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2018 IEEE International Symposium on Smart Electronic Systems (iSES) (Formerly iNiS)最新文献

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Characterization of Thin Zirconia Films Deposited by ECD on ITO Coated Glass for Biosensing Applications 电化学沉积氧化锆薄膜在ITO镀膜玻璃上的生物传感应用
Hiranya Ranjan Thakur, Gaurav Keshwani, J. Dutta
This work explores the feasibility of electrochemical deposition (ECD) of zirconia on ITO coated glass. The thickness and morphology of the zirconia layers are very much affected by the process conditions such as temperature, working electrode potential, current density, deposition time and properties of the solvent. The effect of these factors on the quality of the layers formed has been considered in detail in this paper. Zirconia films (ZrO2) of different thickness have been deposited electrochemically on ITO coated glass. Experiments have been carried out in aqueous and non-aqueous electrolyte solution of zirconium tetra chloride (ZrCl4) at different temperatures. The thickness of the deposited layers varied within the range of 35–256 nm. The formation of stoichiometric layer of ZrO2 has been confirmed by X-ray diffraction and SEM results.
本文探讨了氧化锆在ITO镀膜玻璃上电化学沉积的可行性。氧化锆层的厚度和形貌受温度、工作电极电位、电流密度、沉积时间和溶剂性质等工艺条件的影响很大。本文详细讨论了这些因素对成形层质量的影响。在ITO镀膜玻璃上电化学沉积了不同厚度的氧化锆薄膜。在不同温度的四氯化锆(ZrCl4)水溶液和非水电解质溶液中进行了实验。沉积层的厚度在35 ~ 256 nm之间。x射线衍射和扫描电镜结果证实了ZrO2化学计量层的形成。
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引用次数: 1
Correlation of Dynamic and Static Metrics of SRAM Cell under Time-Zero Variability and After NBTI Degradation 时间零变异性和NBTI降解后SRAM细胞动态和静态指标的相关性
S. P. Chaudhari, Jani Babu Shaik, S. Singhal, Nilesh Goel
Static metrics are often used to characterize read stability and write-ability of an SRAM cell. In this paper, two major dynamic SRAM metrics: critical read stability (TREAD) and critical writeability (TWRITE) are discussed and correlated with static metrics. For correlation between dynamic and static metrics, variability analysis is carried out at time-zero and after NBTI degradation of the SRAM cell. Shift in correlation factor is compared for before and after NBTI degradation. Assessment of correlation between dynamic and static metrics is used to identify those static metrics which best capture the dynamic behavior of the cell.
静态指标通常用于描述SRAM单元的读取稳定性和可写性。本文讨论了两个主要的动态SRAM指标:临界读稳定性(TREAD)和临界可写性(TWRITE),并将其与静态指标相关联。对于动态和静态指标之间的相关性,在时间零和NBTI降解后的SRAM单元进行了变异性分析。比较了NBTI退化前后相关因子的位移。动态和静态度量之间的相关性评估用于识别那些最能捕获单元动态行为的静态度量。
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引用次数: 4
Modeling of Square Microhotplate and its Validation with Experimental Results 方形微热板的建模及实验验证
G. Saxena
A simple square microhotplate with a S-Shaped heater is designed, fabricated and tested. The fabricated microhotplate operates at a temperature of 380K, with a power consumption of 306mW and a heating efficiency of 1.810–6W/µm2. Mathematical model, utilizing a new triangular approach, has been developed for predicting the power consumption of microhotplate. Triangular approach for estimating the membrane area has resulted in a smaller (<1%) area error when compared to existing strip or circular approach. The triangular approach has thus led to an accurate calculation of membrane thermal resistance and power consumption. The developed model is in close agreement (within 9%) with the experimental and FEM simulation results.
