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2014 International Conference on Advances in Electrical Engineering (ICAEE)最新文献

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Application of embedded system for a genetic disease, sickle cell anemia 嵌入式系统应用于一种遗传性疾病,镰状细胞性贫血
Pub Date : 2014-06-19 DOI: 10.1109/ICAEE.2014.6838446
P. Panneerselvam
Embedded system has emerged as an important engineering technology in various biomedical applications. It is used as both invasive and non-invasive sensors for sensing, processing, transportation, archiving and visualization mostly using a computing device. It directly helps human kind in medical and paramedical applications that includes clinical analysis, monitoring and patient management. Non-availability of generic architecture disable the design and manufacturing of this type of autonomous embedded system and also becomes a latent and highly expensive task. Here, this paper proposes one kind of embedded system for application of an incurable genetic disease, sickle cell anemia (SCA) by integrating engineering and technologies using ARM 7 micro controller.
嵌入式系统作为一项重要的工程技术已经在生物医学的各种应用中崭露头角。它被用作侵入式和非侵入式传感器,用于传感、处理、运输、存档和可视化,主要使用计算设备。它直接帮助人类在医疗和辅助医疗应用,包括临床分析,监测和病人管理。通用架构的缺乏阻碍了这种自主嵌入式系统的设计和制造,也成为一项潜在的、昂贵的任务。本文提出了一种基于ARM 7微控制器的嵌入式系统,结合工程技术,应用于不可治愈的遗传性疾病镰状细胞性贫血(SCA)。
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引用次数: 6
An intelligent novel FLC based FOINC MPPT technique for PV applications 一种新型的基于FLC的光伏应用FOINC MPPT技术
Pub Date : 2014-06-19 DOI: 10.1109/ICAEE.2014.6838541
R. Arulmurugan, N. Vanitha
This Harnessing energy from the abundant and free sunlight is now a days a hot-topic among the research community. The availability of cheap solar modules has made it possible to harvest solar energy with better efficiency. The nature of solar modules is nonlinear and therefore the process of impedance matching is essential. The proper impedance matching ensures extraction of the maximum power from solar PV module. Several algorithms are reported in literatures that are used to operate the DC-DC converter around MPP. Among those algorithms online techniques are most efficient and easiest to implement. However, the offline techniques are simple but power in loss. In this paper proposed a modified FLC based FOINC algorithm for online MPPT technique. The proposed technique deals with intelligent about measurement of voltage and current. The technique is modeled and simulated in MATLAB/Simulink environment and the results shows satisfactory performance against test conditions.
利用丰富而免费的阳光中的能量是当今研究界的一个热门话题。廉价太阳能组件的可用性使得以更高的效率收集太阳能成为可能。太阳能组件的性质是非线性的,因此阻抗匹配过程是必不可少的。适当的阻抗匹配可以确保从太阳能光伏组件中提取最大功率。文献中报道了几种围绕MPP操作DC-DC变换器的算法。在这些算法中,在线技术是最有效和最容易实现的。然而,离线技术虽然简单,但却很耗电。针对在线MPPT技术,提出了一种改进的基于FLC的FOINC算法。该技术涉及电压和电流的智能测量。在MATLAB/Simulink环境下对该技术进行了建模和仿真,结果表明该技术具有良好的性能。
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引用次数: 3
LABVIEW based expert system for detection of heart abnormalities 基于LABVIEW的心脏异常检测专家系统
Pub Date : 2014-06-19 DOI: 10.1109/ICAEE.2014.6838451
Saket Jain, Piyush Kumar, M. Subashini
The proposed method deals with the study and analysis of ECG signal and thereafter the detection of heart abnormalities using LabVIEW Biomedical toolkit effectively. In the first phase, ECG signal is acquired which is then followed by filtering the raw ECG signal to remove unwanted noises. The next phase focuses on extracting the features from the acquired signal. Finally, different types of abnormalities particularly Sinus Bradycardia, Sinus Tachycardia, Supraventricular Tachycardia (SVT) Abnormal, Atrial Flutter and 1st degree AV Block are detected on the basis of features obtained. Thus the developed system predicts the heart abnormalities of a person, even before him/her consulting a doctor (preliminary investigation). The technique is user-friendly, low cost and hence anyone skeptic of heart problem can analyze his/her ECG using this efficient method.
