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2006 5th IEEE Conference on Sensors最新文献

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Novel Biomolecular Finger Printing with an Active Dual-Band Antenna Biosensor 基于有源双波段天线生物传感器的新型生物分子指纹识别技术
Pub Date : 2006-12-01 DOI: 10.1109/ICSENS.2007.355742
Nan-Fu Chiu, Yang-Hung Liang, Chii-Wann Lin
In the paper, we report a novel biomolecular finger printing method with an active dual-band micro-coplanar inverted F antenna biosensor (DMCPIFA-Bio) on printed circuit board. The purpose of this research is to use the frequency band of microwave to characterize the responses of different biomolecules and concentrations. We used a dual-band antenna of 3 and 7 GHz frequency band as the active source and the spectral responses of probed molecules can be used for finger printing purpose. The preliminary result shows the relationship between conditions of biomolecules and the parameter of impedance, dB(S(l,l)) and phase. From analysis result, we found that the change of the concentration and total impedance value have better linear relationship. In additions, there are other parameters like initial analysis dB(S(l,l)) and change of frequency which may have high correlation to biomolecular weight size.
在本文中,我们报道了一种新的生物分子指纹识别方法,即在印刷电路板上使用有源双波段微共面倒F天线生物传感器(DMCPIFA-Bio)。本研究的目的是利用微波频段来表征不同生物分子和浓度的反应。我们采用3 GHz和7 GHz频段的双频天线作为有源,探测分子的光谱响应可用于指纹识别。初步结果显示了生物分子的状态与阻抗参数dB(S(l,l))和相位之间的关系。从分析结果来看,浓度的变化与总阻抗值有较好的线性关系。此外,初始分析dB(S(l,l))、频率变化等参数可能与生物分子量大小有较高的相关性。
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引用次数: 1
Flexible Multimodal Tactile Sensing System for Object Identification 用于物体识别的柔性多模态触觉传感系统
Pub Date : 2006-12-01 DOI: 10.1109/ICSENS.2007.355530
J. Engel, N. Chen, C. Tucker, Chang Liu, Sung-Hoon Kim, D. Jones
This work presents results towards realizing a flexible multimodal tactile sensing system for object identification. Using polymer substrates and simple fabrication, robust devices are made that can identify objects based on texture, temperature, as well as material properties such as hardness and thermal conductivity. These capabilities are possible using signal processing techniques and physical models along with individual sensing structures inspired by the specialization found in biological skin. These structures are used to sense various object parameters, and array-wide processing to identify texture using a Maximum Likelihood decision rule. 80% texture classification is achieved. In blind object identification tests, over 90% correct identification was achieved by measurement of material properties.
这项工作提出了实现一个灵活的多模态触觉传感系统的目标识别的结果。使用聚合物衬底和简单的制造,制造出坚固的设备,可以根据纹理,温度以及硬度和导热性等材料特性识别物体。利用信号处理技术和物理模型以及受生物皮肤中发现的专业化启发的单个传感结构,这些功能是可能的。这些结构用于感知各种对象参数,并使用最大似然决策规则进行数组范围的处理以识别纹理。纹理分类达到80%。在盲物识别试验中,通过测量材料性能,正确率达到90%以上。
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引用次数: 35
Smart microplates: integrated photodiodes for detecting bead-based chemiluminescent reactions 智能微孔板:集成光电二极管,用于检测基于珠的化学发光反应
Pub Date : 2006-12-01 DOI: 10.1109/ICSENS.2007.355534
Y. Park, M. Andringa, D. Neikirk, H. S. Hewage, E. Anslyn
A photodiode, integrated into a micromachined silicon pyramidal cavity for the purpose of detecting bead-based chemiluminescent reactions has been devised and fabricated. A large amount of previous work on the optical detection of chemical/biological reactions has concentrated on either improving the signal processing capabilities of planar, imager-like, detectors or developing a dedicated detector for sensing one specific phenomenon at a time. In our platform photodiodes are designed to be directly integrated into micromachined cavities in an array, reminiscent of a microplate, which potentially enables multi-analyte capabilities. Additionally, a concept of accessing a photodiode using inductive coupling, i.e. using a non-contact wireless reading, is introduced and demonstrated.
