Patient navigation (PN) may reduce cancer health disparities. Few studies have investigated the effects of PN on patient-reported satisfaction with care or assessed patients’satisfaction with naviGators. The objectives of this study are to test the effects of PN on patient satisfaction with cancer care,assess patients’ satisfaction with navigators, and examine the impact of barriers to care…
Skin cancer is the most common cancer in the USA and is increasing in children and young adults. Adolescents are an important target population for sun-safety interventions with ultraviolet radiation as the strongest risk factor for developing skin cancer. Schools are an ideal setting to intervene with adolescents. A novel Arizona skin cancer prevention inclass education-activity program, Proje…
The barbershop is a promising setting where African-American men might receive information and education about prostate cancer. In this study, we assessed the feasibility of engaging rural barbershops as venues for barbers to deliver a prostate cancer education intervention to increase informed decision-making for prostate cancer screening among customers. Twelve barbershops were recruited fro…
African Americans (AA) are more likely to develop and die from cancer than any other racial or ethnic group. The aims of this research were to (1) evaluate current education materials being implemented in a community-based prostate cancer education program for AA communities, (2) refine materials based on findings from aim 1, (3) share updated materials with participants from aim 1 for additio…
Health issues are a concern in Alabama’s Black Belt region, which runs across the southwestern part of the state and includes some of the poorest counties in the USA. As part of a Center for Disease Control (CDC)-sponsored study, we collected data covering several cancer (e.g., prostate, breast, skin) and other health-related indicators (e.g., stress,insurance, stroke, heart isease) from 647…
To better prepare medical students to care for patients in today’s changing health-care environment as they transition to continuing their education as residents, many US medical schools have been reviewing and modifying their curricula and are considering integration of newer adult learning techniques, including team-based learning, flipped classrooms, and other active learning approaches (A…
Although the availability of direct-to-consumer (DTC) genetic testing has increased in recent years, the general public’s awareness of this testing is not well understood. This study examined levels of public awareness of DTC genetic testing, sources of information about testing, and psy-chosocial factors associated with awareness of testing in the USA. Data were obtained from the nationally …
In 1996, the Toronto Sunnybrook Regional Cancer Centre developed the Rapid Response Radiotherapy Program (RRRP). The objective of this clinic is to consult, simulate, plan, and treat patients with palliative radiotherapy on the same day. In 2004, the RRRP initiated a program to provide clinical and research experience to undergraduate students interested in health sciences. The purpose of this…
Mobile phone-based interventions can play a significant hole in decreasing health disparities by enhancing population and individual health. The purpose of this study was to explore health ministry leaders (HMLs) and congregation members’ communication technology usage and to assess the acceptability of mobile technology for delivery of cancer information. Six focus groups were conducted in …
This paper present the transient performance of an isolated six-phase self-excited induction generator (SPSEIG) driven by a fixed-pitch wind turbine. The approach is based on a wind-turbine model, SPSEIG model and detailed transient behaviour of an SPSEIG for stand-alone power generation, when subjected to sudden switching of balanced/unbalanced R, RL and RLC load for both threephase winding se…
The region of Adrar in Algeria is the windiest in the country; it is for this reason the lectricity and gas company “Sonelgaz” has placed a wind farm of about 10MW.Since it is a Saharan region, the wind is sandy, rich in silica that can damage the teeth of wind gearbox. The present work proposes a method which can make an early diagnosis of the broken tooth and its location in the gearbox, …
1. Despite time-lags and nonlinearity in ecological processes, the majority of our knowledge about ecosystem responses to long-term changes in climate originates from relatively short-term experiments. 2. We utilized the longest ongoing snow removal experiment in the world and an additional set of new plots at the same location in northern Sweden to simultaneously measure the effects of lo…
In this paper the short-circuit current of overhead transmission lines is analyzed at a short circuit in an HVDC transmission network. The analysis focuses solely on the current contribution of the transmission line at a line-to-earth or a line-to-line short circuit. In this context it is shown which impedance is effective at the corresponding fault case. Special attention is given to the frequ…
1. Humans have a long history of changing species’ ranges and habitat distributions, making studies of the ecological processes that may facilitate these changes of key importance, particularly in cases where a primary foundation species is replaced by another, less desirable species. 2. We investigated the impact of nutrients and herbivory on Turbinaria ornata, a secondary foundational …
The strategy of control for high-voltage direct current system on voltage-source converter HSC-HVDC is based on an important element which is PI controller. Because of its simple structure and strong robustness in a wide range of serving conditions, it has been used in the control system in the last few years. Therefore, it is important for the VSC-HVDC system permanent regime to choose proper …
For the last 7 years, the Republic of Croatiahas been witnessing a sudden increase of distributed en Argyresources connecting to its power system. However, a significant problem is how to find the financial equilibrium whichwill satisfy the independent power producers on one side and the Distribution system operator on the other. In this paper, the authors discuss the capital budgeting analysis…
