# IEEE Sensors Journal

## Filter Results

Displaying Results 1 - 25 of 42
• ### [Front cover]

Publication Year: 2011, Page(s): C1
| PDF (131 KB)
• ### IEEE Sensors Journal publication information

Publication Year: 2011, Page(s): C2
| PDF (37 KB)

Publication Year: 2011, Page(s):1 - 2
| PDF (50 KB)
• ### Electroactive Polymer “Artificial Muscle” Operable in Ultra-High Hydrostatic Pressure Environment

Publication Year: 2011, Page(s):3 - 4
Cited by:  Patents (3)
| | PDF (1384 KB) | HTML

Transducers for high-power sonars, an important tool for undersea exploration and monitoring, may be required to work in deep water where pressures are higher than several tens of MPa. In contrast with the piezoelectric devices commonly used as high-power sonars for seabed resource exploration, electroactive polymers offer the benefits of high coupling efficiency, low cost, and the ability to form... View full abstract»

• ### A Resonant Microwave Patch Sensor for Detection of Layer Thickness or Permittivity Variations in Multilayered Dielectric Structures

Publication Year: 2011, Page(s):5 - 15
Cited by:  Papers (13)  |  Patents (1)
| | PDF (1777 KB) | HTML

A microwave nondestructive evaluation (NDE) sensor operating in the X-band (8.2 to 12.4 GHz) for detecting thickness or permittivity changes in one layer of multilayered dielectric structures is presented. In particular, detection of defects in the form of permittivity variations in the core layer of a three-layer structure, such as an aircraft radome, is targeted. Using an efficient analytical mo... View full abstract»

• ### Calibration of Delta-Sigma Data Converters in Synchronous Demodulation Sensing Applications

Publication Year: 2011, Page(s):16 - 22
Cited by:  Papers (2)
| | PDF (678 KB) | HTML

Delta-sigma converters used in synchronous demodulation sensing applications like tuning fork gyroscopes or accelerometers typically contain zeroes in the noise transfer function for aggressive noise shaping to get higher resolution; however, analog component errors typically result in misplacement of the notch frequency resulting in lower SNDR and reduced sensor sensitivity. The error detection t... View full abstract»

• ### Fuzzy Diagnosis Method for Rotating Machinery in Variable Rotating Speed

Publication Year: 2011, Page(s):23 - 34
Cited by:  Papers (20)
| | PDF (709 KB) | HTML

In order to effectively diagnose faults for rotating machinery in the variable rotating speed, a novel diagnosis method is proposed based on time-frequency analysis techniques, the automatic feature extraction method, and fuzzy inference. The diagnosis sensitivities of three time-frequency analysis methods, namely, the short-time Fourier transform (STFT), wavelet analysis (WA), and the pseudo-Wign... View full abstract»

• ### Denoising by Singular Value Decomposition and Its Application to Electronic Nose Data Processing

Publication Year: 2011, Page(s):35 - 44
Cited by:  Papers (44)
| | PDF (824 KB) | HTML

This paper analyzes the role of singular value decomposition (SVD) in denoising sensor array data of electronic nose systems. It is argued that the SVD decomposition of raw data matrix distributes additive noise over orthogonal singular directions representing both the sensor and the odor variables. The noise removal is done by truncating the SVD matrices up to a few largest singular value compone... View full abstract»

• ### A Robust, Adaptive, Solar-Powered WSN Framework for Aquatic Environmental Monitoring

Publication Year: 2011, Page(s):45 - 55
Cited by:  Papers (94)
| | PDF (1686 KB) | HTML

The paper proposes an environmental monitoring framework based on a wireless sensor network technology characterized by energy harvesting, robustness with respect to a large class of perturbations and real-time adaptation to the network topology. The fully designed and developed ad hoc system, based on clusters relying on a star topology, encompasses a sensing activity, a one-step local transmissi... View full abstract»

• ### Passive Detection of Nitrogen Dioxide Gas by Relative Resistance Monitoring of Iron (II) Phthalocyanine Thin Films

Publication Year: 2011, Page(s):56 - 61
Cited by:  Papers (2)
| | PDF (703 KB) | HTML

Metal-substituted phthalocyanine (MPc) thin films have been well documented as sensitive materials for detection of nitrogen dioxide (NO2) gas. The mechanism for detection is such that a MPc thin film acting as the electron donor possesses a strong chemical adsorption affinity towards NO2 molecules acting as electron acceptors. The resulting charge-carrier complex formed sign... View full abstract»

