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2017 International Conference on Electrical Engineering and Computer Science (ICECOS)最新文献

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Evaluation and mitigation of underground gas pipeline coating stress due to nearby lightning stroke 附近雷击对地下输气管道涂层应力的评价与缓解
Pub Date : 2017-08-01 DOI: 10.1109/ICECOS.2017.8167148
M. I. Mousa, Z. Abdul-Malek, Visa Musa Ibrahim, Ali Elgayar, Z. Nawawi, M. Sidik, M. Jambak
Rapid economic developments have forced power networks and pipeline networks to share the same pathway. Induced voltages and currents appear on pipelines running parallel with high voltage transmission line when the transmission line is hit by lightning strike. In this study, a simulation had been carried out to determine the first lightning stroke effect on an underground pipeline coating stress. CDEGS software was used to solve Maxwell equations; in particular, HIFREQ and FFTSES tools were utilized. A 2-km underground pipeline and a 345-kV transmission line (TL) tower had been modeled. A suitable TL-pipeline distance need to determined based on lightning current, surrounding soil properties, and coating withstand voltage. In addition, horizontal and vertical rods are able to reduce the overvoltage across the coating. The first layer soil resistivity and thickness are important factors to be considered when carrying out mitigation in a non-uniform soil.
快速的经济发展迫使电网和管道网络共用同一条路径。高压输电线路受到雷击时,与高压输电线路并联的管道会产生感应电压和感应电流。本文采用模拟的方法研究了一次雷击对地下管线涂层应力的影响。采用CDEGS软件求解Maxwell方程;特别是利用了HIFREQ和FFTSES工具。模拟了一条2公里长的地下管道和一座345千伏输电线路(TL)塔。合适的tl -管线距离需要根据雷电电流、周围土壤性质、涂层耐压等因素确定。此外,水平和垂直棒能够减少过电压横跨涂层。在非均匀土中进行缓减时,第一层土壤电阻率和厚度是需要考虑的重要因素。
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引用次数: 1
Lightning data mapping of West Java province 西爪哇省闪电数据映射
Pub Date : 2017-08-01 DOI: 10.1109/ICECOS.2017.8167154
B. Harsono, B. S. Munir, N. W. Priambodo
Historical lightning data could be use to evaluate certain transmission line in power system network. By using historical data from lightning detection system with combined Magnetic Direction Finder and Time of Arrival method, lightning data mapping for West Java province was presented in this paper. According to the lightning data mapping from total recorded event, the peak current of the lightning was mostly ranged within 10 kA to 15 kA with median peak current value up to 20 kA. Bogor and Bandung had relatively high lightning density among other area within West Java province. Evaluation of lightning exposure for 150 kV transmission line on Bogor and Bandung were presented to determine which segment of the transmission line should be set as priority during routine monitoring and maintenance. Transmission fault or reclose event analysis using recorded lightning data was presented as a recommendation for further maintenance on the tower part prior to fault or reclose event, e.g., insulation string, ground wire or tower grounding.
