European Journal of Formal Sciences and Engineering最新文献

Design of a Conceptual Model for Improving Company Performance Based on Lean Management Applying the Viable System Model (VSM) 基于精益管理的企业绩效提升概念模型设计——应用可行系统模型(VSM)

European Journal of Formal Sciences and Engineering Pub Date : 2023-08-10 DOI: 10.2478/ejfe-2023-0011

S. García, Rayco Rodríguez Reyes, M. García

{"title":"Design of a Conceptual Model for Improving Company Performance Based on Lean Management Applying the Viable System Model (VSM)","authors":"S. García, Rayco Rodríguez Reyes, M. García","doi":"10.2478/ejfe-2023-0011","DOIUrl":"https://doi.org/10.2478/ejfe-2023-0011","url":null,"abstract":"Abstract Designing, changing and adapting organizations to secure viability is challenging for companies. Researchers often fail to holistically design or transform organizations. Thus, the aim of this study is to propose a holistic approach how organizations can be designed, changed or managed considering also its implications to production management following lean management principles. Hereby the Viable System Model was applied. This structure can be applied to any kind of structured organization and for its management with goals to be achieved in modern society; however focus of the research is the cluster of manufacturing and assembly companies. Goal of the developed organizational model is to be able to react to all potential company environments by taking decisions regarding organization and production management functions correctly and in the right moment based on the needed information. To ensure this, standardized communication channels were defined. In conclusion this proposed approach enables companies to have internal mechanisms to secure viability and also in production to reduce necessary stocks, lead times, manpower allocation and leads to an increase of the service level to the final customer.","PeriodicalId":202400,"journal":{"name":"European Journal of Formal Sciences and Engineering","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114138617","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 Flypaper Effect Phenomenon: Evidence from Indonesia 蝇纸效应现象:来自印度尼西亚的证据

European Journal of Formal Sciences and Engineering Pub Date : 2023-08-10 DOI: 10.2478/ejfe-2023-0020

Ansharullah Tasri

{"title":"The Flypaper Effect Phenomenon: Evidence from Indonesia","authors":"Ansharullah Tasri","doi":"10.2478/ejfe-2023-0020","DOIUrl":"https://doi.org/10.2478/ejfe-2023-0020","url":null,"abstract":"Abstract One of the implementations of autonomy policy is fiscal decentralization. The State gives chance to every local government for improving its fiscal ability. Original Local Government Revenue (PAD) is fiscal potency owned local government to improve local government independence to promote welfare to society. To accelerate fiscal independence of local government equally, the central government sends transfer funds in the form of General Allocation Funds (DAU) which aims to comply local government expenditure that has not fulfilled. However, problems faced is local government expenditure management still much more affected by DAU rather than PAD. It indicates that local government still depends on central government to comply expenditure called flypaper effect. This research aims to analyze the effect of PAD and DAU on local government expenditure by identifying whether occurs flypaper on provincial government in Indonesia. The method used in this research is analysis regression of panel data with Generalized Least Square (GLS). Data used is panel data from 34 provinces in Indonesia between 2008 and 2017. Based on results estimation, PAD and DAU positively and significantly affect local government expenditure. However, the DAU more affects local government expenditure compared with PAD. This exhibits that flypaper effect phenomenon occurred on provincial government in Indonesia which local government expenditure response more affected by DAU than PAD. It is happening due to the provincial government still relies on central government to comply its expenditure illustrated with high DAU transfers. This research concludes that decentralization policy in Indonesia is not effective yet. Thus, the government needs to adjust decentralization policy in order to improve regional fiscal independence.","PeriodicalId":202400,"journal":{"name":"European Journal of Formal Sciences and Engineering","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134251132","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

The Structural and Optical Properties of Perovskite Thin Films 钙钛矿薄膜的结构和光学性质

European Journal of Formal Sciences and Engineering Pub Date : 2023-04-01 DOI: 10.2478/ejfe-2023-0002

Emine Guneri, N. Ozpozan

{"title":"The Structural and Optical Properties of Perovskite Thin Films","authors":"Emine Guneri, N. Ozpozan","doi":"10.2478/ejfe-2023-0002","DOIUrl":"https://doi.org/10.2478/ejfe-2023-0002","url":null,"abstract":"Abstract Perovskite materials have many interesting properties such as modulation of the optical band gap and the properties of quantum wells. In addition, they have a stable structure. For these reasons, perovskites have attractive properties for optoelectronic devices. Additionally, the structural and optical properties can be changed by means of different halide atoms doped into materials. In this study, the effect of iodine on the structural, and optical properties of perovskite thin films was investigated. KCaCl2 I and KCaCl3 perovskite were prepared by chemical bath deposition on a glass substrate. The crystal structures of the films were determined by X-ray diffraction. X-Ray Diffraction (XRD) analysis revealed that the films had a crystalline structure. In addition, KCaCl2 I perovskite thin film has better crystalline than KCaCl3 perovskite thin films. Linear optical parameters were determined using transmittance and absorbance measurements. And then, the optical band gap values, extinction coefficient, refractive index, and dielectric constants were determined as linear optical properties. It was understood that these properties were affected by iodine.","PeriodicalId":202400,"journal":{"name":"European Journal of Formal Sciences and Engineering","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133771930","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