• ### Noninvasive Monitoring of Polymer Curing Reactions by Dielectrometry

Publication Year: 2011, Page(s):62 - 70
Cited by:  Papers (5)
| | PDF (1530 KB) | HTML

A microwave sensor system for the noninvasive monitoring of the curing process of a thermoset material placed inside a metallic mold is described. The microwave sensor is designed as an open-ended coaxial resonator with a curved surface adapted to the mold inner shape. The analysis of the microwave resonator comprises a recently developed method for deembedding the effect of coupling network in ov... View full abstract»

• ### A Null-Buoyancy Thermal Flow Meter With Potential Application to the Measurement of the Hydraulic Conductivity of Soils

Publication Year: 2011, Page(s):71 - 77
Cited by:  Papers (3)
| | PDF (1035 KB) | HTML

A null-buoyancy thermal flow sensor is described; it is designed specifically for the measurement of very slow downward fluid flows in a vertical pipe in which a glass-rod thermistor is concentrically located. Sensor power dissipation in this thermistor is adjusted so that the upward thrust of the buoyant thermal plume from the warm thermistor sensor exactly counterbalances the downward bulk fluid... View full abstract»

• ### Fabrication and Testing of a PZT Strain Sensor for Soil Applications

Publication Year: 2011, Page(s):78 - 85
Cited by:  Papers (5)
| | PDF (762 KB) | HTML

Development of economical and compact strain sensors is crucial for efficient and precise dynamic measurement of strain magnitudes in soils. This paper deals with the design and fabrication of a lead zirconate titanate (PZT) strain sensor for soil mechanics applications. Initially, the sensor design parameters such as the diameter (1.35 cm) and thickness (300 μm) of the PZT diaphragm were d... View full abstract»

• ### A Monolithic QCM Array Designed for Mounting on a Flow Cell

Publication Year: 2011, Page(s):86 - 90
Cited by:  Papers (3)
| | PDF (434 KB) | HTML

A monolithic quartz crystal microbalance (QCM) array fabricated with the excitation electrodes located on the airside and the gold conductive layer on the sensing side was evaluated as a biosensor array in a simple flow cell. The electrode configuration of the new QCM is suitable for sensor applications in flow-cell systems compared with standard QCM because the mounting of the QCM on the flow cel... View full abstract»

• ### Piezoresistivity Study in ${rm Al}_{rm x}{rm Ga}_{1-{rm x}}{rm As}$ Thin Film for Sensor Application at Room Temperature

Publication Year: 2011, Page(s):91 - 92
| | PDF (455 KB) | HTML

In this letter, we report the piezoresistive effect at room temperature of a AlxGa1-xAs thin film, which has been integrated on the beams of an accelerometer as sensing elements to detect the external strain. The AlxGa1-xAs piezoresistive thin film was grown by metal organic chemical vapor deposition (MOCVD) on a semi-insulating (001) GaAs substrate. And... View full abstract»

• ### An IR Methodology to Assess the Behavior of Ferrofluidic Transducers—Case of Study: A Contactless Driven Pump

Publication Year: 2011, Page(s):93 - 98
Cited by:  Papers (8)
| | PDF (1580 KB) | HTML

A single drop of ferrofluid can be used as active mass in an innovative pump scheme. The absence of mechanical moving parts and solid-inertial masses provides high reliability and the possibility to implement the pumping mechanism on preexisting channels. The main focus of this paper is to describe the IR-based technique adopted to "observe" the cap movement inside the channel of the developed pum... View full abstract»

• ### Multifunctional Software-Defined Radar Sensor and Data Communication System

Publication Year: 2011, Page(s):99 - 106
Cited by:  Papers (48)  |  Patents (1)
| | PDF (887 KB) | HTML

Orthogonal frequency-division multiplexing (OFDM) signal coding and system architecture were implemented to achieve radar and data communication functionalities. The resultant system is a software-defined unit, which can be used for range measurements, radar imaging, and data communications. Range reconstructions were performed for ranges up to 4 m using trihedral corner reflectors with approximat... View full abstract»

• ### A Low-Cost Electromagnetic Generator for Vibration Energy Harvesting

Publication Year: 2011, Page(s):107 - 113
Cited by:  Papers (29)
| | PDF (928 KB) | HTML

This paper reports on a low-cost high-performance generator, which is based on a hybrid approach that uses polymethyl methalcrylate and electrodeposited foil to convert mechanical vibration into electrical power based on Faraday's law of magnetic induction. The generator is equipped with four wire-wound micro-coils that can be used separately or connected together depending on the voltage and elec... View full abstract»