历史雷电数据可用于电力系统网络中某条输电线路的评估。利用磁向仪与到达时间法相结合的雷电探测系统的历史数据,对西爪哇省的雷电数据进行了制图。从总记录事件的闪电数据映射来看,闪电的峰值电流大多在10 ~ 15 kA之间,峰值电流中位数高达20 kA。在西爪哇省的其他地区中,茂物和万隆的闪电密度相对较高。对茂物和万隆150kv输电线路进行了雷电暴露评价,以确定在日常监测和维护中应优先设置哪一段输电线路。使用记录的雷电数据对输电故障或合闸事件进行分析,作为在故障或合闸事件发生之前对塔部分进行进一步维护的建议,例如绝缘串、地线或塔接地。
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引用次数: 7
On the reduction of interference effect using power control for device-to-device communication underlying cellular communication network 利用功率控制降低蜂窝通信网络中设备间通信的干扰效应
Pub Date : 2017-08-01 DOI: 10.1109/ICECOS.2017.8167149
M. Susanto, H. Fitriawan, A. Abadi, Herlinawati
Device-to-Device (D2D) communication has currently been emerging as a promising technology to increase capacity and to extend coverage area in cellular communication network. D2D communication allows direct communication between two or more devices such as mobile user equipments without any base station help as a relay. However, enabling D2D features in cellular communication network will reveal more complex interference problems, because D2D communication could share the same frequency resources as its underlain cellular communication network. This paper analyzes the interference problems in such D2D communications underlying cellular communication network for downlink transmission. This paper explores the use of power control methods to reduce the effect of interference. The decision whether to increase or to decrease the power level on base station (evolved Node B/eNB in Fourth Generation/4G Cellular Networks) or on the transmitter of D2D pair (Transmitter of D2D User Equipment/TUE) is based on the estimated current Signal to Interference plus Noise Ratio (SINR). First method of power control (PC-1) uses a fixed value to control the power level of the transmitter. Another one (PC-2) uses moving average of interference power values. The simulation was carried out to evaluate those two power control methods and its results in term of Cumulative Distribution Function (CDF) of SINR are compared to the system without power control method. The simulation results show that both power control methods contribute the improvement of performances; for one cellular equipment (CUE) and 100 pairs of D2D it achieved the improvement of SINR distribution at 5% with PC-1 and at 4% with PC-2 compared to the system without powr control, meanwhile for 1 D2D pair and 100 CUEs the CDF of SINR at 0 dB achieves 40%, 3%, and 0% for the systems without power control, with PC-1, and PC-2 methods, accordingly.
设备到设备(D2D)通信是目前蜂窝通信网络中一种很有前途的增加容量和扩大覆盖范围的技术。D2D通信允许在两个或多个设备(如移动用户设备)之间直接通信,而无需任何基站作为中继的帮助。然而,在蜂窝通信网络中启用D2D功能将暴露出更复杂的干扰问题,因为D2D通信可能与其底层蜂窝通信网络共享相同的频率资源。本文分析了基于蜂窝通信网络下行传输的D2D通信中的干扰问题。本文探讨了采用功率控制的方法来降低干扰的影响。在基站(在第四代/4G蜂窝网络中演变为节点B/eNB)或D2D对的发射机(D2D用户设备发射机/TUE)上增加或减少功率水平的决定是基于估计的当前信噪比(SINR)。第一种功率控制方法(PC-1)使用一个固定值来控制发射机的功率水平。另一个(PC-2)使用干扰功率值的移动平均。通过仿真对两种功率控制方法进行了评价,并将其SINR的累积分布函数(CDF)结果与不采用功率控制方法的系统进行了比较。仿真结果表明,两种功率控制方法均有助于提高系统性能;对于1台蜂窝设备(CUE)和100对D2D,与不加功率控制的系统相比,使用PC-1和PC-2的SINR分布分别改善了5%和4%,同时对于1对D2D和100对CUE,不加功率控制的系统,使用PC-1和PC-2的SINR CDF分别达到了40%、3%和0%。
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引用次数: 8
Comparison of A∗ and Iterative Deepening A∗ algorithms for non-player character in Role Playing Game 角色扮演游戏中非玩家角色的A∗与迭代深化A∗算法的比较
Pub Date : 2017-08-01 DOI: 10.1109/ICECOS.2017.8167134
Anggina Primanita, Rusdi Effendi, Wahyu Hidayat
Role Playing Game (RPG) needs realistic Artificial Intelligence, pathfinding is one of the requirements to achieve it. One of the popular algorithm for pathfinding is A∗, but A∗ still has problem about its memory usage. Iterative Deepening A∗ (IDA∗) is an algorithm like A∗ that uses Depth First Search to prevent the large memory usage. This research develops a game that implements pathfinding method to enemy character using A∗ and IDA∗ algorithms to compare their memory and time usages for pathfinding. Heuristic function that used is Manhattan Distance. This research uses 3 different types of map (without obstacle, simple obstacle, and complex obstacle) with 3 different samples in each type of map as tool for comparing the memory and time usage by A∗ and IDA∗. The conclusion of this research are memory and time usage for A∗ and IDA∗ is affected by the size of map (node quantity), position of the obstacles on map, and the obstacle quantity. Then, IDA∗ Algorithm is generally better than A∗ in case of memory and time usage especially if the map doesn't have any obstacle, but IDA∗ can be worse if the enemy character and player are at the parallel position that covered by obstacle.