该方法利用LabVIEW生物医学工具包对心电信号进行研究和分析,进而有效地进行心脏异常的检测。在第一阶段,采集心电信号,然后对原始心电信号进行滤波以去除不需要的噪声。下一阶段的重点是从采集的信号中提取特征。最后,根据所获得的特征检测不同类型的异常,特别是窦性心动过缓、窦性心动过速、室上性心动过速(SVT)异常、心房扑动和1度房室传导阻滞。因此,开发的系统甚至在他/她咨询医生之前就预测了一个人的心脏异常(初步调查)。该技术操作简便,成本低,因此任何怀疑心脏问题的人都可以使用这种有效的方法分析他/她的心电图。
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引用次数: 11
Energy function based Fuzzy Logic Discrete control with STATCOM for stability improvement 基于能量函数的模糊逻辑离散控制,采用STATCOM提高稳定性
Pub Date : 2014-06-19 DOI: 10.1109/ICAEE.2014.6838498
M. Janaki, R. Thirumalaivasan, N. Prabhu
Static Synchronous Compensator (STATCOM) is a Shunt active FACTS controller when connected at the mid point of the transmission line, it can improve voltage regulation, power flow and stability of the transmission systems. This paper analyzes the use of STATCOM with discrete control to improve the transient stability of power system. During transient period STATCOM is switched between inductive or capacitive or operating value and the reference value of reactive current is obtained from Fuzzy Logic based Discrete Controller (FLDC). The Fuzzy logic discrete controller is based on energy function. Transient simulation is carried out to analyze the system. The results of the case study system adapted from IEEE First Benchmark Model demonstrate the effectiveness of Fuzzy logic discrete controller in stabilizing the rotor angle oscillation. Linear analysis is performed on D-Q model of the system with STATCOM.
静态同步补偿器(STATCOM)是一种并联有源FACTS控制器,当它连接在输电线路中点时,可以改善输电系统的电压调节、潮流和稳定性。本文分析了利用STATCOM与离散控制相结合来提高电力系统的暂态稳定性。暂态时,STATCOM在电感值、电容值和工作值之间切换,无功电流的参考值由基于模糊逻辑的离散控制器(FLDC)获得。模糊逻辑离散控制器是基于能量函数的。通过暂态仿真对系统进行了分析。采用IEEE第一基准模型的实例研究系统的结果表明,模糊逻辑离散控制器在稳定转子角振荡方面是有效的。利用STATCOM对系统的D-Q模型进行了线性分析。
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引用次数: 3
Maximum power point tracking using modified PSO with CUK Converter 基于CUK变换器的改进PSO最大功率点跟踪
Pub Date : 2014-06-19 DOI: 10.1109/ICAEE.2014.6838493
M. Vysakh, M. Azharuddin, H. Vilas, K. Muralidhar, D. Paul, B. Jacob, T. S. Babu, N. Rajasekar
This paper proposes modified Particle Swarm Optimization (PSO) for maximum power point tracking in solar PV system. MPPT methods are used for extraction of maximum power from PV panels; since the non-linear characteristics of panel hinders the power output from the panel. Earlier proposed methods like HC, Incremental Conductance suffers from steady state and lower efficiency. This proposed evolutionary computation technique assures nearly zero steady state oscillation and faster convergence while tracking maximum power. The proposed PSO algorithm is tested on a DC-DC CUK Converter and simulation results are compared with Incremental Conductance and Hill Climbing methods.
