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Combined effects of ground granulated blast furnace slag and fly ash on the porosity and chloride penetration of sand concrete 磨粒矿渣与粉煤灰对砂混凝土孔隙率和氯离子渗透的联合影响
2020 Applying New Technology in Green Buildings (ATiGB) Pub Date : 2021-03-12 DOI: 10.1109/ATiGB50996.2021.9423221
Hongzhu Quan, Nguyen Tan Khoa, Phan Cao Tho
{"title":"Combined effects of ground granulated blast furnace slag and fly ash on the porosity and chloride penetration of sand concrete","authors":"Hongzhu Quan, Nguyen Tan Khoa, Phan Cao Tho","doi":"10.1109/ATiGB50996.2021.9423221","DOIUrl":"https://doi.org/10.1109/ATiGB50996.2021.9423221","url":null,"abstract":"This paper presents study results on the effects of ground granulated blast furnace slag (GGBFS) and fly ash (FA) on the mechanical properties, porosity and chloride penetration of sand concrete. Two series of concretes were prepared with W/B ratios of 0.36 and 0.32. The aggregate used consists of crushed sand with a modulus of fineness 3.2 and dune sand with a modulus of fineness 1.7. In each series: 1 mixture of reference sand concrete (RSC), 2 mixtures were investigated: concrete containing 40% GGBFS and concrete containing a combination of 35% GGBFS and 20% FA. The study results showed that the strength of sand concretes containing 40% GGBFS was improved after 7 days of curing, their porosity and chloride penetration significantly decreased at all ages compared with that of the RSC. The strength of sand concrete containing 35% GGBFS and 20% FA was lower than that of RSC at 28 days but approximately reached strength at 56 days. In addition, its porosity and chloride penetration were much lower than that of RSC and sand concretes containing 40% GGBFS.","PeriodicalId":6690,"journal":{"name":"2020 Applying New Technology in Green Buildings (ATiGB)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84342847","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
An Investigation on Energy Efficiency of Infrared and Induction Cooktops 红外和感应灶台的能效研究
2020 Applying New Technology in Green Buildings (ATiGB) Pub Date : 2021-03-12 DOI: 10.1109/ATiGB50996.2021.9423196
Son Thanh Nguyen, Ngoc Anh Ho-Tran
{"title":"An Investigation on Energy Efficiency of Infrared and Induction Cooktops","authors":"Son Thanh Nguyen, Ngoc Anh Ho-Tran","doi":"10.1109/ATiGB50996.2021.9423196","DOIUrl":"https://doi.org/10.1109/ATiGB50996.2021.9423196","url":null,"abstract":"This study presents detailed energy efficiency analysis and comparison of two types of electric cooktops, i.e., infrared and induction cooktops, under Vietnamese conditions. The cooktops investigated are of nearly similar technical specifications, e.g., capacity, voltage, and the maximum temperature of the glass, and the manufacturing information. Experiments are conducted with both pot and pan in order to evaluate the heat-up time, self-cooling time, overshoot, cooking efficiency, and energy cost of each type of cooktop. Results show that the induction cooktop is considerably energy-efficient than the infrared one. In detail, the maximum cooking efficiency for the former is 98.8% (in the case of using a pan with 0.5 kg water) meanwhile that for the latter is only 63.81% (in the case of using a pot with 5 kg water). Moreover, the heat-up time of the infrared cooktop is significantly greater; for instance, its maximum heat-up time is 60% higher than that of the induction one. Additionally, the estimated annual costs for the induction cooktop is found to be 14.04% lower compared to the infrared one.","PeriodicalId":6690,"journal":{"name":"2020 Applying New Technology in Green Buildings (ATiGB)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80172841","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: 1
Forecast of Energy Consumption of Drying System According to The Environmental Temperature and Humidity on IoT by Arima Algorithm 基于Arima算法的物联网环境温湿度干燥系统能耗预测
2020 Applying New Technology in Green Buildings (ATiGB) Pub Date : 2021-03-12 DOI: 10.1109/ATiGB50996.2021.9423429
Chi-Phi Do, Quang-Huy Le, Duy-Phuoc Pham, Dinh-Kha Le
