IEEE Sensors Journal
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Air quality monitoring and fire detection with the Karlsruhe electronic micronose KAMINA
IEEE Sensors Journal - Tập 2 Số 3 - Trang 179-188 - 2002
An indoor air monitoring device is one of the most prominent consumer
applications of an electronic nose (EN). Integral gas analysis similar to
biogenic odor perception can be a versatile tool to obtain continuous
information about pollutants, odors, and air compositions indicating gaseous
precursors of dangers such as fires. However, an EN to be used as a common
household device has to combine hi...
#Monitoring #Fires #Temperature sensors #Biomembranes #Electronic noses #Information analysis #Air pollution #Energy consumption #Gas detectors #Electrodes
Pattern analysis for machine olfaction: a review
IEEE Sensors Journal - Tập 2 Số 3 - Trang 189-202 - 2002
Pattern analysis constitutes a critical building block in the development of gas
sensor array instruments capable of detecting, identifying, and measuring
volatile compounds, a technology that has been proposed as an artificial
substitute for the human olfactory system. The successful design of a pattern
analysis system for machine olfaction requires a careful consideration of the
various issues i...
#Pattern analysis #Sensor arrays #Feature extraction #Gas detectors #Instruments #Humans #Olfactory #Signal design #Signal processing #Pattern recognition
Classification of bacteria responsible for ENT and eye infections using the Cyranose system
IEEE Sensors Journal - Tập 2 Số 3 - Trang 247-253 - 2002
The Cyranose 320 (Cyrano Sciences Inc., USA), comprising an array of 32 polymer
carbon black composite sensors, has been used to identify species of bacteria
commonly associated with medical conditions. Results from two experiments are
presented: one on bacteria causing eye infections and one on a new series of
tests on bacteria responsible for some ear, nose, and throat (ENT) diseases. For
the ey...
#Microorganisms #Sensor arrays #Medical conditions #Medical services #Principal component analysis #Polymers #Testing #Ear #Nose #Diseases
Distributed odor source localization
IEEE Sensors Journal - Tập 2 Số 3 - Trang 260-271 - 2002
This paper presents an investigation of odor localization by groups of
autonomous mobile robots. First, we describe a distributed algorithm by which
groups of agents can solve the full odor localization task. Next, we establish
that conducting polymer-based odor sensors possess the combination of speed and
sensitivity necessary to enable real world odor plume tracing and we demonstrate
that simple...
#Robot sensing systems #Animals #Robot kinematics #Mobile robots #Chemical engineering #Robustness #Particle swarm optimization #Chemical hazards #Distributed algorithms #Polymers
Effects of electrode configuration on polymer carbon-black composite chemical vapor sensor performance
IEEE Sensors Journal - Tập 2 Số 3 - Trang 160-168 - 2002
The performance of polymer carbon-black composite chemical vapor sensors as a
function of underlying electrode size and geometry has been studied. The sensor
performance parameters investigated were sensor response magnitude to a toluene
analyte (100, 500, and 1000 ppm), fundamental sensor noise in the presence of
air, and two concentrations of toluene (100 and 500 ppm), and signal-to-noise
ratio ...
#Chemical sensors #Electrodes #Signal to noise ratio #Sensor arrays #Geometry #Polymer films #Signal analysis #Performance analysis #Testing #Plastic insulation
Identification of odors using a sensor array with kinetic working temperature and Fourier spectrum analysis
IEEE Sensors Journal - Tập 2 Số 3 - Trang 230-234 - 2002
A method for the identification of odors using a dynamically driven sensor array
has been developed, in which transient responses of the sensor array were used
to recognize target odors. Fourier transformation was used to transform the
transient response curves of the sensor array into Fourier spectra, and patterns
composed of some of the magnitudes in the spectra were used in the pattern
recognit...
#Sensor arrays #Temperature sensors #Kinetic theory #Acoustic sensors #Gas detectors #Ethanol #Sensor systems #Electronic noses #Fourier transforms #Transient response
Optimization of gas-sensitive polymer arrays using combinations of heterogeneous and homogeneous subarrays
IEEE Sensors Journal - Tập 2 Số 3 - Trang 169-178 - 2002
Results for optimizing an array of conducting polymer gas sensors for sensing
one of five analytes in the presence of up to four interferents are presented.
The optimized array consists of subarrays of homogeneous (like) sensors
contributing to a larger heterogeneous array of up to ten points (unlike
sensors) in multidimensional sensor space. The optimization techniques presented
here are linear, ...
#Polymers #Sensor arrays #Chemical sensors #Sensor phenomena and characterization #Sensor systems #Gas detectors #Multidimensional systems #Additives #Information analysis #Ethanol
System identification of electronic nose data from cyanobacteria experiments
IEEE Sensors Journal - Tập 2 Số 3 - Trang 218-229 - 2002
Linear black-box modeling techniques are applied to both steady state and
dynamic data gathered from two electronic nose experiments involving
cyanobacteria cultures. Analysis of the data from a strain identification
experiment shows that very simple low order MISO black box model structures are
able to produce very high success rates (up to 100%) when identifying the toxic
strain of cyanobacteria...
#System identification #Electronic noses #Steady-state #Microorganisms #Capacitive sensors #Data analysis #Artificial neural networks #Food industry #Biomedical monitoring #Medical diagnosis
A portable electronic nose based on embedded PC technology and GNU/Linux: hardware, software and applications
IEEE Sensors Journal - Tập 2 Số 3 - Trang 235-246 - 2002
This paper describes a portable electronic nose based on embedded PC technology.
The instrument combines a small footprint with the versatility offered by
embedded technology in terms of software development and digital communications
services. A summary of the proposed hardware and software solutions is provided
with an emphasis on data processing. Data evaluation procedures available in the
inst...
#Electronic noses #Linux #Hardware #Embedded software #Application software #Instruments #Linear discriminant analysis #Principal component analysis #Programming #Digital communication
Medical diagnosis with the gradient microarray of the KAMINA
IEEE Sensors Journal - Tập 2 Số 3 - Trang 254-259 - 2002
Investigations with human breath and cultures of oral bacteria have been
performed to examine the analytical performance of the KAMINA gradient
microarray based on a segmented metal oxide layer. Standard microarray chips
with 38 segments, one chip equipped with platinum doped SnO/sub 2/ and the other
with WO/sub 3/, were inspected. The results show that the gradient microarray is
able to detect ac...
#Medical diagnosis #Microorganisms #Humans #Gases #Principal component analysis #Performance analysis #Platinum #Medical diagnostic imaging #Ethanol #Pattern analysis
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