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2018 IEEE 8th International Conference on System Engineering and Technology (ICSET)最新文献

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Geomagnetically Induced Currents (GICs) in Equatorial Region 赤道地区地磁感应电流(gic)
Pub Date : 2018-10-01 DOI: 10.1109/ICSENGT.2018.8606391
F. Kasran, M. H. Jusoh, Siti Amalina Ence Ab Rahim, N. Abdullah
GICs is a ground end manifestation associated with the space weather perturbations that should be greatly taken into account by the society. Even though the GICs implication to the power system is not regularly happened, it can cause large scale of system failure. In equatorial, the power system is considered safe since the most intense of geomagnetic storm happened in high latitude. However, the internal damage due to GICs which finally led to the South African power system failure has totally changed the normal perception. Therefore, a preliminary investigation on the GICs activity in equatorial region is performed to understand the space weather impact to the power system. Time derivative of the horizontal magnetic field component (dB/dt) is done to indicate the GICs activity value based on Faraday’s law. All the reported power failures are compiled to produce the threshold value of dB/dt, which possibly cause the harmful effect to the system. Then, dB/dt analysis is extended to show the pattern of GICs activity in function of magnetic latitude and local time. The results reveal that power network in equatorial region has possibly suffered by GIC. Plus, high number of intense GIC activity in this region occurred during dayside.
GICs是与空间天气扰动相关的地面端表现,应引起社会的高度重视。尽管GICs对电力系统的影响并不经常发生,但它也可能导致大规模的系统故障。在赤道地区,地磁风暴最强烈的地区是高纬度地区,因此电力系统被认为是安全的。然而,由gic引起的内部破坏最终导致南非电力系统故障,完全改变了人们的正常看法。因此,为了了解空间天气对电力系统的影响,我们对赤道地区的GICs活动进行了初步研究。根据法拉第定律,对水平磁场分量的时间导数(dB/dt)表示GICs的活度值。所有报告的电源故障都被编译为dB/dt的阈值,可能对系统造成有害影响。然后,将dB/dt分析扩展到地磁纬度和当地时间的函数模式。结果表明,赤道地区的电网可能遭受了GIC的影响。此外,该区域大量强烈的GIC活动发生在白天。
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引用次数: 5
Moving Block Signalling System Prototype Utilizing Magnetic Field to Determine Position of a Train 利用磁场确定列车位置的移动块信号系统原型
Pub Date : 2018-10-01 DOI: 10.1109/ICSENGT.2018.8606395
R. Siswanto, F. S. Suwita, A. Prihatmanto, R. Darmakusuma, Harits Ar Rosyid, Ardianto Satriawan
The line capacity of fixed block signalling is reciprocal of the minimum headway and is defined as the maximum number of the train that can pass through a stretch of track per unit time for safety reason. By using the Communication Based Train Control (CBTC) technology all trains continuously communicating their exact position. Therefore, the safety distance was no longer a static entity but an adjustable distance (moving block) based on a real-time calculation of the train speed. There will no longer wasted space so the line capacity will increase. The prototype form implemented in three sub-systems, the first one is signal generating system consisting of an oscillator circuit and amplifiers to generate AC signals and flow it to the loop cable produce electromagnetic waves, the signal processing sub-system which serves to read the oscillator signal on the loop cable by using the coil, and data processing and communication sub-system processing signal output and send data to the server. The output of this implementation is sequence number of blocks that have been passed by the train. By using that information we can determine the position of the train.
固定区段信号的线路容量是最小车头时距的倒数,并且出于安全考虑,定义为单位时间内可以通过一段轨道的最大列车数量。利用基于通信的列车控制(CBTC)技术,所有列车都能连续地通信其准确位置。因此,安全距离不再是一个静态的实体,而是基于实时计算列车速度的可调距离(移动块)。不会再浪费空间,因此线路容量将增加。原型形式实现在三个子系统中,第一个是信号产生系统,由振荡器电路和放大器组成,产生交流信号并将其输送到环路电缆产生电磁波,信号处理子系统利用线圈读取环路电缆上的振荡器信号,数据处理和通信子系统处理信号输出并将数据发送到服务器。这个实现的输出是列车通过的块的序列号。通过使用这些信息,我们可以确定火车的位置。
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引用次数: 1
ICSET 2018 Committees
Pub Date : 2018-10-01 DOI: 10.1109/icsengt.2018.8606378
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引用次数: 0
Implementation of Cycle-to-Cycle Control with Energy Storage Element for FES-Assisted Elliptical Stepping Exercise 基于能量存储单元的fes辅助椭圆步进运动循环控制的实现
Pub Date : 2018-10-01 DOI: 10.1109/ICSENGT.2018.8606384
S. Z. Yahaya, Z. Hussain, R. Boudville, F. Ahmad, M. Taib
Rehabilitation exercise with the use of functional electrical stimulation (FES) has become one of the effective technique of rehabilitation for hemiplegic and other neurological disorder conditions. Control is among the main issues in FES since muscle response is highly dynamic due to fatigue and other reasons. Different way of FES application may come with different structure of control technique. In this work, fuzzy logic controller (FLC) based cycle-to-cycle control with an energy storage element was designed and implemented for FES-assisted elliptical stepping exercise. The aim is to obtain appropriate control performance by combining the control action of FLC cycle-to-cycle control and effect of the energy storage element. The energy storage element makes use linear extension spring that provide resist and assist action to the exercise movement. Thus, instead of control action that totally rely on the FLC cycle-to-cycle control, the energy storage element could provide additional assistance in improving the exercise performance. Analysis was conducted to determine the appropriate spring length and constant. Comparison of performance with the FLC cycle-to-cycle control without the energy storage element was also conducted. The result showed a promising performance and hence supports the potential use of the proposed control technique for FES-assisted elliptical stepping exercise.