{"title":"Forecast of Energy Consumption of Drying System According to The Environmental Temperature and Humidity on IoT by Arima Algorithm","authors":"Chi-Phi Do, Quang-Huy Le, Duy-Phuoc Pham, Dinh-Kha Le","doi":"10.1109/ATiGB50996.2021.9423429","DOIUrl":"https://doi.org/10.1109/ATiGB50996.2021.9423429","url":null,"abstract":"The hot air recirculating drying method has the advantage of handling large output. Moreover, in the drying chamber with a large volume of drying material, factors affecting the drying process such as air flow rate, temperature, drying agent humidity, and surface area of the drying product are always concerned. Because this is the deciding factor for the drying time as well as the quality of the drying product. However, the drying time is closely related to the energy consumed in the drying system. In particular, the temperature and humidity of the environment have a great influence on energy consumption. This paper has built a general mathematical model, using ARIMA algorithm to predict energy consumption for the industrial drying system and applying the mathematical model to actually survey the drying system with a capacity of 1000 kg /batch, 03 drying chambers are designed with a size of 3000mm. x 3000mm x 2500 (length x width x height), total drying tray area 192 m2. Energy sources use thermal oil furnace technology or resistive furnaces. The collected temperature and humidity data is based on the IoT platform. The simulation results forecast the temperature accurately to 99.09%, the humidity is accurate to 98.24% and the energy consumption reaches 96.31%.","PeriodicalId":6690,"journal":{"name":"2020 Applying New Technology in Green Buildings (ATiGB)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86798089","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: 1
A study on the coffeeshop space in Vinh Long City, Vietnam 越南永隆市咖啡店空间研究
2020 Applying New Technology in Green Buildings (ATiGB) Pub Date : 2021-03-12 DOI: 10.1109/ATiGB50996.2021.9423191
Thinh Do Duy, Ye Xuan, Trang Nguyen Thi Thuy, Thi Le Tung Diem
{"title":"A study on the coffeeshop space in Vinh Long City, Vietnam","authors":"Thinh Do Duy, Ye Xuan, Trang Nguyen Thi Thuy, Thi Le Tung Diem","doi":"10.1109/ATiGB50996.2021.9423191","DOIUrl":"https://doi.org/10.1109/ATiGB50996.2021.9423191","url":null,"abstract":"The recent introduction of pseudo-public space to Vietnam has significantly contributed to increasing the area of public spaces in urban area. Not only is coffee-shop space where people drink coffee and gossip as before, but now it is also a place for entertainment, relaxation and social interactions. Similarly to studies on such privately owned public spaces in foreign countries as pocket park, this research aims at understanding the usage nature of coffee-shop space in Vietnam’s cities, particularly Vinh Long city. The research also discovers the distribution of coffeeshop space network in urban configuration, types of coffee-shop space and their spatial properties on basis of data collected by observation, investigation, survey and Open Street Map. Furthermore, the research uses analytical tools deriving from space syntax theory. Findings will be detailed in this paper.","PeriodicalId":6690,"journal":{"name":"2020 Applying New Technology in Green Buildings (ATiGB)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76869820","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
Multi-Objective Exploration for Proximal Policy Optimization 近端策略优化的多目标探索
2020 Applying New Technology in Green Buildings (ATiGB) Pub Date : 2021-03-12 DOI: 10.1109/ATiGB50996.2021.9423319
Nguyen Do Hoang Khoi, Cuong Pham Van, Hoang Vu Tran, C. Truong
{"title":"Multi-Objective Exploration for Proximal Policy Optimization","authors":"Nguyen Do Hoang Khoi, Cuong Pham Van, Hoang Vu Tran, C. Truong","doi":"10.1109/ATiGB50996.2021.9423319","DOIUrl":"https://doi.org/10.1109/ATiGB50996.2021.9423319","url":null,"abstract":"In Reinforcement Learning, the reward is one of the main components to optimize the strategy. While other approaches are based on a simple scalar reward to get an optimal policy, we propose a model learning the designated reward in numerous conditions. Our method, which we call multi-objective exploration for proximal policy optimization (MOE-PPO), alleviates the dependence on the reward design by executing the Preferent Surrogate Objective (PSO). We also make full use of Curiosity Driven Exploration to increase exploration ability. Our experiments test MOE-PPO in the Super Mario Bros environment designed by OpenAIGym with three criteria to illustrate our approach's effectiveness. The result shows that MOE-PPO outperforms other on-policy algorithms under many conditions.","PeriodicalId":6690,"journal":{"name":"2020 Applying New Technology in Green Buildings (ATiGB)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78564987","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: 2
