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24-27 Oct. 2004

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Displaying Results 1 - 25 of 423
  • Proceedings of IEEE Sensors 2004

    Publication Year: 2004, Page(s): 0_1
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  • Proceedings of the IEEE Sensors 2004 (IEEE Cat. No.04CH37603)

    Publication Year: 2004
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  • Copyright page

    Publication Year: 2004, Page(s): ii
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  • Foreward

    Publication Year: 2004, Page(s): iii
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  • Conference organizing committee

    Publication Year: 2004, Page(s):iv - xi
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  • [Breaker page]

    Publication Year: 2004, Page(s): xii
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  • Table of contents

    Publication Year: 2004, Page(s):xiii - XIV
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  • [Breaker page]

    Publication Year: 2004, Page(s): XV
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  • Author index

    Publication Year: 2004, Page(s):XVI - iv
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  • Nature as model for technical sensors

    Publication Year: 2004
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (271 KB)

    Summary form only given. Sensors and sensing are essential for all forms of life. Correspondingly there is a fascinating richness and diversity of sensory systems throughout the animal kingdom. Animals use sensory input not only for communication, but also for the detection, discrimination and localization of animate and inanimate objects. In addition sensory systems provide basic cues for spatial... View full abstract»

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  • Sensorsystems for industrial and automotive applications [review]

    Publication Year: 2004, Page(s):2 - 4 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (342 KB) | HTML iconHTML

    Whereas in the 1970s microelectronics was one of the dominant strategic research and development goals, in the 1980s materials research and information engineering had priority. Then in the early 1990s, development work was started mainly in the field of miniaturization and integration of extremely small functional units within a system, in order to open up new technologies of the future, ranging ... View full abstract»

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  • Temperature radiation sensors for automotive climate control

    Publication Year: 2004, Page(s):5 - 7 vol.1
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (516 KB) | HTML iconHTML

    We present the different applications with their critical to success parameters and show how the demands can be met using innovative techniques, such as miniaturized sensor assemblies with integrated pre-amplification, ambient temperature compensation and housing with high thermal mass. View full abstract»

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  • Portable fluorescence sensor for on-line monitoring of lubricant oils

    Publication Year: 2004, Page(s):8 - 11 vol.1
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (466 KB) | HTML iconHTML

    In this paper, we report on a portable, compact and inexpensive fluorescence sensor for monitoring the ageing of retail lubricant oils as a result of the operation in an internal combustion engine. The proposed sensor consists of a UV laser diode, an optical fibre probe for simultaneous excitation and collection of the fluorescence and a USB powered palm-size spectrometer connected to a laptop. Th... View full abstract»

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  • Joining sensor systems for railway vehicle inspection

    Publication Year: 2004, Page(s):12 - 15 vol.1
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (548 KB) | HTML iconHTML

    In today's railway field, a number of stand-alone inspection systems are available and each of them addresses only one particular train fault-state. Our work describes a concept for integration of these systems into a complete "checkpoint" system with regard to the specific application range of railway vehicle inspection. In contrast to single fault-state detection systems, our concept of an overa... View full abstract»

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  • A new differential magnetoresistive gear wheel sensor with high suppression of external magnetic fields [automotive applications]

    Publication Year: 2004, Page(s):16 - 19 vol.1
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (466 KB) | HTML iconHTML

    Rotational speed detection is one of the most essential sensor tasks in today's cars. It is used to determine the position of the crank- and camshaft as well as for the control of the wheel speed in ABS applications. One of the most promising approaches for rotational speed detection is the use of magnetoresistive sensors in front of a turning gear wheel. These sensors offer a high sensitivity to ... View full abstract»

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  • New approaches for the monitoring of gas turbine blades and vanes

    Publication Year: 2004, Page(s):20 - 23 vol.1
    Cited by:  Papers (2)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (823 KB) | HTML iconHTML

    Gas turbines for power generation are being operated on the physical limits of materials and structures. A safe operation requires more monitoring of critical components. Optical, acoustic and RF waveguides could be used to access the harsh environment inside of gas turbines for monitoring purposes. View full abstract»

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  • Advanced chemical microsensor systems in CMOS technology [gas sensors]

    Publication Year: 2004, Page(s):24 - 27 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (639 KB) | HTML iconHTML