设计并制造了一种集成在微机械硅锥体腔中的光电二极管,用于检测基于晶珠的化学发光反应。以前在化学/生物反应的光学检测方面的大量工作集中在提高平面的、类似成像仪的探测器的信号处理能力,或者开发一种专门的探测器来一次传感一种特定的现象。在我们的平台中,光电二极管被设计成直接集成到阵列中的微机械腔中,让人想起微孔板,这可能使多种分析能力成为可能。此外,介绍并演示了使用电感耦合访问光电二极管的概念,即使用非接触式无线读取。
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引用次数: 3
Interacting Particle-Based Model for Missing Data in Sensor Networks: Foundations and Applications 基于交互粒子的传感器网络缺失数据模型:基础与应用
Pub Date : 2006-10-22 DOI: 10.1109/ICSENS.2007.355610
F. Koushanfar, N. Kiyavash, M. Potkonjak
Missing data is unavoidable in sensor networks due to sensor faults, communication malfunctioning and malicious attacks. There is a very little insight in missing data causes and statistical and pattern properties of missing data in collected data streams. To address this problem, we utilize interacting-particle model that takes into account both patterns of missing data at individual sensor data streams as well as the correlation between occurrence of missing data at other sensor data streams. The model can be used in algorithms and protocols for energy efficient data collection and other tasks in presence of missing data. We use statistical intersensor models for predicting the readings of different sensors. As a driver application, we address the problem of energy efficient sensing by adaptively coordinating the sleep schedules of sensor nodes while we guarantee that values of nodes in the sleep mode can be recovered from the awake nodes within a user's specified error bound and probability of missing data at awake nodes is less than a given threshold. The sleeping coordination is addressed by creating the maximal number of subgroups of disjoint nodes, each of whose data is sufficient to recover the data of the entire network in presence of missing data. On simulated and actually collected data for temperature and humidity sensors in Intel Berkeley Lab, we show that by using sleeping coordination that considers missing data, we reduce the typical 40% missing data rate of traditional sleeping techniques to less than 7%.
在传感器网络中,由于传感器故障、通信故障和恶意攻击,数据丢失是不可避免的。在收集到的数据流中,对于丢失数据的原因以及丢失数据的统计和模式属性的了解很少。为了解决这个问题,我们利用了相互作用粒子模型,该模型考虑了单个传感器数据流中缺失数据的模式以及其他传感器数据流中缺失数据发生之间的相关性。该模型可用于节能数据收集的算法和协议以及存在缺失数据的其他任务。我们使用统计传感器间模型来预测不同传感器的读数。作为驱动应用,我们通过自适应协调传感器节点的睡眠调度来解决节能传感问题,同时我们保证在用户指定的错误范围内,睡眠模式下的节点值可以从唤醒节点恢复,并且在唤醒节点上丢失数据的概率小于给定的阈值。休眠协调是通过创建最大数量的不相交节点子组来解决的,每个子组的数据都足以在存在丢失数据的情况下恢复整个网络的数据。根据英特尔伯克利实验室温度和湿度传感器的模拟和实际收集的数据,我们表明,通过使用考虑丢失数据的睡眠协调,我们将传统睡眠技术中典型的40%丢失数据率降低到7%以下。
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引用次数: 3
Thin SQI NEMS accelerometers compatible with In-IC integration 薄SQI NEMS加速度计兼容In-IC集成
Pub Date : 2006-10-22 DOI: 10.1109/ICSENS.2007.355716
E. Oilier, L. Duraffourg, M. Delaye, S. Deneuville, V. Nguyen, P. Andreucci, H. Grange, P. Robert, F. Marchi, R. Dianoux, T. Baron
The paper presents thin SOI NEMS structures for accelerometers based on thin SOI technology and compatible with "In-IC" integration. The goal of this work is to demonstrate the feasibility in terms of concept and technological manufacturing. Modeling of Casimir force, development of hybrid e-beam/DUV lithography and FH-vapor release, specific AFM characterizations have allowed to design, fabricate and characterize first devices.
本文提出了一种基于薄SOI技术并兼容In-IC集成的加速度计用薄SOI NEMS结构。这项工作的目的是证明在概念和技术制造方面的可行性。卡西米尔力的建模,电子束/DUV混合光刻和fh蒸气释放的开发,特定的AFM表征使得设计,制造和表征第一个设备成为可能。
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引用次数: 3
Transferrin Electronic Detector for Iron Disease Diagnostics 铁疾病诊断用转铁蛋白电子检测仪
Pub Date : 2006-10-22 DOI: 10.1109/ICSENS.2007.355509
A. Girard, F. Bendriaa, O. de Sagazan, M. Harnois, F. le Bihan, A. Salaun, T. Mohammed‐Brahim, P. Brissot, O. Loréal
Field effect transistor (FET) structure with suspended bridge shows the ability to detect proteins with very high sensitivity. This sensor is tested for the transferrin, a specific blood plasma protein, relevant in iron disease diagnostic. This system is based on field effect transistor with a suspended bridge used as a gate electrode. The sensitive layer is made of silicon nitride as in the ISFET (ion sensitive field effect transistor) technology. The surface micro-technology ensures a small height suspended-bridge (0.5 mum) composed of poly-silicon insulated with silicon nitride. To improve sensitivity and to limit biofouling, proteins are selected by antibodies covalently bound to organic layers. The specific charge of the fixed transferrins translates the transistor transfer characteristics. For low concentration, resulting shift is important and confers a good sensitivity to our electronic transducer.