Single-layer air-core solenoid coils are importantcomponents in many fields of electrical engineering, such as, high- frequency applications, air-core transformers, inductive sensor sand wirelesspower transfer.The calculationo fits self-resonant frequencies is of primary interest in many different situations. In these components, the validity of lumpe delement model Discritical,since even for r…
This paper presents the application of an online optimization based fast model predictive control scheme to grid-connected wind farms for reactive power and voltage control. A linear prediction model of the network was used to predict the behavior of the system for a certain prediction horizon, while a modified quadratic programming problem was used for the optimization process. The proposed co…
In this paper, a new hybrid particle swarm optimization (HPSO) based on particle swarm optimization (PSO), evolutionary programming (EP), tabu search (TS), and simulated annealing (SA) is proposed. The aim of merging is to determine the optimal allocation of multi-type flexible AC transmission system (FACTS) controllers for simultaneously maximizing the power transfer capability of power transa…
An equivalent model of a faulty turbogenerator under a single-phase short-circuit in the stator winding is presented. The model is based on modified voltage–current equations for the positive-sequence component of the shortcircuit current that takes into account the mutual spatial displacement of particular part of the faulty stator winding, the rotor magnetic asymmetry and the impact of the…
A novel method based on a combination of the extended Kalman filter with particle swarm optimization (PSO) to estimate the speed and rotor flux of an induction motor drive is presented. The proposed method will be performed in two steps. As a first step, the covariance matrices of state noise and measurement noise will be optimized in an off-line manner by the PSO algorithm. As a second step, t…
This paper deals with the thermal characteristics of traditional mineral oil and alternative dielectric fluids. Candidates of alternative dielectric fluids used in the transformer were silicon oil, HMWH, synthetic ester and natural ester. In this study, the transformer which uses synthetic ester and natural ester was focused. 3 ph, 66 kV, 16.5 MVA power transformer and 3 ph, 22 kV, 2.3 MVA dist…
To improve electrical properties of power converters suited for power energy systems, the paper deals with investigation of novel multi-tank resonant topologies. First, standard LLC converter is analyzed, as well as mathematical model during operation intervals is developed. After it, modifications of LLC converter for better dynamic behavior during start-up and short-circuit operation are desc…
This work analyzes the behavior of surfacemounted permanent magnet synchronous motors (SPMSMs) operating under stator faults. The studied faults are resistive unbalance and winding inter-turn short circuits, which may lead to unbalanced conditions of the motor. Both faults may reduce motor efficiency and performance and produce premature ageing. Thiswork develops an analytical model of the mot…
The generated torque ripples from the BLDC motor is the main issue that affects the drive performance of the BLDC drive system. In this paper, a new switching technique to minimize the torque ripples due to current commutation is proposed. The presented scheme has been implemented using a commercial and low-cost mid-range PIC microcontroller to generate the modified pulse width modulation (PWM)…
This paper presents the study and implementation of a different field-oriented control strategy using a generalized predictive control (GPC) technique applied to the mechanic position loop aiming to obtain a system that acts in the fractional horsepower motor driver running at near zero frequency. The position and speed loops were identified to verify the system behavior and, from the model fou…
This paper presents an effective scheme to minimize the torque ripples for direct torque control (DTC) of induction motor drives. The switching strategy compares the torque error from a PI torque controller with two triangular waveforms, and then produces a constant switching frequency, which is determined by the frequency of the triangular waveforms and is almost independent of the speed. The …
The paper presents a non-deterministic approach to the study of stray current effects generated by direct current railway or tramway lines on buried pipelines which are located in the nearby area. The potential shift induced (via conductive coupling) on the latter ones by the stray current dispersed in the soil is evaluated by means of a suitable equivalent circuit combined with a Monte Carlo p…
The paper deals with analysis of the situation in a six-phase induction machine. For this purpose, the method of space vectors is used. It is shown that higher space harmonic waves of current layer, flux density and flux in the stator yoke have to be considered especially when the stator is fed by unbalanced voltages. The equations of a six-phase induction machine are derived and relation betwe…
This paper proposes a method for the separation of broken rotor bar failure and low-frequency load fluctuation in line-fed three-phase induction motor. In practice, the presence of load fluctuation at 2s fs has the same effect on a stator current of induction motor as a broken rotor bar fault. In such cases, the detection of broken rotor bar failure becomes difficult. To discern rotor fault and…
Rainfall Variability is one of the key factors that affect agricultural production in any region. Hence the proper understanding of rainfall pattern and its trends may help water resources development and to take decisions for the developmental activities of that place. The present study is an attempt to evaluate the spatial and temporal rainfall variability of Anand district of Gujarat Stat…
A new realization of root mean square (RMS) detector comprising two controlled current conveyors, metaloxide-semiconductor transistors and a single grounded capacitor is presented in this paper, without any external resistors and components matching requirements added. The proposed circuit can be used for measuring the RMS value of periodic, band-limited signals. Inherently, the circuit is well…
