To overcome the serious thermal recession problem that has been associated with the braking torque of conventional eddy current brakes, and to conserve energy, this paper has proposed a novel self-excited eddy current retarder (S-ECR). The design includes a stator with an internally cooled channel, a rotor with double salient poles, and a built-in generator. The electromagnetic field analysis …
Thirty-five years ago Bill Cassie (Professor William Fisher Cassie) used to tell his students in Newcastle that one of the tasks of civil engineers was to put services under the ground, including transport. The surface was for people on foot and, in future, the movement of vehicles would be underneath towns, as with the movement of water and sewage. He was ahead of his time; he had writt…
Detecting local common sequence-structure regions of RNAs is a biologically important problem. Detecting such regions allows biologists to identify functionally relevant similarities between the inspected molecules. We developed dynamic programming algorithms for finding common structure-sequence patterns between two RNAs. The RNAs are given by their sequence and a set of potential base pairs w…
This paper investigates the reliability issues of junctionless cylindrical surrounding-gate (JL CSG) MOSFET by employing temperature variations, ranging from 200 K to 500 K, along with the influence of interface trap charges. Furthermore, the analog/RF performance evaluation and linearity distortion analysis due to the interface trap charges in terms of figure-of-merit metrics, i.e., drain cur…
In the vast areas of tropical and subtropical regions there is a category of widely distributed, highly weathered soils known as "Red Earths," also referred to as Ferralsols, Acrisols, Oxisols, Ultisols, Latosols, Lateritic Soils, Krasnozems, Ferrisols, and Ferrallitic Soils. Because of the abundant rainfall and high temperature, this type of soil is considered one of the most important agricul…
A strong body of research has documented the supportive environments of historically Black colleges and universities (HBCUs) and their impact on facilitating student success. Notwithstanding the consistency of these findings, recent reports and empirical research have highlighted the problems that HBCUs are experiencing with Black male enrollment, campus engagement,retention, success, and gradu…
A circuit to detect and record the occurrence of an electrostatic discharge (ESD) event on a powered or unpowered integrated-circuit (IC) chip is presented. The ESD detection circuit uses metal fuses for memory and has been experimentally verified in a commercial CMOS process to operate with 500 V or higher human body model (HBM) discharges. Experimental studies of metal fuses are also present…
This paper addresses the control of a variable-speed variable-pitch wind turbine in the whole wind speed range. To this end, a linear parameter varying anti-windup (AW) controller is proposed as part of a control structure focused on improving the transition between low- and high-wind speed operations. The control structure is similar to classical PI controls used in commercial wind turbines. …
Current drivers are fundamental circuits in bioimpedance measurements including electrical impedance tomography (EIT). In the case of EIT, the current driver is required to have a large output impedance to guarantee high current accuracy over a wide range of load impedance values. This paper presents an integrated current driver which meets these requirements and is capable of delivering large…
Multi-Electrode Arrays (MEA) have been widely used in neuroscience experiments. However, the reduction of their wireless transmission power consumption remains a major challenge. To resolve this challenge, an efficient on-chip signal compression method is essential. In this paper, we first introduce a signal-dependent Compressed Sensing (CS) approach that outperforms previous works in terms of…
Protein fold recognition (PFR) is considered as an important step towards the protein structure prediction problem. Despite all the efforts that have been made so far, finding an accurate and fast computational approach to solve the PFR still remains a challenging problem for bioinformatics and computational biology. In this study, we propose the concept of segmented-based feature extraction te…
The material properties, including Young’s modulus, Poisson’s ratio, and density, of the structural components in the stator end winding of a typical 600-MW turbogenerator were experimentally measured; the equivalent bending stiffness of the conductor bars are determined by the three-point bending test, and the lower orders of natural frequencies and mode shapes were measured by modal test…
