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1948 articles for “BR” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Adaptive Generalized Predictive Control of Anti Lock Braking System
Abstract: Anti lock braking system (ABS) is one of the most important topics in the field of car stability control system design. Among the various control strategies which are common in designing control systems, model predictive control (MPC) received great attention in industries. Independent generalized predictive control (IMGPC) is a new and effective predictive control strategy than can be easily implement on linear system. In this paper a novel adaptive control …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 3, 2015 · pp. 1–12 Read article
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Sensorless Direct Power Control of Brushless DC Motor Drive using Unknown Input Speed Observer
Abstract: This paper proposes the speed control of brushless DC (BLDC) motor via direct power control (DPC) method as a novel and effective strategy in electrical drives applications. The DPC has some advantages rather than other control methods of BLDC motor including simpler control algorithm and faster dynamic response. In proposed BLDC motor drive based on DPC strategy, space vector modulation (SVM) voltage source inverter is employed. To enhance the drive …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 3, 2015 · pp. 31–41 Read article
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Password Based Circuit Breaker using Arduino
Abstract: Nowadays, we see that there are many electrical accidents occurring to the linemen. These accidents occur when the line mans work on the repairs or damages on the electrical lines. The main reason for these accidents are due to lack of communication or miscommunication between the linemen and the substation during the repairs. A circuit breaker is basically an electric switch that operates automatically and is designed to protect the …
Published in Journal of Microelectronics and Solid State Devices · Vol. 9, Issue 3, 2022 · pp. 9–20 Read article
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An Overview on Nuclear Imaging Scans (Diagnostic Nuclear Medicine) in Breast Cancer Diagnosis
Abstract: Nuclear medicine has major role in clinical oncology specially in tumor imaging. Under this, specific organs are evaluating or to detect presence of tumor in entire body. Nuclear medicine used to evaluate the extent of tumor at initial stage. Molecular imaging helps doctor to diagnose the accuracy of cancer. This study represents the types of nuclear medicine scan and molecular imaging in breast cancer diagnosis.Keywords: breast cancer, nuclear imaging scan, …
Published in Journal of Nuclear Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 12–17 Read article
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Characterization studies on surface activation of phosphor bronze wire mesh via different chemical means for water distillation applications
Abstract: Surface activation of phosphor bronze structured packing modules is an important step in the manufacturing of high efficiency water distillation columns as it ensures excellent mass transfer behaviour and overall process intensification. These packed columns are used in the nuclear industry for heavy water production and purification. Activation is generally achieved through a treatment involving aqueous NaOH solution with bubbling of oxygen gas through it. This leads to the development …
Published in Journal of Nuclear Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 10–23 Read article
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Design and Simulation of Z-Source Inverter Fed Brushless DC Motor Drive Supplied With Fuel Cell for Automotive Applications
Abstract: This paper presents design and simulation of Z-source inverter fed brushless DC motor drive supplied with fuel cell for automotive applications. The brushless DC (BLDC) motor are used due to many advantages such as high efficiency, high torque, high reliability, high-power density, lower maintenance compared to other motors in electric transport applications. The BLDC motor drive is with voltage source inverter (VSI) or current source inverter (CSI) because of low …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 3, 2016 · pp. 60–71 Read article
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Harmonic Analysis of 6-Pulse Diode Bridge Rectifier Circuits
Abstract: This paper analyzes the steady-state harmonic performance of the six-diode, 3-phase rectifier bridge circuits. A procedure for determining the frequency spectra of the different voltages and currents within the bridge circuit, resulting from a 60-Hz 3-phase supply, is presented. The effect of the smoothing shunt-capacitor is also demonstrated. Based on a Mathematica code, the paper presents the results of a comprehensive list of case studies. The procedure can handle unsymmetrical …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 2, 2020 · pp. 1–10 Read article
