Advances in Engineering Technology Research最新文献_第6页

Contrastive Learning Dimensionality Reduction Method Based on Manifold Learning 基于 Manifold Learning 的对比学习降维方法

Advances in Engineering Technology Research Pub Date : 2024-01-25 DOI: 10.56028/aetr.9.1.522.2024

Jinghao Situ

{"title":"Contrastive Learning Dimensionality Reduction Method Based on Manifold Learning","authors":"Jinghao Situ","doi":"10.56028/aetr.9.1.522.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.522.2024","url":null,"abstract":" With the development of the times, more and more high-dimensional datasets come into people's view. In order to reduce the time complexity and space complexity of downstream tasks, data dimensionality reduction becomes the primary choice. Classical dimensionality reduction algorithms are mainly divided into linear dimensionality reduction algorithms and nonlinear dimensionality reduction algorithms. Some of the traditional dimensionality reduction methods have the problems of not considering the nonlinear structure of the original dataset and the existence of weak generalisation, which makes the dimensionality reduction effect not good or model need to be recalculated because of the addition of new samples. In order to solve these problems, the research in this paper is a comparative learning dimensionality reduction method based on manifold learning. The idea of manifold learning using geodesic distance can fully consider the nonlinear structure of the original dataset. In this paper, comparative learning is the main framework. When the neural network completes the training, it only need to take the new data as input to calculate, the result can be obtained, no need to reconstruct the model which means the generality is high. Starting from the related work, this paper briefly introduces manifold learning, comparative learning and neural network algorithms. Subsequently, an innovative model is proposed, including three modules, Isomap to extract nonlinear structure, expanding neighbourhood to make pseudo-labels, and comparative learning training. Detailed analyses are carried out through experiments, comparing with PCA and LLE algorithms with the geodetic distance retention rate as an indicator, which proves that the data dimensionality reduction method of this model is more effective and ubiquitous.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"24 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140496097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Kind of (n,t)Threshold Quantum State Sharing Scheme Based on Chinese Reminder Theorem 一种基于中国提醒定理的（n,t）阈值量子态共享方案

Advances in Engineering Technology Research Pub Date : 2024-01-25 DOI: 10.56028/aetr.9.1.622.2024

Yanchang Li

{"title":"A Kind of (n,t)Threshold Quantum State Sharing Scheme Based on Chinese Reminder Theorem","authors":"Yanchang Li","doi":"10.56028/aetr.9.1.622.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.622.2024","url":null,"abstract":"Secret sharing is a key technology of data confidentiality, where one can distribute a secret among agents, and only the authorized agents can recover the original secret. Quantum information technology, including quantum communication, quantum computing can break through the bottlenecks of classical technology in information security and computing speed, based on quantum mechanics, such as quantum superposition, quantum uncertainty, quantum no-cloning and quantum entanglement. By combining quantum technology with classic secret sharing, the concept of quantum state sharing was presented. In this manuscript, a novel kind of (n,t) threshold quantum state sharing scheme is proposed, where the selected t agents among n agents can cooperate to reconstruct the target secret state. For implementing this scheme, the Chinese reminder theorem is introduced during the processing of the secret key distribution. In addition, to show the proposed scheme clearly, a concrete (5,3) example is given. Furthermore, the proof of the correctness of the scheme is shown. Our scheme will improve the development the quantum secret sharing and open up exploring the application of quantum information technology","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"277 1-2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140495314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A review of recent advances in fault diagnosis based on deep neural networks 基于深度神经网络的故障诊断最新进展综述

Advances in Engineering Technology Research Pub Date : 2024-01-25 DOI: 10.56028/aetr.9.1.637.2024