• ### A Fully Integrated CMOS Accelerometer Using Bondwire Inertial Sensing

Publication Year: 2011, Page(s):114 - 122
Cited by:  Papers (12)  |  Patents (1)
| | PDF (962 KB) | HTML

This paper presents the design, implementation, and characterization of a fully integrated accelerometer using a bondwire inertial sensor. The accelerometer was implemented in a standard CMOS process without microelectromechanical processing. The system consists of a gold and aluminum bondwire inertial sensor and readout circuitry. Finite-element analysis was used to characterize the mechanical pe... View full abstract»

• ### Design and Construction of a Rogowski Coil for Measuring Wide Pulsed Current

Publication Year: 2011, Page(s):123 - 130
Cited by:  Papers (38)
| | PDF (993 KB) | HTML

In this paper, the design, installation, and performance of a Rogowski coil are presented. Based on the lumped-element model of Rogowski coil, the low-frequency distortion of wide pulsed current measurement is studied. The optimal damping resistance of the external-integrating Rogowski coil is obtained under the sinusoidal steady-state excitation. The amplitude-frequency characteristics of measuri... View full abstract»

• ### Smart Reset Control for Wide-Dynamic-Range LWIR FPAs

Publication Year: 2011, Page(s):131 - 136
Cited by:  Papers (6)  |  Patents (1)
| | PDF (513 KB) | HTML

A new readout circuit involving a pixel-level reset control was studied for 2-D long-wavelength infrared (LWIR) focal plane arrays. The integration time of each pixel can be optimized individually and automatically. Hence, the readout circuit has a wide dynamic range and good signal-to-noise ratio (SNR) characteristics. The readout circuit was fabricated with a 0.35-μm 2-poly 4-metal CMOS p... View full abstract»

• ### A ${rm Zn}^{2+}$ Optical Sensor and Logic Actuator Using Schiff Base Functionalized Mesoporous Material

Publication Year: 2011, Page(s):137 - 141
Cited by:  Papers (6)
| | PDF (907 KB) | HTML

One simple binaphthyl-bridged salicylidene Schiff base (2,2'-bis(3,5-dichloro-2-hydroxybenzylideneamino)-1,1'-binaphthyl (BCHB)) was successfully synthesised and modified into the channel of mesoporous molecular sieve SBA-15, which was functionalized with 3-aminapropyltriethoxysilane, through the hydrogen bond assembly. Detailed characterizations such as X-ray diffraction, transmission electron mi... View full abstract»

• ### Low-Frequency Noise in Field-Effect Devices Functionalized With Dendrimer/Carbon- Nanotube Multilayers

Publication Year: 2011, Page(s):142 - 149
Cited by:  Papers (8)
| | PDF (1008 KB) | HTML

Low-frequency noise in an electrolyte-insulator-semiconductor (EIS) structure functionalized with multilayers of polyamidoamine (PAMAM) dendrimer and single-walled carbon nanotubes (SWNT) is studied. The noise spectral density exhibits dependence with the power factor of and for the bare and functionalized EIS sensor, respectively. The gate-voltage noise spectral density is practically independent... View full abstract»

• ### A High-Performance n-i-p SiCN Homojunction for Low-Cost and High-Temperature Ultraviolet Detecting Applications

Publication Year: 2011, Page(s):150 - 154
Cited by:  Papers (5)
| | PDF (924 KB) | HTML

In this paper, ultraviolet (UV) detecting performances of the n-i-p SiCN homojunction prepared on a p-type (100) silicon substrate under room and elevated temperatures were studied. We analyze the morphology and structure of the crystalline SiCN film on Si first and then examine responses of the sensors to UV light by measurement of photo/dark current ratio with and without the irradiation of a 25... View full abstract»

• ### A 2-DOF MEMS Ultrasonic Energy Harvester

Publication Year: 2011, Page(s):155 - 161
Cited by:  Papers (37)
| | PDF (1014 KB) | HTML

This paper reports a novel ultrasonic-based wireless power transmission technique that has the potential to drive implantable biosensors. Compared with commonly used radio-frequency (RF) radiation methods, the ultrasonic power transmission is relatively safe for the human body and does not cause electronic interference with other electronic circuits. To extract ambient kinetic energy with arbitrar... View full abstract»

## Aims & Scope

The IEEE Sensors Journal is a peer-reviewed, semi-monthly online journal devoted to sensors and sensing phenomena.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Sandro Carrara
École Polytechnique Fédérale de Lausanne (EPFL)
Lausanne, CH-1015 Switzerland
sandro.carrara@epfl.ch