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Wind Power Penetration and Integration in Rwanda 卢旺达的风力发电渗透和整合
IF 3 Q1 Social Sciences Pub Date : 2022-03-24 DOI: 10.53819/81018102t4035
Celestin Niyonzima
Wind energy is the current “star” in the field of renewable energy for electrical production. Still, the power generated from available wind over time is characteristically uneven due to the unpredictable nature of their primary source of power. This only increases the problems inherent to the integration of a great number of wind technologies into power networks, making their contribution rather difficult to manage (regulating voltage and frequency, wind-station operation, etc.). The integration of wind power in the Rwandan electrical system is now an issue in order to optimize the utilization of the resource and in order to continue the high rate of installation of wind generating capacity, which is necessary in order to achieve the goals of sustainability and security of supply. This paper presents and is intended to analyse wind power penetration and integration in the country, impact and challenges that are associated with the integration of wind power into power systems and analyse barriers to wind power penetration and integration in Rwanda. These impacts include effects of wind power on the electrical system, capacity of national grid to accommodate wind power (stability of grid). In addition, the paper suggests the solutions that should be offered to improve the management of wind power generation and increase its penetration in the overall electrical energy production. Keywords: Wind power potential, Wind power penetration, Barriers to wind power penetration, National grid of Rwanda, Integration.
风能是目前电力生产可再生能源领域的“明星”。尽管如此,由于主要电力来源的不可预测性,随着时间的推移,可用风能产生的电力通常是不平衡的。这只会增加将大量风能技术整合到电网中所固有的问题,使它们的贡献难以管理(调节电压和频率,风力发电站的运行等)。将风力纳入卢旺达电力系统现在是一个问题,以便使资源的利用达到最佳,并继续保持风力发电能力的高安装率,这是实现供应的可持续性和安全目标所必需的。本文介绍并旨在分析该国的风电渗透和整合,与风电整合到电力系统相关的影响和挑战,并分析卢旺达风电渗透和整合的障碍。这些影响包括风力发电对电力系统的影响,国家电网容纳风力发电的能力(电网的稳定性)。此外,本文还提出了完善风电管理,提高风电在整体电力生产中的渗透率的解决方案。关键词:风电潜力,风电渗透,风电渗透障碍,卢旺达国家电网,一体化
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引用次数: 0
Perancangan E-library BNI Corporate University BNI企业大学Perancangan电子图书馆
IF 3 Q1 Social Sciences Pub Date : 2022-03-15 DOI: 10.32938/jitu.v2i1.2420
Teddy Gunnar Solkjaer
The rapid development of websites both in terms of users and supporting technology has encouraged the emergence of many website creation service providers, one of which is BNI. Digital Library is the application of information technology as a means to store, obtain, and disseminate scientific information in digital format. Or in a simple analogy as a place to store library collections that are already in digital form.
网站在用户和支持技术方面的快速发展促使了许多网站创建服务提供商的出现,BNI就是其中之一。数字图书馆是应用信息技术,以数字形式存储、获取和传播科学信息的一种手段。或者打个简单的比方,作为存储已经以数字形式存在的图书馆馆藏的地方。
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引用次数: 0
Information system design for alumni of Ma Chung University's information systems study program 马忠大学资讯系统研习计划校友之资讯系统设计
IF 3 Q1 Social Sciences Pub Date : 2022-03-14 DOI: 10.32938/jitu.v2i1.2019
Renny Diana Syafitri
The Alumni Information System is needed to help and make it easier to manage alumni data, a forum for communication between alumni and study programs, alumni and lecturers, alumni with alumni themselves, and alumni with their younger siblings (active students). So this research was made to help solve the problems of the Ma Chung University Information Systems Study Program to manage data and maintain close familial relationships between alumni and study programs.
