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An Intelligent Health Monitoring System for Buildings Based on IoT Technology 基于物联网技术的楼宇智能健康监测系统
Advances in Engineering Technology Research Pub Date : 2024-01-10 DOI: 10.56028/aetr.9.1.304.2024
Feiyue Zhu, Yuli He, Haifeng Qiu
{"title":"An Intelligent Health Monitoring System for Buildings Based on IoT Technology","authors":"Feiyue Zhu, Yuli He, Haifeng Qiu","doi":"10.56028/aetr.9.1.304.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.304.2024","url":null,"abstract":"This paper presents the design and development of an intelligent health monitoring system for buildings, utilizing IoT (Internet of Things) technology. In addressing a prevailing issue in current building stress monitoring methods, which often overlooks point cloud data preprocessing, we propose a method that focuses on monitoring vertical stress points in concrete structures and aligning the collected data with finite element analysis models. Subsequently, harnessing the potential of IoT technology, we design a Zigbee-based scheme for collecting environmental data within the building. This scheme incorporates a diverse array of sensors and encompasses the construction of a comprehensive software and hardware system alongside a monitoring platform. The resulting system is adept at real-time monitoring and data collection across various facets of the building, ensuring alignment with actual conditions. It demonstrates significant practical value, offering user-friendly operation, robust stability, and excellent performance in the realm of building monitoring.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"17 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140510514","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
Stability Analysis of Slopes Supported by Anti-slip Piles under Different Working Conditions 不同工作条件下抗滑桩支撑斜坡的稳定性分析
Advances in Engineering Technology Research Pub Date : 2024-01-10 DOI: 10.56028/aetr.9.1.355.2024
Zhiquan Wang, Jian Wu, Shuaihua Ye, Dong Yang, Longwei Zhu
{"title":"Stability Analysis of Slopes Supported by Anti-slip Piles under Different Working Conditions","authors":"Zhiquan Wang, Jian Wu, Shuaihua Ye, Dong Yang, Longwei Zhu","doi":"10.56028/aetr.9.1.355.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.355.2024","url":null,"abstract":"In the reinforcement of slope management measures, the arrangement of anti-slip piles is often used to keep the slope stable, and anti-slip piles, as a typical landslide prevention and control structure, occupy a more important position in landslide management. Relying on a landslide in Gansu Province, this paper carries out numerical simulation research on landslide reinforced by anti-slip piles to study the change rule of the stability coefficient of the landslide under natural, rainfall and earthquake conditions as well as the displacement law under earthquake conditions, and then evaluates the reinforcing effect of anti-slip piles in the management of landslides. The results of the study show that, before the landslide was reinforced by anti-slip piles, the landslide mass was in a stable state and a basically stable state under natural conditions and rainfall conditions, respectively, and the probability of failure was small. Under the earthquake condition, the landslide is in an unstable state and is prone to localized failure, and the displacement of the landslide mass in the X direction is larger; The stability coefficients of the landslide mass under each condition were greatly improved after the stabilization of the landslide by anti-slip piles and the X-direction was limited under the earthquake condition, and the landslide was in a stable state. The effect of anti-slip pile reinforcement is good, and it can provide reference for future anti-slip pile reinforcement slope projects.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"35 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140510673","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
Double Restriction of Bismuth Nanoparticles by Carbon Matrixes for Ultralong−lifespan Sodium Storage 碳基质双重限制纳米铋，实现超长寿命钠储存
Advances in Engineering Technology Research Pub Date : 2024-01-10 DOI: 10.56028/aetr.9.1.317.2024
Fuchao Huang, Zheng Liu, Ke Cao, Zhuangjun Fan