Pneumonia Classification in X-ray Images Using Artificial Intelligence Technology 利用人工智能技术在x射线图像中的肺炎分类
2020 Applying New Technology in Green Buildings (ATiGB) Pub Date : 2021-03-12 DOI: 10.1109/ATiGB50996.2021.9423017
Han Trong Thanh, P. H. Yen, Trinh Bich Ngoc
{"title":"Pneumonia Classification in X-ray Images Using Artificial Intelligence Technology","authors":"Han Trong Thanh, P. H. Yen, Trinh Bich Ngoc","doi":"10.1109/ATiGB50996.2021.9423017","DOIUrl":"https://doi.org/10.1109/ATiGB50996.2021.9423017","url":null,"abstract":"The article focuses on the research of image classification algorithms, namely the images indicate pathology of pneumonia caused by bacteria and viruses. The proposed method is based on using the VGG16, VGG19, DenseNet169 networks to extract data characteristics and train the model classification. The X-rays are classified including normal people, patients with viral pneumonia, and bacterial pneumonia. The provided source was medical data on chest X- ray images of patients who were manually classified by specialists. However, the accuracy of the classification is highly dependent on the number of images, the resolution of the images, and whether the X-ray image is correctly classified. In this study, the algorithms give relatively positive classification results with an accuracy of approximately 85%.","PeriodicalId":6690,"journal":{"name":"2020 Applying New Technology in Green Buildings (ATiGB)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76670929","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: 2
Research on melaleuca oil production by steam explosion method 蒸汽爆破法开采千层油的研究
2020 Applying New Technology in Green Buildings (ATiGB) Pub Date : 2021-03-12 DOI: 10.1109/ATiGB50996.2021.9423324
Tran Thanh Son, Phan Qui Tra
{"title":"Research on melaleuca oil production by steam explosion method","authors":"Tran Thanh Son, Phan Qui Tra","doi":"10.1109/ATiGB50996.2021.9423324","DOIUrl":"https://doi.org/10.1109/ATiGB50996.2021.9423324","url":null,"abstract":"Melaleuca oil is one of the most powerful immune system stimulants, which is capable of quickly eliminating most viral, bacterial, and fungal infections. Melaleuca oil in Vietnam is only produced on a small-scale using outdated technology. In this study, the materials were firstly processed with the steam explosion method before being put into the distillation pot. This pretreatment process helps to break down the structure of the materials and extract the essential oil efficiently. In the scope of this study, many different experiments had been done such as changing of heating time, pressure, and the number of steam explosions. The main purpose of the study is to find parameters suitable for oil dissociation regarding oil color and quantity. Research results show that the essential oil yield depends on explosion pressure, explosion time, and the number of explosions. In the scope of this study, it shows that for every 3 kg of raw melaleuca, about 10.2 ml of essential oil is extracted, which is almost twice as high as traditional methods without steam explosion. This process also saves 60% more time than the traditional method. These preliminary results demonstrate that pretreatment is an important part of improving the efficiency of essential oil extraction both in terms of essential oil yield and energy consumption.","PeriodicalId":6690,"journal":{"name":"2020 Applying New Technology in Green Buildings (ATiGB)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82927917","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 of air drying technology for helicopter protection in tropical conditions of Vietnam 风干技术在越南热带地区直升机防护中的应用
2020 Applying New Technology in Green Buildings (ATiGB) Pub Date : 2021-03-12 DOI: 10.1109/ATiGB50996.2021.9423027
H. Nguyen, V. N. Sereda, Duy Nam Pham, C. C. Vo
