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2017 Eleventh International Conference on Sensing Technology (ICST)最新文献

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Self adjustable daylight sensor for lighting systems 用于照明系统的自调节日光传感器
Pub Date : 2017-12-04 DOI: 10.1109/ICSENST.2017.8304425
D. Kacprzak
This paper describes a concept of a daylight sensor, which maintains its dimming function constant regardless the changes to the objects placed in the room. The existing and commercially available sensors are strongly affected by the surface reflectance of the furniture in the rooms. However the proposed sensor, with its logic circuit, ensures daylight dimming not affected by the highly reflective furniture. This paper presents the principle of the sensor's operation supported by numerical results obtained from lighting design software DIALux. The logic process performed in the microcontroller is also explained. Finally results from testing of a prototype are discussed and compared to the action of a commercially available sensor. It is concluded that the newly proposed sensor offers very good stability of the dimming function and it is not affected by the highly reflective objects and furniture introduced to the room.
本文描述了一种日光传感器的概念,无论室内物体的变化如何,该传感器都能保持其调光功能不变。现有的和商业上可用的传感器受到房间中家具表面反射率的强烈影响。然而,拟议的传感器,其逻辑电路,确保日光调光不受高反射家具的影响。本文介绍了该传感器的工作原理,并以照明设计软件DIALux的数值计算结果为依据。并说明了在微控制器中执行的逻辑过程。最后讨论了原型测试的结果,并与市售传感器的动作进行了比较。结果表明,该传感器具有良好的调光稳定性,不受室内高反射物体和家具的影响。
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引用次数: 1
Wheatstone bridge approach to the inspection of composite materials 惠斯通电桥复合材料的检验方法
Pub Date : 2017-12-04 DOI: 10.1109/ICSENST.2017.8304435
D. Kacprzak, I. Tuleasca
Composite materials are used as main building blocks in aviation industry, due to better characteristics as compared with aluminium and alloys. Inspection methods for these materials must offer reliable information to enable a thorough assessment of the structural integrity of the aircraft. Non-destructive testing methods NDT are at the forefront of these techniques, where the associated sensors have to offer reliable data, based on flexible, non-contact and low cost equipament. The paper presents an eddy currents based NDT technique that enables the depiction of 1D and 2D flaws in carbon fibre reinforced polymer CFRP, where the associated electronic circuit block is based on a Wheatstone bridge for signal acquisition and processing purposes.
复合材料与铝和合金相比具有更好的特性,因此被用作航空工业的主要构件。这些材料的检查方法必须提供可靠的信息,以便对飞机的结构完整性进行彻底的评估。无损检测是这些技术的前沿,相关的传感器必须提供可靠的数据,基于灵活、非接触和低成本的设备。本文介绍了一种基于涡流的无损检测技术,该技术能够描述碳纤维增强聚合物CFRP中的1D和2D缺陷,其中相关的电子电路块基于惠斯通电桥,用于信号采集和处理目的。
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引用次数: 2
A survey on the challenges and opportunities of the Internet of Things (IoT) 物联网(IoT)的挑战与机遇调查
Pub Date : 2017-12-01 DOI: 10.1109/ICSENST.2017.8304465
Laith Farhan, Sinan T. Shukur, Ali Alissa, Mohmad Alrweg, Umar Raza, R. Kharel
Internet of Things (IoT) is a rapidly growing technology with a wide range of applications in various fields. It has unified a plethora of devices and infrastructure under the same umbrella and is considered by many technologies leaders as the network of the future (NoF). IoT connects heterogeneous devices that provide sensing, control, actuation, and monitoring activities for smarter environments. Smart IoT devices or objects are characterized with a unique identifier to transfer data over the network without human intervention. IoT is expected to further extend the boundaries of the autonomous world with advanced connectivity of physical entities, systems, services. However, there are some serious obstacles and challenges, which must be resolved before the full potential of IoT is realized. The focus of this study is to discuss the key drivers of change, challenges that may slow the adoption of IoT and the potential of the internet of things technology.
