Electrical Science & Engineering最新文献

Performance Assessment of Motorized Solar Photovoltaic Louvers System Using PVSYST Software 基于PVSYST软件的电动太阳能光伏百叶系统性能评估

Electrical Science & Engineering Pub Date : 2021-11-26 DOI: 10.30564/ese.v3i2.4077

Hussein Safwat Hasan Hasan, Humor Hwang

{"title":"Performance Assessment of Motorized Solar Photovoltaic Louvers System Using PVSYST Software","authors":"Hussein Safwat Hasan Hasan, Humor Hwang","doi":"10.30564/ese.v3i2.4077","DOIUrl":"https://doi.org/10.30564/ese.v3i2.4077","url":null,"abstract":"In the realm of technological market penetration of solar photovoltaiclouvers (PVL) addressing environmental difficulties and the industrialrevolution, a new avenue of renewable energy is introduced. Moreover,solar energy exploitation through building façades was addressedthrough motorized solar photovoltaic louvers (MPVL). On the otherhand, proponents exalted the benefits of MPVL overlooking the typicalanalyses. In this communication, we attempted to perform a thoroughindustrial system evaluation of the MPVL. This communication presentsa methodology to validate the industrial claims about MPVL devices andtheir economic efficiency and the insight on how geographical locationinfluences their utilization and augment their potential benefits. This taskis carried out by evaluating the extent of solar energy that can be harvestedusing solar photovoltaic system (PVSYST) software and investigatingwhether existing product claims are associated with MPVL are feasible indifferent locations. The performance and operational losses (temperature,internal network, power electronics) were evaluated. To design and assessthe performance of different configurations based on the geographicalanalogy, simulation tools were successfully carried out based on differenttopographical locations. Based on these findings, various factors affect theemployment of MPVL such as geographical and weather conditions, solarirradiation, and installation efficiency. tt is assumed that we successfullyshed light and provided insights into the complexity associated withMPVL.","PeriodicalId":375676,"journal":{"name":"Electrical Science & Engineering","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122267133","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 Development and Creation of Intelligent Systems in the next one hundred years 未来一百年智能系统的发展与创造

Electrical Science & Engineering Pub Date : 2021-11-23 DOI: 10.30564/ese.v3i2.4099

F. Bulnes

引用次数: 0

Finding Non-liner Register on Binary M-Sequence Generating Binary Multiplication Sequence 二进制m序列的非线性寄存器生成二进制乘法序列

Electrical Science & Engineering Pub Date : 2021-11-19 DOI: 10.30564/ese.v3i2.4036

Ahmad Hamza Al Cheikha, Diana Mokayes

引用次数: 0

Representing Increasing Virtual Machine Security Strategy in Cloud Computing Computations 在云计算计算中增加虚拟机安全策略

Electrical Science & Engineering Pub Date : 2021-11-15 DOI: 10.30564/ese.v3i2.3786

Mohammad Shirzadi

引用次数: 0

Cyber Security Professionals’ Challenges: A Proposed Integrated Platform Solution 网络安全专业人员的挑战:一个拟议的集成平台解决方案

Electrical Science & Engineering Pub Date : 2021-08-24 DOI: 10.30564/ESE.V3I2.3376

Mohammed Daffalla Elradi, Khalid Abass Abdelmaged, Mutaz Mohammad

引用次数: 0

Effective bandwidth estimation in data networks: an analysis for two traffic characterizations 数据网络中的有效带宽估计:两种流量特征的分析

Electrical Science & Engineering Pub Date : 2021-07-07 DOI: 10.30564/ESE.V3I1.3368

José Bavio, Carina Fernández, Beatriz Marrón

引用次数: 0

Mental Communication of Internal Speech with Communicative Associative Robot via Spectral Neurointerface 基于频谱神经接口的交际联想机器人内部言语的心理交流

Electrical Science & Engineering Pub Date : 2021-06-03 DOI: 10.30564/ESE.V3I1.3255

