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2017 International Conference on Computer, Communications and Electronics (Comptelix)最新文献

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An expert system to generate chords for melodies composed in eastern music format 为东方音乐格式的旋律生成和弦的专家系统
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8004021
E.A.D. Yasith Chathuranga, H. Ratnayake, I. Premaratne
This research has been carried out to find an intelligent system to generate chords for melodies which has been composed without considering chords initially. In western music, melodies are composed alongside with chords which specifies the rules for composing. Even though, the concept of chord is not practised in Hindustan music, modern musicians are now adapting the chords and use western instruments for great listening experience. The chord generation is considered as the expert knowledge, which is usually carried out by a musician with a trained ear. People who play chord playing instruments, must find appropriate chords when they are asked to play eastern notations. This process of finding the most suitable chord is always carried out by their knowledge which does not have any specific method. Therefore, beginners with less experience are facing difficulties when deciding a chord. In this research, an expert system has been proposed, to generate chords based on music knowledge.
这项研究是为了寻找一种智能系统,可以在没有考虑和弦的情况下为旋律生成和弦。在西方音乐中,旋律是与和弦一起组成的,和弦规定了作曲的规则。尽管在印度斯坦音乐中没有和弦的概念,但现代音乐家们现在正在改编和弦,并使用西方乐器来获得出色的聆听体验。和弦的生成被认为是一门专业知识,通常由受过训练的音乐家来完成。演奏和弦乐器的人,当他们被要求演奏东方音符时,必须找到合适的和弦。寻找最合适的和弦的过程总是通过他们的知识来完成的,没有任何具体的方法。因此,经验较少的初学者在决定和弦时面临困难。在本研究中,提出了一个基于音乐知识生成和弦的专家系统。
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引用次数: 4
An extremely wideband/multiresonance monopole antenna with multiple notched stop bands 具有多个陷波阻带的极宽带/多共振单极天线
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8004053
H. S. Mewara, D. Jhanwar, M. Sharma, Ashok Kumar
A wideband/multiresonance monopole antenna with multiple notched stop bands is presented. A multiresonance characteristic 2.6–22 GHz is achieved by modifying ground plane and three notched stop bands at 3.36–4.11, 5.15–5.79, and 7.96–8.50 GHz are achieved by introducing three co-directional split ring resonators (SRRs) in the radiating patch. The individual notch frequency is controlled by the individual SRR and central notch frequency is calculated by the physical dimension of individual SRR.
提出了一种具有多陷波阻带的宽带/多谐振单极天线。通过对地平面的修改,实现了2.6 ~ 22 GHz的多谐振特性;通过在辐射贴片中引入三个共向劈裂环谐振器(srr),实现了3.36 ~ 4.11 GHz、5.15 ~ 5.79 GHz和7.96 ~ 8.50 GHz的三个陷波阻挡带。单个陷波频率由单个SRR控制,中心陷波频率由单个SRR的物理尺寸计算。
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引用次数: 1
Sliding mode control of yaw movement based on Ackermann's formula 基于Ackermann公式的偏航运动滑模控制
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8004045
Dilip Kumar Malav, Rajashree Taparia
A ship in open sea is a very complex dynamic system. It is affected by three types of perturbations: hydrodynamic perturbations induced by the ship movements, external perturbations produced by wind, waves, and sea currents, and those produced by the control systems of the ship, like propulsion and steering systems. The external perturbations, especially the waves, are the most important, because of their high energy, which can not be completely eliminated by the control systems. The sliding mode control provides the control which is robust to perturbation. The discontinuity plane for sliding mode control is designed in an explicit form using Ackermann's formula. The control of the system is being independent of perturbations applied.