针对太阳能光伏系统中最大功率点跟踪问题,提出了改进的粒子群算法。MPPT方法用于从光伏板中提取最大功率;由于面板的非线性特性阻碍了面板的功率输出。先前提出的HC、增量电导等方法存在稳态和效率较低的问题。提出的进化计算技术保证了稳态振荡几乎为零,在跟踪最大功率时收敛速度更快。在DC-DC CUK变换器上对该算法进行了测试,并将仿真结果与增量电导法和爬坡法进行了比较。
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引用次数: 13
Effect of gate engineering in FinFET for RF applications 栅极工程对射频应用中FinFET的影响
Pub Date : 2014-06-19 DOI: 10.1109/ICAEE.2014.6838455
K. Sivasankaran, T. R. K. K. Chitroju, K. Reddy, M. S. Subrahmanyam, M. Harsha, P. S. Mallik
This paper presents the Radio Frequency Performance of gate engineered FinFET. Gate engineering is process of implementing different materials with different work functions on gate of device, and studying its impact on device operation. We have analyzed the capability of Single Material Gate (SMG), Dual Material Gate (DMG) and Triple Material Gate (TMG) gate FinFET for RF performance characteristics. We have used 3-D device simulation to extract the RF figure of merits such as transconductance generation factor (gm/Id), cut-off frequency (ft) and maximum oscillation frequency (fmax). The effect of different gate length ratios has also been reported. The result shows that TMG-FinFET exhibit superior RF performance as compared to SMG and DMG- FinFET.
本文介绍了门控FinFET的射频性能。浇口工程是将不同的材料具有不同的工作功能施加在设备浇口上,并研究其对设备运行的影响的过程。我们分析了单材料栅极(SMG)、双材料栅极(DMG)和三材料栅极(TMG) FinFET的射频性能特性。我们使用三维器件仿真方法提取了跨导产生因子(gm/Id)、截止频率(ft)和最大振荡频率(fmax)等优点的射频图。不同栅长比的影响也有报道。结果表明,与SMG和DMG- FinFET相比,TMG-FinFET具有更好的射频性能。
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引用次数: 7
Speech recognition using MFCC and DTW 基于MFCC和DTW的语音识别
Pub Date : 2014-06-19 DOI: 10.1109/ICAEE.2014.6838564
B. J. Mohan, N. Babu
Speech recognition has wide range of applications in security systems, healthcare, telephony military, and equipment designed for handicapped. Speech is continuous varying signal. So, proper digital processing algorithm has to be selected for automatic speech recognition system. To obtain required information from the speech sample, features have to be extracted from it. For recognition purpose the feature are analyzed to make decisions. In this paper implementation of Speech recognition system in MATLAB environment is explained. Mel-Frequency Cepstral Coefficients (MFCC) and Dynamic Time Wrapping (DTW) are two algorithms adapted for feature extraction and pattern matching respectively. Results are obtained by one time training and continuous testing phases.
语音识别在安全系统、医疗保健、电话军事和残疾人设备中有着广泛的应用。语音是连续变化的信号。因此,自动语音识别系统必须选择合适的数字处理算法。为了从语音样本中获得所需的信息,必须从语音样本中提取特征。为了识别目的,对特征进行分析并做出决策。本文阐述了语音识别系统在MATLAB环境下的实现。Mel-Frequency倒谱系数(MFCC)和动态时间包裹(DTW)是两种分别用于特征提取和模式匹配的算法。结果通过一次训练和连续测试两个阶段得到。
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引用次数: 78
Design of robust controller for VSC based HVDC using Genetic Algorithm 基于遗传算法的VSC型高压直流鲁棒控制器设计
Pub Date : 2014-06-19 DOI: 10.1109/ICAEE.2014.6838495
M. Janaki, R. Thirumalaivasan, N. Prabhu
The Voltage Source Converter based HVDC provides asynchronous interconnection between two AC systems. The use of VSC HVDC enables independent control of real and reactive power. The VSC based HVDC transmission system consists of two converter stations connected by a dc cable/line. This paper presents modelling and the design of controller for VSC HVDC. The various operating cases of VSC HVDC are considered. In each case there are several controllers gains in HVDC link. A systematic approach is used for selecting the controller parameters and Genetic Algorithm (GA) is used for tuning the controller parameters. The various operating cases of VSC HVDC are considered in controller parameters optimization. The GA enables the usage of the same controller gains for all operating cases while maintaining the system stability.
