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Journal articles on the topic 'DISB converter'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Yadagiri, Aerpula, