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ISO/IEC 9126 Quality Model for Evaluation of Student Academic Portal ISO/IEC 9126学生学术门户评估的质量模型
Pub Date : 2018-11-01 DOI: 10.11591/EECSI.V5.1670
E. Budiman, M. Wati, J. A. Widians, N. Puspitasari, M. Firdaus, F. Alameka
The papers discuss and evaluate the quality of student academic portal using ISO / IEC 9126 quality modeling approach. Quality factors are tested and analyzed are characteristics of Usability, Reliability, Efficiency, and Portability, this evaluation is very important, considering the number of users of the portal system so much and growing. one of the efforts to improve and optimize the performance of the academic information system management team. Evaluate the quality of the user perception approach 10 principles of usability heuristics and internal site performance testing or web server. The results of analysis and testing of 4 quality characteristics have issued several recommendations for improvement and optimization of the performance of student academic portals.
本文采用ISO / IEC 9126质量建模方法对学生学术门户网站的质量进行了讨论和评价。测试和分析的质量因素是可用性、可靠性、效率和可移植性的特征,考虑到门户系统的用户数量如此之多且不断增长,这种评估非常重要。努力提高和优化教务信息系统管理团队的绩效。评估用户感知方法的质量可用性启发式和内部网站性能测试或web服务器的10个原则。通过对4个质量特征的分析和测试结果,对学生学术门户网站的性能改进和优化提出了几点建议。
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引用次数: 14
Performance Analysis of Color Cascading Framework on Two Different Classifiers in Malaria Detection 颜色级联框架在两种不同分类器上的疟疾检测性能分析
Pub Date : 2018-11-01 DOI: 10.11591/eecsi.v5.1605
Cucun Very Angkoso, Y. F. Hendrawan, Ari Kusumaningsih, Rima Tri Wahyuningrum
Malaria, as a dangerous disease globally, can be reduced its number of victims by finding a method of infection detection that is fast and reliable. Computer-based detection methods make it easier to identify the presence of plasmodium in blood smear images. This kind of methods is suitable for use in locations far from the availability of health experts. This study explores the use of two methods of machine learning on Cascading Color Framework, ie Backpropagation Neural Network and Support Vector Machine. Both methods were used as classifier in detecting malaria infection. From the experimental results it was found that Cascading Color Framework improved the classifier performance for both in Support Vector Machine and Backpropagation Neural Network.
疟疾作为一种全球性的危险疾病,可以通过找到一种快速可靠的感染检测方法来减少其受害者人数。基于计算机的检测方法可以更容易地识别血液涂片图像中疟原虫的存在。这种方法适合在远离卫生专家的地方使用。本研究探讨了在层叠色彩框架上使用两种机器学习方法,即反向传播神经网络和支持向量机。两种方法均可作为疟疾感染检测的分类方法。实验结果表明,层叠颜色框架提高了支持向量机和反向传播神经网络分类器的分类性能。
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引用次数: 0
Analysis of Consumer Confidence on Mobile Commerce in Indonesia 印尼消费者对移动商务的信心分析
Pub Date : 2018-11-01 DOI: 10.11591/eecsi.v5i5.1606
A. Prabawati, I. P. Widyana, S. Suyoto
The rapid development of mobile-based information technology, can change an existing business process. Such as loss of distributors in a single chain of business processes. Mobile Commerce industry is getting a good condition to grow. With the decrease in Mobile communication costs, more and more people are using mobile computing devices that can connect to the Internet. There are several m-Commerce applications in Indonesia, namely Lazada, Tokopedia, Buka Lapak, Shoppee and etc. The existence of these applications in Indonesia traders switch to online stores. This study takes three examples of m-Commerce applications in Indonesia with the top three criteria in terms of the best reviews and the highest number of reviews. The results of the sampling application is Lazada, Tokopedia and Buka Lapak. The process of collecting data taken will be analyzed to know about the level of consumer confidence in an m-Commerce application. This is evidenced by a collection of examples of online stores that exist in m-Commerce applications that inform ratings, discount information and existing features. The results obtained from this research is, consumer confidence can be seen from the review feedback that exist in each - each m-Commerce. Many discounts and low prices have no effect on consumer buying interest in the online store. The researcher's suggestion is to reward the most traded buyers with points that can be redeemed for certain goods, discounted goods or subsidized postage.
