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2016 5th International Conference on Electronic Devices, Systems and Applications (ICEDSA)最新文献

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An event driven surveillance system 事件驱动的监控系统
N. Al-Yamani, S. Qaisar, Abrar S. Alhazmi, S. Mohammad, A. Subasi
In recent era surveillance systems play a vital role in our daily life. The goal of surveillance systems is to collect the desired information about concerned targets in the sensing environment. Traditional surveillance systems are limited by a predefined monitoring pattern. It can render a reduced system reliability. Moreover, the system is always functional regardless of the target presence. It results in an increased and useless system activity, resources utilization and power consumption. In this context an event driven human surveillance system is devised. It overcomes these drawbacks up to a certain extent by smartly combining a sensors assembly along with a camera, embedded processor and classifiers. Except the low power object detector, detection of concerned object in the surveillance zone, the remaining system is kept in sleep mode. On the detection of an event the system modules like embedded processor, target location detectors, camera, etc. are activated. The event occurrence can also activate the lightning system depending on the sensing environment illumination condition. The target location, within the field of view, is provided by the location detectors. This information is employed to pilot the actuator in order to update the camera positioning. The captured images are analysed by the human detector module. Further actions like image storage, video recording, etc. are taken depending on the human detector output. The proposed system functionality is verified with an experimental setup. Results demonstrate the devised system self-organisation feature. It results into an improved performance of the proposed system, in terms of system resources utilization, reliability and power consumption compared to the counter traditional ones.
在当今时代,监控系统在我们的日常生活中起着至关重要的作用。监视系统的目标是在传感环境中收集有关目标的所需信息。传统的监测系统受到预定义监测模式的限制。它会降低系统的可靠性。此外,无论目标是否存在,系统都始终正常工作。它会导致无用的系统活动、资源利用率和功耗增加。在此背景下,设计了事件驱动的人类监测系统。它通过巧妙地将传感器组件与摄像头、嵌入式处理器和分类器结合在一起,在一定程度上克服了这些缺点。除低功耗目标探测器检测监控区域内相关物体外,其余系统保持休眠模式。在检测到事件时,系统模块如嵌入式处理器、目标位置检测器、摄像头等被激活。事件的发生还可以根据感应环境的光照条件激活闪电系统。在视场内的目标位置由位置探测器提供。该信息用于引导执行器以更新相机定位。人体检测模块对采集到的图像进行分析。进一步的动作,如图像存储,视频记录等,采取取决于人类探测器的输出。通过实验装置验证了所提出的系统功能。结果表明设计的系统具有自组织特性。与传统系统相比,该系统在系统资源利用率、可靠性和功耗方面都得到了提高。
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引用次数: 12
Measurement and analysis of solar irradiation and other related meteorological parameters in Ras Al Khaimah, UAE 阿联酋哈伊马角太阳辐照及其他相关气象参数的测量与分析
O. Akash, M. Mohsen
This paper presents measurement of actual solar radiation, ambient shaded temperature, relative humidity and barometric pressure in Ras Al Khaimah-UAE (25°47'N 55°57'E) throughout the period from January 2013 until December 2015, throughout this period maximum and minimum values of solar irradiance and temperature are shown, monthly average solar irradiance and temperature values throughout the three years were calculated. The maximum solar irradiance value during the three years was found to be 1289 W/m2 while the maximum recorded temperature during the three years was found to be 50.1 C and the minimum recorded temperature throughout this period was 8.1 C, average relative humidity was calculated during 4 different months in 2014. The results showed relatively high solar radiation values throughout the three years.
本文介绍了2013年1月至2015年12月期间在阿联酋Ras Al khaimah(25°47′n 55°57′e)的实际太阳辐射、环境阴影温度、相对湿度和气压的测量结果,并给出了此期间太阳辐照度和温度的最大值和最小值,计算了三年内的月平均太阳辐照度和温度值。2014年3年的最大太阳辐照度为1289 W/m2, 3年的最高气温为50.1 C, 3年的最低气温为8.1 C,计算了4个月的平均相对湿度。结果表明,三年中太阳辐射值相对较高。
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引用次数: 2
Ultra-low-power, small footprint, 120 GHz, CMOS radio transmitter with on-chip antenna for Internet of Things (IoT) 超低功耗,占地面积小,120ghz, CMOS无线电发射机,片上天线,用于物联网(IoT)
B. A. Shehhi, Rida Gadhafi, M. Sanduleanu
The paper presents the design of a 65nm CMOS low-power transmitter (Tx) as subsystem of an IoT transceiver (TRx). The Tx has no power amplifier (PA), Phase-locked loop (PLL) or external crystal. An on-chip resonator provides frequency accuracy. The Tx employs a novel, low-voltage modified Colpitts oscillator working at 60 GHz and a frequency doubler to generate On-Off-Keying (OOK) data on a 120 GHz carrier. For low power, the frequency doubler reuses VCO's current to deliver a −20dBm signal in 50 Q load. The 120 GHz antenna was integrated on chip.
