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First IEEE International Conference on Sensors - Sensors 2002 [front matter]
Publication Year: 2002, Page(s):i - xiii|
PDF (1112 KB)
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Author index
Publication Year: 2002, Page(s):xiv - xxiv|
PDF (686 KB)
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Use of fiber Bragg grating sensor for position monitoring in high energy physics experiment BTeV
Publication Year: 2002, Page(s):874 - 879 vol.2
Cited by: Papers (1)In this paper, we discuss alignment of tracking detectors in High Energy Physics experiment BTeV and we propose a position monitoring system based on use of Fiber Bragg Grating sensors. The system is intended for monitoring the displacements of high spatial resolution detectors used in High Energy Physics, such as silicon vertex detectors, and it was tested on a scaled down mock-up of a detector c... View full abstract»
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Array of PZT pyroelectric thick-film sensors for contactless measurement of XY position
Publication Year: 2002, Page(s):889 - 894 vol.2
Cited by: Papers (2)The paper presents the design, fabrication and experimental characterization of a pyroelectric sensor array made by 8/spl times/8 pixels of PZT screen printed on an alumina substrate. When an amplitude-modulated light emitting diode (LED) is placed in front of the array and moved in the XY plane parallel to the array surface, the array and the LED respectively work as the reference element and the... View full abstract»
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Development of six-degree of freedom micro force sensor for application in geophysics
Publication Year: 2002, Page(s):973 - 978 vol.2
Cited by: Papers (2)This paper presents the design concept, fabrication and calibration of a six-degree of freedom (6-DOF) turbulent flow micro sensor utilizing the piezoresistive effects in silicon. The proposed sensor can independently detect six components of force and moment on a test particle in a turbulent flow. By combining p-type conventional and shear piezoresistors in Si [111], and arranging them suitably o... View full abstract»
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Combined effect of the membrane flatness defect and real dimension gauges on the sensitivity of a silicon piezoresistive pressure sensor
Publication Year: 2002, Page(s):990 - 993 vol.2
Cited by: Papers (3) | Patents (3)Presents a new approach to the sensitivity loss of a silicon piezoresistive pressure sensor. The loss origin is due to the parallelism defect of the two sides of the membrane cumulated to the real dimensions of the gauges, considered usually as being as points. The work we present deals with the modelling of a structure, realised by micro-electronic techniques and chemical etching, containing four... View full abstract»
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Limitations of heat conductivity in cryogenic sensors due to surface roughness [X-ray detection]
Publication Year: 2002, Page(s):1024 - 1027 vol.2 -
Optoelectronic refractive index measurements: application for smart polymer processing
Publication Year: 2002, Page(s):1171 - 1175 vol.2
Cited by: Papers (1)In the last decade, polymeric based composites, in the light of their low weight/mechanical strength ratio, have been widely used in many industrial areas such as, automotive, aeronautic and aerospace. Because of the dependence of their properties on the manufacturing stage, real time monitoring of the processing stage has been indicated as the key point for improving the quality and reducing manu... View full abstract»
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Smart adaptable strain gage conditioner
Publication Year: 2002, Page(s):1281 - 1284 vol.2In this paper a smart adaptable strain gage conditioning system is presented. The system is based on analog and digital processing to meet particularly adaptability, flexibility and complex computations required in calibration and compensation algorithms of strain gage thermal output. Analog processing, with adequate amplification and filtering is used to adjust the strain gage and temperature sig... View full abstract»
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Assessment of the final metrological characteristics of a MOEMS based NDIR spectrometer through system modelling and data processing
Publication Year: 2002, Page(s):1323 - 1328 vol.2
Cited by: Papers (1)A model of a miniaturised NDIR (Non Dispersive Infrared) gas analysis system, aiming to predict the final system specifications, is presented. It comprises the different elements of the NDIR detector, including a surface micromachined Fabry-Perot tuneable filter. These models have been used to estimate the response of the NDIR system to different gas mixtures. Multivariate regression methods like ... View full abstract»
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Preprocessing of electronic nose data by independent component analysis
Publication Year: 2002, Page(s):1339 - 1342 vol.2
Cited by: Papers (1)Arrays of chemical sensors are affected by different disturbances. They are due, in part to the environment and in part to the non-ideality of the system. Since sensors cannot be completely insulated from the surrounding environment the fluctuation of ambient parameters (e.g. temperature and relative humidity) may be so large to strongly limit the resolution of the sensor array. In this work, Inde... View full abstract»
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Miniaturized linear magnetic position sensors for automotive applications
Publication Year: 2002, Page(s):1565 - 1570 vol.2
Cited by: Papers (3)In this work, a linear position sensor with a Hall effect element for automotive applications is presented The work involves the design of device structure, finite element analysis (FEA) computer modeling of sensor performance, fabrication of sensor prototype, and prototype characterization. The significance of the work is that a low cost linear position sensor has been developed with high lineari... View full abstract»
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Micromachined sensors for automotive applications
Publication Year: 2002, Page(s):1561 - 1564 vol.2The paper gives an overview of recent advances in sensor technology, primarily in silicon micromachining. The importance and use of these sensor technologies in automotive applications is shown. Finally an outlook on important current developments and new functions in the car will be given. View full abstract»
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Enhanced multiplexing capacity of low-coherence reflectometric sensors based on a loop topology