角色扮演游戏(RPG)需要逼真的人工智能,寻径是实现这一目标的必要条件之一。常用的寻路算法之一是A∗,但A∗仍然存在内存使用问题。迭代深化A * (IDA *)是一种类似于A *的算法,它使用深度优先搜索来防止大量内存的使用。本研究开发了一个游戏,使用a *和IDA *算法来比较它们的寻路内存和时间使用。使用的启发式函数是曼哈顿距离。本研究使用3种不同类型的地图(无障碍、简单障碍和复杂障碍),每种地图中有3个不同的样本,作为比较A∗和IDA∗的内存和时间使用情况的工具。本研究的结论是A∗和IDA∗的记忆体和时间使用受到地图大小(节点数量)、地图上障碍物的位置和障碍物数量的影响。那么,在内存和时间使用方面,特别是在地图没有任何障碍物的情况下,IDA∗算法通常优于A∗,但如果敌人角色和玩家处于被障碍物覆盖的平行位置,IDA∗可能会更差。
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引用次数: 3
A critical review of blockchain and its current applications 对区块链及其当前应用的批判性回顾
Pub Date : 2017-08-01 DOI: 10.1109/ICECOS.2017.8167115
Bayu Adhi Tama, Bruno Joachim Kweka, Youngho Park, K. Rhee
Blockchain technology has been known as a digital currency platform since the emergence of Bitcoin, the first and the largest of the cryptocurrencies. Hitherto, it is used for the decentralization of markets more generally, not exclusively for the decentralization of money and payments. The decentralized transaction ledger of blockchain could be employed to register, confirm, and send all kinds of contracts to other parties in the network. In this paper, we thoroughly review state-of-the-art blockchain-related applications emerged in the literature. A number of published works were carefully included based on their contributions to the blockchain's body of knowledge. Several remarks are explored and discussed in the last section of the paper.
自比特币出现以来,区块链技术一直被称为数字货币平台,比特币是第一个也是最大的加密货币。迄今为止,它被更广泛地用于市场的权力下放,而不仅仅是用于货币和支付的权力下放。区块链的去中心化交易账本可以用来登记、确认和发送各种合同给网络中的其他各方。在本文中,我们彻底回顾了文献中出现的最先进的区块链相关应用。一些已出版的作品根据它们对区块链知识体系的贡献被仔细纳入其中。本文的最后一节探讨和讨论了几个问题。
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引用次数: 166
Formation control design for real swarm robot using fuzzy logic 基于模糊逻辑的真实群体机器人群体控制设计
Pub Date : 2017-08-01 DOI: 10.1109/ICECOS.2017.8167171
A. Handayani, N. Husni, S. Nurmaini, I. Yani
This paper presents is to design swarm formation control using behavior-based for real robots. It's consists of two behavior are avoiding obstacles and formation keeping. During formation, the robots are also desired to coordinate among themselves to avoid collisions and keep formation the desired distance between each other. This design is using Fuzzy Logic Controller System. In this work a fuzzy logic controller has been used successfully in control system for the obstacle avoidance and formation keeping.
本文提出了一种基于行为的真实机器人群体编队控制设计方法。它包括躲避障碍物和保持队形两种行为。在队形过程中,机器人之间也需要相互协调以避免碰撞,并保持队形之间的期望距离。本设计采用模糊逻辑控制器系统。本文成功地将模糊控制器应用于机器人的避障和编队保持控制系统中。
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引用次数: 8
Spatio-temporal analysis of South Sumatera hotspot distribution 南苏门答腊热点分布的时空分析
Pub Date : 2017-08-01 DOI: 10.1109/ICECOS.2017.8167133
Firdaus, Septriani, Alsella Meiriza, R. F. Malik, S. Nurmaini
This paper presents the analysis of South Sumatera hotspots distribution pattern from 2005–2015 based on spatial and temporal aspects. The hotspot distribution data used is FIRMS MODIS Fires data. The spatial aspect is represented by the attribute of latitude and longitude as the location of the occurrence of hotspots and the temporal is represented by the date attribute. DBSCAN clustering is used to analyze spatial aspect. The results show that Tulung Selapan subdistrict is on high fire-prone region. Air Sugihan, Cengal, Bayung Lencir is on medium and the others is low. For temporal aspect, the result shows most hotspots occurred on August, September and October.