Above-level testing is the practice of administering aptitude or academic achievement tests that are designed for typical students in higher grades or older age-groups to gifted or high-achieving students. Although widely accepted in gifted education, above-level testing has not been subject to careful psychometric scrutiny. In this study, I examine reliability data,growth trajectories, distrib…
Best practice in gifted and talented identification procedures involves making decisions on the basis of multiple measures. However,very little research has investigated the impact of different methods of combining multiple measures. This article examines the consequences of the conjunctive (“and”), disjunctive/complementary (“or”), and compensatory (“mean”) models for combining sco…
The contributions of microorganisms in the deterioration of African breadfruit during storage were investigated in this study. Matured fruits of the seedless variety of the African breadfruit (Artocarpus communis, Forst) were stored under different temperature conditions and morphological changes observed at 24-h intervals for 120 h. Spoilage of breadfruit was observed after 72 h with micr…
It is often difficult and costly to obtain individual-level student achievement data, yet, researchers are frequently reluctant to use school-level achievement data that are widely available from state websites. We argue that public-use aggregate school-level achievement data are, in fact, sufficient to address a wide range of evaluation questions and the use of this data is more appropriate th…
Abstract—The characteristics of oxynitride thermally grown in either NO or N2O ambient as a tunnel layer are investigated based on an Al/Al2O3/GdON/SiOxNy/Si structure. The physical thickness of each dielectric layer was measured and confirmed by multiwavelength ellipsometry and transmission electron microscopy. Experimental results reveal that better memory performances can be achieved for …
An improved quadrature nonlinear filter named delayed Genz–Keister sequences-based sparse-grid quadrature filter (DGKSGQF)is developed for the target tracking problems. The filter changes the non-nested Gaussian quadrature points of the quadrature filters to the nested Genz–Keister points for selecting the unvariate points, which are the basis point sets extended to form a multidimensional…
Polymerase chain reaction approaches for DNA sequencing from dried collection specimens of insects usually suffer from contamination, short fragment length, and limited phylogenetic power. As an alternative, we use shotgun metagenomic sequencing from mixed pools of DNA, from which mitochondrial sequences are filtered in silico. We extracted DNA from a single leg of 35 species of British butt…
Herbarium genomics is proving promising as next-generation sequencing approaches are well suited to deal with the usually fragmented nature of archival DNA. We show that routine assembly of partial plastome sequences from herbarium specimens is feasible, from total DNA extracts and with specimens up to 146 years old. We use genome skimming and an automated assembly pipeline, Iterative Organe…
1. Using scripting languages such as R to perform population genetic analyses can improve the reproducibility of research, but usingRcan be challenging for many researchers due to its steep learning curve. 2. POPGENREPORT is a new R package that simplifies performing population genetics analyses in R, through the use of a new report-generating function. The function POPGENREPORT allows users…
Decreasing the soaring energy cost is imperative in large data centers. Meanwhile, limited computational resources need to be fairly allocated among different organizations. Latency is another major concern for resource management. Nevertheless, energy cost, resource allocation fairness, and latency are important but often contradicting metrics on scheduling data center workloads. Moreover, wit…
This paper proposes a novel scheme of nonuniform discretizetion-based control vector parameterization (ndCVP, for short) for dynamic optimization problems (DOPs) of industrial processes. In our ndCVP scheme, the time span is partitioned into a multitude of uneven intervals, and incremental time parameters are encoded, along with the control parameters, into the individual to be optimized. Our c…
Abstract—Essential proteins are vital for an organism’s viability under a variety of conditions. There are many experimental and computational methods developed to identify essential proteins. Computational prediction of essential proteins based on the global protein-protein interaction (PPI) network is severely restricted because of the insufficiency of the PPI data, but fortunately the ge…
This paper proposes a novel concept for simultaneous cell shape and motion analysis in fast microchannel flows by implementing a multiobject feature extraction algorithm on a framestraddling high-speed vision platform. The system can synchronize two camera inputs with the same view with only a tiny time delay on the sub-microsecond timescale. Real-time video processing is performed in hardware…