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Steady State and Transient Analysis of 6-Pulse Rectifier Bridges Including Faulty Diodes
Abstract: This paper addresses the steady-state and transient responses of un-controlled faulty 6-pulse diode rectifier bridge circuits. The faulty bridges can include several simultaneous diode valves’ open- or short-circuits. An efficient representation of the diodes is adopted in order to describe their performance in both the forward and reverse directions. A set of simultaneous differential and algebraic equations simulating the faulty rectifier bridge is presented. Its numerical solution is obtained through …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 3, 2020 · pp. 19–31 Read article
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ANALYSIS AND DESIGN OF R.C.C. BRIDGE
Abstract: The thickness of pier is found taking width of deck slab variable, width of girder, depth of girder variable. The thickness of any structure gives flexural rigidity against bending. Span of girder also taken variable. More bending is taken when more loads on the structure & flexural rigidity mainly depends upon thickness of the structure. The design and analysis of R.C.C. bridges involve careful consideration of various factors, including the …
Published in Journal of Structural Engineering and Management · Vol. 10, Issue 1, 2023 · pp. 41–45 Read article
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Effect of Process Parameters on TIG Weld-Brazing of Aluminum Alloy to Galvanized Steel
Abstract: AbstractAbility to join aluminum alloy to steel enables weight reduction of automobile bodies. Gas tungsten arc welding (GTAW) process was employed to weld-braze A8011-H14 aluminum alloy to galvanized steel in lap configuration. The influence of heat input on bead formation and joint strength was investigated. The microstructural characterization was carried out using an optical microscope and scanning electron microscope. The chemical composition was analyzed using energy dispersive spectroscopy technique. The …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 3, 2018 · pp. 8–14 Read article
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Applicability of a Balcony Function for Bridge Deck Analysis under HA and HB Loading
Abstract: A bridge is one of the major infrastructures in the society used to connect roads separated by rivers or any other obstructions. This work is all about the applicability of a balcony function for bridge deck analysis under HA loading and HB loading. The HA loading comprises of uniformly distributed load and knife edge load while HB comprises of abnormal load which is as a result of abnormal vehicles. Different …
Published in Recent Trends in Civil Engineering & Technology · Vol. 9, Issue 1, 2019 · pp. 12–22 Read article
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Experimental Investigation on the Seismic Disaster Mitigation of Unreinforced Brick Masonry Buildings
Abstract: The Himalayan region is considered to have the potential to produce earthquakes of magnitude 8.0 or greater once every 100 years. Since the occurrence of an earthquake cannot be prevented; therefore, seismic disaster mitigation remains the only option for the civil society. Unreinforced masonry (URM) buildings, constructed with stone or brick, are very common in Northern Pakistan part of Himalayan belt. The seismic performance of stone masonry was found very …
Published in Recent Trends in Civil Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 55–67 Read article
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Brushless DC Motor Drive System with Reduced DC-Link Capacitor for Reduction in Torque Ripple
Abstract: Presence of large value of dc-link capacitance in a brushless DC motor (BLDCM) drive system leads to an increase in the weight and volume of the system. A combination of an IGBT switch along with a small value of DC-link capacitance is proposed in this paper. BLDCM will be supplied by DC-link capacitor and rectified mains supply alternately via DC-link IGBT chopping during the time when the output voltage of …
Published in Trends in Electrical Engineering · Vol. 8, Issue 3, 2018 · pp. 19–27 Read article
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The Analysis of Bridge Rectifier Circuits using Mathematica
Abstract: This paper addresses the steady-state and transient analysis of bridge rectifiers. It starts withsuggesting an efficient representation of the diodes. A single equation that describes thediode’s performance in both the forward and reverse directions is presented. It implicitlytakes the voltage polarity into account. Without any loss of generality, the suggested method isapplied to the classical uncontrolled four-valve full-wave rectifier bridge configureuration.The effect of the load resistance and the eventual presence …