本文从时空角度分析了2005-2015年南苏门答腊热点地区的分布格局。使用的热点分布数据是FIRMS MODIS Fires数据。空间方面用纬度和经度属性表示为热点发生的位置,时间方面用日期属性表示。使用DBSCAN聚类分析空间方面。结果表明,土隆西拉潘街道属于火灾高发区。苏吉汉航空公司、甘格尔航空公司、巴扬伦西尔航空公司处于中等水平,其他航空公司处于低水平。从时间上看,8月、9月和10月是热点地区。
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引用次数: 4
Image enhancement using the image sharpening, contrast enhancement, and Standard Median Filter (Noise Removal) with pixel-based and human visual system-based measurements 图像增强使用图像锐化,对比度增强和标准中值滤波器(噪声去除)与基于像素和人类视觉系统的测量
Pub Date : 2017-08-01 DOI: 10.1109/ICECOS.2017.8167116
Erwin, Adam Nevriyanto, D. Purnamasari
In this paper, we explained the three methods of image enhancement: Image Sharpening by sharpening the edges, Contrast Enhancement using Standard Histogram Equalization and Standard Median Filtering where noise is filtered using these methods first and finally noise is eliminated. Then we put on the measurement parameters using a calculation based on the image quality of the pixel MSE and PSNR and calculations based on human vision system (HVS) that SSIM. The dataset we use is BSDS300 Berkeley and the environment is Matlab 2016a. We can state that the image quality measurement is good where the results are accurate so that we can determine the best methods too. We got SSIM value is close to 1 and the value obtained MSE and PSNR is minimum in Image Sharpening which is mean Image Sharpening is best of basic methods in Image Enhancement.
在本文中,我们解释了图像增强的三种方法:通过锐化边缘来增强图像,使用标准直方图均衡化和标准中值滤波来增强对比度,其中首先使用这些方法过滤噪声,最后消除噪声。然后通过计算基于图像质量的像素的MSE和PSNR以及基于人眼视觉系统(HVS)的SSIM来确定测量参数。我们使用的数据集是BSDS300 Berkeley,环境是Matlab 2016a。我们可以说图像质量测量是好的,结果是准确的,这样我们就可以确定最好的方法。图像锐化得到的SSIM值接近于1,得到的MSE和PSNR值最小,是图像增强的基本方法中效果最好的。
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引用次数: 19
Smart monitoring apps for salvaging neolissochillus thienemanni sumateranus (batak heritage) from extinction 智能监测应用程序,用于拯救濒临灭绝的新巨鳄(batak遗产)
Pub Date : 2017-08-01 DOI: 10.1109/ICECOS.2017.8167166
Richad Harianja, Nickholas Pangaribuan, Lambok Sinaga, Kisno, Pandapotan Siagian, E. R. Sembiring
Ihan or Ikan Batak (Neolissochillus thienemanni sumateranus), the heritage of Batak tribe, is considered as vulnerable species of freshwater fish in Indonesia, especially at Lake Toba. This study aims to introduce SMAFIB application that is environment-friendly and helps the salvage of the fish from extinction. An application is built based on Django framework using Phyton programming language, which interacts with Raspberry pi through the internet to monitor the fish breeding and carries out all operations needed for fish conservation. A 14-day-experiment was carried out on 15 Ihan seed in a tailored aquarium equipped with the smart application. After two weeks, the result indicated that the success rate of breeding the endangered species using this system was 100% where all the fish put were survived. The implementation of the embedded system which is realized through mobile application has been successful in breeding the endangered species by considering and monitoring the essential aspects such as pH, temperature, feeding, water condition, and health risks. Time efficiency and yields are getting increased which reflect the increase in the economy for the farmers. SMAFIB application increases the efficiency of feeding time, monitoring time, and helps the salvage of the species in order to restore the custom and tradition of the Batak community as well as helps the improvement of the farmers' income without endangering the environment.
