Search results for: FET SENSOR

• SENSORS

  Journals

  ISSN: 1424-8220

• Journal of Sensors and Sensor Systems

  Journals

  ISSN: 2194-8771 , eISSN: 2194-878X

• e-mentor

  Journals

  ISSN: 1731-6758 , eISSN: 1731-7428

• SENSORS AND ACTUATORS B-CHEMICAL

  Journals

  ISSN: 0925-4005

• Sztuczny sensor smaku a zmysł smaku

  Publication

  • M. Szpakowska
  • E. Marjańska

  - CHEMIK nauka-technika-rynek - Year 2007

  Omówiono klasy smaku i działanie zmysłu smaku, który odgrywa ogromną rolę w ocenie jakości żywności metodami organoleptycznymi. Metody te nie są w pełni obiektywne, stąd poszukuje się sztucznego sensora smaku. Przedstawiono szereg rozwiązań prowadzących do opracowania sensora smaku na większą skalę. Omówiono wybrane potencjometryczne i woltamperometryczne sensory smaku, a także ich handlowe modele.

• Application of electrochemical sensors and sensor matrixes for measurement of odorous chemical compounds

  Publication

  • J. Gębicki

  - TRAC-TRENDS IN ANALYTICAL CHEMISTRY - Year 2016

  In this paper describes the principle of operation of the electrochemical sensors and the sensor matrixes comprised of electrochemical sensors intended for measurement of odorous compounds. Critical comparison of these sensors’ advantages and disadvantages has been made. The fields of economy contributing to release of odours and the potential sources of their emission have been identified. Commercially available electrochemical...

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• Sensors and Sensor’s Fusion in Autonomous Vehicles

  Publication

  • A. Stateczny
  • M. Wlodarczyk-Sielicka
  • P. Burdziakowski

  - SENSORS - Year 2021

  Autonomous vehicle navigation has been at the center of several major developments, both in civilian and defense applications. New technologies such as multisensory data fusion, big data processing, and deep learning are changing the quality of areas of applications, improving the sensors and systems used. New ideas such as 3D radar, 3D sonar, LiDAR, and others are based on autonomous vehicle revolutionary development. The Special...

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• IEEE SENSORS JOURNAL

  Journals

  ISSN: 1530-437X , eISSN: 1558-1748

• IET Wireless Sensor Systems

  Journals

  ISSN: 2043-6386 , eISSN: 2043-6394

• Chapter 11 – Application of Chemical Sensors and Sensor Matrixes to Air Quality Evaluation

  Publication

  • J. Gębicki
  • T. Dymerski

  - Year 2016

  Indoor and outdoor air quality is one of the key factors influencing human health. However, air quality evaluation is not easy task. Air is a complex system, which is subjected to changes even within short period of time. Progress in analytical methods and analytical tools provides increasingly more reliable information on the condition and quality of indoor and outdoor air. This progress, however, generates an increase in the...

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• On the sensitivity, selectivity, sensory information and optimalsize of resistive chemical sensors

  Publication

  • L. B. Kish
  • J. Smulko
  • P. Heszler
  • C. G. Granqvist

  - Nanotechnology Perceptions - Year 2007

  Wykorzystano pojęcia teorii informacji do określenia możliwości poprawy selektywności i czujności rezystancyjnych sensorów gazu. Podano ogólne rozważania dotyczące limitu selektywnoœci dla tych sensorów. Porównano iloraz sygnału do szumów oraz pojemność kanału informacyjnego dla sensorów chemicznych wykorzystujących jako sygnał zjawiska fluktuacyjne z klasycznymi sensorami charakteryzowanymi jedną wartością. Ogólne rozważania wsparto...

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• A measurement method for capacitive sensors based on a versatile direct sensor-to-microcontroller interface circuit

  Publication

  • Z. Czaja

  - MEASUREMENT - Year 2020

  In the paper, there is presented a new time-domain measurement method for determining the capacitance values of capacitive sensors, dedicated, among others, to capacitive relative humidity sensors. The method is based on a versatile direct sensor-to-microcontroller interface for microcontrollers with internal analog comparators (ACs) and with precision voltage reference sources, e.g. digital-to-analog converters (DACs). The reference...

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• TASTE QUALITIES ESTIMATION BY TASTE SENSE AND ELECTROCHEMICAL SENSORS

  Publication

  • M. Szpakowska
  • E. Marjańska
  • E. Brodnicka

  - Year 2013

  The principles of taste sense and kinds of tastes (sweet, salty, sour, bitter, umami and fat) have been described. Food quality estimation by taste sense: organoleptic testing and sensory analysis has been presented. The principle of operation of potentiom etric sensor composed of several Ion Selective Electrodes or All Solid State Electrodes with polymeric membranes and macromolecular chemical compounds sensitive to substances...

