Pub Date : 2009-06-25DOI: 10.1109/IWASI.2009.5184766
A. Elia, V. Spagnolo, C. Di Franco, P. M. Lugarà, G. Scamarcio
We report on the realization of an optoacoustic sensor based on mid-infrared quantum-cascade lasers (QCLs) for the detection of nitric oxide (NO) and formaldehyde (CH2O). A resonant photoacoustic cell equipped with 4 electret microphones was excited in its first longitudinal mode by the modulated laser light. A detection limit of 150 parts in 109 (ppbv) for NO and CH2O was found, using distributed feedback QCLs operating in pulsed mode at 5.34 µm and 5.62 µm, respectively.
{"title":"Photoacoustic trace gas sensing with mid-IR quantum cascade lasers","authors":"A. Elia, V. Spagnolo, C. Di Franco, P. M. Lugarà, G. Scamarcio","doi":"10.1109/IWASI.2009.5184766","DOIUrl":"https://doi.org/10.1109/IWASI.2009.5184766","url":null,"abstract":"We report on the realization of an optoacoustic sensor based on mid-infrared quantum-cascade lasers (QCLs) for the detection of nitric oxide (NO) and formaldehyde (CH2O). A resonant photoacoustic cell equipped with 4 electret microphones was excited in its first longitudinal mode by the modulated laser light. A detection limit of 150 parts in 109 (ppbv) for NO and CH2O was found, using distributed feedback QCLs operating in pulsed mode at 5.34 µm and 5.62 µm, respectively.","PeriodicalId":246540,"journal":{"name":"2009 3rd International Workshop on Advances in sensors and Interfaces","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131767192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2009-06-25DOI: 10.1109/IWASI.2009.5184793
Giuseppe Giliberti, G. Lorusso, G. Marano, G. L. Cascella
This paper presents the PAIS system which is an innovative WSN (Wireless Sensor Network) for the environmental monitoring. The main goal of the PAIS system is to reduce the wildfire damages with early detection and suppression. Moreover, each PAIS node can integrate a number of heterogeneous sensors in order to operate a complete environmental monitoring. Usually the sensor nodes are located in wild areas and exposed to severe weather conditions, hence particular attention has been given to energy management, robustness and ruggedness to minimize maintenance costs and increase the dependability of the entire system. The fire detection is based on two infrared sensors whose accuracy is extremely affected by temperature. Hence, the sensor temperature is controlled by two Peltier coolers whose performances are automatically optimized with an innovative hybrid genetic algorithm. The proposed on-line hybrid optimization can be embedded as a fully-automated tool without any extra-hardware the system. Experimental results prove the effectiveness of the proposed approach.
{"title":"HGA-based Auto-tuning of Peltier coolers in PAIS project: New environmental monitoring and early wildfire detection system","authors":"Giuseppe Giliberti, G. Lorusso, G. Marano, G. L. Cascella","doi":"10.1109/IWASI.2009.5184793","DOIUrl":"https://doi.org/10.1109/IWASI.2009.5184793","url":null,"abstract":"This paper presents the PAIS system which is an innovative WSN (Wireless Sensor Network) for the environmental monitoring. The main goal of the PAIS system is to reduce the wildfire damages with early detection and suppression. Moreover, each PAIS node can integrate a number of heterogeneous sensors in order to operate a complete environmental monitoring. Usually the sensor nodes are located in wild areas and exposed to severe weather conditions, hence particular attention has been given to energy management, robustness and ruggedness to minimize maintenance costs and increase the dependability of the entire system. The fire detection is based on two infrared sensors whose accuracy is extremely affected by temperature. Hence, the sensor temperature is controlled by two Peltier coolers whose performances are automatically optimized with an innovative hybrid genetic algorithm. The proposed on-line hybrid optimization can be embedded as a fully-automated tool without any extra-hardware the system. Experimental results prove the effectiveness of the proposed approach.","PeriodicalId":246540,"journal":{"name":"2009 3rd International Workshop on Advances in sensors and Interfaces","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114866274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2009-06-25DOI: 10.1109/IWASI.2009.5184784
P. Siciliano, A. Leone, G. Diraco, C. Distante, M. Malfatti, L. Gonzo, M. Grassi, A. Lombardi, G. Rescio, P. Malcovati
The paper proposes new technologies to support independence and engagement in elderly people living alone at home in the framework of a new UE Integrated Project. Aim of the study is the development of a light technological infrastructure to be integrated in the homes of old people at reduced costs, allowing the detection of critical health situations. In particular a reliable fall detector is presented, with focus on the protection and assistance to the elderly in the home environment. The integrated fall detector prototype includes two different sensors: a 3D Time-of-Flight range camera and a wearable MEMS accelerometer. The devices are connected in a networked configuration with custom interface circuits to a central PC that collects and processes the information with a multi-threading approach. For each sensor, an optimized algorithm for fall-detection has been developed and benchmarked on a collected multimodal database. This work is expected to lead to a multi-sensory approach employing appropriate fusion techniques aiming to improve system efficiency and reliability.