远洋船舶是一个非常复杂的动力系统。它受到三种扰动的影响:由船舶运动引起的流体动力扰动,由风、波浪和海流产生的外部扰动,以及由船舶控制系统(如推进和转向系统)产生的扰动。外部扰动,特别是波动,是最重要的,因为它们的高能量,不能被控制系统完全消除。滑模控制提供了对摄动具有鲁棒性的控制。利用Ackermann公式,以显式形式设计了滑模控制的不连续平面。系统的控制与所施加的扰动无关。
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引用次数: 1
Howling mechanism based grey wolf optimizer 基于嚎叫机制的灰狼优化器
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8003991
C. Dadhich, Ninnala Sharma, Harish Sharma
Grey wolf optimizer (GWO) is an efficient optimization approach in the generation of swarm intelligence based techniques. GWO algorithm relies on the leadership quality and hunting mechanism shown by grey wolves. Half of the iteration in GWO are dedicated to exploration and the rest half are used for exploitation. This article presents a modified GWO approach, known as Howling mechanism based grey wolf optimizer (HGWO). In the modified approach two new phases are added namely, “Howling Phase” and “Re-hunting Phase”. In Howling Phase, the solutions are updated based upon their probable values which depends upon the fitness function. The solutions with higher fitness value are assigned higher probability values so higher fit solutions will be given more chances to update their positions. Further, to overcome the problem of stagnation, re-hunting phase is annexed to re-initialize the Alpha (first fittest solution), Beta (second fit solution), and Delta (third fit solution), if they are not updating their positions upto a predetermined limit. To validate the performance of HGWO, 10 benchmark functions are considered and compared with other optimization algorithms such as GWO, Gravitational Search Algorithm (GSA), and Shuffled frog-leaping algorithm (SFLA). The obtained results show the clear supremacy of the proposed HGWO algorithm.
灰狼优化器(GWO)是基于群体智能生成的一种有效的优化方法。GWO算法依赖于灰狼的领导素质和狩猎机制。GWO中一半的迭代用于探索,另一半用于开发。本文提出了一种改进的灰狼优化方法,称为基于嚎叫机制的灰狼优化器(HGWO)。在改进后的方法中,增加了两个新阶段,即“嚎叫阶段”和“重猎阶段”。在嚎叫阶段,解决方案根据它们的可能值进行更新,这取决于适应度函数。适应度值越高的解被赋予更高的概率值,因此适应度越高的解将有更多的机会更新其位置。此外,为了克服停滞问题,如果Alpha(第一个适合的解决方案)、Beta(第二个适合的解决方案)和Delta(第三个适合的解决方案)没有将其位置更新到预定的限制,则附加了重新狩猎阶段以重新初始化Alpha(第一个适合的解决方案)、Beta(第二个适合的解决方案)和Delta(第三个适合的解决方案)。为了验证HGWO的性能,考虑了10个基准函数,并与GWO、引力搜索算法(GSA)和shuffle青蛙跳跃算法(SFLA)等其他优化算法进行了比较。所得结果表明,所提出的HGWO算法具有明显的优越性。
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引用次数: 0
Analog/RF performance comparison of junctionless and dopingless field effect transistor 无结与无掺杂场效应晶体管模拟/射频性能比较
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8004041
Chitrakant Sahu, Jaydeep Singh Parmar
In this paper, device performance metricsofjunctionless (JL) and dopingless (DL) field effect transistors (FETs) for analog and radio-frequency application are evaluated using technology computer added design (TCAD) tool. It is observed that the DL-FET offers 17% enhancement in ON-current and achieves 1.5 times cutoff frequency along with 10 dB improvement in intrinsic voltage gain in comparison to JL-FET. Hence, DL-FET alleviates the trade-off by simultaneous improvement in gain and bandwidth with less fabrication complexity compare to its device counterpart.
本文利用计算机辅助设计(TCAD)工具对模拟和射频应用中的无结(JL)和无掺杂(DL)场效应晶体管(fet)的器件性能指标进行了评价。与JL-FET相比,DL-FET的导通电流增强了17%,截止频率提高了1.5倍,固有电压增益提高了10 dB。因此,DL-FET通过同时提高增益和带宽来减轻权衡,与器件相比,其制造复杂性更低。
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引用次数: 3
Design and implementation of a real time stress monitoring system with the help of ECG using Matlab tool 利用Matlab工具设计并实现了一个心电实时应力监测系统
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8003995
R. P. Tripathi, G. Mishra
In the presented paper we have explained the design and implementation of a system that is capable in monitoring of mental stress in real time. To determine the stress of the person we have tried to estimate the autonomic state of the person, the idea is based on the basic fundamental, and it states emotional arousal is directly linked with the autonomic state of the person. To determine the autonomic nervous system (ANS) activity we have taken the help of the some physiological signals that are in the control of ANS. We have monitored the Heart Rate Variability (HRV), Galvanic Skin Response (GSR), and respiration rate (RR) of the person to detect the mental stress. To perform the analysis of the above stated signals we have used software called Matlab. In this system we have created a Body Sensor Network (BSN) to acquire the raw physiological signals through a data acquisition card (DAC), we have used the Xbee module to create the BSN. After the acquisition and reception these signals are processed in Matlab Software. In Matlab we have created an algorithm using this algorithm our system differentiates the relaxed state with stress state. As we have designed this system for the monitoring the patients those are facing the issue of the panic attacks hence we have designed a separate module in this system which sends the message on the pre provided mobile number. In the message it sends the State of the person with the location of the person. To determine the location we have used the GPS module and the information is sent through a GSM module and a SIM.