• A measurement method for lossy capacitive relative humidity sensors based on a direct sensor-to-microcontroller interface circuit

  Publication

  • Z. Czaja

  - MEASUREMENT - Year 2021

  A new time-domain measurement method for determining the capacitance and resistance values of lossy relative humidity capacitive sensors is presented. The method is based on a direct sensor-to-microcontroller interface for microcontrollers with internal analog comparators and timers. The interface circuit consists only of four reference resistors (two reference resistors if a microcontroller includes a voltage reference source),...

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• SENSORS AND ACTUATORS A-PHYSICAL

  Journals

  ISSN: 0924-4247

• Time-domain measurement methods for R, L and C sensors based on aversatile direct sensor-to-microcontroller interface circuit

  Publication

  • Z. Czaja

  - SENSORS AND ACTUATORS A-PHYSICAL - Year 2018

  tIn the paper new time-domain measurement methods for determining values of resistive (R), inductive(L) and capacitive (C) sensors based on a versatile direct sensor-to-microcontroller interface for microcon-trollers with internal analog-to-digital converters (ADCs) and analog comparators (ACs) are presented.The interface circuit consists of a reference resistor Rrworking as a voltage divider, a given R, L or C sensorand a microcontroller...

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• Sensor Review

  Journals

  ISSN: 0260-2288 , eISSN: 1758-6828

• BIOINFO Sensor Networks

  Journals

  ISSN: 2249-944X

• FFT analysis of temperature modulated semiconductor gas sensor response for the prediction of ammonia concentration under humidity interference

  Publication

  • Ł. Woźniak
  • P. Kalinowski
  • G. Jasiński
  • P. Jasiński

  - MICROELECTRONICS RELIABILITY - Year 2018

  The increasing environmental contamination forces the need to design reliable devices for detecting of the volatile compounds present in the air. For this purpose semiconductor gas sensors, which have been widely used for years, are often utilized. Although they have many advantages such as low price and quite long life time, they still lack of long term stability and selectivity. Namely, environmental conditions have significant...

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• A current-controlled FET

  Publication

  • W. Kordalski

  - Zeszyty Naukowe Wydziału ETI Politechniki Gdańskiej. Technologie Informacyjne - Year 2007

  A novel semiconductor device, viz., Horizontally-Split-Drain Current-Controlled Field-Effect Transistor (HSDCCFET) with two control electrodes is proposed in this works. For the sake of brevity, the device can be called a CCFET. Operating principle of the proposed transistor is based on one of the galvanomagnetic phenomena, the Biot-Savart-Laplace law and a Gradual Channel Detachment Effect (GCDE). The transistor is dedicated...

• ACS Sensors

  Journals

  ISSN: 2379-3694

• Photonic Sensors

  Journals

  ISSN: 1674-9251 , eISSN: 2190-7439

• Sensors International

  Journals

  eISSN: 2666-3511

• Measurement: Sensors

  Journals

  eISSN: 2665-9174

• SENSORS AND MATERIALS

  Journals

  ISSN: 0914-4935

• Potentiometric sensor containing set of ion selective electrodes with lipid modified membranes for quality assessment of tested non-alcoholic beverages

  Publication

  • M. Szpakowska
  • J. Szwacki
  • E. Marjańska

  - Desalination and Water Treatment - Year 2022

  Potentiometric sensors may be a good tool for fast quality control of commercial drinks. In this work, such a sensor, containing a set of ion-selective electrodes with lipid-modified membranes (benzylhexadecyldimethylammonium chloride monohydrate, hexadecylamine, 1-dodecanol, elaidic acid, cholesterol) was used for discrimination and quality control of non-alcoholic beverages, mainly composed of sugar and citric acid. It was found...

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• Fibre-Optic pH Sensor

  Publication

  • Z. Hotra
  • O. Aksimenteva
  • I. Hlushyk
  • V. Cherpak
  • P. Stakhira
  • R. S. Romaniuk

  - Year 2006

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• Electrocatalytic nitrogen dioxide sensor.