E. Bryndin

{"title":"Mental Communication of Internal Speech with Communicative Associative Robot via Spectral Neurointerface","authors":"E. Bryndin","doi":"10.30564/ESE.V3I1.3255","DOIUrl":"https://doi.org/10.30564/ESE.V3I1.3255","url":null,"abstract":"Thought communications with an associative-communicative robot are carried out through the spectral neurointerface of internal speech.Internal speech is an energy physiological process.Internal speech is vibration from the mental vibration of thought.Mental vibration of thought is a process in the mental ethereal field.The vibrations of thoughts are reflected and observed by the mind in the form of semantic sensual images.Vibrations of semantic sensual images generate vibrations of internal speech action (internal speech) in the form of language communicative and associative stereotypes which are perceived by a touch zone of a brain of Wernicke.Internal speech is a linguistic mental vibration.It is felt and becomes internally audible and drawn to attention.The perception of vibrations of internal speech is carried out through energy channels,such as the internal posterior median canal of the spine.The spectral neurointerface perceives these vibrations.Neocortex makes us a reasonable person - allows us to think and talk.The spectral neurointerface is based on the principles of biosensors,bioenergy detectors,spectral analyzers and electrocorticography for neuroimaging parts of the brain that record vibrations of internal speech,such as the lower frontal gyrus,the upper and middle temporal gyrus,the medial prefrontal cortex,the hind parts of the wedge and precline and the dark temporal region,including the posterior Internal speech activity is associated with the semantic memory of the neocortex.","PeriodicalId":375676,"journal":{"name":"Electrical Science & Engineering","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128726188","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: 3

Genetic Algorithm Optimization Model for Determining the Probability of Failure on Demand of the Safety Instrumented System 安全仪表系统按需故障概率确定的遗传算法优化模型

Electrical Science & Engineering Pub Date : 2019-10-31 DOI: 10.30564/ese.v1i2.994

Ahmed H. Aburawwash, M. Eissa, A. Barakat, Hossam M. Hafez

{"title":"Genetic Algorithm Optimization Model for Determining the Probability of Failure on Demand of the Safety Instrumented System","authors":"Ahmed H. Aburawwash, M. Eissa, A. Barakat, Hossam M. Hafez","doi":"10.30564/ese.v1i2.994","DOIUrl":"https://doi.org/10.30564/ese.v1i2.994","url":null,"abstract":"A more accurate determination for the Probability of Failure on Demand (PFD) of the Safety Instrumented System (SIS) contributes to more SIS realiability, thereby ensuring more safety and lower cost. IEC 61508 and ISA TR.84.02 provide the PFD detemination formulas. However, these formulas suffer from an uncertaity issue due to the inclusion of uncertainty sources, which, including high redundant systems architectures, cannot be assessed, have perfect proof test assumption, and are neglegted in partial stroke testing (PST) of impact on the system PFD. On the other hand, determining the values of PFD variables to achieve the target risk reduction involves daunting efforts and consumes time. This paper proposes a new approach for system PFD determination and PFD variables optimization that contributes to reduce the uncertainty problem. A higher redundant system can be assessed by generalizing the PFD formula into KooN architecture without neglecting the diagnostic coverage factor (DC) and common cause failures (CCF). In order to simulate the proof test effectiveness, the Proof Test Coverage (PTC) factor has been incorporated into the formula. Additionally, the system PFD value has been improved by incorporating PST for the final control element into the formula. The new developed formula is modelled using the Genetic Algorithm (GA) artificial technique. The GA model saves time and effort to examine system PFD and estimate near optimal values for PFD variables. The proposed model has been applicated on SIS design for crude oil test separator using MATLAB. The comparison between the proposed model and PFD formulas provided by IEC 61508 and ISA TR.84.02 showed that the proposed GA model can assess any system structure and simulate industrial reality. Furthermore, the cost and associated implementation testing activities are reduced.","PeriodicalId":375676,"journal":{"name":"Electrical Science & Engineering","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131423529","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