物联网(IoT)是一项快速发展的技术,在各个领域都有广泛的应用。它将大量的设备和基础设施统一在同一个保护伞下,被许多技术领导者视为未来的网络(NoF)。物联网连接异构设备,为智能环境提供传感、控制、驱动和监控活动。智能物联网设备或对象具有唯一标识符,可以在没有人为干预的情况下通过网络传输数据。物联网有望通过物理实体、系统、服务的先进连接进一步扩展自治世界的边界。然而,在实现物联网的全部潜力之前,必须解决一些严重的障碍和挑战。本研究的重点是讨论变化的关键驱动因素、可能减缓物联网采用的挑战以及物联网技术的潜力。
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引用次数: 59
Wireless sensor networks and cloud computing integrated architecture for agricultural environment applications 面向农业环境应用的无线传感器网络和云计算集成架构
Pub Date : 2017-12-01 DOI: 10.1109/ICSENST.2017.8304445
Mohamed Rawidean Mohd Kassim, A. N. Harun
The integration of Wireless Sensor Networks (WSN), Cloud computing and Big Data technologies offer vast opportunities to solve many real-world problems. Nowadays, the need for agricultural environment applications are increasing simply because there is a high demand for precision agriculture and automation. Agricultural environment applications have become an important field of control, providing real-time system and communication with the physical world. The combination of WSN and Cloud computing agricultural environment application can collect and process large amount of data from the beginning until end of the process loop. This paper discusses the proposed WSN and Cloud computing integrated architecture, benefits and applications.
无线传感器网络(WSN)、云计算和大数据技术的集成为解决许多现实问题提供了巨大的机会。如今,对农业环境应用的需求正在增加,仅仅是因为对精准农业和自动化的需求很高。农业环境应用已成为控制的重要领域,提供实时系统和与物理世界的通信。无线传感器网络与云计算农业环境应用相结合,可以从过程循环的开始到结束收集和处理大量数据。本文讨论了提出的无线传感器网络与云计算集成的体系结构、优势和应用。
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引用次数: 14
Evaluation of RIP sensor calibration stability for daily estimation of lung volume 日常肺容量估计的RIP传感器校准稳定性评价
Pub Date : 2017-12-01 DOI: 10.1109/ICSENST.2017.8304419
Raul I. Ramos-Garcia, M. Imtiaz, E. Sazonov, Stephen T. Tiffany
This work supports the development of a non-invasive wearable system for the tracking of cigarette smoking in the natural environment. Accurate estimation of lung volume, as well as preservation of calibration over the period of wear, are required for such a system. In this paper, the preservation of calibration of a Respiratory Inductive Plethysmograph (RIP) in a 24-hour period was evaluated. Attachment options, such as an RIP belt held in place by tension (belt), RIP belt held in place by adhesive (belt+adhesive), and RIP belt sewn into a T-shirt (belt+shirt) were studied and compared using data collected from three subjects performing usual daily activities. An 800 ml bag was used as the gold standard for evaluation. The average volume obtained for the belt, belt+adhesive, and belt+shirt options were 0.89+0.28 L, 1.02+0.27 L, and 0.79+0.05 L, respectively. Additionally, comparing these against a reference volume of 800 ml, the average RMSE was 0.24+0.05 L, 0.24+0.23 L, and 0.03+0.03 L, respectively. Results show that the RIP belt sewn into a T-shirt provides a better preservation of the calibration throughout the 24-hour period.
这项工作支持了一种非侵入式可穿戴系统的开发,用于跟踪自然环境中的吸烟情况。这种系统需要准确估计肺容量,以及在磨损期间保存校准。在本文中,评估了在24小时内保存呼吸感应容积描记仪(RIP)的校准。研究和比较了三个日常活动的受试者的数据,包括通过张力固定的RIP皮带(皮带)、通过粘合剂固定的RIP皮带(皮带+粘合剂)和缝在t恤上的RIP皮带(皮带+衬衫)。以800 ml袋作为金标准进行评价。皮带、皮带+胶粘剂和皮带+衬衫的平均体积分别为0.89+0.28 L、1.02+0.27 L和0.79+0.05 L。此外,将这些与800 ml的参考体积进行比较,平均RMSE分别为0.24+0.05 L, 0.24+0.23 L和0.03+0.03 L。结果表明,缝制在t恤上的RIP带在整个24小时内提供了更好的校准保存。
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引用次数: 10
An interference-insensitive switched-capacitor CDC 干扰不敏感开关电容CDC
Pub Date : 2017-12-01 DOI: 10.1109/ICSENST.2017.8304506
L. Areekath, B. George
A new interference-insensitive Switched Capacitor (SC) Capacitance-to-Digital Converter (CDC) is presented in this paper. The insensitivity is achieved by the conversion mechanism itself. It is a combination of a SC relaxation oscillator and an integrating type analog-to-digital converter whose integration time is made an integer multiple of the time period, Tintr, of the interfering signal. Although in a typical dual-slope converter, the integration time can be set as a suitable multiple of Tintr, the deintegration time is a function of the measurand. Thus, the extent of interference rejection that can be achieved, using such converters, is limited. The SC relaxation oscillator in the proposed CDC is operated for a fixed duration to make a measurement. This duration is set as a multiple of the Tintr. In this scheme, the final output is proportional to the number of transitions in the output of the SC relaxation oscillator which is directly proportional to the value of the sensor capacitance and has negligible sensitivity to the presence of the interference signal. The proposed scheme has been realized and tested using a SPICE tool. The non-linearity of the scheme is found to be less than 0.1% for a sensor capacitance, varied from 15 pF to 25 pF. The study conducted, to evaluate the effect of coupled interference from a distribution power line, showed that the sensitivity of the output to the interference is negligible for a large range. This paper also proposes a method to further increase this range and to improve the resolution of the proposed conversion method. The proposed converter is suitable for capacitive sensors that are used in the consumer applications.