校友信息系统是校友与学习项目、校友与讲师、校友与校友之间、校友与弟妹(在校学生)之间交流的论坛,它可以帮助校友更容易地管理校友数据。因此,本研究旨在协助马涌大学资讯系统研习计划管理资料及维持校友与研习计划之间紧密的家庭关系。
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引用次数: 0
Perancangan Sistem Data Wirehouse untuk Meningkatkan Kinerja Pelayanan Bantuan Bagi Masyarakat pada Kantor Lurah Oebobo dengan Menggunakan Borland Delphi 7.0 设计无线数据系统,利用Borland德尔福7.0为Oebobo办公室的社区提供服务
IF 3 Q1 Social Sciences Pub Date : 2022-03-14 DOI: 10.32938/jitu.v2i1.2410
Hevi Herlina Ullu, Reany Yonanthi Mbeo, Donzilio Antonio Meko
Abstract - Computer technology represent important medium which used in various actifity management of governance. But that way the applications in computer technology still have common traits, and there is no application which in making special for the making of bank statement able to water down service of aid to society in braiding cooperation between governmental institution and society. Result of which obtaining from this research is a System Data of Warehouse able to in utilizing to assist increase service of aid to society which in the form of giving certificate.
摘要:计算机技术是治理各种活动管理的重要媒介。但这种方式在计算机技术上的应用仍然具有共性,在制作银行对账单方面没有一种应用能够淡化政府机构与社会合作中的社会援助服务。本研究的结果是一个能够以发放证书的形式帮助增加社会救助服务的仓库系统数据。
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引用次数: 0
Penerapan Data Mining Pengelompokan Hasil Diagnosa Pasien BPJS Berdasarkan Usia Menggunakan Metode Clustering (Studi Kasus: RSU Bidadari Binjai) 根据年龄对BPJS患者诊断分类的应用采用Clustering方法(案例研究:
IF 3 Q1 Social Sciences Pub Date : 2022-03-13 DOI: 10.32938/jitu.v2i1.1036
Leny Widiya Pa
The hospital is a health service institution that provides complete individual health services that provide inpatient services. Because the large number of patient data in the hospital makes it difficult for the administration to process existing data and information, the authors want to group patient data at the hospital to produce information. and can also facilitate the hospital in providing information to patients. Cluster is finding a collection of objects in a group that are the same (or have a relationship) with others and different (or not related) with objects in other groups. The purpose of cluster analysis is to minimize the distance within the cluster and maximize the distance between clusters. And the Centroid on the cluster is the center point. From the tests carried out using the clustering method with the k-means algorithm, it can be seen that cluster 2 of the criteria for disease symptoms, diagnosis results, age, group that has the highest set / value and the most patient diagnosis data, namely in Cluster 1 totaling 825. Patient data with diagnosis results using BPJS on Symptoms of High Fever and the diagnosis is Asthma, then age is> 60 years. and the most intermediate data on patients who experience delinquency, namely in Cluster 1 amounted to 595 patient data with a diagnosis using BPJS on Symptoms of High Fever and the diagnosis is anemia, then the age used is> 60 years.
