# IEEE Transactions on Instrumentation and Measurement

## Filter Results

Displaying Results 1 - 25 of 32

Publication Year: 2014, Page(s):C1 - 741
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• ### IEEE Transactions on Instrumentation and Measurement publication information

Publication Year: 2014, Page(s): C2
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• ### Weld Line Detection and Tracking via Spatial-Temporal Cascaded Hidden Markov Models and Cross Structured Light

Publication Year: 2014, Page(s):742 - 753
Cited by:  Papers (14)
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Unlike weld seam detection in a welding process, weld line localization for inspection is usually performed outdoors and challenged by noise and variation of illumination intensity. In this paper, we propose a weld line localization approach for mobile platform via a cross structured light (CSL) device and spatial-temporal cascaded hidden Markov models (HMMs). A CSL device is designed to project c... View full abstract»

• ### Interpolated DFT for $\sin^{\alpha}(x)$ Windows

Publication Year: 2014, Page(s):754 - 760
Cited by:  Papers (11)
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This paper describes interpolated discrete Fourier transform (IpDFT) for parameter estimation of sinusoidal and damped sinusoidal signals analyzed with a sinα(x) window. For α = 0,2,4,...sinα(x) windows are Rife-Vincent class I (RVI) windows, for which IpDFT algorithms are known. We present a new IpDFTs for α = 1,3,5,.... The bias-variance trade-of... View full abstract»

• ### Parameter Identification and Analysis of Uncertainties in Measurements of Lead–Acid Batteries

Publication Year: 2014, Page(s):761 - 768
Cited by:  Papers (6)
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This paper is devoted to impedance measurements over the frequency band corresponding to the Randles model of the first order. An estimation technique is proposed to assess the state of charge of a battery using a developed experimental system. Randles parameter identification is carried out based on frequency response. This paper focuses on the analysis of the propagated uncertainty of input vari... View full abstract»

• ### Low-Cost High-Efficiency Discrete Current Sensing Method Using Bypass Switch for PV Systems

Publication Year: 2014, Page(s):769 - 780
Cited by:  Papers (4)  |  Patents (1)
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This paper proposes a simplified current sensing technique for the successful tracking of maximum power point with boost converter for photovoltaic (PV) power systems. To achieve the optimum solutions, the simplest sensing strategy is proposed with high resolution, maximum efficiency, and low cost. In general, PV current of a solar power system is obtained not in continuous time domain but in disc... View full abstract»

• ### Harmonics Measurement With a Modulated Sliding Discrete Fourier Transform Algorithm

Publication Year: 2014, Page(s):781 - 793
Cited by:  Papers (19)
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Accurate harmonics estimation has become a key issue in power quality assessment. This paper deals with a discrete Fourier transform (DFT)-based measurement technique, which can be easily employed to accurately determine the harmonic components of a distorted signal, i.e., voltage or current. The proposed method is based on a modulated sliding DFT algorithm, which is unconditionally stable and doe... View full abstract»

• ### Determining the Sources of Measurement Uncertainty in Environmental Cell-Based Biosensing

Publication Year: 2014, Page(s):794 - 804
Cited by:  Papers (1)
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Measurement uncertainty has become an important concept in quantitative chemical analysis that unifies many previously disparate strands of information on data quality. When performing the evaluation, direct application of the guide to the expression of uncertainty in measurement may not be feasible, unless the measurement uses a straightforward detection mode and follows a well-established model ... View full abstract»

• ### Uncertainty Assessment of Measurement in Variation Coefficient of Drip Irrigation Emitters Flow Rate

Publication Year: 2014, Page(s):805 - 812
Cited by:  Papers (4)
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A comparison analysis on the uncertainty of the emitter coefficient of flow rate variation method for two emitter test devices is presented. The effect and adaptability of two Type A uncertainty methods, traditional and maximum entropy, are discussed for the manual and automatic emitter test devices. Several conclusions from the analysis and test date are: the automatic device has a higher accurac... View full abstract»

• ### Complex Field Fault Modeling-Based Optimal Frequency Selection in Linear Analog Circuit Fault Diagnosis