  Publication

  • G. Jasiński
  • P. Jasiński
  • A. Z. Nowakowski
  • T. Zajt
  • B. Chachulski

  - Year 2004

  Opisano konstrukcję i właściwości elektrokatalitycznego czujnika gazów na bazie domieszkowanego samarem tlenku ceru. Pomiary przeprowadzono w mieszaninie syntetycznego powietrza i dwutlenku azotu. Kształt odpowiedzi prądowo - napięciowej zależy od stężenia NO2.

• International Journal of Sensor Networks

  Journals

  ISSN: 1748-1279 , eISSN: 1748-1287

• ACM Transactions on Sensor Networks

  Journals

  ISSN: 1550-4859 , eISSN: 1550-4867

• Sensor Letters

  Journals

  ISSN: 1546-198X

• <title>Correction of fiber optic ion sensor readings using a fiber optic temperature sensor</title>

  Publication

  • J. Maciejewski
  • K. Pozniak
  • R. Romaniuk
  • R. S. Romaniuk

  - Year 1999

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• Hardware-Software Implementation of a Sensor Network for CityTraffic Monitoring Using the FPGA- and ASIC-Based Sensor Nodes

  Publication

  • M. Wójcikowski
  • R. Żaglewski
  • B. Pankiewicz
  • M. Kłosowski
  • S. Szczepański

  - Journal of Signal Processing Systems for Signal Image and Video Technology - Year 2013

  Artykuł opisuje prototypową sieć sensorową do monitorowania ruchu pojazdów w mieście. Węzły sieci sensorowej, wyposażone w kamerę o niskiej rozdzielczości, obserwują ulice i wykrywają poruszające się obiekty. Detekcja obiektów jest realizowana w oparciu o własny algorytm segmentacji obrazów, wykorzystujący podwójne odejmowanie tła, wykrywanie krawędzi i cieni, działający na dedykowanym systemie mikroelektronicznym typu ''System...

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• Potentiometric taste sensor application for liquid product taste estimation

  Publication

  • M. Szpakowska
  • E. Marjańska
  • E. Brodnicka
  • J. Szwacki

  - Year 2014

  The principles of taste sense and kinds of tastes (sweet, salty, sour, bitter, umami and fat) have been described. Food quality estimation by taste sense: organoleptic testing and sensory analysis has been presented. The principle of operation of potentiometric sensor composed of several Ion Selective Electrodes or All Solid State Electrodes with polymeric membranes and macromolecular chemical compounds sensitive to substances...

• Spectroscopic and Wireless Sensor of Hematocrit Level

  Publication

  • E. Krystian
  • M. Jędrzejewska-Szczerska
  • M. Sobaszek

  - Procedia Engineering - Year 2012

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• Electrocatalytic gas sensor response analysis

  Publication

  • G. Jasiński
  • P. Jasiński
  • A. Z. Nowakowski

  - Year 2006

  W pracy przedstawiono i porównano metody analizy odpowiedzi elektrokatalitycznych czujników gazów toksycznych. Opisane metody pozwalają na ekstrakcje z odpowiediz czujników informacji o rodzaju gazu oraz o jego stężeniu.

• Element sensor based on microplasma generators

  Publication

  • T. Matusiak
  • K. Swiderski
  • J. Macioszczyk
  • P. Jamroz
  • P. Pohl
  • L. Golonka

  - Sensor Review - Year 2020

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• Sztuczny sensor smaku a zmysł smaku

  Publication

  • D. Adamczyk

  - CHEMIK nauka-technika-rynek - Year 2007

  Omówiono klasy smaku i działanie zmysłu smaku, który odgrywa ogromną rolę w ocenie jakości żywności metodami organoleptycznymi. Metody te nie są w pełni obiektywne, stąd poszukiwanie sztucznego sensora smaku. Przedstawiono szereg rozwiązań prowadzących do opracowania sensora smaku na większą skalę. Omówiono wybrane potencjometryczne i woltamperometryczne sensory smaku, a także ich handlowe modele.

• Hydrogen sulphide electrocatalytic gas sensor

  Publication

  • A. Strzelczyk
  • G. Jasiński
  • B. Chachulski
  • P. Jasiński

  - Microelectronics materials and technologies - Year 2012

  In this article measurement results of the electrocatalytic gas sensor in different concentrations of hydrogen sulphide are presented. Working principle of such sensor is based on electric current acquisition, while voltage ramp is applied to the sensor. During voltage sweep oxidation and reduction reactions occurs on the sensor electrodes. Obtained current-voltage plot has unique shape connected...