Objectives: We conduct a revaluation of the Thornhill and Fincher research project on parasites using finelyresolved geographic data on parasite prevalence, individual-level sociocultural data, and multilevel Bayesian modeling. In contrast to the evolutionary psychological mechanisms linking parasites to human behavior and cultural characteristics proposed by Thornhill and Fincher, we offer a…
Arable weeds are one of the most endangered species groups in Europe. Modern agriculture and intensive land-use management are the main causes of their dramatic decline. However, besides the changes in land use, climate change may further challenge the adaptability of arable weeds. Therefore, we investigated the response pattern of arable weeds to different water potential and temperature regim…
Linear drain current degradation of a field-gate p-channel lateral extended drain MOS (FG-pLEDMOS) transistor for different ac hot-carrier stress conditions has been experimentally investigated in this paper. It is noted that hot-carrier degradation strongly depends on the time of the rising and falling edges of the gate signal pulse. Faster rising and falling edges of the gate pulse will indu…
This paper considers a customer order scheduling problem with product type splitting property in the unrelated parallel machine environment. Product type splitting property refers to the case where each customer order consists of several product types and the workload of all associated product types can be arbitrarily split among machines. The objective is to minimize the total completion time…
Human activity is among the critical information for a context-aware energy saving system since knowing what activities are undertaken is important for judging if energy is well spent. Most of the prior works on energy saving do not make the best of context-awareness especially in a multiuser environment to assist the energy saving system. In addition, they often ignore whether appliances are …
This paper deals with the design and the experimental validation in scale-lab test benches of an energy management algorithm based on feedback control techniques for a flywheel energy storage device. The aim of the flywheel is to smooth the net power injected to the grid by a wind turbine or by a wind power plant. In particular, the objective is to compensate the power disturbances produced by …
A generic state-vector transition (SVT) model is suggested, including a flexible synchronous composition involving both shared variables and events. This model is analyzed, focusing on properties that are important for supervisor synthesis. A synthesis procedure is then developed for the SVT model, where supervisor guards are generated that guarantee a controllable, nonblocking and maximally pe…
This paper presents the modeling approach for a quasi-2-D tubular anode-supported solid-oxide fuel cell (SOFC) for real-time control implementation. The proposed system considers a multidomain electrochemical, fluidic, and thermal dynamic modeling and it is experimentally validated against a SOFC real world implementation. Implicit iterative algebraic equations have been introduced and impleme…
A popular clustering algorithm for biological networks which was proposed by Hartuv and Shamir [5] identifies nonoverlapping highly connected components. We extend the approach taken by this algorithm by introducing the combinatorial optimization problem HIGHLY CONNECTED DELETION, which asks for removing as few edges as possible from a graph such that the resulting graph consists of highly conn…
The rapid development of gene ontology (GO) and huge amount of biomedical data annotated by GO terms necessitate computation of semantic similarity of GO terms and, in turn, measurement of functional similarity of genes based on their annotations. In this paper we propose a novel and efficient method to measure the semantic similarity of GO terms. The proposed method addresses the limitations i…
Mobile cloud computing (MCC) improves the computational capabilities of resource-constrained mobile devices. On the other hand, the mobile users demand a certain level of quality-of-service (QoS) provisioning while they use services from the cloud, even if the interfacing gateway changes due to the mobility of the users. In this paper, we identify, formulate, and address the problem of QoS-guar…
We address the problem of providing users with the ability to assess the integrity of join results produced by external computational providers and computed over externally stored databases. Our approach relies on different mutually supporting techniques offering strong integrity protection guarantees at a limited cost. The application of the approach is completely transparent to the computatio…
Ananalysis for net power characterization of a proton exchange membrane fuel cell (PEMFC) system is developed with Ballard 1.2-kW Nexa power module. A net power control (NPC)strategy based on the linear matrix inequality (LMI) approach is proposed to achieve optimal oxygen excess ratio (OER). The H∞ suboptimal control problem is solved by LMI and the simulations are carried out under differe…