Rongyu Li

{"title":"A review of recent advances in fault diagnosis based on deep neural networks","authors":"Rongyu Li","doi":"10.56028/aetr.9.1.637.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.637.2024","url":null,"abstract":"Bearings are essential components in mechanical systems, supporting the rotation of various machine parts in motors, wind turbines, vehicles, and industrial robots, making their health critical for system performance and reliability. Traditional diagnosis methods, such as vibration and acoustic analysis, along with temperature monitoring, often demand expertise and may struggle to detect early faults. However, the introduction of deep learning technology has created new opportunities for more effective bearing fault diagnosis. The application of deep learning-based bearing fault diagnosis in the industrial sector has gained significant attention and multiple types of deep learning networks have already been successfully implemented. This paper aims to provide a clear review of bearing fault diagnosis based on deep learning algorithms. This essay focuses on two of the most popular deep learning networks, Autoencoder and Convolutional Neural Networks. Their mechanism and applications are analyzed based on essays and research paper related to the field of bearing fault diagnosis. Finally, conclusions are presented to summarize the current development and point out faced challenges and future trends of these deep learning networks. It is also expected that this narrative not only serves as a cogent overview of the contemporary fault diagnosis technologies but also provides convenience and inspiration for further study in this field.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140495431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Application analysis and development forecast of 5G in media field 5G 在媒体领域的应用分析和发展预测

Advances in Engineering Technology Research Pub Date : 2024-01-25 DOI: 10.56028/aetr.9.1.660.2024

Sitan Shen

引用次数: 0

A survey on common biostatistics tools in neuroscience: Machine learning and Bayesian modeling 神经科学常用生物统计工具调查：机器学习和贝叶斯建模

Advances in Engineering Technology Research Pub Date : 2024-01-25 DOI: 10.56028/aetr.9.1.650.2024

Ziyi Xue

引用次数: 0

Study On Marine Boundary Layer Aerosol Structure based on Satellite Observations 基于卫星观测的海洋边界层气溶胶结构研究

Advances in Engineering Technology Research Pub Date : 2024-01-24 DOI: 10.56028/aetr.9.1.242.2024

Shumei Deng, Mingjian Yi, Qiang Zhao, Changyu Liu

引用次数: 0

Research on Measurement Technology of Coefficient of Thermal Expansion of Honeycomb Structure 蜂窝结构热膨胀系数测量技术研究

Advances in Engineering Technology Research Pub Date : 2024-01-24 DOI: 10.56028/aetr.9.1.459.2024

Xiaojun Tang, Lixia Liu, Guobao Dai, Zijie Sun, Yaodong Yang, Ao Li

{"title":"Research on Measurement Technology of Coefficient of Thermal Expansion of Honeycomb Structure","authors":"Xiaojun Tang, Lixia Liu, Guobao Dai, Zijie Sun, Yaodong Yang, Ao Li","doi":"10.56028/aetr.9.1.459.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.459.2024","url":null,"abstract":"Honeycomb structure is widely used as the main sandwich layer of load-bearing structure in aviation, aerospace and other fields because of its light weight and high strength. Under some service conditions, the deformation of the honeycomb structure affected by high and low temperature will affect the overall mechanical performance of the structure. Therefore, accurate evaluation of the thermal expansion performance of the honeycomb structure becomes the key to structural design. However, the existing measurement methods of thermal expansion coefficient mainly have problems such as the hollow structure cannot be effectively contacted, the area of the grid optical target is limited and difficult to detect. In view of the above conditions, in this paper, a method for measuring the thermal expansion coefficient of honeycomb structure is proposed, and the measurement system is built, and the thermal expansion performance of honeycomb structure is effectively obtained by testing the honeycomb structure. At the same time, the measurement accuracy of the system is verified by using standard test pieces. The experimental results show that the method has high measurement accuracy.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140497338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Differentiation Potential Analysis of Bone Marrow Mesenchymal Stem Cells from Guizhou Miniature Pigs 贵州小型猪骨髓间充质干细胞的分化潜能分析

Advances in Engineering Technology Research Pub Date : 2024-01-24 DOI: 10.56028/aetr.9.1.471.2024