医院是提供完整的个人保健服务的保健服务机构,提供住院服务。由于医院中大量的患者数据使管理部门难以处理现有的数据和信息,因此作者希望对医院的患者数据进行分组以产生信息。并且还可以方便医院向患者提供信息。集群是在组中寻找与其他组中的对象相同(或有关系)而与其他组中的对象不同(或不相关)的对象集合。聚类分析的目的是最小化聚类内的距离,最大化聚类之间的距离。而簇上的质心就是中心点。通过k-means算法的聚类方法进行的检验可以看出,疾病症状、诊断结果、年龄、集/值最高的组和患者诊断数据最多的标准的聚类2,即在聚类1中,共825个。患者资料与BPJS对高热症状的诊断结果一致,诊断为哮喘,年龄> 60岁。犯罪行为患者的中间数据最多,即聚类1中有595例患者数据,使用BPJS对高热症状进行诊断,诊断为贫血,则使用的年龄> 60岁。
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引用次数: 0
Penerapan Algoritma K-Means Tingkat Kesehatan Bayi (Studi Kasus :Dinas Kesehatan Kota Binjai) 基于基于婴儿健康水平的算法的应用(案例研究:Binjai市卫生部门)
IF 3 Q1 Social Sciences Pub Date : 2022-03-13 DOI: 10.32938/jitu.v2i1.1116
Roma Uli Br Sitanggang
The Binjai City Health Office always conducts counseling and weighing for babies and provides information to parents about nutrition and health for babies and provides information to parents about nutrition and health in children so they are not susceptible to disease. Due to limited knowledge of parents about health and nutrition In infants, it is very worried about children who are malnourished and cause children to be easily infected with viruses and diseases, both minor and dangerous diseases. Cluster analysis is the work of classifying data (objects) based only on the information found in the data that describes these objects and the relationships between them. Objects that are joined in a group are objects that are similar (or related) to each other and different (not related) to objects in other groups. One of the most widely used methods in the cluster method is the K-Means algorithm. From the tests carried out using the clustering method with the k-means algorithm, cluster 2 of the criteria for age, body weight, body length, and motor ability, the group that has the highest and most set / value, namely in Cluster 2 totals 624 data on infant health levels. and in cluster 2 in the group of babies aged 4-6 months and weighing 4-8 kg and 55-63.5 cm long and having the ability to crawl, try to stand with assistance. And it can be seen that the 3 clusters of the criteria for Age, Weight, Body Length, and Motoric ability, the group that has the highest and most sets / values, namely in Cluster 2 totaling 368 data on the health level of infants and in cluster 2 in the group of infants aged 4-6 months. and has a body weight of 4-8 kg and a display body of 55-63.5 cm and has the ability to crawl, materials to try to stand up with assistance. And it can be seen that the 3 clusters of the criteria for age, weight, body length, and motor ability, the group that has the highest and most sets / values, namely in Cluster 4 totaling 348 data on infant health levels and in cluster 4 in the group of infants aged 7-9 months and has a body weight of 4-8 kg and a body length of 55-63.5 cm and has the ability to crawl, move the buttocks, roll, or a combination of various movements.
滨江市卫生局一直为婴儿进行咨询和称重,向父母提供婴儿营养和健康方面的信息,并向父母提供儿童营养和健康方面的信息,使他们不容易生病。由于父母对婴儿的健康和营养知识有限,非常担心孩子营养不良,导致孩子容易感染病毒和疾病,无论是轻微的还是危险的疾病。聚类分析是仅根据在数据中发现的描述这些对象的信息及其之间的关系对数据(对象)进行分类的工作。在组中加入的对象是彼此相似(或相关)且与其他组中的对象不同(不相关)的对象。聚类方法中应用最广泛的方法之一是K-Means算法。从使用k-means算法的聚类方法进行的测试中,年龄、体重、体长和运动能力标准的聚类2中,集/值最高和最多的组,即聚类2中总共有624个婴儿健康水平数据。第二组是4-6个月大的婴儿,体重4-8公斤,长55-63.5厘米,有爬行能力,试着在帮助下站立。可以看出,年龄、体重、体长和运动能力标准的3个聚类中,集/值最高和最多的一组,即聚类2中有368个婴儿健康水平数据,聚类2中有4-6个月的婴儿。并具有4-8公斤的体重和55-63.5厘米的显示体,并具有爬行的能力,在材料的帮助下尽量站起来。和可以看出3集群的标准年龄、体重、体长、和运动能力,该集团的最高和最集/价值观,即集群4总计348婴儿健康水平和数据在集群4组的婴儿7 - 9个月,体重4 - 8公斤,体长55 - 63.5厘米,爬行的能力,移动臀部,滚,或者各种动作的结合。
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引用次数: 0
Online learning readiness and online learning system success in Vietnamese higher education 越南高等教育的在线学习准备和在线学习系统的成功
IF 3 Q1 Social Sciences Pub Date : 2022-02-24 DOI: 10.1108/ijilt-03-2021-0044