Optimal PV Allocation & Minimal tap-Changing Transformers Achieving Best Distribution Voltage Profile & Minimum Losses in Active Distribution Networks 在有功配电网中实现最佳配电电压分布和最小损耗的最佳PV分配和最小分接变压器

Electrical Science & Engineering Pub Date : 2019-10-31 DOI: 10.30564/ese.v1i2.1188

H. Soliman

{"title":"Optimal PV Allocation & Minimal tap-Changing Transformers Achieving Best Distribution Voltage Profile & Minimum Losses in Active Distribution Networks","authors":"H. Soliman","doi":"10.30564/ese.v1i2.1188","DOIUrl":"https://doi.org/10.30564/ese.v1i2.1188","url":null,"abstract":"In distribution systems, voltage levels of the various buses should be maintained within the permissible limits for satisfactory operation of all electrical installations and equipment. The task of voltage control is closely associated with fluctuating load conditions and corresponding requirements of reactive power compensation. The problem of load bus voltage optimization in distribution systems that have distributed generation (DG) has recently become an issue. In Oman, the distribution code limits the load bus voltage variations within ±6% of the nominal value. Several voltage control methods are employed in active distribution systems with a high share of photovoltaic systems (PV) to keep the voltage levels within the desirable limits. In addition to the constraint of targeting the best voltage profile, another constraint has to be achieved which is the minimum loss in the distribution network. An optimised solution for voltage of load busses with on-load tap-changing (OLTC) tarnsformers and PV sources is presesnted in this paper. This study addresses the problem of optimizing the injected power from PV systems associated with the facilities of tap-changing transformers, as it is an important means of controlling voltage throughout the system. To avoid violating tap-changing constraints, a method is depicted for determining the minimal changes in transformer taps to control voltage levels with distributed PV sources. The taps of a range + 5 to -15 %, can be achieved by tap-changing transformers. The OLTC operation was designed to keep the secondary bus within the voltage standard for MV networks.","PeriodicalId":375676,"journal":{"name":"Electrical Science & Engineering","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125219306","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

Adaptive Noise Cancellation Algorithms Implemented onto FPGA-Based Electrical Impedance Tomography System 基于fpga的电阻抗层析成像系统自适应降噪算法的实现

Electrical Science & Engineering Pub Date : 2019-10-31 DOI: 10.30564/ese.v1i2.1043

M. Baidillah, Z. Gao, Al Amin Saichul Iman, M. Takei

{"title":"Adaptive Noise Cancellation Algorithms Implemented onto FPGA-Based Electrical Impedance Tomography System","authors":"M. Baidillah, Z. Gao, Al Amin Saichul Iman, M. Takei","doi":"10.30564/ese.v1i2.1043","DOIUrl":"https://doi.org/10.30564/ese.v1i2.1043","url":null,"abstract":"Electrical Impedance Tomography (EIT) as a non-invasive of electrical conductivity imaging method commonly employs the stationary-coefficient based filters (such as FFT) in order to remove the noise signal. In the practical applications, the stationary-coefficient based filters fail to remove the time-varying random noise which leads to the lack of impedance measurement sensitivity. In this paper, the implementation of adaptive noise cancellation (ANC) algorithms which are Least Mean Square (LMS) and Normalized Least Mean Square (NLMS) filters onto Field Programmable Gate Array (FPGA)-based EIT system is proposed in order to eliminate the time-varying random noise signal. The proposed method was evaluated through experimental studies with biomaterial phantom. The reconstructed EIT images with NLMS is better than the images with LMS by amplitude response AR = 12.5%, position error PE = 200%, resolution RES = 33%, and shape deformation SD = 66%. Moreover, the Analog-to-Digital Converter (ADC) performances of power spectral density (PSD) and the effective number of bit ENOB with NLMS is higher than the performances with LMS by SI = 5.7 % and ENOB = 15.4 %. The results showed that implementing ANC algorithms onto FPGA-based EIT system shows significantly more accurate image reconstruction as compared without ANC algorithms implementation.","PeriodicalId":375676,"journal":{"name":"Electrical Science & Engineering","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114896380","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: 4