{"title":"A networked multisensor system for ambient assisted living application","authors":"P. Siciliano, A. Leone, G. Diraco, C. Distante, M. Malfatti, L. Gonzo, M. Grassi, A. Lombardi, G. Rescio, P. Malcovati","doi":"10.1109/IWASI.2009.5184784","DOIUrl":"https://doi.org/10.1109/IWASI.2009.5184784","url":null,"abstract":"The paper proposes new technologies to support independence and engagement in elderly people living alone at home in the framework of a new UE Integrated Project. Aim of the study is the development of a light technological infrastructure to be integrated in the homes of old people at reduced costs, allowing the detection of critical health situations. In particular a reliable fall detector is presented, with focus on the protection and assistance to the elderly in the home environment. The integrated fall detector prototype includes two different sensors: a 3D Time-of-Flight range camera and a wearable MEMS accelerometer. The devices are connected in a networked configuration with custom interface circuits to a central PC that collects and processes the information with a multi-threading approach. For each sensor, an optimized algorithm for fall-detection has been developed and benchmarked on a collected multimodal database. This work is expected to lead to a multi-sensory approach employing appropriate fusion techniques aiming to improve system efficiency and reliability.","PeriodicalId":246540,"journal":{"name":"2009 3rd International Workshop on Advances in sensors and Interfaces","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128233787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2009-06-25DOI: 10.1109/IWASI.2009.5184765
A. Fort, M. Mugnaini, V. Vignoli, S. Rocchi, E. Comini, G. Faglia, A. Ponzoni
This paper concerns the characterization and modelling of single crystalline tin oxide nanowires used as CO sensors. In this work we analyze the performance of these devices when they are used with variable operating temperatures. The aim is reducing the power consumption and establishing a model suitable for the development of sensing systems working with programmed temperature protocols. In particular we developed and tested a model for the dynamic behaviour of the sensor able to predict the sensor response during transients. This model can be therefore exploited for the selection of optimum temperature profiles targeted to specific applications.
{"title":"Characterization and modelling of SnO2 nanowire sensors for CO detection","authors":"A. Fort, M. Mugnaini, V. Vignoli, S. Rocchi, E. Comini, G. Faglia, A. Ponzoni","doi":"10.1109/IWASI.2009.5184765","DOIUrl":"https://doi.org/10.1109/IWASI.2009.5184765","url":null,"abstract":"This paper concerns the characterization and modelling of single crystalline tin oxide nanowires used as CO sensors. In this work we analyze the performance of these devices when they are used with variable operating temperatures. The aim is reducing the power consumption and establishing a model suitable for the development of sensing systems working with programmed temperature protocols. In particular we developed and tested a model for the dynamic behaviour of the sensor able to predict the sensor response during transients. This model can be therefore exploited for the selection of optimum temperature profiles targeted to specific applications.","PeriodicalId":246540,"journal":{"name":"2009 3rd International Workshop on Advances in sensors and Interfaces","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114331362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2009-06-25DOI: 10.1109/IWASI.2009.5184771
A. Gabrielli, L. Fabbri, D. Demarchi, A. Sanginario, E. Villani
The stimulated ignition of latchup effects caused by external radiation has so far proven to be a hidden hazard. Here this effect is described as a novel approach to detect particles by means of a solid-state device susceptible to latchup effects. In addition, the device can also be used as a circuit for reading sensors devices, leaving the capability of sensing to external sensors. The paper first describes the state-of-the-art of the project and its development over the latest years, then the present and future studies are proposed. An elementary cell composed of two transistors connected in a thyristor structure is shown. The study begins using traditional bipolar transistors since the latchup effect is originated as a parasitic circuit composed of such devices. Then, an equivalent circuit built up of MOS transistors is exploited, resulting an even more promising and challenging configuration than that obtained via bipolar transistors. As the MOS transistors are widely used at present in microelectronics devices and sensors, a latchup-based cell is proposed as a novel structure for future applications in particle detection, amplification of signal sensors and radiation monitoring.