L. Pham, Thoa Thi Kim Dau
PurposeThe article aims examine an integrated model of the technology acceptance model (TAM), the unified theory of acceptance and use of technology (UTAUT) and DeLone and McLean information systems (D&M IS) success model to determine the effects of online learning readiness (OLR) on learners' online learning system (OLS) usage and their satisfaction. The authors also investigate the relationship between performance expectancy, effort expectancy, social influence and OLR of students. Moreover, this work examines the mediate role of learner satisfaction in the linking of OLS usage and performance in Vietnamese higher education.Design/methodology/approachA total of 558 valid questionnaires were collected from students at five large universities in Vietnam to test the fit of proposed model, measurement model and structural relationships between constructs by using partial least squares (PLS) path analytics.FindingsPerformance expectancy, effort expectancy and social influence have significant positive effects on OLR of students in online learning context. OLR has a positive impact on both learner satisfaction and OLS usage. The learner performance is significantly influenced by satisfaction while it is indirectly affected by OLS usage via satisfaction. In addition, OLS usage plays as a partial mediation variable in the relationship between OLR and satisfaction. The path model could explain 56% of variance of the learner performance.Research limitations/implicationsThis study has a few limitations. First, this study is cross-sectional, which allows the elaboration of correlations between variables but lacks confidence in causality exploration. Second, the self-reported data are inherently subjective, which might generate biased results in measuring learner performance.Practical implicationsThis research has implications for instructors and higher education organizations. The findings provide insights for instructors to manage efficiently the OLS adoption of students. Higher education organizations should understand and identify factors in terms of OLR, OLS usage, learner satisfaction and learner performance when OLSs are implemented in university. Performance expectancy, effort expectancy and social influence have been criticized for considering OLR.Originality/valueThis is the first empirical study to determine relationship between performance expectancy, effort expectancy, social influence, OLR, OLS usage, satisfaction and performance in the context of online learning environment in Vietnam.
目的研究技术接受模型(TAM)、技术接受与使用统一理论(UTAUT)和DeLone和McLean信息系统(D&M IS)成功模型的集成模型,以确定在线学习准备(OLR)对学习者在线学习系统(OLS)使用及其满意度的影响。作者还调查了学生的成绩预期、努力预期、社会影响和OLR之间的关系。此外,本研究还考察了学习者满意度在越南高等教育中OLS使用与表现之间的中介作用。设计/方法/方法从越南五所大型大学的学生中收集了558份有效问卷,通过偏最小二乘(PLS)路径分析来测试所提出的模型、测量模型和结构之间的结构关系的拟合度。研究结果:在网络学习环境中,表现预期、努力预期和社会影响对学生的OLR有显著的正向影响。OLR对学习者满意度和OLS使用都有积极影响。学习者的表现受到满意度的显著影响,而通过满意度间接受到OLS使用的影响。此外,OLS的使用在OLR和满意度之间的关系中起着部分中介变量的作用。路径模型可以解释学习者表现的56%的方差。研究局限性/含义这项研究有一些局限性。首先,这项研究是横断面的,它允许详细阐述变量之间的相关性,但对因果关系探索缺乏信心。其次,自我报告的数据本质上是主观的,这可能会在衡量学习者表现时产生有偏见的结果。实践意义本研究对教师和高等教育组织具有启示意义。研究结果为教师有效管理学生采用OLS提供了见解。在大学实施OLS时,高等教育组织应了解并确定OLR、OLS使用、学习者满意度和学习者表现等方面的因素。绩效预期、努力预期和社会影响因考虑OLR.Originality/value而受到批评。这是第一项确定越南在线学习环境中绩效预期、工作预期、社会影响、OLR、OLS使用、满意度和绩效之间关系的实证研究。
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引用次数: 7
A data mining approach using machine learning algorithms for early detection of low-performing students 一种使用机器学习算法的数据挖掘方法,用于早期检测表现不佳的学生
IF 3 Q1 Social Sciences Pub Date : 2022-02-24 DOI: 10.1108/ijilt-09-2021-0144
E. Khor