{"title":"Double Restriction of Bismuth Nanoparticles by Carbon Matrixes for Ultralong−lifespan Sodium Storage","authors":"Fuchao Huang, Zheng Liu, Ke Cao, Zhuangjun Fan","doi":"10.56028/aetr.9.1.317.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.317.2024","url":null,"abstract":"Alloying-type bismuth (Bi) anodes show a high theoretical capacity for sodium-ion batteries (SIB), yet their huge volume expansion and electrode pulverization resulted in poor electrochemical stability. Herein, we proposed a feasible strategy for the preparation of carbon/Bi composite material in which the Bi nanoparticles are uniformly dispersed in the double-layered carbon matrix. Benefiting from the synergistic confinement of the external coating of graphene and the internal layer of MOF-derived carbon, the volumetric expansion and large chemo-mechanical stress of Bi nanoparticles are effectively buffered. Therefore, the GAB@GO-800 anode exhibits a dramatically reversible capacity of 328 mA h g−1 at 0.1 A g−1, exceptional rate capability (299 mA h g−1 at 5 A g−1), and ultrahigh stability of 255 mA h g−1 at 2 A g−1 over 2000 cycles. Such hybrid carbon confinemental strategy via a combination of graphene coating and MOF-derived carbon is expected to be a promising method for the alloying-type anodes of SIBs.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"47 1-2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140510796","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
Fatigue Fracture Behavior of TA15 Alloy after Laser Marking 激光打标后 TA15 合金的疲劳断裂行为
Advances in Engineering Technology Research Pub Date : 2024-01-10 DOI: 10.56028/aetr.9.1.349.2024
Kun Qian, Linqing Yang, Yunlong Jiang, Jinlan An, Li Hui
{"title":"Fatigue Fracture Behavior of TA15 Alloy after Laser Marking","authors":"Kun Qian, Linqing Yang, Yunlong Jiang, Jinlan An, Li Hui","doi":"10.56028/aetr.9.1.349.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.349.2024","url":null,"abstract":"In order to study the effect of laser marking on the fatigue properties of TA15 titanium alloy, the alloy was marked at two depths respectively, and the low-cycle fatigue properties and fracture mechanism of TA15 titanium alloy after marking were analyzed and discussed. The results show that different degrees of marking pits appear on the surface of the alloy after laser marking, which is easy to cause local stress concentration. With the increase of power, the cross section shape of the bottom end of laser marking changes from a semi-arc shape to a sharp cone shape, resulting in high stress concentration phenomenon. The low cycle fatigue life of laser shallow marking specimens decreases by 62.7%, and that of laser deep marking specimens decreases by 86.4%. With the increase of the marking depth, the fatigue source area gradually becomes rough from smooth at the beginning, the divergence degree of cracks increases, the spacing of each crack in the initiation area increases, and the morphology becomes rough. The deeper the marking area is, the more driving force is provided for the initiation of cracks, and finally the fatigue performance deteriorates significantly.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"36 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140511410","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
Low-cost micron-sized silicon/carbon anode prepared by a facile ball-milling method for Li-ion batteries 用简便的球磨法制备用于锂离子电池的低成本微米级硅/碳负极
Advances in Engineering Technology Research Pub Date : 2024-01-10 DOI: 10.56028/aetr.9.1.330.2024
Yueqiang Lin, Bin Qi, Zhiyuan Li, Su Zhang, Tong Wei, Zhuangjun Fan
{"title":"Low-cost micron-sized silicon/carbon anode prepared by a facile ball-milling method for Li-ion batteries","authors":"Yueqiang Lin, Bin Qi, Zhiyuan Li, Su Zhang, Tong Wei, Zhuangjun Fan","doi":"10.56028/aetr.9.1.330.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.330.2024","url":null,"abstract":"Commercially, Si nanoparticles (nano Si) are blended with graphite to construct high-capacity Si/C anodes. However, this strategy falls short because of the high cost of nano Si, serious pollution due to the use of organic solvent, and weak physical-electrical connection between graphite and Si. Herein, using low-cost micron-sized Si (μSi) and graphite as the raw materials, we proposed a facial ball-milling method to construct high-performance Si/C anode (μSi/C@CH) in which milled Si particles are protected both by graphite matrix and homogeneous chitosan-derived carbon layer. It is shown that the N and O atoms not only tend to coordinate with Li+, generating uniformly-distributed Li+ transport channels, but also improve the electrical conductivity of the anode materials. As a result, μSi/C@CH shows high cycling stability (376.7 mAh g-1 at 0.5 A g-1 after 500 cycles) and good rate capability of 120.2 mAh g-1 at 5 A g-1. This dual protection strategy facilitates the practical application of Si/C materials in high-energy density Li ion batteries (LIBs).","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"44 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140510532","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