本文介绍了一种65nm CMOS低功耗发射器(Tx)作为物联网收发器(TRx)子系统的设计。Tx没有功率放大器(PA),锁相环(PLL)或外部晶体。片上谐振器提供频率精度。Tx采用了一种新颖的低压改进的科尔皮茨振荡器,工作频率为60 GHz,并采用了一个倍频器,在120 GHz载波上产生开关键控(OOK)数据。对于低功耗,倍频器在50q负载下复用VCO的电流以提供−20dBm的信号。120千兆赫天线集成在芯片上。
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引用次数: 1
Extended grouping of RFID tags based on progressive edge-growth methods 基于渐进式边缘生长方法的RFID标签扩展分组
Reem Alkanhel, M. Ambroze
This paper proposes a novel method for recovering missing radio frequency identification (RFID) tag identifiers from a group, based on progressive edge-growth (PEG) methods. Extended grouping of RFID tags allows the recovery of missing tag identifiers without external systems such as databases. Motivated by the properties of Tanner graphs, or equivalently, parity check matrices constructed using PEG methods, extended grouping via the PEG method is proposed. In addition, this paper examines the performance and complexity of Gaussian elimination (GE) and iterative (IT) decoding algorithms. Simulation results are presented, showing that the proposed method can make significant missing recovery enhancements compared to other extended grouping methods.
本文提出了一种基于递进边缘生长(PEG)方法从一组标签中恢复丢失的RFID标签标识符的新方法。RFID标签的扩展分组允许在没有外部系统(如数据库)的情况下恢复丢失的标签标识符。利用利用PEG方法构造的Tanner图或等价奇偶校验矩阵的性质,提出了基于PEG方法的扩展分组方法。此外,本文还研究了高斯消去(GE)和迭代(IT)译码算法的性能和复杂度。仿真结果表明,与其他扩展分组方法相比,该方法能显著增强缺失恢复。
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引用次数: 3
Noise robust speech recognition using parallel model compensation and voice activity detection methods 基于并行模型补偿和语音活动检测方法的噪声鲁棒语音识别
Serhat Hizlisoy, Z. Tufekci
The main purpose of this study is to increase the performance of a speech recognition system under noisy environments. In this study Voice Activity Detection (VAD) methods is used for estimating the noise model, and Parallel Model Compensation (PMC) is used for estimating the noisy speech model using the clean speech model and noise model which is estimated using a VAD method. Performances of the baseline and four well known VAD methods have been compared for noisy speech recognition. In addition to this, a new VAD method is proposed to estimate parameters of the noise model. The proposed VAD method's speech recognition performance is better than the most of the well-known VAD methods despite less computational requirement of the proposed VAD method compared to these well-known VAD methods.
本研究的主要目的是提高语音识别系统在噪声环境下的性能。本研究采用语音活动检测(Voice Activity Detection, VAD)方法对噪声模型进行估计,并采用并行模型补偿(Parallel model Compensation, PMC)方法对含噪语音模型进行估计,使用VAD方法对纯净语音模型和噪声模型进行估计。比较了基线和四种已知的VAD方法在噪声语音识别中的性能。此外,提出了一种新的VAD方法来估计噪声模型的参数。与大多数已知的VAD方法相比,所提出的VAD方法的计算量较少,但其语音识别性能优于大多数已知的VAD方法。
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引用次数: 3
A real-time implementation of MPPT-based on P&O method 基于P&O方法的mpt实时实现
Maissa Farhat, O. Barambones, L. Sbita
This paper presents a mathematical modelling of Photovoltaic system incorporating a maximum power point tracking controller (MPPT). The MPPTs controller are used to insure a high PV system performance In order to perform this goal a special interest was focused on the well-known P&O algorithm. This algorithm will be tested in real time under variation in the irradiation and load disturbance. A work dealing with MPPT controller, a DC/DC Boost converter feeding a resistive load is achieved. Significant extracted results are given to prove the validity of the proposed overall PV system control scheme.
本文提出了一个包含最大功率点跟踪控制器(MPPT)的光伏系统数学模型。MPPTs控制器用于确保光伏系统的高性能,为了实现这一目标,我们特别关注了著名的P&O算法。该算法将在辐照变化和负载扰动下进行实时测试。实现了与MPPT控制器、DC/DC升压变换器馈送电阻负载的工作。给出了重要的提取结果,证明了所提出的光伏系统整体控制方案的有效性。
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引用次数: 16
A wearable textile dipole for search and rescue application 用于搜索和救援的可穿戴纺织品偶极子
Ezzaty Faridah Nor Mohd Hussin, P. Soh, M. Abdulmalek, M. Jamlos, Muhammad Ameerul Fikrey Fauzi, H. Lago, H. Rahim
A wearable textile antenna for search and rescue application is presented in this work. It is designed based on the dipole topology to operate at 406 MHz for the Cospas-Sarsat application and fabricated fully using textile materials. The meanderline miniaturization technique is chosen to compact the proposed dipole due to its expected large size and wavelength at 406 MHz. The antenna evaluated in planar and bent forms indicated satisfactory performance when evaluated in terms of reflection coefficients, gain and radiation patterns.