Transfer of Personal Data to Third Countries and the “Equivalent Level” of Protection According to the European Court of Justice 根据欧洲法院的规定，将个人数据转移到第三国和“同等水平”的保护

European Journal of Formal Sciences and Engineering Pub Date : 2023-04-01 DOI: 10.2478/ejfe-2023-0001

Emanuela Furramani

{"title":"Transfer of Personal Data to Third Countries and the “Equivalent Level” of Protection According to the European Court of Justice","authors":"Emanuela Furramani","doi":"10.2478/ejfe-2023-0001","DOIUrl":"https://doi.org/10.2478/ejfe-2023-0001","url":null,"abstract":"Abstract The focus of this study is the transfer of personal data to third countries or international organizations according to EU Regulation No. 679/2016 (GDPR) on the protection of personal data. The primary goal of this Regulation concerning data transfer to third countries is to ensure that the subject’s rights and freedoms are safeguarded at the same level as provided by GDPR. According to GDPR, before any transfer to a third country or international organization, it must first be ascertained whether the European Commission has established that a third country ensures an adequate level of protection. Regarding personal data protection in the third state, the Court of Justice of the European Union has intervened on different occasions. In the last decision, in 2020, the Court declared invalid the European Commission’s Decision No. 2016/1250 on the adequacy of the protection provided by the EU-US Privacy Shield (CJEU, Schrems II, 2020, July 16) because it does not provide effective and enforceable rights for personal data subjects in cases of interference. According to the Court of Justice of the European Union, the US does not guarantee an “essentially equivalent” level of protection to that provided by the European Union under Article 45(1) GDPR, read in conjunction with Articles 7, 8, and 47 of the European Union’s Charter of Fundamental Rights, which guarantee respect for private and family life, personal data protection, and the right to effective judicial protection.","PeriodicalId":202400,"journal":{"name":"European Journal of Formal Sciences and Engineering","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126374071","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 New Integral Transform: “NE Transform” and Its Applications 新的积分变换:“NE变换”及其应用

European Journal of Formal Sciences and Engineering Pub Date : 2023-04-01 DOI: 10.2478/ejfe-2023-0003

Ervenila Musta Xhaferraj

引用次数: 1

Fragility of Built Urban Objects to Vicious Attacks: Assessment by Means of Limited Data on Abnormal Violent Actions 城市建筑对象对恶性攻击的脆弱性:基于异常暴力行为有限数据的评估

European Journal of Formal Sciences and Engineering Pub Date : 2022-04-01 DOI: 10.26417/792afl34

E. Vaidogas

{"title":"Fragility of Built Urban Objects to Vicious Attacks: Assessment by Means of Limited Data on Abnormal Violent Actions","authors":"E. Vaidogas","doi":"10.26417/792afl34","DOIUrl":"https://doi.org/10.26417/792afl34","url":null,"abstract":"Abstract An assessment of fragility of objects built (constructed) in urban environment to deliberately imposed abnormal actions (loads) is considered. The actions under analysis are explosions, vehicular impacts and fires that can be imposed by acts of terrorism and sabotage as well as such highly random events as car crashes into structures due to unintentional roadway departures. The fragility is assessed by means of mathematical models known as fragility functions and developed for vulnerable building and transportation structures, protective barriers, and energy supply facilities. The result of fragility assessment is the probability of the damage that can be foreseen and modelled by means of mathematical models used for structural analysis. The case is studied where information on an abnormal action can be expressed in the form of a small-size statistical sample with components acquired in post-mortem investigations of attacks or unintentional accidents. The basic idea is an application of the statistical (bootstrap) resampling for the estimation the damage probability. The resampling procedure is applied to values of the fragility function that can be developed for the damage caused by the abnormal action in question. The values of the fragility function are estimated for components of the small-size sample of abnormal action values. The resampling of the fragility function values yields a conservative estimate of the damage probability expressed by the limit of a one-sided confidence interval. The estimate of the damage probability can be applied to making decisions concerning the level of resilience of vulnerable urban objects.","PeriodicalId":202400,"journal":{"name":"European Journal of Formal Sciences and Engineering","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127664292","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

Optimizing Project Management using Artificial Intelligence 利用人工智能优化项目管理

European Journal of Formal Sciences and Engineering Pub Date : 2022-04-01 DOI: 10.26417/667hri67

V. Prifti

引用次数: 1

Temperature Control System Using Mobile Application Interface 基于移动应用界面的温度控制系统

European Journal of Formal Sciences and Engineering Pub Date : 2022-01-01 DOI: 10.26417/729pbt84