Critical Wind Speed Analysis of Large-section Steel Box Girder Lifting in Urban Areas Based on Lifting Offset 基于提升偏移的城市地区大截面钢箱梁提升临界风速分析
Advances in Engineering Technology Research Pub Date : 2024-01-02 DOI: 10.56028/aetr.9.1.201.2024
Lei Mao, Qiliang Wu, Yuming Zhang, Shengtao Wang, Shengwei Yang
{"title":"Critical Wind Speed Analysis of Large-section Steel Box Girder Lifting in Urban Areas Based on Lifting Offset","authors":"Lei Mao, Qiliang Wu, Yuming Zhang, Shengtao Wang, Shengwei Yang","doi":"10.56028/aetr.9.1.201.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.201.2024","url":null,"abstract":"This study takes the lifting of steel box girders for interchanging traffic in a certain area as the research background, and considers the limitation of lifting by the surrounding buildings during the lifting process. Combined with the topographic environment and climatic conditions where the project is located, based on the key technology of large-section steel box girder lifting construction, the displacement change of large-section steel box girder lifting under different wind speeds is explored. To this end, a method for calculating the lifting offset is proposed, aiming to provide guidance for the safe construction of large-section steel box girder lifting in urban areas. Meanwhile, the concept of critical wind speed is introduced in this study to determine the critical conditions in the lifting process, i.e., the lifting process may be unsafe when the wind speed reaches the critical wind speed. The results show that the average displacement of the most unfavourable member increases from 0.024m to 1.541m when the wind speed increases from 3m/s to 27m/s; under the same wind speed, different area to mass ratios have a greater effect on the member displacement; considering the safety of the lifting construction, it is recommended that the value of the critical wind speed should be taken as 17m/s, and it is recommended to stop the lifting of the member or to strengthen the safety measures when the wind speed is greater than the critical wind speed during the lifting process. By analysing the change of lifting displacement and critical wind speed, this study provides an important reference and decision-making basis for the construction safety of large-section steel box girder lifting in urban areas.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"116 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140515988","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
Experimental Study on the Influence of Air Conveyor System Parameters on Vibration of Glass Substrate 空气输送系统参数对玻璃基板振动影响的实验研究
Advances in Engineering Technology Research Pub Date : 2024-01-02 DOI: 10.56028/aetr.9.1.226.2024
Yunjie Ma, Bin Huang, Zhi Xu, Xuejian Wang, Yongyue Yang
{"title":"Experimental Study on the Influence of Air Conveyor System Parameters on Vibration of Glass Substrate","authors":"Yunjie Ma, Bin Huang, Zhi Xu, Xuejian Wang, Yongyue Yang","doi":"10.56028/aetr.9.1.226.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.226.2024","url":null,"abstract":"In this paper, the method of experimental research is used to minimize the micro-vibration amplitude of 0.6 mm thick glass substrates in the air conveyor system. The optimal parameter combination of the small orifice throttling glass substrate air conveyor system is obtained as follows: orifice diameter 0.25 mm, orifice spacing 60 mm and air-film thickness 50 μm. Secondly, based on the orthogonal experimental data, the influence of the main parameters of the air conveyor system at the micro vibration of the glass substrate is analyzed by variance analysis technology. The results show that the three principal parameters of the air conveyor system have significant influence on the vibration of the glass substrate. Among them, the thickness of the air-film has the greatest influence on the vibration of the glass substrate, the diameter of the orifice has the second influence, and the spacing of the orifice has the least influence. Finally, the influence of the three key parameters of orifice diameter, orifice spacing and film thickness on the micro vibration of glass substrate in the orifice throttling air flotation support system was studied and discussed, and the relationship curves between the maximum amplitude of micro-vibration of glass substrate and the main parameters of air flotation system were obtained.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"37 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140515541","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