设计、制作并测试了一种带有s型加热器的简易方形微热板。所制备的微热板工作温度为380K,功耗为306mW,加热效率为1.810-6W /µm2。利用新的三角法,建立了微热板功耗预测的数学模型。与现有的条形或圆形方法相比,用于估算膜面积的三角形方法导致的面积误差更小(<1%)。三角形方法因此导致了膜热阻和功耗的精确计算。所建立的模型与实验和有限元模拟结果吻合度在9%以内。
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引用次数: 2
Modified Tent Map Based Design for True Random Number Generator 基于改进帐篷图的真随机数生成器设计
Dhirendra Kumar, Kasif Nabi, P. K. Misra, M. Goswami
This paper introduces design and implementation of True Random Number Generator (TRNG) based on discrete time chaos map, which uses two chaotic maps to avoid the limitation of lesser entropy generated using single chaotic map based TRNG and offset error of the current mirror as well as the mismatch of transistor for enhanced randomness. The proposed architecture is implemented considering two modified tent map (MTM) together with different design of sample and hold (S/H) and comparator circuits. The design utilizes less resources yielding hardware redundancy and also enhances the level of randomness. This TRNG have been designed and validated using 180nm CMOS technology in cadence virtuoso tool. Power dissipation and speed have been obtained as 2.4mW and 50Mbps respectively. The generated random bit stream have also been sampled and converted to binary format in MATLAB and tested through NIST 800.22 statistical test suite for validation. The proposed design pass efficiency is more than 90%.
本文介绍了一种基于离散时间混沌映射的真随机数发生器(TRNG)的设计与实现,该方法利用两个混沌映射来避免基于单混沌映射的真随机数发生器产生的小熵和电流镜的偏移误差以及晶体管的失配对增强随机性的限制。该结构考虑了两种改进的帐篷图(MTM)以及不同的采样和保持(S/H)和比较器电路设计。该设计利用较少的资源产生硬件冗余,并提高了随机性水平。该TRNG已在cadence virtuoso工具中使用180nm CMOS技术进行设计和验证。功耗和速度分别为2.4mW和50Mbps。生成的随机比特流也在MATLAB中进行了采样和转换为二进制格式,并通过NIST 800.22统计测试套件进行了测试验证。提出的设计通过率在90%以上。
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引用次数: 4
A 40nm Low Power High Stable SRAM Cell Using Separate Read Port and Sleep Transistor Methodology 一种40nm低功耗高稳定SRAM单元,采用分离读端口和睡眠晶体管方法
J. Mishra, Harsh Srivastava, P. K. Misra, M. Goswami
At lower technology, the static power dissipation and stability of conventional six transistors static random access memory (SRAM) cell poses a major issue. To address this issue, a novel eleven transistor (11T) SRAM cell for improving read stability and reducing the static power dissipation is proposed in this work. In the proposed 11T SRAM cell, the storing node isolates from the read bit line using separate read port while sleep transistor methodology is explored for power saving. With this the read static noise margin (RSNM) value of proposed design is enhanced by 6x, 2.3x, 2.7x and 1.3x when compared with basic 6T SRAM cell, 11T ST2 SRAM cell, 11T ST1 SRAM cell, ST11T SRAM cell respectively. The write stability is also enhanced by 1.6x over basic 6T SRAM cell, 1.14x over 11T SRAM and penalty of 1.17x when compared with other 11T SRAM cell. Further, using the sleep transistor methodology the static power consumption of the proposed design has been reduced by 4.6x when compared with basic 6T SRAM cell. The proposed 11T SRAM cell has been verified in 40nm CMOS technology node using cadence virtuoso tool.
在较低的技术水平上,传统的六晶体管静态随机存取存储器(SRAM)单元的静态功耗和稳定性是一个主要问题。为了解决这个问题,本文提出了一种新的11晶体管(11T) SRAM单元,以提高读取稳定性并降低静态功耗。在提出的11T SRAM单元中,存储节点使用单独的读端口与读位线隔离,同时探索休眠晶体管方法以节省电力。与基本的6T SRAM单元、11T ST2 SRAM单元、11T ST1 SRAM单元、ST11T SRAM单元相比,该设计的读静态噪声裕度(RSNM)值分别提高了6倍、2.3倍、2.7倍和1.3倍。写入稳定性也比基本的6T SRAM单元提高了1.6倍,比11T SRAM单元提高了1.14倍,与其他11T SRAM单元相比降低了1.17倍。此外,使用睡眠晶体管方法,与基本的6T SRAM单元相比,所提出的设计的静态功耗降低了4.6倍。采用cadence virtuoso工具在40nm CMOS技术节点上对所提出的11T SRAM单元进行了验证。
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引用次数: 4
Design of Area-Power-Delay Efficient Square Root Carry Select Adder 区域功率延迟高效平方根进位选择加法器的设计
Chetan Kamble, K. SiddharthR., Shivnarayan Patidar, M. H. Vasantha, Nithin Y. B. Kumar
This work proposes a simple and efficient way of designing a Square-root Carry Select Adder (SQRT-CSLA). The transistor-level modification in the Carry Select Adder (CSLA) significantly reduces the hardware complexity and power dissipation. Based on this modification, an 8-bit, 16-bit, 32-bit and 64-bit Square-root CSLA architecture is designed. The proposed design is simulated at a transistor level in a 180 nm, CMOS technology with a supply voltage of 1.8 V. The proposed design is able to achieve 30% reduction in Power-Delay Product (PDP) compared to the existing architectures.