Ana Carolina Mariath Magalhães Corrêa e Castro, Mário Mestria

{"title":"Temperature Control System Using Mobile Application Interface","authors":"Ana Carolina Mariath Magalhães Corrêa e Castro, Mário Mestria","doi":"10.26417/729pbt84","DOIUrl":"https://doi.org/10.26417/729pbt84","url":null,"abstract":"Abstract Temperature control becomes increasingly necessary with each day, be it in industrial, commercial or residential environments. In a similar way, technology has become a common tool in everyday life. Thus, the technologies need to accompany advances in the controls of processes in many fields, creating applications that can be used in mobile devices alongside these processes. Therefore, this paper proposes temperature monitoring of an environment, via Bluetooth wireless communication and with interface display on a mobile application, developed in MIT App Inventor. While implementing commands via hardware and software a procedure to lower room temperature was applied through a ventilation system. The data are collected through a DHT11 temperature sensor, and the wireless communication is through a HC-05 Bluetooth module, both connected to the development board Arduino. It was possible to condition the cooler to work accordingly with a preset temperature range by using its IDE (Integrated Development Environment). Thereby, this project is a low-cost and advantageous alternative to temperature control and monitoring supported by technological advancements.","PeriodicalId":202400,"journal":{"name":"European Journal of Formal Sciences and Engineering","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134532291","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

Influence of Nano Phase Change Materials on the Desalination Performance of Double Slope Solar Still 纳米相变材料对双斜面太阳能蒸馏器脱盐性能的影响

European Journal of Formal Sciences and Engineering Pub Date : 2021-10-15 DOI: 10.26417/376bpl46s

T. Sasilatha, R. Elavarasi, V. Karthikeyan

{"title":"Influence of Nano Phase Change Materials on the Desalination Performance of Double Slope Solar Still","authors":"T. Sasilatha, R. Elavarasi, V. Karthikeyan","doi":"10.26417/376bpl46s","DOIUrl":"https://doi.org/10.26417/376bpl46s","url":null,"abstract":"Abstract Solar still is the ancient low cost device to distillate the saline water. Paraffin is a kind of phase change material which has a thermal storage characteristic and it can absorb and release a large amount of latent heat during the phase transition process. Ethylene Glycol was used as a PCM to study the thermal characteristics of water and absorption rate. A Nano phase change material plays a vital role in solar energy conversion and is used to enhance the thermal conductivity behavior on thermal energy storage systems. Materials at the nanoscale have a larger surface area and it has higher thermal properties than the macro particles. Incorporating NPCM into basin material helps to improve the productivity and the evaporation rate. The performance of the single basin double slope solar still was higher than the single slope solar still. Despite significant efforts, there are some challenges, such as the thermo physical properties of basin material, flow rate, insulation material and thickness that must be overcome in order for this technique to be useful in practice. In this paper, a detailed comparison of the various solar stills, designs, fabrications and water production analyses are discussed. Hence it is confirmed that NPCM has a higher potential than PCM for saline water desalination processes. This study confirmed that the Paraffin composites are stable up to 160°C and it increases the efficiency due to increased thermal properties of NPCM.","PeriodicalId":202400,"journal":{"name":"European Journal of Formal Sciences and Engineering","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121716959","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 Design of a Tomato Powder Processing Plant with a Capacity of 75,000 Tonnes Per Annum in Oyo State, Nigeria, West Africa 西非尼日利亚奥约州年产75,000吨番茄粉加工厂的设计

European Journal of Formal Sciences and Engineering Pub Date : 2021-10-15 DOI: 10.26417/332lsy90d

O. N. Ebuehi

{"title":"The Design of a Tomato Powder Processing Plant with a Capacity of 75,000 Tonnes Per Annum in Oyo State, Nigeria, West Africa","authors":"O. N. Ebuehi","doi":"10.26417/332lsy90d","DOIUrl":"https://doi.org/10.26417/332lsy90d","url":null,"abstract":"Abstract This project designed a plant that will process 250 tonnes of raw tomatoes per day. The duration of this production was spread across 24 hours and operated for 300 days in a year, which gave a yield of 17.5 tons of tomato powder per day. From these specifications, the best process route was synthesized. The process route selected involved choosing and sorting the tomatoes, washing, blanching, blending, spray drying (as the drying process), packaging and labeling. Through a series of investigations, the most feasible way to dry tomato powder on an industrial scale proved to be the spray-drying method because the process was very rapid, required low labor cost, and was relatively simple to operate and sustain. The particle size was also easy to control with this technology, making it easy to correlate with product standards. The equipment to be used was then identified which included the machine vision, a spray washer, a water Blancher, an industrial blender, a spray dryer, and a powder packaging machine. Material and energy balance were evaluated around the whole plant. A process flow diagram and basic piping and instrumentation diagram were also computed using engineering software such as Microsoft Visio. From the previous work done, the selected process unit, the spray dryer, was designed with a detailed piping and instrumentation diagram made around it. The site of the plant was resolved, adjacent oriental foods along the Lagos-Ibadan Expressway. It was necessary to site the plant in an area where raw materials can easily be delivered to. The area selected was directly linked to a major highway, the Lagos-Ibadan Expressway, thereby making transport quite affordable. The site layout alongside the plant layout was constructed. The layouts clearly showed the standard flow process.","PeriodicalId":202400,"journal":{"name":"European Journal of Formal Sciences and Engineering","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130500066","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