• Spectroscopic and wireless sensor of hematocrit level

  Publication

  • E. Krystian
  • M. Szczerska
  • M. Sobaszek

  - Year 2012

  An optical method for hematocrit measurement has been presented. the sensor, designed and developed by authors, consists of spectroscopic set-up controlled by a microcontroller. measurement results are sent via wireless module. experiment has confirmed the ability of the sensor to determine the hematocrit with appropriate measurementaccuracy.

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• Spectroscopic wireless sensor of hematocrit level

  Publication

  • M. Szczerska
  • M. Gnyba
  • M. Sobaszek
  • E. Krystian

  - SENSORS AND ACTUATORS A-PHYSICAL - Year 2013

  An optical method for hematocrit measurement is presented. The sensor, designed and developed by authors, consists of a spectroscopic set-up and a microcontroller. The work of the sensor is based on measurement of intensity of two selected spectral bands. Tests confirmed the ability of the sensor to determine the hematocrit level with appropriate measurement accuracy. Measurement results can be transmitted via wireless module to...

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• Optimal Sensor Placement for Damage Detection

  Publication

  • M. Krawczuk
  • P. Kudela
  • W. Ostachowicz
  • M. Palacz
  • A. Żak

  - Year 2006

  W pracy przedstawiono dwie konfiguracje czujników PZT do detekcji uszkodzeń w płytach. Omówion zalety i wady obu konfiguracji.

• Electrocatalytic gas sensor with reference layer

  Publication

  • A. Strzelczyk
  • P. Lorenc
  • G. Jasiński

  - Year 2014

  In recent years electrochemical gas sensors based on solid state electrolytes have been intensively developed. They are easy to obtain, use and relative durable. Nasicon is one of the most promising materials, which have been used in construction of gas sensors. Most of these devices work in potentiometric or amperometric mode. However, some works are dedicated to sensors working in electrocatalytic mode. Principle of operation...

• Electrocatalytic Gas Sensor with Reference Layer

  Publication

  • A. Strzelczyk
  • P. Lorenc
  • G. Jasiński

  - Procedia Engineering - Year 2014

  This paper presents studies of gas sensors prepared in ceramic technology with Nasicon as a solid electrolyte. Sensors work in the voltammetric mode thus based on the excitation of a sensor with a periodic potential signal while current response is recorded. The main aim is to investigate a Bi8Nb2O17 reference layer influence on sensor properties. Sensors I-V characteristics in different concentration of nitrogen dioxide have been...

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• Nanocrystalline undoped ceria oxygen sensor.

  Publication

  • P. Jasiński
  • T. Suzuki
  • H. U. Anderson

  - SENSORS AND ACTUATORS B-CHEMICAL - Year 2003

  W pracy przedstawiono wyniki badań struktury i elektrycznych właściwości nanokrystalicznego czujnika na bazie niedomieszkowanego tlenku ceru. Zbadano wpływ ciśnienia parcjalnego tlenu na rezystancję cienkowarstwowego tlenku ceru. Konduktancja tlenku ceru w zakresie stężeń tlenu od 10ppm do 100% ma charakter eksponecjalny z parametrem -0.25. Zbadano szybkość odpowiedzi oraz wpływ dwutlenku azotu oraz dwutlenku siarki na odpowiedź...

• Selectivity of amperometric sulfur dioxide sensor.

  Publication

  • B. Chachulski

  - Year 2004

  W pracy przedstawiono wartości współczynników selektywności amperometrycznego czujnika ditlenku siarki względem siarkowodoru. Obliczenia wykonane zostały w oparciu o krzywe kalibracyjne wyznaczone dla zaprezentowanego wcześniej przez nas amperometrycznego czujnika ditlenku siarki. Analiza krzywych kalibracyjnych pod względem czułości oznaczenia oraz analiza wartości amperometrycznych współczynników selektywności odgrywa dużą pomocniczą...

• Journal of Sensors

  Journals

  ISSN: 1687-725X , eISSN: 1687-7268

• Identification of defected sensors in an array of amperometric gas sensors

  Publication

  • M. Dmitrzak
  • P. Kalinowski
  • P. Jasiński
  • G. Jasiński

  - Sensor Review - Year 2022

  Purpose Amperometric gas sensors are commonly used in air quality monitoring in long-term measurements. Baseline shift of sensor responses and power failure may occur over time, which is an obstacle for reliable operation of the entire system. The purpose of this study is to check the possibility of using PCA method to detect defected samples, identify faulty sensor and correct the responses of the sensor identified as faulty. Design/methodology/approach In...

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• Sensors and Actuators Reports

  Journals

  ISSN: 2666-0539

• IEEE Sensors Letters

  Journals

  eISSN: 2475-1472