    We report on results achieved with three different chemical microsensor systems featuring three different types of transducers, all of which are monolithically integrated with associated driving and readout circuitry. The capacitive sensor which is sensitive to changes in dielectric properties of the polymer layer upon analyte absorption, and the cantilever which is sensitive to predominantly mass... View full abstract»

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  • Precision readout circuits for capacitive microaccelerometers

    Publication Year: 2004, Page(s):28 - 31 vol.1
    Cited by:  Papers (46)  |  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (537 KB) | HTML iconHTML

    This paper presents a review of capacitive readout front-end circuits for high-precision accelerometers. The primary design parameters and the trade-offs affecting the resolution are presented. The discussions apply to all capacitive microsensor interfaces. Also, a high-sensitivity capacitive accelerometer interface circuit for hybrid-integration with a surface/bulk micromachined micro-g accelerom... View full abstract»

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  • Improved electronic readout circuit for resonant acoustic sensors

    Publication Year: 2004, Page(s):32 - 35 vol.1
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (385 KB) | HTML iconHTML

    A novel circuit for the compensation of the spurious admittance of TSM (thickness shear mode) resonator sensors is proposed. It compensates both the spurious capacitance and conductance, and as such is well suited for measurement in conductive liquids. Design equations, simulations and measurement results of a bread-boarded prototype are presented. View full abstract»

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  • A low noise readout circuit for integrated electrochemical biosensor arrays

    Publication Year: 2004, Page(s):36 - 39 vol.1
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (422 KB) | HTML iconHTML

    This paper presents a low noise electrochemical interface circuit that is tuned to the needs of protein-based biosensor arrays and compatible with the formation of fully integrated biochemical microsystems. The circuit includes an integrated potentiostat and highly sensitive amperometric readout amplifier. It achieves good noise performance while supporting biosensor output currents from 10 pA to ... View full abstract»

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  • Internet-based sensor system for environmental monitoring

    Publication Year: 2004, Page(s):40 - 43 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (687 KB) | HTML iconHTML

    Wireless access networks based on millimetre wavelength technologies are mainly impaired by rain. To evaluate the rain effects over a communication system, it is essential to know the temporal and spatial evolution of rainfall rate. For this reason, it is necessary to develop an experimental network which provides the adequate data to study, prevent and compensate the rain fade. In this paper an e... View full abstract»

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  • A Bayesian network approach to energy-aware distributed sensing

    Publication Year: 2004, Page(s):44 - 47 vol.1
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (470 KB) | HTML iconHTML

    This paper presents a strategy for the design and implementation of an energy-efficient multi-sensor network, based on the structure of sectioned Bayesian networks. A key issue in the design of Bayesian networks for monitoring engineering systems is to ensure that a reliable inference scheme about the health of the system can be made by combining information acquired from each sensor in the system... View full abstract»

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  • Design of a real-time adaptive power optimal system

    Publication Year: 2004, Page(s):48 - 51 vol.1
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (386 KB) | HTML iconHTML

    Wireless sensor systems are currently being deployed in a wide variety of lightweight mobile applications such as distributed object tracking and wearable medical data collection. For such applications to enter the consumer mainstream, it is necessary for them to operate far more power efficiently than they do currently. Using a simple illustrative example, this paper explores some general design ... View full abstract»

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  • Extensible embedded Web server for Internet-based data acquisition and control

    Publication Year: 2004, Page(s):52 - 55 vol.1
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (416 KB) | HTML iconHTML

    The server enables Web access to distributed measurement/control systems and provides a scalable networking solution that is optimized for educational laboratories, instrumentation, industrial and home automation. Users can monitor and control transducers on active Web pages enhanced with JavaScript and Java. The server makes integration of a new system as easy as connecting I2C devices and creati... View full abstract»

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  • Dynamic gas sensor network for air pollution monitoring and its auto-calibration

    Publication Year: 2004, Page(s):56 - 59 vol.1
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (409 KB) | HTML iconHTML

    The use of a dynamic gas sensor network is proposed for air pollution monitoring, and its auto-calibration is discussed to achieve the maintenance-free operation. Although the gas sensor outputs generally show drift over time, frequent recalibration of a number of sensors in the network is a laborious task. To solve this problem, instead of the static network proposed in the related works, we prop... View full abstract»

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