Direct matrix converter (DMC) is an AC–AC converter which supplies power flowbetweenAC power supply and the load for changing voltage and current requirements. Its relatively small power circuits and simple control structures provide considerable advantages to itself with respect to the classical AC–AC converter topologies. In this article, the new control method based on swarm optimization…
This paper presents a solution technique for optimal power flow (OPF) with valve-point effect and prohibited operating zones of power systems using backtracking search algorithm (BSA). BSA is a new population-based evolutionary algorithm. The most important property of the algorithm is not over precision to initial of value, unlike many other heuristic algorithms. The proposed algorithm having …
Detecting harmonic source at power grid become one of the most important task for the utility. Therefore, in this paper we propose a new and efficient method for quantifying and detecting distortion sources caused on customer’s side. It is based on measuring distortion power by using modified power meter. The distortion power is a component of apparent power that exists only at nonlinear load…
Unbalanced supply voltage and non-linear loads have become significant consideration in the designing transformers. this condition results in devastating effects such as high loss, early damage of insulation and premature failure of the transformers. For proper operation of transformers, capacity of transformer should be reduced. This paper presents a novel concept for mixed derating of distr…
This study presents an artificial neural network based intelligent monitoring algorithm to detect of a power system harmonics. The proposed approach was tested on the current and voltage data of an induction furnace power system, which was collected by using a LabVIEW based measurement system under different load conditions. The collected data was analyzed with MATLAB program using the short-ti…
A grid based variable density numerical model, SEAWAT-2000 is used to conceptually simulate groundwater flow and transport for a coastal stretch in Karnataka state, India. SEAWAT is a coupled version of MODFLOW and MT3DMS designed to simulate three-dimensional, variable density groundwater flow and multi-species transport. The variable density flow process uses the familiar and well established…
Artificial Neural Network and other soft computing techniques have been widely used for modeling groundwater level changes. Emphasis has been laid by different researches in improving the quality of input data which significantly affects the final model. In this study Genetic Programming (GP) is used to model spatial variation of groundwater in Arjuna Nadhi sub basin region. For a limited list …
The suitability of groundwater quality of 22 wells located in the rural areas surrounding Ingaldhal defunct copper mine in Chithradurga district of Karnataka state was assessed for drinking purpose based on the various water quality parameters. Standard methods for physicochemical analysis of groundwater samples were employed. The results of analysis carried out showed the following concentrati…
Kundapallam watershed is located in Nilgiris District of south India. This ungauged watershed has an areal extension of 14.37 km². There are increasing numbers of rainfall induced landslide occurrences in this area. The causes of rainfall induced landslides require a thorough understanding of runoff characteristics of the watershed. In this respect, the runoff of the study area is estimated wi…
A structured approach based on indicators evaluation technique has been developed as a technical tool to help demarcating the potential groundwater recharge areas. The tool is a generic and can be applied universally. Based on a combination of field experience and expert opinion six measurable indicator parameters viz.,Slope of the ground, Aquifer specific yield, Land and soil cover, Depth to g…
Water is essential for all living beings. It is a major concern to provide water to all. It is a challenge to supply water to all major cities in Dakshina Kannada district, Karnataka, India. Nethravathi River is one of the major sources of water in the region which yields about 1240TMC per year. Nethravathi River has its origins in Western Ghats of Karnataka flowing to a length of 126 Km and jo…
Replication of values causes poor utilization of on-chip cache memory resources. This paper addresses the question: How much cache resources can be theoretically and practically saved if value replication is eliminated? We introduce the concept of valueaware caches and show that a sixteen times smaller value-aware cache can yield the same miss rate as a conventional cache. We then make a case f…
Large-scale workloads often show parallelism of different levels. which offers acceleration potential for clusters and parallel processors. Although processors such as GPGPUs and FPGAs show good performance of speedup, there is still vacancy for a low power, high efficiency and dynamically reconfigurable one, and coarse-grained reconfigurable architecture(CGRA) seems to be one possible choice. …
To protect multicores from soft-error perturbations, resiliency schemes have been developed with high coverage but high power/performance overheads (2). We observe that not all soft-errors affect program correctness, some soft-errors only affect program accuracy, i.e., the program completes with certain acceptable deviations from soft-error free outcome. Thus, it is practical to improve proce…
Abstract—Hardware specialization has emerged as a promising paradigm for future microprocessors. Unfortunately, it is natural to develop and evaluate such architectures within end-to-end vertical silos spanning application, language/ compiler, hardware design and evaluation tools, leaving little opportunity for cross-architecture analysis and innovation. This paper develops a novel program re…
Abstract—Energy consumption by software applications is a critical issue that determines the future of multicore software development. In this article, we propose a hardware-software Cooperative approach that uses hardware support to efficiently gather the energy-related hardware counters during program execution, and utilizes parameter estimation models in software to compute the energy cons…