在本文中,我们解释了一个能够实时监测精神压力的系统的设计和实现。为了确定一个人的压力,我们试图估计一个人的自主状态,这个想法是基于基本原理的,它说情绪唤醒与一个人的自主状态直接相关。为了确定自主神经系统(ANS)的活动,我们利用自主神经系统控制的一些生理信号,通过监测人的心率变异性(HRV)、皮肤电反应(GSR)和呼吸速率(RR)来检测精神压力。为了对上述信号进行分析,我们使用了Matlab软件。在本系统中,我们创建了一个身体传感器网络(BSN),通过数据采集卡(DAC)来获取原始生理信号,我们使用Xbee模块来创建BSN。采集和接收后的信号在Matlab软件中进行处理。在Matlab中,我们创建了一个算法,利用该算法,我们的系统区分了松弛状态和应力状态。由于我们设计这个系统是为了监测那些面临恐慌发作问题的病人,因此我们在这个系统中设计了一个单独的模块,它通过预先提供的手机号码发送信息。在消息中,它发送该人员的状态和该人员的位置。为了确定位置,我们使用了GPS模块,信息通过GSM模块和SIM卡发送。
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引用次数: 5
Epileptic seizure detection from EEG signal using Flexible Analytical Wavelet Transform 基于柔性分析小波变换的脑电信号癫痫发作检测
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8003940
K. Jindal, R. Upadhyay
Epileptic seizure is the abnormal synchronous neuronal activity that occurs in human brain. The early detection of epileptic seizure helps in improving patient's mental health. In this work, an Electroencephalogram based methodology of automated epileptic seizure detection using Flexible Analytical Wavelet Transform is presented. In the proposed methodology, Electroencephalogram signals are decomposed into approximate and detailed wavelet coefficients using Flexible Analytical Wavelet Transform, initially. The statistical features such as mean, kurtosis and skewness are calculated from the selected wavelet coefficients as features. Further, the features are fed to the soft computing techniques for classifying Electroencephalogram data in seizure and non-seizure classes. Three soft computing techniques such as Support Vector Machine, Artificial Neural Network and Random Forest Tree classifiers are used for classification. The results of the classification yield the efficacy of proposed methodology of feature extraction in automatic epileptic seizure detection.
癫痫发作是发生在人脑中的异常的同步神经元活动。早期发现癫痫发作有助于改善患者的心理健康。在这项工作中,提出了一种基于脑电图的灵活分析小波变换的癫痫发作自动检测方法。该方法首先利用柔性解析小波变换将脑电图信号分解为近似小波系数和详细小波系数。将选取的小波系数作为特征,计算出均值、峰度、偏度等统计特征。此外,这些特征被输入到软计算技术中,用于对癫痫发作和非癫痫发作的脑电图数据进行分类。采用了支持向量机、人工神经网络和随机森林树分类器等三种软计算技术进行分类。分类结果表明所提出的特征提取方法在癫痫发作自动检测中的有效性。
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引用次数: 11
Non-linear gain quadratic-type boost converter 非线性增益二次型升压变换器
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8004005
M. Veerachary
In this paper a dc-dc non-linear-gain quadratic type boost point of load converter is proposed. A detailed time-domain and steady-state analysis is presented to examine the proposed converter performance. Non-linear voltage boosting features are established and then the L, C components defining equations are formulated in terms of ripple quantities. The state-space models are established assuming the proposed converter exhibits two different modes in one switching cycle. Based on these averaged models a small-signal analysis is performed to obtain the dynamic performance characterizing transfer functions. Later on these transfer functions are also used in the controller design. The proposed circuit is able to boost the load voltage to a higher value than the conventional quadratic boost converter reported in literature. A 48 V, 20 Watt prototype converter test circuit is built to supply the power at constant load voltage. A 12 V dc-battery is used as power source and 100 kHz switching frequency is adopted for the prototype converter operation both in simulation and experimentation. The proposed dc-dc converter effectiveness is demonstrated both in simulations and experimentation.