提出了一种新的干扰不敏感开关电容(SC)电容-数字转换器(CDC)。这种不敏感是由转换机制本身实现的。它是SC弛豫振荡器和积分型模数转换器的组合,其积分时间是干扰信号周期Tintr的整数倍。虽然在典型的双斜率变换器中,积分时间可以设置为Tintr的适当倍数,但解积分时间是测量值的函数。因此,使用这种转换器可以达到的抑制干扰的程度是有限的。所提出的CDC中的SC弛豫振荡器在固定的持续时间内运行以进行测量。此持续时间设置为Tintr的倍数。在该方案中,最终输出与SC弛豫振荡器输出中的跃迁次数成正比,而SC弛豫振荡器输出中的跃迁次数与传感器电容的值成正比,并且对干扰信号的存在具有可忽略不计的灵敏度。该方案已通过SPICE工具实现并进行了测试。在15 pF到25 pF的传感器电容范围内,该方案的非线性小于0.1%。为了评估来自配电线路的耦合干扰的影响,研究表明,在大范围内,输出对干扰的灵敏度可以忽略不计。本文还提出了一种方法来进一步增加这一范围,并提高所提出的转换方法的分辨率。所提出的转换器适用于消费类应用中的电容式传感器。
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引用次数: 0
A novel electrochemical biosensor for bone turnover detection based on molecular imprinting technology 一种基于分子印迹技术的骨转换检测电化学传感器
Pub Date : 2017-12-01 DOI: 10.1109/ICSENST.2017.8304442
Nasrin Afsarimanesh, M. Alahi, S. Mukhopadhyay, M. Kruger
This research reports a novel label-free sensing method for the measurement of C-telopeptide of Type-I collagen (CTX-1) in order to monitor bone turnover at an early stage. An interdigital sensor jointly with Electrochemical Impedance Spectroscopy (EIS) was used to study the resistive and capacitive properties of samples. Molecular Imprinted Polymers (MIPs) containing recognition sites for CTX-1 molecules were synthesized. The sensor was coated with the prepared MIPs to increase the sensitivity of the sensor to CTX-1. Different known concentration samples were tested and the sensitivity curve was plotted. The Nyquist fitted Curve and its equivalent Randle's circuit was estimated using a complex non-linear least square method (CNLS). The initial results are promising for further development of an inexpensive and portable device for early detection of bone turnover, so therapy can be started earlier.
本研究报道了一种新的无标记传感方法,用于测量i型胶原c -末端肽(CTX-1),以监测早期骨转换。采用数字间传感器与电化学阻抗谱(EIS)相结合的方法研究了样品的电阻和电容特性。合成了含有CTX-1分子识别位点的分子印迹聚合物(Molecular imprinting Polymers, MIPs)。在传感器表面涂覆制备的MIPs以提高传感器对CTX-1的灵敏度。测定了不同已知浓度的样品,绘制了灵敏度曲线。采用复杂非线性最小二乘法(CNLS)对Nyquist拟合曲线及其等效Randle电路进行估计。初步结果有望进一步开发出一种廉价且便携的设备,用于早期检测骨转换,从而可以更早地开始治疗。
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引用次数: 0
Analysis of plasmonics-based nano-structured MSM-PDs for enhanced light absorption 基于等离子体的纳米结构msm - pd增强光吸收的分析
Pub Date : 2017-12-01 DOI: 10.1109/ICSENST.2017.8304487
Nithyendra Chandan, N. Das, F. F. Masouleh
This paper mainly discusses about the maximum light absorption by nano-grating structure assisted metal-semiconductor-metal-photodetectors (MSM-PDs). The nano-grating structure assisted MSM-PDs are suitable candidate for various applications, such as faster optical fibre communications, high-speed chip-to-chip interconnects, sensor networks and high-speed sampling. For this modelling, finite difference time domain (FDTD) simulation tool is used to simulate and calculate the light absorption enhancement factor (LAEF) of nano-structured MSM-PDs. In this research, various nano-grating shapes are used, such as, hyperbolic, trapezoidal, triangular and rectangular. Based on simulation results, we have compared the LAEF of nano-grating shape dependent MSM-PDs. In a particular case of simulation, rectangular shaped nano-grating structure MSM-PDs achieved about 12-times higher LAEF than the conventional MSM-PDs.