PurposeThe purpose of the study is to build predictive models for early detection of low-performing students and examine the factors that influence massive open online courses students' performance.Design/methodology/approachFor the first step, the author performed exploratory data analysis to analyze the dataset. The process was then followed by data pre-processing and feature engineering (Step 2). Next, the author conducted data modelling and prediction (Step 3). Finally, the performance of the developed models was evaluated (Step 4).FindingsThe paper found that the decision trees algorithm outperformed other machine earning algorithms. The study also confirms the significant effect of the academic background and virtual learning environment (VLE) interactions feature categories to academic performance. The accuracy enhancement is 17.66% for decision trees classifier, 3.49% for logistic regression classifier and 4.89% for neural networks classifier. Based on the results of CorrelationAttributeEval technique with the use of a ranker search method, the author found that the assessment_score and sum_click features are more important among academic background and VLE interactions feature categories for the classification analysis in predicting students' academic performance.Originality/valueThe work meets the originality requirement.
目的本研究旨在建立早期发现成绩不佳学生的预测模型,并考察影响大规模开放在线课程学生成绩的因素。设计/方法论/方法第一步,作者进行了探索性数据分析来分析数据集。该过程之后是数据预处理和特征工程(步骤2)。接下来,作者进行了数据建模和预测(步骤3)。最后,对所开发的模型的性能进行了评估(步骤4)。发现决策树算法优于其他机器学习算法。研究还证实了学术背景和虚拟学习环境(VLE)互动特征类别对学习成绩的显著影响。决策树分类器、逻辑回归分类器和神经网络分类器的准确率分别提高了17.66%、3.49%和4.89%。基于CorrelationAttributeEval技术和ranker搜索方法的结果,作者发现在预测学生学习成绩的分类分析中,评估_核心和sum_点击特征在学术背景和VLE交互特征类别中更为重要。独创性/价值这件作品符合独创性的要求。
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引用次数: 3
“Buslish” in East and Southeast Asian business – a role for continuing education 东亚和东南亚商业中的“Buslish”——继续教育的作用
IF 3 Q1 Social Sciences Pub Date : 2022-02-23 DOI: 10.1108/ijilt-10-2021-0158
M. Foster, Christopher Richardson
PurposeThe aim of the research, in the East and Southeast Asia context, is to explore the advantages and problems of Buslish (business facilitation English) for managers and to generate suggestions for maximising the use of Buslish as a critical resource in organisational effectiveness, including potential educational support and its required technology.Design/methodology/approachData aimed to explore the issue were collected from a multi-country sample of 31 non-native English speakers, using a semi-structured questionnaire, plus in-depth interviews (10) with some respondents. Data were analysed using a mixture of descriptive statistics and logical argumentation.FindingsThe authors found a strong agreement that Buslish is important in the chosen setting, but there are problems in practice. Views on the importance of style and precision of the language actually used varied considerably. A key practical implication is that there is a role for English continuing professional development (CPD) courses.Practical implicationsFirms should support the development of English language skills of employees, certainly at management level and perhaps also at shop floor level. Suitable courses could be offered in firms' CPD programmes. Employees who are native speakers should be encouraged to enunciate clearly for non-native speaker colleagues, not to use slang and not to speak too quickly. While the authors encourage the use of contemporary communication technologies (e.g. virtual classrooms), they maintain that these should be supplementary in nature, supporting, rather than replacing, face-to-face learning formats.Originality/valueA key aspect of the originality of the work is derived from the specific location, primary data collected and the creative nexus of the initial issue and its educational requirements, including technologies.