基于移动的信息技术的快速发展,可以改变现有的业务流程。例如单个业务流程链中分销商的损失。移动商务行业正在获得良好的发展条件。随着移动通信成本的降低,越来越多的人开始使用可以连接到互联网的移动计算设备。印度尼西亚有几个移动商务应用程序,即Lazada, Tokopedia, Buka Lapak, Shoppee等。这些应用程序的存在使印尼的贸易商转向网上商店。本研究以印度尼西亚移动商务应用程序为例,根据最佳评论和最多评论的三个标准。抽样应用的结果是Lazada、Tokopedia和Buka Lapak。收集数据的过程将被分析,以了解消费者对移动商务应用程序的信心水平。移动商务应用程序中存在的一系列在线商店的例子证明了这一点,这些商店提供了评级、折扣信息和现有功能。本研究得出的结果是,消费者信心可以从每个移动商务中存在的评论反馈中看出。许多折扣和低价对消费者在网上商店的购买兴趣没有影响。研究者的建议是用积分奖励交易最多的买家,这些积分可以兑换某些商品、折扣商品或补贴邮资。
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引用次数: 0
Design of Hybrid System Power Management Based Operational Control System to Meet Load Demand 基于负载需求的混合动力系统电源管理运行控制系统设计
Pub Date : 2018-11-01 DOI: 10.11591/eecsi.v5.1713
Zulfatman Has, N. Nurhadi, F. Faizal
Renewable energy is an energy of unlimited sources that covering wind, sunshine and water, which can be used as sources of renewable power plants. These power plants give several advantages, but also some disadvantages, such as expensive generation costs, etc. The difficulty of being raised, due instability of renewable energy resources (RER). Aim of this study is to design power management of a hybrid system based on operational control system due to load demand. In this study, Power Management of Hybrid System used 3 power plants: Photovoltaic (PV), Wind Power, and Micro Hydro Power Plant (PLTmH), while Battery was employed as storage system. Main focus of the work was to determine the activation of each plant using Artificial Neural Network (ANN) method to fulfill the load demand. Matlab Simulink was employed to developed and simulate the ANN on the system. From results of simulation can be concluded that ANN can reach target accuracy level in 80%. When interconnecting the entire plant, the ANN experienced a misreading due to the voltage drop in each generator that affected the ANN input.
可再生能源是一种无限量的能源,涵盖了风、阳光和水,可以作为可再生发电厂的来源。这些发电厂有一些优点,但也有一些缺点,如昂贵的发电成本等。由于可再生能源(RER)的不稳定性,提高了难度。本研究的目的是设计基于运行控制系统的混合动力系统在负荷需求下的电源管理。在本研究中,混合动力系统的电源管理采用了光伏(PV)、风力发电(Wind Power)和微型水力发电厂(PLTmH) 3个电站,蓄电池作为存储系统。研究的重点是利用人工神经网络(ANN)方法确定各电厂的激活状态,以满足负荷需求。利用Matlab Simulink对该系统进行了开发和仿真。仿真结果表明,人工神经网络可以达到目标准确率的80%。当整个电厂互连时,由于每个发电机的电压降影响了人工神经网络的输入,人工神经网络经历了误读。
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引用次数: 0
Shortest Route at Dynamic Location with Node Combination-Dijkstra Algorithm 基于节点组合- dijkstra算法的动态位置最短路径
Pub Date : 2018-11-01 DOI: 10.11591/EECSI.V5.1604
Achmad Fitro, S. Suryono, R. Kusumaningrum
Online transportation has become a basic requirement of the general public in support of all activities to go to work, school or vacation to the sights. Public transportation services compete to provide the best service so that consumers feel comfortable using the services offered, so that all activities are noticed, one of them is the search for the shortest route in picking the buyer or delivering to the destination. Node Combination method can minimize memory usage and this methode is more optimal when compared to A* and Ant Colony in the shortest route search like Dijkstra algorithm, but can't store the history node that has been passed. Therefore, using node combination algorithm is very good in searching the shortest distance is not the shortest route. This paper is structured to modify the node combination algorithm to solve the problem of finding the shortest route at the dynamic location obtained from the transport fleet by displaying the nodes that have the shortest distance and will be implemented in the geographic information system in the form of map to facilitate the use of the system.