具有悬索桥结构的场效应晶体管(FET)显示出对蛋白质具有很高灵敏度的检测能力。该传感器用于检测转铁蛋白,一种与铁疾病诊断相关的特异性血浆蛋白。该系统以场效应晶体管为基础,以悬索桥作为栅极。敏感层由氮化硅制成,采用离子敏感场效应晶体管(ISFET)技术。表面微技术保证了由多晶硅与氮化硅绝缘组成的小高度悬索桥(0.5 μ m)。为了提高灵敏度和限制生物污垢,蛋白质是通过与有机层共价结合的抗体来选择的。固定转移蛋白的特定电荷转换晶体管转移特性。对于低浓度,由此产生的位移是重要的,并赋予我们的电子换能器良好的灵敏度。
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引用次数: 6
Staggered Sampling for Energy Efficient Data Collection 能源效率数据收集的交错采样
Pub Date : 2006-10-22 DOI: 10.1109/ICSENS.2007.355584
J. Wong, S. Megerian, M. Potkonjak
Efficient and complete data collection is one of the most important tasks in wireless ad-hoc sensor networks. Additionally, the collection of the full data set should be performed in the most resource efficient way, thus prolonging the battery lifetime of the network. We introduce a new approach for energy efficient data collection through the use of staggered sampling. Staggered sampling means that at each sampling moment (epoch) only a small percentage of sensors collect (sample) data. The proposed approach leverages on statistical relationships between samples taken from different sensors and/or at different epochs for the prediction of the non-sampled sensor data. The main goal of the approach is to ensure complete collection of data during a periodic cycle while minimizing the number of sensor readings collected at any point in time. Complete data collection is confirmed by ensuring that each sensor is either sampled at each epoch or the data sample can be accurately recovered though model prediction of the sampled sensors. The proposed approach consists of two main phases. First, efficient modeling of the prediction relationship between two sensors using kernel smoothing over different time lags is performed. Second, the selection of epochs at which each sensor is to sample the data is determined. A 0-1 integer linear programming formulation is used to address this NP-complete assignment problem optimally on relatively large instances. We demonstrate the effectiveness of the approach on traces from actually deployed networks for sensor of two modalities: temperature and humidity.
高效、完整的数据采集是无线自组织传感器网络的重要任务之一。此外,应该以最有效的资源方式收集完整的数据集,从而延长网络的电池寿命。我们介绍了一种通过使用交错采样的节能数据收集的新方法。交错采样意味着在每个采样时刻(epoch),只有一小部分传感器收集(样本)数据。所提出的方法利用从不同传感器和/或在不同时期采集的样本之间的统计关系来预测非采样传感器数据。该方法的主要目标是确保在周期性周期内完整收集数据,同时尽量减少在任何时间点收集的传感器读数数量。通过确保在每个历元对每个传感器进行采样,或者通过对被采样传感器的模型预测可以准确地恢复数据样本,从而确保数据采集的完整。建议的方法包括两个主要阶段。首先,利用核平滑对两个传感器在不同时间滞后上的预测关系进行有效建模。其次,确定每个传感器采样数据的时间选择。在相对较大的实例上,使用0-1整数线性规划公式来最优地解决这个np完全分配问题。我们证明了该方法在实际部署的两种模式传感器网络的轨迹上的有效性:温度和湿度。
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引用次数: 1
Multifunctional CMC/silicone composite sensor elements as the tactile and proximity sensors 多功能CMC/硅酮复合传感器元件作为触觉和接近传感器
Pub Date : 2006-10-01 DOI: 10.1109/ICSENS.2007.355875
H. Natsuhara, T. Katsuno, X. Chen, S. Yang, S. Motojima, M. Takaki, T. Kuzuya, K. Kawabe
The tactile and proximity sensing properties of CMC/silicone composites were studied by evaluating with the impedance Z as a function of CMC content in matrix. The optimum CMC content as proximity sensor element was 3 wt%, while the tactile sensor properties were increased in intensity with CMC content (over 7 wt%). The CMC sensor element with surface size of 300 times 300 mm and with a CMC content of 3 wt% is able to detect the existence of a human palm that is about 30 cm away from CMC sensor element. Furthermore, the dramatic change of impedance Z was observed at just contact. We succeeded in the preparation of CMC sensor element with tactile and proximity sensing property.