目的在东亚和东南亚背景下,这项研究的目的是探索Buslish(商务促进英语)对管理者的优势和问题,并提出建议,最大限度地利用Buslish作为组织有效性的关键资源,包括潜在的教育支持及其所需的技术。设计/方法/方法旨在探讨这一问题的数据是从31名非英语母语者的多国样本中收集的,使用半结构化问卷,再加上对一些受访者的深入访谈(10)。数据采用描述性统计和逻辑论证相结合的方法进行分析。发现作者们一致认为,在选定的环境中,英语很重要,但在实践中也存在问题。对于实际使用的语言的风格和准确性的重要性,人们的看法大相径庭。一个关键的实际含义是,英语持续专业发展(CPD)课程发挥着作用。实际含义公司应该支持员工英语语言技能的发展,当然是在管理层,也许也在车间层面。可以在公司的持续专业发展课程中提供合适的课程。应鼓励母语为母语的员工为非母语的同事清晰发音,不要使用俚语,也不要说得太快。虽然作者鼓励使用现代通信技术(如虚拟教室),但他们坚持认为,这些技术本质上应该是补充性的,支持而不是取代面对面的学习形式。独创性/价值作品独创性的一个关键方面来自于特定的地点、收集的原始数据以及最初问题的创造性联系及其教育要求,包括技术。
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引用次数: 0
Influence of Information Technology on Service Delivery among the Customer Care Centers in Switzerland 信息技术对瑞士客户服务中心服务提供的影响
IF 3 Q1 Social Sciences Pub Date : 2022-02-11 DOI: 10.53819/81018102t5046
Auseklis Lichtsteiner
Technology is essential to contemporary customer service. IT has actually led and continues to contribute to enhanced effectiveness and performance in service delivery. The study sought to examine the role of it on enhancing service delivery in customer care centers in Switzerland. The acquisition and application of any modern technology should consequently be done with the vital stakeholders in mind. Service organizations have actually made use of technology to enhance their performance. The internet has the ability to bring lots of choices right into the hands of the customer and has actually enhanced the speed of globalization. Those organizations which are focused on development and improvement are required to invest in technology as it has an influence on service delivery. The study embraced the descriptive study design. The target population consisted customers. Especially, the target population was 400 individuals. The data collection tools consisted surveys. The data was analyzed making use of both descriptive and inferential statistics. The research concluded that the use of technology has a positive impact on enhancing service delivery in the customer care centers. Information technology is essential in enhancing services delivery to the clients. The level of technology adoption affects the service delivery which indicates that if the level of innovation is enhanced in the operations of the customer care centers, after that the efficiency in service delivery will also increase. The study advises that customer care centers must ensure that they take on the technology for the improvement of service delivery. A lot of the services need to be used online by customers in order to increase service provision.
技术对当代客户服务至关重要。事实上,资讯科技已领导并继续为提高服务提供的效率和表现作出贡献。该研究旨在审查它在加强瑞士客户服务中心的服务提供方面的作用。因此,任何现代技术的获取和应用都应考虑到重要的利益相关者。服务组织实际上已经利用技术来提高他们的绩效。互联网有能力把大量的选择直接送到客户手中,并实际上提高了全球化的速度。那些注重发展和改进的组织需要对技术进行投资,因为它对服务的提供有影响。该研究采用描述性研究设计。目标人群包括顾客。特别是,目标种群为400只。数据收集工具包括调查。利用描述性统计和推理统计对数据进行了分析。研究表明,技术的使用对提高客户服务中心的服务质量有积极的影响。资讯科技是加强向客户提供服务的关键。技术采用水平影响服务的提供,这表明如果客户服务中心在运营中提高创新水平,那么服务的提供效率也会提高。该研究建议,客户服务中心必须确保他们采用技术来改进服务交付。为了增加服务供应,许多服务需要由客户在线使用。
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引用次数: 0
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International Journal of Information and Learning Technology
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