本文提出了一种dc-dc非线性增益二次型负载变换器升压点。详细的时域和稳态分析验证了所提出的变换器的性能。建立了非线性升压特征,然后用纹波量表示L、C分量的定义方程。假设所提出的变换器在一个开关周期内呈现两种不同的模式,建立了状态空间模型。基于这些平均模型进行了小信号分析,以获得表征传递函数的动态性能。随后,这些传递函数也被用于控制器的设计。所提出的电路能够将负载电压提升到比文献中报道的传统二次升压转换器更高的值。建立了一个48v, 20w的原型转换器测试电路,以在恒负载电压下供电。仿真和实验均采用12v直流电池作为电源,开关频率为100khz,样机变换器工作。通过仿真和实验验证了所提出的dc-dc变换器的有效性。
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引用次数: 0
Design and analysis of a compact microstrip antenna using shorting pin for 5 GHz band 5ghz频段采用短引脚的小型微带天线设计与分析
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8004054
Rahul Tiwari, S. Verma, Archana Sharma, Ashok Kumar
A compact microstrip patch antenna (RMPA) using shorting pin is based on the introducing rectangular slot in the ground plane is proposed for useful current miniaturized wireless communication system and designed in this paper. This modified antenna to have characteristics of wideband operation, enhance bandwidth, along with reducing the size and improved gain. A meandered probe-fed rectangular shaped slot coupled with horizontal slots on a ground layer with a dimension of 18 × 21 × 1.6 mm3 having dielectric material substrate (εr=4.4). The main purpose of this work is to propose a wideband and improved gain antenna for mobile WiMAX, Wi-Fi/WLAN as well as military applications. The simulated results show that, the proposed antenna has achieved wider bandwidth with satisfactory gain by introducing probe fed with shorting pin in the assistant of partial ground plane.
本文在接地面引入矩形槽的基础上,提出并设计了一种用于实用电流小型化无线通信系统的小型微带贴片天线(RMPA)。改进后的天线具有宽带工作特性,提高了带宽,同时减小了尺寸,提高了增益。在介电材料衬底尺寸为18 × 21 × 1.6 mm3 (εr=4.4)的接地层上与水平槽耦合的弯曲探针馈电矩形槽。这项工作的主要目的是为移动WiMAX、Wi-Fi/WLAN以及军事应用提出一种宽带和改进增益天线。仿真结果表明,在部分地平面辅助下引入带短引脚馈电的探头,该天线获得了较宽的带宽和满意的增益。
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引用次数: 2
SoC implementation of three phase BLDC motor using Microblaze soft IP core 基于Microblaze软IP核的三相无刷直流电机SoC实现
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8003994
Suneeta, R. Srinivasan, Ramsagar
This work principally focuses on the implementation of electronic commutation of brushless DC motor (BLDC) victimisation SoC technique. In recent trends, there's an enormous demand for SoC applications since a lot of parts and sophisticated things can be integrated on one chip. The economical style of commutation has achieved with the assistance of VIRTEX II professional FPGA and configuration putting in place by victimisation Microblaze soft information processing core. The captured signals from the BLDC motor are given to the resolver and regenerate to digital signals by victimisation Resolver to Digital converters. The program has been written in VHDL to come up with the firing pulses needed to drive the MOSFETs of 3 section totally controlled bridge device driver circuit. It's tested with 30V, 2000 rpm BLDC motor and its run at constant speed starting from 10 to 2000 rpm. The planned methodology is associated in nursing attempt of victimisation SoC technique within the management of BLDC motor. It's highly versatile and economical compared to the other microcontroller style. This planned work will be accustomed change the main target in radio telescopes.
本研究主要集中于无刷直流电动机(BLDC)电子换相的实现。在最近的趋势中,由于许多零件和复杂的东西可以集成在一个芯片上,因此对SoC应用的需求很大。在VIRTEX II专业FPGA的帮助下实现了经济型换相,并通过Microblaze软信息处理核心进行了配置。从无刷直流电机捕获的信号被提供给解析器,并通过解析器到数字转换器重新生成数字信号。该程序用VHDL编写,给出了驱动3段全控桥式器件驱动电路的mosfet所需的发射脉冲。采用30V, 2000转无刷直流电机进行测试,从10转到2000转,恒速运行。计划的方法与无刷直流电机管理中受害SoC技术的护理尝试有关。与其他微控制器风格相比,它具有高度的通用性和经济性。这项计划的工作将习惯改变射电望远镜的主要目标。
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引用次数: 4
期刊
2017 International Conference on Computer, Communications and Electronics (Comptelix)
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