在线交通已成为广大市民的基本要求,支持所有活动去上班,上学或度假到景点。公共交通服务竞争提供最好的服务,使消费者感到舒适使用所提供的服务,使所有的活动都被注意到,其中之一是寻找最短的路线在挑选买家或交付到目的地。节点组合方法在Dijkstra算法等最短路径搜索中比A*和蚁群算法更优,但不能存储已经通过的历史节点。因此,使用节点组合算法可以很好地搜索到最短距离而不是最短路径。本文的结构是对节点组合算法进行修改,通过将距离最短的节点以地图的形式在地理信息系统中实现,解决从运输车队获得的动态位置上寻找最短路线的问题,方便系统的使用。
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引用次数: 1
User Experience Analysis of the Users Babacucu.Com Babacucu.Com用户体验分析
Pub Date : 2018-11-01 DOI: 10.11591/eecsi.v5.1654
Taruna Diyapradana, D. N. Utama, A. Fajar, Gunawan Wang
The Internet has made sharing information easier. By extension, it has also made sharing things easier. The problem is gauging the user experience of free E-commerce websites such as Babacucu.com to see whether people are interested to visit it or not. One of the elements of user experience is usability, that will be measured in this research. The methods used to measure the usability are questionnaires and usability testing with the users of Babacucu as subjects. The results of this study are the level of usability of Babacucu.com and recommendations on how to improve the site's usability.
互联网使信息共享变得更加容易。延伸开来,它也让分享变得更容易。问题是如何衡量像Babacucu.com这样的免费电子商务网站的用户体验,看看人们是否有兴趣访问它。用户体验的要素之一是可用性,这将在本研究中进行测量。测量可用性的方法是问卷调查和以Babacucu用户为对象的可用性测试。本研究的结果是Babacucu.com网站的可用性水平,并对如何提高网站的可用性提出建议。
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引用次数: 0
Optimal ANFIS Model for Forecasting System Using Different FIS 不同FIS预测系统的最优ANFIS模型
Pub Date : 2018-11-01 DOI: 10.11591/eecsi.v5.1617
D. Adyanti, Dian Candra Rini Novitasar, Ahmad Hanif Asyhar, F. Setiawan
Adaptive Network Based Fuzzy Inference System (ANFIS) using time series analize is one of intelligent systems that can be used to predict with good accuracy in all fields like in meteorology. However, some research about forecasting has less emphasis on the structure of the FIS ANFIS. Thus, in this paper, the optimization of the ANFIS model for predicting maritime weather is carried out by analyzing the appropriate initialization determinations of the three fuzzy Inference structures ANFIS which includes FIS structure 1 (grid partition), FIS structure 2 (subtractive clustering) and FIS structure 3 (fuzzy c-means clustering). In this paper, the variable input used are two hours (t-2) and one hour (t-1) before, and data at that time (t), and the output of this system is the prediction of next hour, six hours, twelve hours and next day of variable ocean currents velocity (cm/s) and wave height (m) using the three FIS ANFIS approaches. Based on the smallest goal error (RMSE and MSE) of the three FIS ANFIS approaches used to predict the ocean currents speed (velocity) and wave height, the model is best generated by subtractive clustering. It can be seen that subtractive clustering produces the smallest RMSE and MSE error values of other FIS structure.
基于自适应网络的模糊推理系统(ANFIS)是一种基于时间序列分析的智能预测系统,可用于气象学等各个领域的高精度预测。然而,一些关于预测的研究较少关注FIS的结构。因此,本文通过分析FIS结构1(网格划分)、FIS结构2(减法聚类)和FIS结构3(模糊c均值聚类)三种模糊推理结构ANFIS的适当初始化确定,对用于海上天气预测的ANFIS模型进行优化。本文使用的变量输入为前2小时(t-2)和1小时(t-1),以及当时的数据(t),系统的输出是使用三种FIS ANFIS方法对下一小时、6小时、12小时和第二天的变海流速度(cm/s)和波高(m)的预测。基于三种预测海流速度(速度)和波高的FIS ANFIS方法的最小目标误差(RMSE和MSE),采用减法聚类生成模型效果最好。可以看出,相减聚类产生的RMSE和MSE误差值是其他FIS结构中最小的。
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引用次数: 1
Determination of Router Location for Optimizing Computer Network Using Dominating Set Methods 利用支配集方法确定计算机网络优化中的路由器位置
Pub Date : 2018-11-01 DOI: 10.11591/eecsi.v5i5.1647
Nova El Maidah, Ivan Hardja, S. Slamin
The aims of this research is to develop a system to determine an optimal router location in a computer network. The router location is optimal if the computer network need the minimal number of router without losing the network connectivity. The methods used in order to optimize the router location are dominating set and Greedy algorithm. The data is the router location of computer network in University of Jember. The result showed that the optimal router needed in the networks is 4. These routers were found by using the determination system that implement Greedy algorithm to find the minimum number of dominating set.