提出了一种用于搜救的可穿戴纺织天线。它是基于偶极子拓扑设计的,为Cospas-Sarsat应用工作在406 MHz,并完全使用纺织材料制造。由于偶极子具有较大的尺寸和406 MHz的波长,因此选择了曲线小型化技术来压缩所提出的偶极子。在反射系数、增益和辐射方向图方面,以平面和弯曲形式评估的天线表现出令人满意的性能。
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引用次数: 2
Impact of technology scaling on the performance of DRAMs 技术扩展对dram性能的影响
S. Sharroush
There is no doubt that the CMOS technology scaling affects significantly the performance of the one-transistor one capacitor dynamic-random access memories (1T-1C DRAMs). In this paper, the effect of CMOS technology scaling and the change of the fabrication techniques of the access transistor and the cell-storage capacitor on the performance of DRAMs are investigated and discussed qualitatively. The metrics that are taken as the criteria for evaluating the performance of the DRAM are the chip area, the power consumption, the cycle time, and the sense margin. The simulation results ascertain this impact.
毫无疑问,CMOS技术的缩放会显著影响单晶体管单电容动态随机存取存储器(1T-1C dram)的性能。本文定性地探讨了CMOS技术的缩放、晶体管和电容的制造工艺的变化对dram性能的影响。作为评价DRAM性能的标准的指标是芯片面积、功耗、周期时间和感知余量。仿真结果证实了这种影响。
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引用次数: 4
Induction switched reluctance machine for wind power conversion 用于风力发电转换的感应开关磁阻电机
M. Abbasian, V. Hanaeinejad
Wind generators have significant advantages in terms of green house effect and air pollution, compared to other electrical energy resources. Permanent magnet synchronous machines and induction machines are widely used for wind energy applications. Switched Reluctance Machine (SRM) is commonly used in motoring applications. But implementation of this machine in wind energy applications is considered in recent years. In this paper, a new electrical machine, Induction Switched Reluctance Machine (ISRM), is introduced for wind application. This electrical machine has short flux path in a non-segmental rotor. A 2-D finite element model of ISRM is constructed and solved and the flux path and torque profile of the machine are presented.
与其他电能资源相比,风力发电机在温室效应和空气污染方面具有显著优势。永磁同步电机和感应电机广泛用于风能应用。开关磁阻电机(SRM)通常用于电机应用。但近年来正在考虑将这种机器应用于风能。介绍了一种用于风力发电的新型电机——感应开关磁阻电机(ISRM)。该电机在非分段转子中具有短磁通路径。建立并求解了ISRM的二维有限元模型,给出了机床的磁链路径和转矩分布。
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引用次数: 2
Energy-aware ECG sensing scheme for M-health applications 面向移动医疗应用的能量感知心电传感方案
Manan Almusallam, A. Soudani
Wireless body sensor networks (WBSN), elected as a promising infrastructure for mobile health (m-health) applications and e-healthcare, are facing many challenges related to their powering and processing capabilities. In depth, the available hardware resources and energy embedded on these tiny body sensors, to record and transmit continuous streams of unprocessed biosignals, are limited and cannot ensure practical life time of the sensing system. An interesting approach for efficient energy body sensing is to extract relevant features of the signal at the source level and to transmit them instead of the sending continuous data. This paper focuses on the presentation of a low-power ECG sensing approach that is intended to extend the wireless body network life time. It discusses the design and the performance analysis of this approach. The obtained results attest about the efficiency of the proposed scheme for energy aware ECG sensing and its adequacy to be implemented in WBSN.
无线身体传感器网络(WBSN)被选为移动医疗(m-health)应用和电子医疗的有前途的基础设施,但在供电和处理能力方面面临着许多挑战。在深度上,这些微小的身体传感器上可用的硬件资源和能量有限,无法记录和传输未经处理的连续生物信号流,无法保证传感系统的实际使用寿命。一种有效的能量体传感方法是在源级提取信号的相关特征并将其传输,而不是发送连续的数据。本文重点介绍了一种低功耗心电传感方法,旨在延长无线身体网络的使用寿命。讨论了该方法的设计和性能分析。实验结果表明,所提出的能量感知心电传感方案是有效的,适合应用于小波网络。
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引用次数: 1
期刊
2016 5th International Conference on Electronic Devices, Systems and Applications (ICEDSA)
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