Publication Year: 2014, Page(s):813 - 825
Cited by:  Papers (15)
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Owing to the lack of feasible fault modeling method, hard (open and short) faults, and discretized parametric faults are still the mostly used fault models. These models cannot characterize all soft (parameter shifting) faults because that the parameter of analog element be of continuity character. To address this concern, a complex field fault modeling method is presented first. If fault happens ... View full abstract»

• ### Vision-Based Robust Path Reconstruction for Robot Control

Publication Year: 2014, Page(s):826 - 837
Cited by:  Papers (4)
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Many applications in mobile robotics require the localization of the robot with respect to the boundary of a path (e.g., a lane marker) and the reconstruction of the path in front of the robot. The former can be used as a basis for a reactive control scheme that drives the robot along the specified path and the latter is used to plan its future motion. Our solution to these problems relies on a ca... View full abstract»

• ### Novel Methods for Noncontact Heart Rate Measurement: A Feasibility Study

Publication Year: 2014, Page(s):838 - 847
Cited by:  Papers (27)
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The following paper investigates four novel methods for noncontact measurement of heart rate (HR) and consequently its derivate HR variability, an important marker of autonomic activity proven to be predictive of likelihood of future health related events. Feasibility study of basic principles is focused on measurements of signal-to-noise ratio with respect to the distance between the subject and ... View full abstract»

• ### Measurement of Speed and Calibration of Tachometers Using Rotating Magnetic Field

Publication Year: 2014, Page(s):848 - 858
Cited by:  Papers (8)
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Fast speed measurement and control signals are required for feedback control applications. In the proposed technique, a rotating magnetic field (RMF) is used to measure the speed and the variation in speed with high accuracy. In addition to a 400 Hz, three-phase input voltage circuit and an output zero-crossing detector circuit, a contact-type synchro is used as a primary transducer. A balanced th... View full abstract»

• ### Effects of Drag Force of Helium Gas on a Spinning Superconducting Rotor

Publication Year: 2014, Page(s):859 - 863
Cited by:  Papers (4)
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A superconducting rotor with the high-speed rotation is driven by the torque generated from stator coils at low temperature in 4.2 K. It is necessary to fill the rotor housing with cold helium gas to remove the heat from the superconducting rotor to the support structure. However, it will bring the drag force from the gas, which has a negative effect on the rotating speed of the rotor. The drag to... View full abstract»

• ### Flexible Indoor Localization and Tracking Based on a Wearable Platform and Sensor Data Fusion

Publication Year: 2014, Page(s):864 - 876
Cited by:  Papers (34)
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Indoor localization and tracking of moving human targets is a task of recognized importance and difficulty. In this paper, we describe a position measurement technique based on the fusion of various sensor data collected using a wearable embedded platform. Since the accumulated measurement uncertainty affecting inertial data (especially due to the on-board accelerometer) usually makes the measured... View full abstract»

• ### Automatic Fastener Classification and Defect Detection in Vision-Based Railway Inspection Systems

Publication Year: 2014, Page(s):877 - 888
Cited by:  Papers (34)
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The detection of fastener defects is an important task in railway inspection systems, and it is frequently performed to ensure the safety of train traffic. Traditional inspection is usually operated by trained workers who walk along railway lines to search for potential risks. However, the manual inspection is very slow, costly, and dangerous. This paper proposes an automatic visual inspection sys... View full abstract»

• ### Simplified Three-Cornered-Hat Technique for Frequency Stability Measurements

Publication Year: 2014, Page(s):889 - 895
Cited by:  Papers (3)
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We propose a novel technique allowing the use of the three-cornered-hat method with two devices under test (DUTs) and a time-tagging system that employs a common reference oscillator. The precision of a time-tagging system is reduced by fluctuations in the timebase, which are canceled when the relative phase between the two DUTs is measured. However, the raw time-tags in this system provide a phas... View full abstract»

• ### Biaxial Permittivity Determination for Electrically Small Material Specimens of Complex Shape Using Shorted Rectangular Waveguide Measurements