本研究的目的是开发一个系统来确定计算机网络中的最佳路由器位置。如果计算机网络需要最少数量的路由器而又不失去网络连接,则路由器的位置是最优的。优化路由器位置的方法主要有支配集算法和贪心算法。数据是Jember大学计算机网络的路由器位置。结果表明,网络中所需的最优路由器为4。利用贪心算法求解控制集的最小个数的确定系统找到这些路由器。
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引用次数: 0
Rotor Speed Control Maximum Power Point Tracking for Small Wind Turbine 小型风力发电机转子转速控制最大功率点跟踪
Pub Date : 2018-11-01 DOI: 10.11591/eecsi.v5.1655
Ni Luh Dharmaraditya, Lazarus Stefan, F. Yusivar
— Due to the change of energy source to renewable energy, the trend of wind turbine is increased in last 5 years. Small Wind Turbine that convert kinetic energy to electric energy needs a rectifier to convert AC to DC. Rectifier used in this paper is active rectifier. Because of its power characteristics, wind turbine needs maximum power point tracking (MPPT) to track its maximum power. This paper shows that by using active rectifier, the algorithm of tracking a maximum power able to be tracked by controlling its rotor angular speed. The simulation result proves that the speed control and MPPT algorithm, perturb and observe, is able to be implemented in various wind speed.
-由于能源向可再生能源的转变,近5年来风力发电机的趋势有所增加。将动能转换为电能的小型风力涡轮机需要整流器将交流电转换为直流电。本文采用的整流器为有源整流器。由于风力发电机组的功率特性,需要最大功率点跟踪(MPPT)来跟踪其最大功率。本文提出了利用有源整流器,通过控制转子转速来跟踪最大功率的算法。仿真结果表明,在不同的风速条件下,所提出的速度控制和扰动观测算法是可行的。
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引用次数: 0
A Relative Rotation between Two Overlapping UAV's Images 两幅重叠无人机图像的相对旋转
Pub Date : 2018-11-01 DOI: 10.11591/eecsi.v5.1681
M. Tjahjadi, Fransisca Agust
In this paper, we study the influence of varying baseline components on the accuracy of a relative rotation between two overlapping aerial images taken form UAV flight. The case is relevant when mosaicking UAV's aerial images by registering each individual image. Geotagged images facilitated by a navigational grade GPS receiver on board inform the camera position when taking pictures. However, these low accuracies of geographical coordinates encoded in an EXIF format are unreliable to depict baseline vector components between subsequent overlapping images. This research investigates these influences on the stability of rotation elements when the vector components are entered into a standard coplanarity condition equation to determine the relative rotation of the stereo images. Assuming a nadir looking camera on board while the UAV platform is flying at a constant height, the resulted vector directions are utilized to constraint the coplanarity equation. A detailed analysis of each variation is given. Our experiments based on real datasets confirm that the relative rotation between two successive overlapping image is practically unaffected by the accuracy of positioning method. Furthermore, the coplanarity constraint is invariant with respect to a translation along the baseline of the aerial stereo images.
本文研究了不同基线分量对无人机飞行中两幅重叠航拍图像相对旋转精度的影响。该案例适用于对无人机航拍图像进行配准拼接。在拍照时,船上的导航级GPS接收器提供地理标记图像,通知相机位置。然而,这些以EXIF格式编码的低精度的地理坐标在描述后续重叠图像之间的基线矢量分量时是不可靠的。本文研究了将矢量分量引入标准共平面条件方程来确定立体图像的相对旋转时,这些因素对旋转单元稳定性的影响。假设无人机平台在恒定高度飞行时机载有一个最低点摄像头,利用所得矢量方向约束共平面方程。对每一种变化都作了详细的分析。我们在实际数据集上的实验证实,两幅连续重叠图像之间的相对旋转实际上不受定位方法精度的影响。此外,相对于沿基线的航空立体图像的平移,共平面约束是不变的。
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引用次数: 6
期刊
Proceeding of the Electrical Engineering Computer Science and Informatics
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