本文主要讨论了纳米光栅结构辅助金属-半导体-金属-光电探测器(msm - pd)的最大光吸收问题。纳米光栅结构辅助的msm - pd适用于各种应用,如更快的光纤通信、高速片对片互连、传感器网络和高速采样。为此,利用时域有限差分(FDTD)仿真工具对纳米结构msm - pd的光吸收增强因子(LAEF)进行了仿真计算。在本研究中,使用了各种形状的纳米光栅,如双曲、梯形、三角形和矩形。基于仿真结果,我们比较了纳米光栅形状相关的msm - pd的LAEF。在特定的模拟情况下,矩形纳米光栅结构的msm - pd的LAEF比传统的msm - pd高约12倍。
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引用次数: 3
A modified energy efficient protocol for optimization of dead nodes and energy consumption in wireless sensor networks 一种改进的无线传感器网络死节点和能耗优化节能协议
Pub Date : 2017-12-01 DOI: 10.1109/ICSENST.2017.8304505
P. Yarde, S. Srivastava, K. Garg
The role of sensors (nodes) in Wireless Sensor Network (WSN) is to sense, collect the data and process that data, and forward the processed data to the other sensor node or base station. All these processes consumes energy. The level of energy consumption is higher in transmitting stage as compared to sensing, collecting and processing the data. The requirement of transmission power is directly depends on the distance between the sender and receiver nodes. In this paper, a comparative network life time analysis is done in between the Low Energy Adaptive Clustering Hierarchy (LEACH) and its variant protocol LEACH-Two Level Cluster Head (LEACH-TLCH) protocol on the basis of energy consumption, residual energy and dead nodes. In this paper Tertiary Head-Low Energy Adaptive Clustering Hierarchy (TH-LEACH), a new energy efficient routing protocol is also proposed. This proposed protocol improves the behavior in terms of number of dead nodes and total energy consumption in the network hence, optimizing network lifetime.
在无线传感器网络(WSN)中,传感器(节点)的作用是感知、收集数据并处理这些数据,并将处理后的数据转发给其他传感器节点或基站。所有这些过程都消耗能源。与传感、采集和处理数据相比,传输阶段的能耗水平更高。对传输功率的要求直接取决于发送节点和接收节点之间的距离。本文基于能量消耗、剩余能量和死节点,对低能量自适应聚类层次(LEACH)协议及其变体LEACH-二级簇头(LEACH- tlch)协议的网络寿命进行了比较分析。本文还提出了一种新的节能路由协议——三级头-低能量自适应聚类层次结构(TH-LEACH)。该协议从死节点数量和网络总能耗方面改善了行为,从而优化了网络生命周期。
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引用次数: 6
Calibration of multi-focal planes for zoom-lens unit 变焦透镜单元多焦平面的标定
Pub Date : 2017-12-01 DOI: 10.1109/ICSENST.2017.8304441
Jyun-Cheng Huang, Chien-Sheng Liu, Yule Huang
In this paper, the calibration method of multi-focal planes of a 3D scanning system with zoom-lens unit based on structured light has been discussed. Based on the development of calibration methods for zoom lens characteristics, we design a calibration target for zoom lens calibration. Also, we present a pragmatic calibration process that consists of five procedures.
本文讨论了基于结构光的变焦透镜单元三维扫描系统的多焦平面标定方法。根据变焦镜头特性标定方法的发展,设计了一种变焦镜头标定标定靶。此外,我们提出了一个实用的校准过程,包括五个程序。
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引用次数: 0
期刊
2017 Eleventh International Conference on Sensing Technology (ICST)
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