Publication Year: 2014, Page(s):896 - 903
Cited by:  Papers (4)
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A method for determining the complex anisotropic permittivity for electrically small material specimens of complex shape with biaxial dielectric anisotropy is described and representative measured results are presented. The method extracts the anisotropic tensor elements from specimen reflection measurements made with a shorted rectangular waveguide. A number of independent reflection measurements... View full abstract»

• ### Multirate Processing Technique for Obtaining Integer and Fractional-Order Derivatives of Low-Frequency Signals

Publication Year: 2014, Page(s):904 - 912
Cited by:  Papers (6)
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This paper proposes a multirate processing technique for obtaining integer and fractional derivatives of digital signals with an improved signal-to-quantization noise ratio. The technique consists of an oversampling analog-to-digital conversion unit with a dithering process and multistage down sampling process followed by an half-band finite impulse response (FIR) differentiator with high performa... View full abstract»

• ### Automatic Defect Identification of Eddy Current Pulsed Thermography Using Single Channel Blind Source Separation

Publication Year: 2014, Page(s):913 - 922
Cited by:  Papers (39)
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Eddy current pulsed thermography (ECPT) is an emerging nondestructive testing and evaluation (NDT&E) technique and has been applied for a wide range of conductive materials. In this paper, a single-channel blind source separation is proposed to process the ECPT image sequences. The proposed method enables: 1) automatically extract valuable spatial and time patterns according to the whole transient... View full abstract»

• ### Smooth Nonnegative Matrix Factorization for Defect Detection Using Microwave Nondestructive Testing and Evaluation

Publication Year: 2014, Page(s):923 - 934
Cited by:  Papers (10)
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This paper addresses the interpolation issue of current spectral estimation methods in microwave-based nondestructive testing and evaluation. We developed a spatial-frequency feature extraction algorithm for defect detection with an open-ended waveguide system using smooth Itakura-Saito nonnegative matrix factorization. In addition, the mathematical models of spatial-frequency characteristics for ... View full abstract»

• ### A Comparison of Uncertainty Evaluation Methods for On-Wafer $S$-Parameter Measurements

Publication Year: 2014, Page(s):935 - 942
Cited by:  Papers (7)
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An experimental analysis of on-wafer S-parameter uncertainties is presented. Recently, two different approaches, based either on differential numerical programming or on a fully analytical solution, have been introduced. In order to establish their suitability, a careful comparison is given for on-wafer measurements. Through this comparison, possible limitations and causes of errors are also highl... View full abstract»

• ### Golf Swing Motion Tracking Using Inertial Sensors and a Stereo Camera

Publication Year: 2014, Page(s):943 - 952
Cited by:  Papers (19)
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A golf swing motion tracking algorithm is proposed in which the golf club trajectory (position and velocity) and club face orientation information are given. Two sensors are used in the algorithm: an inertial sensor unit on the golf club, and a stereo camera that captures infrared light emitting diodes (LEDs), also on the golf club. During the address and impact golf swing phases, the camera captu... View full abstract»

• ### Monitoring of Oxygen Content in the Flue Gas at a Coal-Fired Power Plant Using Cloud Modeling Techniques

Publication Year: 2014, Page(s):953 - 963
Cited by:  Papers (6)
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The accurate measurement of oxygen content in the flue gas at a coal-fired power plant is important for the plant operators to realize closed-loop and optimal control. In this paper, eight zirconium oxygen analyzers were used to measure the oxygen content in the flue gas under real plant conditions. A cloud model is incorporated into the measurement system. In consideration of the temporal and spa... View full abstract»

• ### Robustness and Sensitivity Metrics for Tuning the Extended Kalman Filter

Publication Year: 2014, Page(s):964 - 971
Cited by:  Papers (12)
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In this paper, a robustness metric and a sensitivity metric have been defined, which can be used to determine a suitable combination of the filter tuning parameters of the extended Kalman filter. These metrics are related to the innovation covariance and their derivation necessitates a change of paradigm from the estimated states to the estimated measurements. The characteristics of these metrics ... View full abstract»

## Aims & Scope

Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications.

Full Aims & Scope

Editor-in-Chief