本文提出了一种简单有效的平方根进位选择加法器(SQRT-CSLA)设计方法。进位选择加法器(CSLA)的晶体管级修改显著降低了硬件复杂度和功耗。在此基础上,设计了8位、16位、32位和64位的平方根CSLA体系结构。该设计在180nm CMOS技术下进行了晶体管级仿真,电源电压为1.8 V。与现有架构相比,所提出的设计能够将功率延迟产品(PDP)降低30%。
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引用次数: 0
Compact UWB Antenna for S, C, and X Bands Applications 用于S, C和X波段应用的紧凑型UWB天线
Anil Kumar Nayak, Debasis Gountia, Baruna Kumar Turuk, Sashi Bhusan Panda
In this paper, a compact antenna with improved gain, reduced dimension, and enhanced bandwidth for Ultra Wide Band (UWB) characteristics has been realized. The microstrip line (ML) is used to feed section of the UWB antenna followed by a semicircular patch. The ground part has inserted the combination of the rectangular and semicircular patch. This ground part gives the enhanced bandwidth and semicircular path gives the improved gain. The proposed antenna is used for radar and satellite communication system. The prototype of the antenna is fabricated and tested with a dimension of 21.6 x 12.6 x 2.54 mm3. The measured results are found to be sufficiently close with the simulation results. It has a gain of 2.625 to 6.4 dBi, impedance bandwidth of 10 GHz with a range of 2.5 to 12.5 GHz and radiation efficiency of 80-87.5 % have achieved over the band.
本文实现了一种具有提高增益、减小尺寸和增强带宽的超宽带(UWB)天线。微带线(ML)用于UWB天线的馈电部分,然后是半圆形贴片。接地部分插入了矩形和半圆形贴片的组合。该接地部分增强了带宽,半圆路径提高了增益。该天线用于雷达和卫星通信系统。天线的原型制作和测试尺寸为21.6 x 12.6 x 2.54 mm3。实测结果与仿真结果相当接近。它的增益为2.625 ~ 6.4 dBi,阻抗带宽为10 GHz,范围为2.5 ~ 12.5 GHz,在该频段内的辐射效率达到80 ~ 87.5%。
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引用次数: 4
Design and Analysis of Current Starved VCO Targeting SCL 180 nm CMOS Process 针对SCL 180nm CMOS工艺的电流饥渴VCO设计与分析
C. Shekhar, S. Qureshi
This paper presents a low power 5-stage current starved voltage controlled oscillator, designed at 50 MHz. For control voltage varying from 0.4 V to 1.6 V, the oscillator frequency linearly varies from 7 MHz to 105 MHz linearly. At supply voltage of 1.8 V, the circuit is low power (134 µW) in comparison to circuits reported in the literature. It exhibits a phase noise of -101.9 dBc/Hz at 1 MHz offset from 50 MHz carrier frequency. The circuit is designed in SCL 180 nm CMOS process using cadence environment.
