Showing papers in "Measurement in 2008"

TL;DR: This technology provides another useful way to EEG feature extraction in BCIs and is evaluated by separability and pattern recognition accuracy using the datasets of BCI 2003 Competition.

TL;DR: Close-range photogrammetry has found many diverse applications in the fields of industry, biomechanics, chemistry, biology, archaeology, architecture, automotive, and aerospace, as well as accident reconstruction.

TL;DR: In this paper, the feasibility of using inexpensive wireless nanotechnology based devices for the field measurement of soil temperature and moisture is studied, which is based on a shear stress principal, which the microsensor chip combines a proprietary polymer sensing element and Wheat stone bridge piezoresistor circuit to deliver two DC output voltages that are linearly proportional to moisture and temperature.

TL;DR: In this article, two different distributed and centralized architectures are presented to integrate the multi-sensor data based on extended Kalman filter (EKF) data fusion algorithm for process monitoring enhancement to detect and diagnose sensor and process faults.

TL;DR: A new algorithm to estimate the sinewave parameters of two acquired sine signals sharing a common frequency can be used for example in impedance measurements or in the accurate frequency characterization of linear systems by measuring its input and output and varying the input signal frequency.

TL;DR: An ECG (electrocardiogram) telemonitoring system based on a mobile phone platform that transmits abnormal heartbeats in real time by using MMS on GPRS, and develops a real-time ECG classification algorithm that can be executed by the dual-core processor in the Holter.

TL;DR: A novel optimal multilevel thresholding algorithm for brain magnetic resonance image segmentation based on bacterial foraging based on a relatively recently proposed evolutionary approach, henceforth called BACTFOR, which could comprehensively outperform PSO_IW.

TL;DR: In this article, a survey of power quality measurement in a deregulated electricity market can be found, where each actor can be responsible for the injection of disturbances, so that a disturbance generated by one customer can be distributed to other customers, causing possible damage to their equipment.

TL;DR: In this article, a neural network-based system was proposed to predict the quality and nugget size of each spot weld in real time, when operated at the borderline between acceptable and worn electrode tip conditions, to within ± 0.15mm.

TL;DR: Different methods of combining many neural classifiers into one ensemble system for recognition and classification of arrhythmia bring important benefits and result in significant improvement of accuracy.

TL;DR: In this article, a localized surface plasmon resonance (LSPR) based quantitative determination of hydrogen peroxide using polyvinylpyrrolidone (PVP) coated silver nanoparticles was described.

TL;DR: In this paper, the HP 5529A laser interferometer is used to estimate radial and axial error motions of spindles using reflection directly from a high-precision sphere.

TL;DR: The aim of this research was to assess the potential accuracy and robustness of systems using low-resolution images, resulting in considerable savings on hardware costs, enabling the development of systems which may be implemented in a wide range of applications.

TL;DR: The spectral emissivity of these paints has been measured at IKE in the normal direction and at 30° and 60° incidence on air at normal pressure and temperatures from 700 to 1313°C as discussed by the authors.

TL;DR: In this paper, a micro-probe and special designed fixtures are used to apply mechanical loading on the silicon micro-cantilever beams by bending, and failure mechanisms are determined based on the microscopic analysis.

TL;DR: In this paper, the authors derived complete expressions of second and third order average and uncertainty of measurements for one and two variable systems, respectively, and compared with other methods, and demonstrated the magnitude of these orders.

TL;DR: In this article, the grey bootstrap method is proposed to resolve some problems about evaluation of the uncertainty in the process of dynamic measurement by developing four evaluating indicators, i.e., the estimated uncertainty, the estimated interval, estimated true value and the mean uncertainty.

TL;DR: The effectiveness of the developed remote diagnostic system is justified by monitoring a transmission-element test rig and a complete monitoring cycle including data acquisition, signal-processing, feature extraction, pattern recognition through the artificial neural networks, and online video surveillance is demonstrated.

TL;DR: In this paper, a thinning algorithm is proposed for real-time unbiased finite impulse response (FIR) estimation of the local clock time interval error (TIE) model employing GPS-based sawtooth measurements.

TL;DR: In this paper, the interval grey dynamic model by convolution integral with the first-order derivative of the 1-AGO data and n series related, abbreviated as IGDMC(1, n ), is presented.

TL;DR: It is demonstrated that a suitable combination of TDR detecting functionalities, in terms of spatial localization, dielectric properties estimation and coaxial probe performance characteristics, leads to an enhanced quantitative and qualitative monitoring method.

TL;DR: The suggested model enables a simple estimation of ADC nonlinearity errors from fast ADC tests without the needs of the high accuracy of instrumentation required by the standardised test methods.

TL;DR: An overview of estimation of RMS values by comparing five different DSP algorithms of R MS measurements by non-coherent sampling from the point of view of measurement bias and uncertainty for various leakage levels and the data window used is presented.

TL;DR: In this paper, a higher-order frequency-domain characterization of termite activity (feeding and excavating) has been performed by means of analyzing diagonal slices of the bispectrum and the trispectrum, with the main goal of reducing subjectiveness in the task of detecting a possible infestation in a noisy measurement scenario.

TL;DR: Arpaia et al. as mentioned in this paper proposed a low-invasive diagnosis of prosthesis osseointegration by electrical impedance spectroscopy (EIS) using a microcontroller-based prototype.

TL;DR: In this article, a non-invasive thermal flowmeters based on the heat transfer principle is proposed to measure the temperature of a single particle both before and after passage through a heated region.

TL;DR: An analytical comparison of the most often used methods of emissivity measurements carried out during infrared thermographic studies on electronic microcircuits (thin-, thick-film and hybrid ones, high-density miniature PCBs, microsystems) is the main purpose of as discussed by the authors.

TL;DR: In this article, a rotating multi-axial transducer has been developed for friction stir welding (FSW), which allows online and offline measurement of process responses (force footprint, energy, temperature, etc.) and can be incorporated into a feedback control system for the processes technical and economic trade-off regulation.

TL;DR: In this article, an improved approach for the measurement of the severity of power quality phenomenon called light flicker which is the disturbance caused by luminance variations due to supply voltage fluctuations is proposed.

TL;DR: In this paper, the first-vibration-mode resonance frequency of a bearing was derived by applying a recursive estimation algorithm and the resonance frequency could be retrieved by estimating the coefficients of the function basis with the linear least squares analysis.