Published in Trends in Electrical Engineering · Vol. 10, Issue 1, 2020 · pp. 30–42 Read article
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An Analysis of Optical Transmission System using Fiber Bragg Grating (FBG) with Power Optimization and Dispersion Compensation
Abstract: AbstractThe Fiber Bragg Grating (FBG) is a low cost filter for wavelength selection and also has low insertion loss. We know that Dispersion Compensation (DC) and Power Optimization (PO) are one of the most important parameters of the optical communication system. In this proposed communication model, dispersion compensation has been achieved and also we optimized almost same power at the receiver end, also we have calculated output power for different …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 2, 2015 · pp. 1–5 Read article
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CTCHFA: Discovery of Circulating Tumor Cells in Metastatic Breast Cancer and Nonmetastatic Cancer by using Novel Hybrid Hierarchical Clustering Algorithm in Firefly Distance
Abstract: AbstractBlood testing for circulating tumor cells (CTCs) has emerged as one of the highest fields in cancer research. CTC detection are an early gene marker of reaction to systemic therapy, whereas their molecular characterization has a strong field that can be translated to individualized targeted treatments and spare breast cancer (BC) patients from unnecessary and ineffective therapies. Genomic research regarding CTCs monitoring for BC is limited due to the lack …
Published in Journal of Computer Technology & Applications · Vol. 6, Issue 1, 2015 · pp. 9–18 Read article
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BRAIN TUMOR DETECTION USING MACHINE LEARNING AND GAUSSIAN MIXTURE MODEL
Abstract: This paper provides an machine learning approach for the detection of brain tumors. The modified GMM approach is used for the detection of tumors. The ARFF dataset of tumor image is created. The training dataset is created and the efficiency of the approach is tested against the test dataset. The detection rate is 98.5.Keywords: GMM, Machine learning, technology, brain tumor, ARFF datasetCite this Article: Parimala Geetha K, C. Anna Palagan, …
Published in Journal of Computer Technology & Applications · Vol. 11, Issue 2, 2020 · pp. 1–4 Read article
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A comparative study to assess the Ankle Brachial Index by palpatory and Doppler method
Abstract: Background of the study: Peripheral arterial disease (PAD) is strongly associated with cardiovascular and cerebrovascular morbidity and mortality. Relatively few non-invasive diagnostic tests are available that can reveal the evidence of atherosclerosis before the development of symptoms. One such simple, cost effective diagnostic test is Ankle Brachial Index. Since, there is a need to validate palpatory method of Ankle Brachial Index (ABI) measurement, the study was conceived.Aim of the study: …
Published in Journal of Nursing Science & Practice · Vol. 8, Issue 3, 2018 · pp. 10–14 Read article
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Sodium Imbalance among Post-operative Traumatic Brain Injury Patients: A Descriptive Study
Abstract: Background: Traumatic brain injury (TBI) is the damage to the brain resulting from external mechanical force, such as rapid acceleration or deceleration or penetration by a projectile object. Electrolyte imbalance, especially sodium is very common due to the abnormal biochemical changes which occur after TBI. Nurses should have the knowledge about the changes in electrolyte levels in order to understand the principles of treatment and to prevent common complications in …
Published in Journal of Nursing Science & Practice · Vol. 10, Issue 1, 2020 · pp. 26–35 Read article
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Application of Bone Regeneration (BR) in Clinical Orthodontics: The Current Status
Abstract: There is irrefutable inter-relationship between orthodontics and periodontal conditions that calls for interdisciplinary approach in comprehensive management of patients with periodontal diseases who seek for orthodontic treatment. Alveolar ridge augmentation is among the periodontal treatment procedures undertaken to facilitate achievement of orthodontic treatment goals. English articles published between January 1990 and September 2015 regarding the practical applications of bone regeneration (BR) in clinical orthodontics and the possible associated complications were …
Published in Research and Reviews: A Journal of Dentistry · Vol. 7, Issue 1, 2016 · pp. 21–31 Read article