本文提出了一种低功耗5级缺流压控振荡器,设计频率为50mhz。当控制电压从0.4 V到1.6 V变化时,振荡器频率线性变化从7mhz到105mhz。在电源电压为1.8 V时,与文献中报道的电路相比,该电路功耗低(134 μ W)。在50mhz载波频率偏移1mhz时,相位噪声为-101.9 dBc/Hz。该电路采用SCL 180nm CMOS工艺,在cadence环境下设计。
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引用次数: 7
A Power Efficient Crossbar Arbitration in Multi-NoC for Multicast and Broadcast Traffic 多播和广播业务Multi-NoC中的高效交叉仲裁
Sonal Yadav, V. Laxmi, H. Kapoor, M. Gaur, Mark Zwolinski
Large scale chip multiprocessors employ a multi-NoC, consisting of multiple physical channels for inter-core communication. Placement of a custom arbitration logic can improve the critical path delay and relax the worst case timing closure of the network. In particular, it can effectively distribute and manage the traffic from the multi-threaded workloads among the multiple networks of the NoC. This paper gives the design and implementation of the arbitration logic at the router crossbars. The results are compared with baseline NoC and other multi-NoC architectures. The proposed energy efficient router saves up to 57% of the router power consumption.
大型芯片多处理器采用multi-NoC,由多个物理通道组成,用于核间通信。自定义仲裁逻辑的放置可以改善关键路径延迟,并放松网络的最坏情况定时关闭。特别是,它可以在NoC的多个网络之间有效地分配和管理来自多线程工作负载的流量。本文给出了路由器横杆仲裁逻辑的设计与实现。结果与基准NoC和其他多NoC架构进行了比较。所提出的节能路由器可节省高达57%的路由器功耗。
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引用次数: 2
An Attempt to Develop an IOT Based Vehicle Security System 开发基于物联网的车辆安全系统的尝试
Debajyoti Mukhopadhyay, Megha Gupta, Tahesin Attar, Prajakta S. Chavan, Vidhi S. Patel
As the amount of urban vehicle grows rapidly, vehicle theft has become a shared concern for all citizens. Security and safety have always become a necessity for urban population. However, present anti-theft systems lack the tracking and monitoring function. Internet of things(IOT) has been governing the electronics era with cloud services dominating the ever-increasing electronics product segment. Thus, there is a need to develop a system for providing security to the vehicle from problems like theft and towing using IOT for security of automobiles and passengers. Our system proposes a novel security system based on wireless communication and a lowcost Bluetooth module. This paper illustrates a model in which the GSM is used for sending messages. the user can control the engine/ignition and turn it off if needed. The system also employs a password through keypad (with maximum 3 chances) which controls the opening of a safety locker door as well as wearing of a seat belt. If there is a window intruder, the IR module/sensor detects the intruder, or any obstacle and it sends a signal to the micro controller. The controller is connected to a Bluetooth module and to an alarm system. The System transmits an alert signal to the dashboard (which is nothing but a mobile handset) which sends an alert signal to the user's mobile phone. The prototype also provides a solution to the problem like Towing. Thus, the system uses Bluetooth module and controller to control the security system from the user's mobile phone by means of any device with a potential Internet connection.
随着城市车辆数量的快速增长,车辆盗窃已成为所有市民共同关注的问题。安全与保障一直是城市人口的必需品。然而,目前的防盗系统缺乏跟踪和监控功能。物联网(IOT)主导着电子时代,云服务主导着日益增长的电子产品领域。因此,有必要开发一种系统,利用物联网为汽车和乘客的安全提供安全保障,以防止盗窃和拖拽等问题。本系统提出了一种基于无线通信和低成本蓝牙模块的新型安全系统。本文阐述了一种利用GSM发送消息的模型。用户可以控制发动机/点火和关闭它,如果需要。该系统还通过键盘输入密码(最多3次),控制安全柜门的打开以及系安全带。如果有窗口入侵者,红外模块/传感器检测到入侵者或任何障碍物,并向微控制器发送信号。控制器与蓝牙模块和报警系统相连。系统将警报信号发送到仪表板(这只是一个手机),仪表板将警报信号发送到用户的手机。该原型还为拖拽等问题提供了解决方案。因此,该系统使用蓝牙模块和控制器,通过任何具有潜在互联网连接的设备,从用户的移动电话控制安全系统。
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引用次数: 20
期刊
2018 IEEE International Symposium on Smart Electronic Systems (iSES) (Formerly iNiS)
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