通过阻抗Z与基体中CMC含量的关系,研究了CMC/硅酮复合材料的触觉和接近传感性能。CMC作为接近传感器元件的最佳含量为3 wt%,而触觉传感器的性能随CMC含量的增加而增强(超过7 wt%)。CMC传感器元件的表面尺寸为300 × 300 mm, CMC含量为3wt %,能够检测到距离CMC传感器元件约30 cm的人手掌的存在。此外,在刚接触时观察到阻抗Z的剧烈变化。我们成功地制备了具有触觉和接近传感特性的CMC传感器元件。
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引用次数: 6
A CMOS Micromachined Gripper Array with On-Chip Optical Detection 带有片上光学检测的CMOS微机械夹持器阵列
Pub Date : 2006-10-01 DOI: 10.1109/ICSENS.2007.355712
M.S.-C. Lu, Chi-En Lu, Zhong-Hong Wu, Chun‐Fu Chen, Shi-Yu Huang, Y. King
This paper presents the design, fabrication, and characterization of CMOS micromachined grippers with on-chip optical detection. The CMOS MEMS fabrication features a combination of metal wet etch and sacrificial polysilicon etch for structural release. The fabricated microstructure contains metal and dielectric layers, plus a polysilicon heater for electrothermal actuation. Optical detection is provided by the photo detectors placed beneath the gripping sites. Dynamic characterization of a 200 mum-long microgripper shows a measured thermal time constant of 53 mus. For an applied power of 6 mW, one arm of the gripper produces a 3.6-mum in-plane displacement and a 1.6-mum out-of-plane displacement. The corresponding maximum heater temperature is 220degC, while the temperature elevation at the tip is only 28degC. The measured sensitivity and dynamic range of the photo detector are 1.42 V/lux-sec and 48.5 dB, respectively.
本文介绍了带有片上光学检测的CMOS微机械夹持器的设计、制造和特性。CMOS MEMS制造的特点是金属湿式蚀刻和牺牲多晶硅蚀刻相结合,以实现结构释放。所制造的微结构包含金属和介电层,以及用于电热驱动的多晶硅加热器。光学检测由放置在夹持部位下方的光电探测器提供。200 μ m长的微夹持器的动态特性显示测量的热时间常数为53 μ m。当应用功率为6 mW时,夹持器的一只手臂产生3.6 μ m的面内位移和1.6 μ m的面外位移。相应的加热器最高温度为220℃,而尖端的温度标高仅为28℃。光电探测器的灵敏度和动态范围分别为1.42 V/lux-sec和48.5 dB。
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引用次数: 3
Sensitive and Selective Photo Acoustic Gas Sensor Suitable for High Volume Manufacturing 适用于大批量生产的灵敏、选择性光声气体传感器
Pub Date : 2006-10-01 DOI: 10.1109/ICSENS.2007.355563
K. Schjølberg-Henriksen, A. Ferber, S. Moe, D.T. Wang, R. W. Bernstein, H. Rogne, O. Schulz, G. Muller, M. Lloyd, Karl-Heinz Suphan
Sensitive and selective gas measurements are crucial for a large variety of applications. This paper describes the manufacturing and characterisation of a photo acoustic gas sensor system. The system is based on a pressure sensor element with a sensitivity of 10 muV/V/Pa. 12 prototypes for measuring CO2 have been characterised. Detection limits ranging from 92 ppm to below 6 ppm CO2 were obtained, depending on the measurement time and photo acoustic cell design. No cross-sensitivity towards CO, CH4, or humidity could be observed in any of the sensors. The temperature drift of the uncompensated raw signal of two sensor designs was below 117 ppm CO2 in the range from 25degC to 50degC.
敏感和选择性气体测量对于各种各样的应用至关重要。本文介绍了一种光声气体传感器系统的制造和特性。该系统基于一个灵敏度为10 μ V/V/Pa的压力传感器元件。测量二氧化碳的12个原型已经被描述。根据测量时间和光声电池设计,获得了92 ppm至6 ppm以下的CO2检测限。在任何传感器中都没有观察到对CO, CH4或湿度的交叉灵敏度。在25℃~ 50℃范围内,两种传感器未补偿原始信号的温度漂移均低于117 ppm CO2。
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引用次数: 5
期刊
2006 5th IEEE Conference on Sensors
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