利用功能电刺激(FES)进行康复训练已成为偏瘫和其他神经系统疾病的有效康复技术之一。控制是FES的主要问题之一,因为由于疲劳和其他原因,肌肉反应是高度动态的。不同的FES应用方式可能会带来不同的控制技术结构。本文设计并实现了基于模糊逻辑控制器(FLC)的带能量存储单元的周期到周期控制,用于fes辅助的椭圆步进运动。目的是将FLC循环间控制的控制作用与储能元件的作用相结合,获得合适的控制性能。能量储存元件利用线性延伸弹簧对运动运动提供抵抗和辅助作用。因此,与完全依赖于FLC循环到循环控制的控制动作不同,能量存储元件可以为提高运动性能提供额外的帮助。通过分析确定合适的弹簧长度和常数。并与不加储能元件的FLC循环控制进行了性能比较。结果显示了良好的性能,因此支持了所提出的控制技术在fes辅助椭圆步进运动中的潜在应用。
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引用次数: 4
Voice Activation Using Speaker Recognition for Controlling Humanoid Robot 基于说话人识别的语音激活控制类人机器人
Pub Date : 2018-10-01 DOI: 10.1109/ICSENGT.2018.8606366
Dyah Ayu Anggreini Tuasikal, Hanif Fakhrurroja, C. Machbub
Voice activation and speaker recognition are needed in many applications today. Speaker recognition is the process of automatically recognizing who speaks based on the voice signal. The introduction of these speakers is generally required on systems that use security and privacy. One example of this paper application is for activation and security in controlling humanoid robots. Voice recording process using Kinect 2.0. The first step in the speech recognition process is feature extraction. In this paper use Mel Frequency Cepstrum Coefficient (MFCC) on characteristic extraction process and Dynamic Time Warping (DTW) used as feature matching technique. The test was performed by 5 different speakers, with 2 types of words (“aktifkan” means activate and “hello slim”), and test with different recording distance (0.5m, 2m, 4m). Robot activation using two different types of words has an average accuracy of 91.5%. At the next difficulty level for testing the recording distance accuracy decreased from 97.5% to 85% to 65%.
语音激活和说话人识别在当今的许多应用中都是必需的。说话人识别是根据语音信号自动识别说话人的过程。在使用安全和隐私的系统中,通常需要引入这些扬声器。本文应用的一个例子是人形机器人的激活和安全控制。录音过程使用Kinect 2.0。语音识别过程的第一步是特征提取。本文将Mel频率倒谱系数(MFCC)用于特征提取过程,动态时间翘曲(DTW)用于特征匹配技术。测试由5名不同的说话者进行,使用2种类型的单词(“aktifkan”表示激活,“hello slim”表示苗条),并以不同的记录距离(0.5m, 2m, 4m)进行测试。使用两种不同类型的单词激活机器人的平均准确率为91.5%。在测试的下一个难度级别,记录距离精度从97.5%下降到85%到65%。
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引用次数: 5
Distance Measurements Method for The Demite Pronunciation Assessment 语音评价的距离测量方法
Pub Date : 2018-10-01 DOI: 10.1109/ICSENGT.2018.8606375
A. Muhammad, A. Prihatmanto, Rifki Wijaya, Harits Ar Rosyid, Hashfi Rasis Hakim, Antonius Pitra Dana, Ummu Chanifatu Al Himmah
The Demite is an educational game with a horror genre using Augmented Reality technology and Speech Recognition. In this game, the player will capture and eliminate ghosts with English pronunciation. Therefore, players will not only catch and eliminate ghosts, but players will also train their English pronunciation correctly. To find out the exact and correct pronunciation in English, The Demite requires an assessment system to measure the distance in the pronunciation of English words. The assessment system requires a method to measure the distance parameters that will be used in the assessment system. Parameters to be measured are Phonetic, Syllable, and Phonetic Length. In this study focused on choosing the right method between Levenshtein Distance, Euclidian Distance, and Manhattan Distance in measuring the distance of these parameters. Based on the results of the tests performed, it was concluded that it is possible to use Levenshtein distance in measuring the distance between phonetic and after observing the test data in syllable and phonetic length measurements, the Manhattan distance method is more appropriate to measure syllable and phonetic length distances even if viewed the average measurement of the Manhattan distance and Euclidean distance is almost the same value. However, when the distance from syllable and phonetic length is far, Euclidean measurements take the midpoint of the accumulation of all parameters, whereas, The Demite assessment system requires the sum of all distances obtained from these parameters. Therefore, the Manhattan distance method is used which measures the distance of the Syllable and Phonetic parameter by sum all the distance values obtained.