Ihan或Ikan Batak (Neolissochillus thienemanni sumateranus)是Batak部落的遗产,被认为是印度尼西亚淡水鱼的脆弱物种,特别是在多巴湖。本研究旨在介绍SMAFIB的环保应用,并帮助拯救濒临灭绝的鱼类。基于Django框架,使用Phyton编程语言构建应用程序,通过互联网与树莓派交互,监控鱼类繁殖并执行鱼类保护所需的所有操作。在配备智能应用程序的定制水族箱中,对15颗Ihan种子进行了为期14天的实验。两周后,结果表明,使用该系统繁殖濒危物种的成功率为100%,所有的鱼都存活了下来。通过移动应用程序实现的嵌入式系统的实现,通过考虑和监测pH值、温度、喂养、水条件和健康风险等基本方面,成功地繁殖了濒危物种。时间效率和产量都在提高,这反映了农民经济的增长。SMAFIB的应用提高了饲养时间和监测时间的效率,并有助于挽救物种,以恢复巴塔克社区的习俗和传统,并有助于提高农民的收入,同时又不危害环境。
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引用次数: 3
Evaluation of grounding system for AC substation using sub-ground (SG) software for novice professionals: Interpretation based on IEEE Std. 80-1986 用地下(SG)软件评价交流变电站接地系统的新手:基于IEEE标准80-1986的解释
Pub Date : 2017-08-01 DOI: 10.1109/ICECOS.2017.8167158
M. Jambak, H. Ahmad, M. A. H. Mohammed, S. A. Jumaat, M. Sidik
Grounding system plays very important role in AC substation station for person and equipment safety. Proper design of grounding system is achievable by following IEEE Std-80 on safety in AC substation grounding but novice professionals find it not easy to use. The advantage of this paper presents evaluation of grounding system for AC substation by case studies presentation thus easing the understanding of IEEE Std-80 and its usage. This was carried out by using homegrown Sub-ground software with capability to identify the safety status of a grounding system design procedures. The grounding system is evaluated with six different cases. Different parameter is changed in each case to observe the result of the grounding system. The result shows that there are several important parameters in designing a grounding system. The parameters are grounding grid size, number of parallel rod, level of fault current, crush rock layer, cross sectional area of ground rod and level of soil resistivity. The tolerable and calculated step and touch voltage as well as the mesh voltage of the grounding system are presented in manner to tutor novice professionals on AC grounding system design. Last but not least the software developed in the laboratory useful for novice professionals training for AC substation grounding system.
交流变电所接地系统对人员和设备的安全起着至关重要的作用。按照IEEE Std-80的交流变电站接地安全标准,可以实现对接地系统的合理设计,但专业新手使用起来并不容易。本文的优点是通过案例分析的方式对交流变电站接地系统进行评价,从而加深对IEEE Std-80标准及其应用的理解。这是通过使用国产的地下软件进行的,该软件具有识别接地系统设计程序的安全状态的能力。用六种不同的情况对接地系统进行了评估。在每种情况下改变不同的参数,观察接地系统的效果。结果表明,在设计接地系统时,有几个重要的参数。参数为接地网尺寸、平行棒数、断层电流等级、破碎岩层、接地棒截面积、土壤电阻率等级。给出了接地系统的阶跃电压、接触电压和网格电压的可容忍值和计算值,以指导专业新手进行交流接地系统设计。最后但并非最不重要的是,在实验室开发的软件对交流变电站接地系统的新手专业人员培训很有用。
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引用次数: 0
期刊
2017 International Conference on Electrical Engineering and Computer Science (ICECOS)
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