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Current Approaches in Science and Technology Research Vol. 15最新文献

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Recent Research on Green Building Rooftop Plant Power Generation System Based on Bionics Principles 基于仿生原理的绿色建筑屋顶电厂发电系统研究进展
Current Approaches in Science and Technology Research Vol. 15 Pub Date : 2021-08-06 DOI: 10.9734/bpi/castr/v15/3826f
J. Shang
{"title":"Recent Research on Green Building Rooftop Plant Power Generation System Based on Bionics Principles","authors":"J. Shang","doi":"10.9734/bpi/castr/v15/3826f","DOIUrl":"https://doi.org/10.9734/bpi/castr/v15/3826f","url":null,"abstract":"This research is based on the detailed design and study of a plant power generation system for green building roofs based on the combination of bionics and design science. Firstly, the selection of power generation plants is carried out through experiments and research. Then, the connection between the plant power generation unit and the internal circuit of the building is studied to generate a complete building roof plant power generation system. This article would introduce the current examples of plant power systems and study a new plant power system. What’s more, it would introduce the application and future of this green power in architecture.","PeriodicalId":348731,"journal":{"name":"Current Approaches in Science and Technology Research Vol. 15","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130827909","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 Survey of Kalman Filter Algorithms and Variants in State Estimation 状态估计中卡尔曼滤波算法及变量的研究进展
Current Approaches in Science and Technology Research Vol. 15 Pub Date : 2021-08-06 DOI: 10.9734/bpi/castr/v15/11912d
V. Awasthi, K. Raj
{"title":"A Survey of Kalman Filter Algorithms and Variants in State Estimation","authors":"V. Awasthi, K. Raj","doi":"10.9734/bpi/castr/v15/11912d","DOIUrl":"https://doi.org/10.9734/bpi/castr/v15/11912d","url":null,"abstract":"The Kalman filter is one of the most extensively used approaches for estimating system states with unknown statistics in the areas of modem control, communication applications, and signal processing. \u0000By selecting the appropriate estimate technique, a correct and accurate state estimation of a linear or non-linear system can be enhanced. By using several mathematical techniques to linearize the nonlinear system, state estimation can be improved.Kalman filter methods are a common methodology for nonlinear systems that produce linear, unbiased, and minimum variance estimates of unknown state vectors.We attempted to bridge the gap between the Kalman filter and its variants in terms of algorithm and performance when applied to a non-linear system in this study.When only noisy observation data is provided, the techniques mentioned here have been shown to be more effective. This work can be used as theoretical basis for further studies in a number of different directions such as to achieve high computational speed for high dimensional state estimation.","PeriodicalId":348731,"journal":{"name":"Current Approaches in Science and Technology Research Vol. 15","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125680322","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
Studies on Asymptotics of the Solution of Parabolic Problems with Multipoint Stationary Phase 多点平稳相抛物型问题解的渐近性研究
Current Approaches in Science and Technology Research Vol. 15 Pub Date : 2021-08-06 DOI: 10.9734/bpi/castr/v15/2387f
A. Omuraliev, E. Abylaeva
{"title":"Studies on Asymptotics of the Solution of Parabolic Problems with Multipoint Stationary Phase","authors":"A. Omuraliev, E. Abylaeva","doi":"10.9734/bpi/castr/v15/2387f","DOIUrl":"https://doi.org/10.9734/bpi/castr/v15/2387f","url":null,"abstract":"The goal of this study is to provide regularised asymptotics of the solution of a singularly perturbed parabolic problem when the limit operator has no range and the free term oscillates fast, and the phase derivative vanishes at finite locations. Transition layers are created when the first derivative of the phase of the free term vanishes. It is shown that the asymptotic solution of the problem contains parabolic, inner, corner and rapidly oscillating boundary-layer functions. Corner boundary-layer functions have two components: the first component is described by the product of parabolic boundary layer and boundary layer functions, which have a rapidly oscillating nature of the change, and the second component is described by the product of the inner and parabolic boundary layer functions.","PeriodicalId":348731,"journal":{"name":"Current Approaches in Science and Technology Research Vol. 15","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123855804","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 New Technology for Electromagnetic Waves May Be Beneficial to Nanotechnology 一种新的电磁波技术可能有利于纳米技术
Current Approaches in Science and Technology Research Vol. 15 Pub Date : 2021-08-06 DOI: 10.9734/bpi/castr/v15/3789f
J. M. Velázquez-Arcos
{"title":"A New Technology for Electromagnetic Waves May Be Beneficial to Nanotechnology","authors":"J. M. Velázquez-Arcos","doi":"10.9734/bpi/castr/v15/3789f","DOIUrl":"https://doi.org/10.9734/bpi/castr/v15/3789f","url":null,"abstract":"In this study, we propose applying a newly developed technology for the substitution of metamaterials with electromagnetic time reversal procedures to some nanotechnology issues. Metamaterials are also a new exciting field of physics research and have his own essential or enclosure applications. The basic concept is to take use of two key facts: first, we can better localise electromagnetic signals; second, we can often employ waves of lower frequency than we would if we didn't have this technology. To that purpose, we present several specific research cases in which the vector-matrix formalism might be used to nanotechnology.","PeriodicalId":348731,"journal":{"name":"Current Approaches in Science and Technology Research Vol. 15","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116929517","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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