《Demite》是一款恐怖类型的教育游戏,使用了增强现实技术和语音识别技术。在这个游戏中,玩家将捕捉并消灭带有英语发音的鬼。因此,玩家不仅要捉鬼和消灭鬼,还要训练自己正确的英语发音。为了找出准确正确的英语发音,the Demite需要一个评估系统来测量英语单词发音中的距离。评估系统需要一种方法来测量将在评估系统中使用的距离参数。测量参数包括语音、音节和语音长度。本研究的重点是在Levenshtein Distance、Euclidian Distance和Manhattan Distance之间选择合适的方法来测量这些参数之间的距离。根据所进行的测试结果,可以得出用Levenshtein距离来测量音节和语音长度距离是可行的,在观察音节和语音长度测量的测试数据后,即使从曼哈顿距离和欧几里得距离的平均测量值来看,曼哈顿距离法更适合测量音节和语音长度距离。然而,当与音节和语音长度的距离较远时,欧几里得测量取所有参数累积的中点,而Demite评估系统则需要从这些参数获得的所有距离的总和。因此,使用曼哈顿距离法,通过将所有获得的距离值相加来测量音节和语音参数的距离。
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引用次数: 2
Reduction of PAPR using Huffman Coding and APSK Modulation Technique for F-OFDMA in 5G System 利用霍夫曼编码和APSK调制技术降低5G系统中F-OFDMA的PAPR
Pub Date : 2018-10-01 DOI: 10.1109/ICSENGT.2018.8606392
A. Idris, Alya Balqis Binti Mohd Fauzi, Mohd Syarhan Idris, I. Taib, M. Kassim, R. Ab Rahman
As the number of demand may increase per year, thus the world need to move to the advance technologies cellular system. Researcher come up with Filtered-OFDMA (F- OFDMA) is the new waveform that has been proposed for 5G system. But still high Peak to Average Power Ratio (PAPR) is the drawbacks of the system. This paper evaluates the performance of PAPR in F-OFDMA by using two block coding. Huffman coding and Turbo codes are the proposed method for this simulation. From the analysis, the simulation results showed that proposed method Huffman Coding scheme greatly reduce the PAPR in F-OFDMA system by 17.17% in 64 APSK modulation while Turbo code scheme is only by 13.13%.
由于需求的数量可能每年都在增加,因此世界需要转向先进的技术蜂窝系统。研究人员提出的滤波OFDMA (F- OFDMA)是为5G系统提出的新波形。但是高峰值平均功率比(PAPR)仍然是该系统的缺点。本文采用双分组编码对F-OFDMA中PAPR的性能进行了评价。本文提出了霍夫曼编码和Turbo编码两种仿真方法。仿真结果表明,在64 APSK调制下,所提出的Huffman编码方案使F-OFDMA系统的PAPR降低了17.17%,而Turbo码方案仅降低了13.13%。
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引用次数: 2
Estimation of Time Derivative of Horizontal Geomagnetic Component for GIC Assesment in Malaysia during Quiet Period 马来西亚平静时期水平地磁分量时间导数估算及其对GIC评估的影响
Pub Date : 2018-10-01 DOI: 10.1109/ICSENGT.2018.8606390
N. M. Anuar, F. Kasran, Zatul Iffah Abdul Latif, Siti Amalina Ence Ab Rahim, Arif Manut, M. H. Jusoh, N. A. Hadi, A. Yoshikawa
This paper presents the preliminary observation on the possible Geomagnetic Induced Current (GIC) activities at Malaysia region during the quiet period of solar cycle 24 (year 2017). In fact, the damage of power system operation might lead to the malfunction of the transformer, which is the main component of the power system. Previously, the cause of the damage has been identified in the long-term investigation, where it drives from the space weather effect so-called (GIC). In this work, the quiet period has been selected by respecting the value of K-Planetary index (Kp) must be less than 3 extracted from OMNIWeb data source. The main objective of the current work is to investigate the behavior of the GIC amplitude at Malaysia region as well as to identify the parameter (ionospheric current and magnetospheric current) that contribute significantly towards the GIC activity at Malaysia region. The type of analysis was carried out using the data of geomagnetic field by extracting the time derivative of the horizontal component (dH/dt) as the indicator for GIC activity. The geomagnetic data was obtained from the MAGDAS observatories at Langkawi (LKW), Perak (PER), and Johor (JOH) stations. Subsequently, the dH/dt value is less than 30 nT/min represent no GIC activity occurred during that particular date for all three stations. However, the results revealed that the ionospheric current, DP2 corresponds well to the dH/dt amplitude. Plus, the latitudinal correlation gave the best representation of the control factor of GIC activity.