基于电压源变换器的高压直流输电提供了两个交流系统之间的异步互联。使用VSC HVDC可以独立控制实功率和无功功率。基于VSC的高压直流输电系统由两个换流站组成,由直流电缆/线路连接。本文介绍了VSC型高压直流系统的建模和控制器设计。考虑了VSC高压直流的各种运行情况。在每一种情况下,在高压直流链路中都有几个控制器增益。采用系统的方法选择控制器参数,采用遗传算法对控制器参数进行整定。在优化控制器参数时,考虑了VSC高压直流的各种运行情况。在保持系统稳定性的同时,GA能够在所有操作情况下使用相同的控制器增益。
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引用次数: 5
A high gain DC-DC converter using voltage multiplier 一种使用电压倍增器的高增益DC-DC转换器
Pub Date : 2014-06-19 DOI: 10.1109/ICAEE.2014.6838480
P. K. Maroti, M. Ranjana, B. Revathi
This paper presents a single switch topology of DC-DC multilevel buck-boost converter with very high voltage gain ratio. It is a pulse width modulation (PWM) based multilevel buck-boost converter (MLBBC) consisting of 2N-1 Diodes, 2N-1 capacitors for N level boost converter. The proposed converter topology is a combination of buck-boost converter and cockcroft-walton voltage multiplier. The main advantage of proposed topology is output voltage can be increased by increasing number of capacitors and diodes at output side without disturbing the main circuit. The mathematical analysis and circuit operation discussed.
本文提出了一种具有很高电压增益比的DC-DC多电平降压升压变换器的单开关拓扑结构。它是一种基于脉冲宽度调制(PWM)的多电平降压-升压转换器(MLBBC),由2N-1二极管和2N-1电容器组成,用于N电平升压转换器。所提出的变换器拓扑结构是降压-升压变换器和cockcroft-walton电压乘法器的组合。所提出的拓扑结构的主要优点是输出电压可以通过在输出侧增加电容器和二极管的数量来增加,而不会干扰主电路。讨论了数学分析和电路操作。
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引用次数: 5
Implementation of Shortest path planning algorithm without track using FPGA robot: A new approach 用FPGA机器人实现无轨迹最短路径规划算法:一种新方法
Pub Date : 2014-06-19 DOI: 10.1109/ICAEE.2014.6838555
M. Chinnaiah, G. DivyaVani, T. Satyasavithri, P. RajeshKumar
This paper presents a shortest path algorithm for FPGA based robot which can assist in industrial environment for various tasks. When a desired task is assigned to the robot, it chooses a shortest path from the source to the destination. Path planning is an important issue for an autonomous robot to fulfill any desired task. Today many robots implement the path planning depending on the track, but practically track doesn't exists. So path planning with track is not a right choice. This paper overcomes tracking path issues, estimates the exact position, and improves effective localization and accuracy using land mark determination (RFID). With the help of ultrasonic sensors, the robot overcomes all the obstacles in its path. By using obstacle avoidance approach, a robot can perform a desired task using optimal resources. When a navigation task is assigned to the robot, it starts from there evaluating shortest distance to reach the destination. The proposed Robot is incorporated with Xilinx board XC3S500E (FPGA Spartan 3E) and RFID reader which checks the signal from RFID tags to localize the robot with respect to global position. The destination location is received from the remote location and the shortest path is computed by algorithm. The Implementation results have been shown and estimation of shortest path is done successfully.
本文提出了一种基于FPGA的机器人最短路径算法,该算法可以辅助工业环境中完成各种任务。当任务分配给机器人时,机器人会选择从源到目标的最短路径。路径规划是自主机器人完成任务的一个重要问题。目前很多机器人都是根据轨迹来实现路径规划的,但实际上轨迹是不存在的。所以带轨道的路径规划不是一个正确的选择。本文克服了跟踪路径的问题,估计准确的位置,并提高了有效的定位和精度使用的地标确定(RFID)。在超声波传感器的帮助下,机器人克服了路上的所有障碍。利用避障方法,机器人可以利用最优资源完成期望的任务。当给机器人分配导航任务时,它从那里开始计算到达目的地的最短距离。该机器人集成了Xilinx XC3S500E (FPGA Spartan 3E)和RFID读取器,该读取器检查来自RFID标签的信号以定位机器人的全局位置。从远端位置接收目的位置,并通过算法计算出最短路径。最后给出了实现结果,并成功地完成了最短路径的估计。
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引用次数: 12
期刊
2014 International Conference on Advances in Electrical Engineering (ICAEE)
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