{"title":"Application of air drying technology for helicopter protection in tropical conditions of Vietnam","authors":"H. Nguyen, V. N. Sereda, Duy Nam Pham, C. C. Vo","doi":"10.1109/ATiGB50996.2021.9423027","DOIUrl":"https://doi.org/10.1109/ATiGB50996.2021.9423027","url":null,"abstract":"This paper presents the experimental results in applying air drying technology developed by the Vietnam- Russia Tropical Centre for protecting EC-155 helicopter against the adverse effects of high humidity in the tropical climate. The essence of this technology is using an ITM- OY7 air dryer, that is placed outside the helicopter, to force dry air into helicopter compartments through an air duct. The ITM- OY7 was fabricated by the Vietnam-Russia Tropical Centre. The test was conducted for 14 months (from April 2019 to June 2020) at an Air force unit in Hanoi. The results showed that air drying technology application helped reduce and maintain relative humidity in the EC-155 helicopter cabin at an average of 60%, while average humidity in the shelter ranges from 70% to 92%. These results are the basis for expanding application of the air drying technology in other Air and Air Defense Force units in protecting helicopters from harmful effects of the tropical climate.","PeriodicalId":6690,"journal":{"name":"2020 Applying New Technology in Green Buildings (ATiGB)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83758204","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
Semantic Road Segmentation using Deep Learning 基于深度学习的语义道路分割
2020 Applying New Technology in Green Buildings (ATiGB) Pub Date : 2021-03-12 DOI: 10.1109/ATiGB50996.2021.9423307
Tuan D. Pham
{"title":"Semantic Road Segmentation using Deep Learning","authors":"Tuan D. Pham","doi":"10.1109/ATiGB50996.2021.9423307","DOIUrl":"https://doi.org/10.1109/ATiGB50996.2021.9423307","url":null,"abstract":"Semantic segmentation is an important task in self-driving cars. The aims of semantic segmentation are to recognize pre-defined objects and its pixel-by-pixel location. The most popular method in semantic segmentation is Deep learning which has considerably improved semantic image segmentation. This work does an overview for semantic segmentation using Deep learning. This works also implement comparisons in term of precision, mean IOU and processing time. Three popular algorithms are PSPNet, FCN and SegNet that are examined carefully. In detail, the aim of this work points out a trade-off between processing time and mean IOU, and also between processing time and precision. Moreover, this paper concentrates on road segmentation for embedded devices, so processing time is significantly important. This work also figures out which method is suitable for embedded devices on road segmentation.","PeriodicalId":6690,"journal":{"name":"2020 Applying New Technology in Green Buildings (ATiGB)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86053728","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: 9
Calculation of the Magnetic Field and Inrush Current in a Three-phase Transformer 三相变压器磁场和涌流的计算
2020 Applying New Technology in Green Buildings (ATiGB) Pub Date : 2021-03-12 DOI: 10.1109/ATiGB50996.2021.9423111
Thanh Bao Doan, Chi Phi Do
{"title":"Calculation of the Magnetic Field and Inrush Current in a Three-phase Transformer","authors":"Thanh Bao Doan, Chi Phi Do","doi":"10.1109/ATiGB50996.2021.9423111","DOIUrl":"https://doi.org/10.1109/ATiGB50996.2021.9423111","url":null,"abstract":"When a power transformer is connected to the grid, the inrush current increases substantially with a high value of harmonic components. At that time, the amount of flux in the core increases causing the magnetic circuit to saturate with a duration up to many grid cycles. This may cause malfunction of protection relays or interfere the operating condition of nearby electrical instruments. Therefore, it is important to analyze the phenomenon of the inrush current and the magnetic field inside the transformer. This paper has derived a simulation model for three power transformers with capacity of 250kVA, 1500kVA and 2200kVA by using Ansys Maxwell 3D software when connecting the transformers to power grid under no load condition. The winding voltages, the inrush currents, and the flux density inside the core of each transformers have been analyzed. Furthermore, with the help of the finite element method, the overvoltage and/or overheating phenomenon of transformers can also be studied.","PeriodicalId":6690,"journal":{"name":"2020 Applying New Technology in Green Buildings (ATiGB)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86689405","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: 1
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