本文对第24太阳周期(2017年)平静期马来西亚地区可能的地磁感应电流(GIC)活动进行了初步观测。事实上,电力系统运行的损坏可能会导致变压器的故障,而变压器是电力系统的主要组成部分。此前,在长期调查中已经确定了造成损害的原因,即所谓的空间天气效应(GIC)。本文根据从OMNIWeb数据源中提取的行星指数(Kp)必须小于3的值来选择安静期。当前工作的主要目标是调查马来西亚地区GIC振幅的行为,以及确定对马来西亚地区GIC活动有重大贡献的参数(电离层电流和磁层电流)。利用地磁场数据,提取水平分量的时间导数(dH/dt)作为GIC活动指标,进行了类型分析。地磁数据来自MAGDAS在兰卡威(LKW)、霹雳(PER)和柔佛(JOH)站的观测站。随后,dH/dt值小于30 nT/min表示在该特定日期三个台站均未发生GIC活动。结果表明,电离层电流DP2与dH/dt幅值吻合较好。此外,纬度相关性最好地代表了GIC活动的控制因素。
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引用次数: 1
ICSET 2018 Preface
Pub Date : 2018-10-01 DOI: 10.1109/icsengt.2018.8606382
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引用次数: 0
Mobile Apps and Web GIS-Based Accessible Health and Social Care System for People with Disabilities 基于移动应用程序和Web gis的残疾人无障碍健康和社会护理系统
Pub Date : 2018-10-01 DOI: 10.1109/ICSENGT.2018.8606358
Abdul Rauf Abdul Rasam, Azri Haziq Azlin, N. M. Saraf
Disability is defined both evolving concept and manifestation of interaction between person with disabilities (PWDs) with physical and environmental barriers that hold them back from giving full and effective participation in a society. A person fall in this category will find himself trapped in such vulnerable condition as he or she may not counter their daily problems without high surveillance from their guardian. Development of a mobile apps and web-GIS-based healthcare system in Ampang is proposed in this study as this application has a bright potential to assist PWDs in term of accessibilities to reach healthcare centres. The main objectives of this paper are i) to study the needs assessment on the proposed system, ii) to develop a mobile and web GIS-based healthcare information system and iii) to evaluate the performance of the proposed system. Five main steps used to complete the objectives; mainly user need assessments, data collection, system design, system implementation and system testing phase. Selected respondents agreed on the development of the proposed system, namely the mobile apps and web system. The system was created with main menus such as doctor home visit, ambulance and medication delivery. Medical support team can also perform analyses in the system for PWD needs such as shortest path analysis, buffering and view of the main menus.
残疾的定义包括不断演变的概念和残疾人士(残疾人士)之间的互动表现,他们受到物理和环境障碍的阻碍,无法充分和有效地参与社会。属于这一类的人会发现自己处于一种脆弱的状态,因为如果没有监护人的高度监视,他或她可能无法应对日常问题。本研究建议在安邦开发一个移动应用程序和基于网络地理信息系统的医疗保健系统,因为这个应用程序有很大的潜力,可以帮助残疾人无障碍地到达医疗保健中心。本文的主要目的是研究对拟议系统的需求评估,ii)开发一个基于移动和web gis的医疗保健信息系统,以及iii)评估拟议系统的性能。完成目标的五个主要步骤;主要包括用户需求评估、数据收集、系统设计、系统实施和系统测试等阶段。选定的受访者同意发展拟议的系统,即移动应用程序和web系统。该系统以医生出诊、救护车、送药等菜单为主。医疗支援小组还可以在系统中执行分析,以满足PWD的需求,如最短路径分析、缓冲和主菜单视图。
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引用次数: 5
期刊
2018 IEEE 8th International Conference on System Engineering and Technology (ICSET)
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