{"title":"On exploiting a latchup-based detector via commercial CMOS technologies","authors":"A. Gabrielli, L. Fabbri, D. Demarchi, A. Sanginario, E. Villani","doi":"10.1109/IWASI.2009.5184771","DOIUrl":"https://doi.org/10.1109/IWASI.2009.5184771","url":null,"abstract":"The stimulated ignition of latchup effects caused by external radiation has so far proven to be a hidden hazard. Here this effect is described as a novel approach to detect particles by means of a solid-state device susceptible to latchup effects. In addition, the device can also be used as a circuit for reading sensors devices, leaving the capability of sensing to external sensors. The paper first describes the state-of-the-art of the project and its development over the latest years, then the present and future studies are proposed. An elementary cell composed of two transistors connected in a thyristor structure is shown. The study begins using traditional bipolar transistors since the latchup effect is originated as a parasitic circuit composed of such devices. Then, an equivalent circuit built up of MOS transistors is exploited, resulting an even more promising and challenging configuration than that obtained via bipolar transistors. As the MOS transistors are widely used at present in microelectronics devices and sensors, a latchup-based cell is proposed as a novel structure for future applications in particle detection, amplification of signal sensors and radiation monitoring.","PeriodicalId":246540,"journal":{"name":"2009 3rd International Workshop on Advances in sensors and Interfaces","volume":"159 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132334518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2009-06-25DOI: 10.1109/IWASI.2009.5184769
L. Dilillo, F. Wrobel, J. Gallière, F. Saigné
In this paper, we propose a technique for the detection of neutrons that relies on the sensitivity of SRAM cells to particle radiation. In particular, we introduce a system based on a memory test bench that records the neutron reactions in the memory array. This system allows a good flexibility from different points of view. It is conceived to be modular, programmable, low power consuming and portable. Consequently, it can operate in various experimental conditions such as under artificial sources of particles as well as in natural ambience, from the earth surface to spatial environment. The system is also independent of the type of memory, allowing the use and the study of the interaction between particles and electronic devices built with different technologies.
{"title":"Neutron detection through an SRAM-based test bench","authors":"L. Dilillo, F. Wrobel, J. Gallière, F. Saigné","doi":"10.1109/IWASI.2009.5184769","DOIUrl":"https://doi.org/10.1109/IWASI.2009.5184769","url":null,"abstract":"In this paper, we propose a technique for the detection of neutrons that relies on the sensitivity of SRAM cells to particle radiation. In particular, we introduce a system based on a memory test bench that records the neutron reactions in the memory array. This system allows a good flexibility from different points of view. It is conceived to be modular, programmable, low power consuming and portable. Consequently, it can operate in various experimental conditions such as under artificial sources of particles as well as in natural ambience, from the earth surface to spatial environment. The system is also independent of the type of memory, allowing the use and the study of the interaction between particles and electronic devices built with different technologies.","PeriodicalId":246540,"journal":{"name":"2009 3rd International Workshop on Advances in sensors and Interfaces","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114393469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2009-06-25DOI: 10.1109/IWASI.2009.5184770
P. Acquafredda, E. Bisceglie, D. Bottalico, R. Brescia, M. Brigida, G. Caliandro, M. Capitelli, G. Casamassima, T. Cassano, R. Celiberto, G. Cicala, V. Crismale, A. De Giacomo, O. De Pascale, C. Favuzzi, G. Ferraro, P. Fusco, F. Gargano, N. Giglietto, F. Giordano, C. Gorse, V. Laporta, S. Longo, F. Loparco, B. Marangelli, M. Mazziotta, N. Mirizzi, M. Muscarella, M. Nitti, A. Rainò, A. Romeo, G. Senesi, P. Spinelli, A. Valentini, G. Verrone
The microwave plasma enhanced chemical vapor deposition technique has been employed to grow polycrystalline diamond films on p-doped Si (100) substrates starting from highly diluted (1% CH4 in H2) gas mixtures. Coplanar interdigitated Cr/Au contacts have been thermally evaporated on two samples about 8 µm thick having different grain size. Dark current-voltage (I–V) measurements and impedance characterization have been found to be dependent on the grain size and on the quality of the examined samples.