Aluminum-doped zinc oxide (AZO) thin films have been used in low cost transparent conductive oxide (TCO) applications. For flexible electronics, the devices are subjected to cyclic bending during manufacturing and usage, which may lead to both electrical and optical degradation of TCO thin films. This paper was designed to investigate the effect of the strained growth and normal growth methods …
Synchronizing sequences have been proposed in the late 1960s to solve testing problems on systems modeled by finitestate machines. Such sequences lead a system, seen as a black box, from an unknown current state to a known final one. This paper presents a first investigation of the computation of synchronizing sequences for systems modeled by synchronized Petri nets. In the first part of the p…
Cepaea’ vindobonensis has been shown to be closely related to Caucasotachea in recent molecular studies. The phylogenetic relationships within this clade and especially the phylogenetic position of ‘Cepaea’ vindobonensis were, however, not well resolved. Our phylogenetic analyses on the basis of an increased number of molecular genetic loci from the mitochondrial and nuclear genomes unamb…
Establishing phylogenetic relationships of miniature fishes is challenging in taxa with developmental truncation. Within the Characiformes, developmental truncation appears to be relatively rare, with the Neotropical genus Priocharax being an example. Priocharax includes three miniature species among the smallest of the order and has been hypothesized to belong to the Heterocharacinae. The p…
In numerous cellular applications, cells are transported to specific positions or extracted from complex cell solutions. Therefore, an efficient cell transportation path planner for these applications is important for avoiding collisions with other cells or obstacles. In this paper, a path planning approach to transporting cells using a robot-aided optical manipulation system is presented. Opt…
A novel parameters estimation strategy of interior permanent magnet synchronous machine (IPMSM) for accurate torque control is proposed and investigated in this paper. The difference of q-axis inductance and d-axis inductance is estimated by a PI regulator using the deviation between actual output power and reference power. The estimated difference of dq inductance can be used to achieve maxim…
Abstract—Pathway deregulation has been identified as a key driver of carcinogenesis, with proteins in signaling pathways serving as primary targets for drug development. Deregulation can be driven by a number of molecular events, including gene mutation, epigenetic changes in gene promoters, verexpression, and gene amplifications or deletions. We demonstrate a novel approach that identifies p…
This paper presents a novel real-time powerdevice temperature estimation method that monitors the power MOSFET’s junction temperature shift arising from thermal aging effects and incorporates the updated electrothermal models of power modules into digital controllers. Currently, the real-time estimator is emerging as an important tool for active control of device junction temperature as well…
Hidden Markov Models (HMMs) are powerful tools for multiple sequence alignment (MSA), which is known to be an NPcomplete and important problem in bioinformatics. Learning HMMs is a difficult task, and many meta-heuristic methods, including particle swarm optimization (PSO), have been used for that. In this paper, a new variant of PSO, called the random drift particle swarm optimization (RDPSO) …
Correlation factors between different ESD pulse types for different back-end-of-line (BEOL) metal-line topologies have been studied to support system-level on-chip ESD design. The component level (HMM, HBM, and TLP on a wafer) and system-level (IEC gun contact on package) ESD stresses were correlated followed by extraction of correlation factors between the IEC/HMM and TLP, as well as the HBM a…
Variability in resistive switching memory (RRAM) devices is studied by applying an AC measurement setup capable of efficiently collecting read current data in low and high resistance states (LRS and HRS, respectively) in each consecutive pulse SET/RESET cycle. It is found that HRS and LRS read current values follow the lognormal and normal distributions, respectively. Endurance test demonstrat…
The subject of this paper is high-speed induction motor (IM) with drag-cup rotor with low inertia, designed for use in high-speed automotive applications such as kinetic energy recovery system (KERS). The aim of this paper is to present the optimization procedure of the air-gap length and the rotor thickness of this kind of motor in order to achieve the highest efficiency in the speed and torqu…