Publication Year: 2002, Page(s):1555 - 1560 vol.2A novel scheme for enhancing the multiplexing capacity of low-coherence reflectometric sensors is demonstrated. The scheme is based on connecting the sensing elements in serial in a loop configuration, allowing each of the sensors within the array to be interrogated twice from opposite directions. The bi-directional interrogation doubles the multiplexing capacity while maintaining the signal to no... View full abstract»
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A low-cost Internet-enabled smart sensor
Publication Year: 2002, Page(s):1549 - 1554 vol.2
Cited by: Papers (18)This paper deals with Web sensors with particular attention to data structures and interfacing features described by IEEE1451 standard. A network architecture is proposed to reduce Web-sensor structural complexity. Transducer and electronic datasheets (TEDS) are directly interfaced to Internet through an HTTP-based protocol, that has been inspired by IEEE1451.2 Transducer Independent Interface (TI... View full abstract»
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Fully CMOS compatible capacitive differential pressure sensors with on-chip programmabilities and temperature compensation
Publication Year: 2002, Page(s):1451 - 1455 vol.2
Cited by: Papers (7)Describes the development and characterization of CMOS compatible surface micromachined capacitive differential pressure sensors with monolithic integrated electronics. Results from on-chip linearization, temperature compensation and investigation of humidity influence are presented. View full abstract»
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An integrated framework for Internet-based applications of smart sensors
Publication Year: 2002, Page(s):1543 - 1548 vol.2
Cited by: Papers (1)This paper presents an application of networked sensors that offers a reusable design pattern for a class of sensor-based appliances. It deals with an integrated, sensor networking framework stemming from the IEEE 1451 smart transducer interface standard, an object-based networking model, complemented by the Virtual Interface Architecture (VIA), a Compaq-Intel-Microsoft approach to Internet messag... View full abstract»
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CMOS microsystem for AC current measurement with galvanic isolation
Publication Year: 2002, Page(s):1445 - 1450 vol.2
Cited by: Papers (1) | Patents (9)In this paper, we present an integrated AC current sensor based on sensitivity-optimised horizontal Hall effect devices (HHDs) and a differential readout chain. It has been designed for 5A nominal AC current measurement with 5 kV galvanic isolation and 0.5% accuracy over 1.5 kHz bandwidth, which allows up to 30th (25 th) harmonic detection in 50 Hz (60 Hz) applications. From the sensing... View full abstract»
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Remote process monitoring using optical fibre sensors
Publication Year: 2002, Page(s):1537 - 1542 vol.2Conventional means of curing thermosetting resins used in advanced fibre reinforced composites involves heating the sample in an oven or autoclave where heat is transferred to the sample through conduction and convection. This conventional method for manufacturing composites involves long processing time. On the other hand, microwave-based processing offers the advantage of a significantly faster ... View full abstract»
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Smart silicon sensors - examples of Hall-effect sensors
Publication Year: 2002, Page(s):1440 - 1444 vol.2
Cited by: Papers (3) | Patents (9)In this paper, we discuss some of the trends in the industrial designs of smart sensor systems. High-performance sensor systems have been implemented by combining the sensing and signal processing functions on the same chip. Some applications of magnetic field measurements are discussed. View full abstract»
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A novel sensor interrogation technique using chirped fiber grating based Sagnac loop
Publication Year: 2002, Page(s):1351 - 1353 vol.2We demonstrate a novel and simple sensor interrogation scheme for fiber Bragg grating (FBG) based sensing systems. In this scheme, a chirped FBG based Sagnac loop is used as a wavelength-dependent receiver, and a stable and linear readout response is realised. It is a significant advantage of this scheme that the sensitivity and the measurement wavelength range can be easily adjusted by controllin... View full abstract»
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An Internet and microcontroller-based remote operation multi-sensor system for water quality monitoring
Publication Year: 2002, Page(s):1532 - 1536 vol.2
Cited by: Papers (4) | Patents (1)The paper presents the architecture of a microcontroller-based multi-sensor able to measure different quantities used to characterize water quality and, at the same time, to disseminate data over the Internet. The architecture of the system includes a sensitive unit (that performs pH, temperature and turbidity measurements), a data acquisition, processing and communication unit, (16F877 microcontr... View full abstract»
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SC interface for capacitive measurements with extended linear range
Publication Year: 2002, Page(s):1436 - 1439 vol.2
Cited by: Papers (3)A novel front-end circuit for capacitive sensors with switched-capacitor (SC) circuits is presented. In this circuit charge is transferred to an input integrator circuit in a controlled way to prevent overload of the input amplifier. Application of this technique extends the linear range for large input signals. View full abstract»
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Velocity measurement in a fluid using LDV: low-cost sensor and signal processing design
Publication Year: 2002, Page(s):1347 - 1350 vol.2
Cited by: Papers (2)Laser Doppler Velocimetry (LDV) has been widely used for many years in fluid mechanics to measure particle velocity. However in most applications, in industrial processes for example, such a system is often too expensive. This paper discusses a technique based on the use of an analog phased-locked loop and an analog integrator system for processing LDV data to infer particle velocity. This method ... View full abstract»
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Feasibility study on a prototype of vestibular implant using MEMS gyroscopes
Publication Year: 2002, Page(s):1526 - 1531 vol.2
Cited by: Papers (3) | Patents (2)This paper presents a feasibility study on an MEMS-based implantable vestibular prosthesis. Our end-goal is to design a prosthesis that will replace the function of the damaged vestibular end-organ by providing an MEMS chip that will accurately sense, extract, and transmit 3-dimensional motion information for people who have permanently lost peripheral vestibular function. The prosthesis prototype... View full abstract»