser Cutting (BLC) process has been studied, which is capable of minimizing the thermal deformation of the black matrix (BM) material on glass. In an experimental setup composed of IR ps laser with bessel-beam optics, the smallest thermal degradation of BM and the highest cutting precision are achieved as 40μm and 10μm, respectively. When reducing thermal effects caused by high-order beams without sacrificing glass breaking strength, effective heat affected zone (HAZ) could be reduced nearby 30um width from the cutting line. This high precision cutting technology will contribute to realize extremely narrow bezel display near future.

关键词： Ultrafast optics Diffractive optics Laser materials processing Laser cutting Micro machining Transparent materials Glass and other amorphous materials

来源：评论

学校读者我要写书评

暂无评论

A Smartphone-Based Tunable Tyrosinase Functional Mimic Modulated Amperometric Sensor for the Rapid and Real-Time Monitoring of Catechol

SSRN

引用

SSRN 2024年

作者： Jayaraman, Sivaguru Rajarathinam, Thenmozhi Lee, Jaewon Nagarajan, Deepan Chakravarthi Paik, Hyun-Jong Kandasamy, Prabakar Chang, Seung-Cheol Department of Cogno-Mechatronics Engineering College of Nanoscience and Nanotechnology Pusan National University Busan46241 Korea Republic of Engineering Research Center for Color-Modulated Extra-Sensory Perception Technology Pusan National University Busan46241 Korea Republic of BIT Convergence-based Innovative Drug Development Targeting Meta-inflammation Pusan National University Busan46241 Korea Republic of Department of Pharmacy College of Pharmacy Pusan National University Busan46241 Korea Republic of Department of Electrical Engineering Pusan National University Busan46241 Korea Republic of Department of Polymer Science & Engineering Pusan National University Pusan46241 Korea Republic of

A smartphone-based electrochemical sensor for rapid detection of Catechol (CC) was designed. The system contained a smartphone, a hand-held detector, and enzyme mimicking material modified screen-printed carbon electrode (SPCE). Metal nanoparticles confined in porous carbon have been widely used as enzyme mimics owing to their enhanced electrochemical activity. However, the fabrication of enzyme-mimicking catalysts in a scalable and tunable manner is challenging. A two-step synthesis strategy was followed: carbonization of the silica template to form cubic-structured mesoporous carbon (CMC) and high-temperature calcination for copper confinement into CMC (Cu–CMC). Non-covalent interactions enable the Cu precursors to coordinate with the hydrophobic CMC. The stage 2 material, Cu–CMCS2 possess a large pore volume of 0.224 cm3 g−1, high surface area of 104.2 m2 g−1, and abundant aromatic carbon functionalities within its face-centered cubic mesostructured, that could enhance their electrochemical properties mimicking the native tyrosinase enzyme. The Cu–CMCS2 modulated amperometric sensors enable the rapid and real-time detection of CC. Under optimized conditions, the linear range of 1.0–1000 µM (0.0 V vs. integrated Ag/AgCl reference electrode) with the lower detection limit of 0.099 μM (S/N = 3) was achieved. The excellent sensor performance was attributed to the increased number of Cu vacancies, that is the mixed vacancies of Cu+ and Cu2+. The sensor connected to a portable potentiostat thus enable high-throughput real-time testing of the CC without sophisticated equipment. Furthermore, the sensor detected CC in green tea and water samples, and the results were validated using UV-visible spectrophotometry. © 2024, The Authors. All rights reserved.

关键词： Electrochemical sensors

来源：评论

学校读者我要写书评

暂无评论

Remote sensing applied to the study of the triatomines dispersion dynamics, case study: Indigenous communities of Paraguayan Chaco 71

Remote sensing applied to the study of the triatomines dispe...

引用

71st International Astronautical Congress, IAC 2020

作者： Cespedes, Adolfo Javier Jara Cho, Mengu Bautista, Izrael Zenar Casople de Arias, Antonieta Rojas Veron, Federico Augusto Gaona General Research Building Kyushu Institute of Technology 1-1 Sensui-Cho Tobata Ward Kitakyushu City Japan Center for the Development of Scientific Research 635 Manduvira Street Asunción Paraguay Research Group in Electronics and Mechatronics Polytechnic Faculty The National University of Asunción Campus Universitario San Lorenzo Paraguay

The species distribution models allow finding suitable areas for the development of the disease vectors with a low sampling effort either in time or in costs. The objective of this work is to determine the spatial distribution of triatomines based on the use of entomological and environmental variables using remote sensing tools. To determine the distribution, two main variables have been considered: the environmental variables and the entomological variable (presence of Chagas disease vector in the indigenous communities). For environmental variables were used: mean NDVI, mean temperature, maximum temperature and mean rainfall, all these derived from satellite images. For the entomological variable a total of 110 points of presence of the vector have been taken through manual collect of insects and the use of a real time remote monitoring system for triatomine using traps with sensors wireless networking, this detection information is transmitted to the research centers through internet, which means that its use is limited to areas with cellular coverage. This work also presents a Store-and-forward mission as part of the BIRDS-4 satellite Project of Kyushu Institute of technology to collect data from remote areas and expand the study area. As a result, a distribution model based on environmental variables has been obtained that predicts the suitable places for the studied triatomines to be present, being able to serve for the ecological and epidemiological surveillance of the indigenous communities at risk, generating early warning systems and serving as a support to the authorities for decision making. Likewise, the environmental variables suitable for the species have been compiled, considering the known points of presence, being able to cite a value of mean temperature around 20 C, a maximum temperature of 32 C, mean precipitation around 10 ml and NDVI values very close to zero, which corresponds to bare terrain or with little vegetation. Copyright © 2020 by the

关键词： Remote sensing

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：