Qian Li, Zengcai Liang, Taofeng Lu

{"title":"Differentiation Potential Analysis of Bone Marrow Mesenchymal Stem Cells from Guizhou Miniature Pigs","authors":"Qian Li, Zengcai Liang, Taofeng Lu","doi":"10.56028/aetr.9.1.471.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.471.2024","url":null,"abstract":"In this study, different growth characteristics of hematopoietic stem cells and bone marrow mesenchymal stem cells were used to isolate and culture BMSCs by whole bone marrow adhesion method, and RT-PCR was used to detect cell surface markers CD29, CD31, CD34, CD44, CD71, CD73, CD90. The differentiation of osteocytes into adipocytes and osteoblasts was induced in vitro, and the differentiation ability was observed by staining with oil red O and rubinin. To investigate the isolation and culture methods of BMSCs from Guizhou miniature pigs (Sussa lvanius) in vitro, and to study their biological characteristics and potential for multi-differentiation. The results showed that a small number of adherent cells could be seen in the primary BMSCs cultured in vitro within 48 hours, and the confluent cells reached 90% in 5~6 days. The cell growth state was good, and the shape was spindle and polygonal. RT-PCR was used to detect the positive expression of CD29, CD44, CD71, CD73 and CD90 on the cell surface, and the negative expression of CD31 and CD34. Oil red O staining showed the formation of lipid droplets in the cells, and alizarine red staining showed calcium nodules in the cells, indicating that the cells isolated and cultured in this experiment had the ability of multidirection differentiation. It is consistent with the characteristics of BMSCs. The growth of BMSCs cultured in vitro was stable, and the expanded BMSCs had multidirectional differentiation potential, which was an ideal seed cell for tissue engineering.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"42 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140497889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Research on Singularity in Calculation of Induced Electric Field in Pointed Conductors 尖导体感应电场计算中的奇异性研究

Advances in Engineering Technology Research Pub Date : 2024-01-24 DOI: 10.56028/aetr.9.1.477.2024

Kejie Li, Dian Sun

{"title":"Research on Singularity in Calculation of Induced Electric Field in Pointed Conductors","authors":"Kejie Li, Dian Sun","doi":"10.56028/aetr.9.1.477.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.477.2024","url":null,"abstract":"In the electric field environment of thunderstorm, the tip of a grounded object at a high place is more likely to produce corona discharge and finally cause lightning flash. Therefore, the study of the surface electric field of the grounded object tip in the electric field environment has important theoretical value and practical significance for the analysis of the characteristics of the head-on discharge. Due to the strong singularity of the tip structure, the traditional numerical analysis method cannot accurately calculate its surface electric field. Therefore, the traditional literature usually chamfers the conductor tip, but in lightning physics, researchers are most concerned about the maximum field strength in the local area. In order to study the electric field distribution on the tip conductor surface, a semi-analytical boundary element method is proposed to calculate the tip structure directly. Firstly, the analytical formula of the electric field on the tip conductor surface and the boundary element semi-analytical common method are derived, and the tip conductor model is established to calculate the tip electric field excited by the external electric field using the analytical solution and the semi-analytical method. The correctness of the semi-analytical method is verified by calculating the L2 loss function of the two, and the influence of the tip angle on the semi-analytical calculation results is studied. The results show that for the three-dimensional cone model, the L2 loss function is 10-5, which meets the calculation accuracy. The special treatment of the semi-analytical method at the strong singular integral makes the calculation accuracy much higher than that of the Gaussian integral, where the L2 loss function is greatly reduced. Further, based on the change of tip angle, as the conductor tip becomes sharper, the greater the electric field distortion is, and the greater the L2 loss function is. The research results provide a method reference for the calculation of the electric field on the tip conductor surface.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"36 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140498017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Delivery of Worm-like Drug Carriers in Stenotic Mrcovessels: A Simulation Study 蠕虫状药物载体在狭窄微血管中的输送：模拟研究

Advances in Engineering Technology Research Pub Date : 2024-01-24 DOI: 10.56028/aetr.9.1.454.2024

Yanhui Wei, Yufeng Zhu, Tong Wang

引用次数: 0