The Application of Digital Twin Technology in Maritime Vessel Safety Regulation 数字孪生技术在海事船舶安全监管中的应用
Advances in Engineering Technology Research Pub Date : 2024-01-02 DOI: 10.56028/aetr.9.1.251.2024
Hongguang Liang, Zhuoyi Yang
{"title":"The Application of Digital Twin Technology in Maritime Vessel Safety Regulation","authors":"Hongguang Liang, Zhuoyi Yang","doi":"10.56028/aetr.9.1.251.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.251.2024","url":null,"abstract":"The potential for the development of digital twin technology is enormous, gradually finding applications in the field of maritime vessel safety regulation. In response to the current issue of poor coordination between physical information and simulation model information during ship navigation, a design proposal combining digital twin technology with maritime safety regulation is put forward. The application of digital twin technology in the field of maritime vessel safety regulation is analyzed, and an architecture for a ship navigation environment monitoring system based on digital twin is constructed. The operational mechanism and key functional components of this system are demonstrated. A digital twin system for the ship navigation environment is built using Unity 3D and C# programming. Finally, the feasibility of applying digital twin technology in the field of maritime vessel safety regulation is verified through experiments.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"35 1-3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140514993","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
Construction and Implementation of Tibetan Cultural Relics Question and Answer System Based on Knowledge Graph 基于知识图谱的西藏文物问答系统的构建与实现
Advances in Engineering Technology Research Pub Date : 2024-01-02 DOI: 10.56028/aetr.9.1.210.2024
Qingbei Chen, Liu Wang, Haiqiong Liang, Yiwei Zheng, Siyu Sun, Jiale Zhao, Chang Liu
{"title":"Construction and Implementation of Tibetan Cultural Relics Question and Answer System Based on Knowledge Graph","authors":"Qingbei Chen, Liu Wang, Haiqiong Liang, Yiwei Zheng, Siyu Sun, Jiale Zhao, Chang Liu","doi":"10.56028/aetr.9.1.210.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.210.2024","url":null,"abstract":"Tibet is a region with a long history and culture, with a large number of precious cultural relics resources. In the digital age, building a question-and-answer system based on the Knowledge map of Tibetan cultural relics can better protect and pass on Tibetan cultural heritage. Firstly, the Tibetan cultural relics data were obtained by crawler technology and stored in neo4j database to complete the knowledge graph construction. Secondly, in order to make the system understand the semantic information of the user's question, the bert_bilstm_crf model is used to recognize the entity information of the question, and the bert_textcnn model is used to recognize the intention of the question, and finally the answer result is returned by constructing the cypher query graph.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"30 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140515248","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
Inversion of Ocean Wave Spectrum from the Multi-frequency HF Radar Sea Echoes with Wind and Swell Coexisting 从多频率高频雷达海洋回波中反演风浪共存的海浪频谱
Advances in Engineering Technology Research Pub Date : 2024-01-02 DOI: 10.56028/aetr.9.1.275.2024
Han Liu, Zhen Liu, Suyue Wang
{"title":"Inversion of Ocean Wave Spectrum from the Multi-frequency HF Radar Sea Echoes with Wind and Swell Coexisting","authors":"Han Liu, Zhen Liu, Suyue Wang","doi":"10.56028/aetr.9.1.275.2024","DOIUrl":"https://doi.org/10.56028/aetr.9.1.275.2024","url":null,"abstract":"Recently, the multi-frequency HF radar has attracted much attention. However, only a few works focus on the method of obtaining wave information directly. In this work, a wave spectrum inversion method for multi-frequency HF radar in complex sea conditions is proposed. This method considers the swell component in the ocean, and uses multiple HF radars of different frequencies to obtain the echo Doppler spectra from complex sea conditions with wind and swell coexisting. And then the wave spectrum is derived from the high-energy outer second-order spectra and the corresponding first-order peak of the Doppler spectra. In addition, the proposed method is applied to the simulated sea echo data and the result indicates that the method is effective.","PeriodicalId":355471,"journal":{"name":"Advances in Engineering Technology Research","volume":"11 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140515135","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
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