{"title":"Preliminary study on polycrystalline diamond films suitable for radiation detection","authors":"P. Acquafredda, E. Bisceglie, D. Bottalico, R. Brescia, M. Brigida, G. Caliandro, M. Capitelli, G. Casamassima, T. Cassano, R. Celiberto, G. Cicala, V. Crismale, A. De Giacomo, O. De Pascale, C. Favuzzi, G. Ferraro, P. Fusco, F. Gargano, N. Giglietto, F. Giordano, C. Gorse, V. Laporta, S. Longo, F. Loparco, B. Marangelli, M. Mazziotta, N. Mirizzi, M. Muscarella, M. Nitti, A. Rainò, A. Romeo, G. Senesi, P. Spinelli, A. Valentini, G. Verrone","doi":"10.1109/IWASI.2009.5184770","DOIUrl":"https://doi.org/10.1109/IWASI.2009.5184770","url":null,"abstract":"The microwave plasma enhanced chemical vapor deposition technique has been employed to grow polycrystalline diamond films on p-doped Si (100) substrates starting from highly diluted (1% CH4 in H2) gas mixtures. Coplanar interdigitated Cr/Au contacts have been thermally evaporated on two samples about 8 µm thick having different grain size. Dark current-voltage (I–V) measurements and impedance characterization have been found to be dependent on the grain size and on the quality of the examined samples.","PeriodicalId":246540,"journal":{"name":"2009 3rd International Workshop on Advances in sensors and Interfaces","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116012686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2009-06-25DOI: 10.1109/IWASI.2009.5184800
C. Cherubini, C. Giasi, Nicola Pastore
The control of environmental phenomena is based on the existence of quantifiable and measurable parameters representative of the phenomena themselves. In the case of studies concerning contaminated aquifers, after an initial step of characterization it is necessary to implement groundwater hydrogeochemical monitoring phases.
{"title":"Application of modeling for optimal localization of environmental monitoring sensors","authors":"C. Cherubini, C. Giasi, Nicola Pastore","doi":"10.1109/IWASI.2009.5184800","DOIUrl":"https://doi.org/10.1109/IWASI.2009.5184800","url":null,"abstract":"The control of environmental phenomena is based on the existence of quantifiable and measurable parameters representative of the phenomena themselves. In the case of studies concerning contaminated aquifers, after an initial step of characterization it is necessary to implement groundwater hydrogeochemical monitoring phases.","PeriodicalId":246540,"journal":{"name":"2009 3rd International Workshop on Advances in sensors and Interfaces","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129811058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2009-06-25DOI: 10.1109/IWASI.2009.5184791
A. Gabrielli, G. de Robertis, F. Loddo, A. Ranieri
This work is aimed at defining the architecture of a new digital ASIC, namely Slow Control Architecture (SCA), which will be designed and fabricated in a commercial 130 nm CMOS technology. This chip will be embedded within a high-speed data acquisition optical link (GBT) to control and monitor the front-end electronics — post-processing electronics for front-end sensors - proposed for future high-energy physics experiments at the super-Large Hadron Collider (SLHC), CERN, Geneva. The GBT link provides a transparent transport layer between the SCA and control electronics in the counting room. It will be provided with rad-hard redundant logic for critical circuits. The project follows a set of designs that were recently developed via a 250 nm CMOS technology for LHC experiments. Since this 250 nm specific technology used to design ASICs for the LHC will no longer be available as it was in the past, requesting an update technology for future experiments must be satisfied in any case. A test chip that implements three different redundant methodologies against Single Event Effects is also described. The ongoing work is within the Italian DACEL2 collaboration.
{"title":"Design of a slow-control chip to interface and read out front-end detectors at SLHC","authors":"A. Gabrielli, G. de Robertis, F. Loddo, A. Ranieri","doi":"10.1109/IWASI.2009.5184791","DOIUrl":"https://doi.org/10.1109/IWASI.2009.5184791","url":null,"abstract":"This work is aimed at defining the architecture of a new digital ASIC, namely Slow Control Architecture (SCA), which will be designed and fabricated in a commercial 130 nm CMOS technology. This chip will be embedded within a high-speed data acquisition optical link (GBT) to control and monitor the front-end electronics — post-processing electronics for front-end sensors - proposed for future high-energy physics experiments at the super-Large Hadron Collider (SLHC), CERN, Geneva. The GBT link provides a transparent transport layer between the SCA and control electronics in the counting room. It will be provided with rad-hard redundant logic for critical circuits. The project follows a set of designs that were recently developed via a 250 nm CMOS technology for LHC experiments. Since this 250 nm specific technology used to design ASICs for the LHC will no longer be available as it was in the past, requesting an update technology for future experiments must be satisfied in any case. A test chip that implements three different redundant methodologies against Single Event Effects is also described. The ongoing work is within the Italian DACEL2 collaboration.","PeriodicalId":246540,"journal":{"name":"2009 3rd International Workshop on Advances in sensors and Interfaces","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121563147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：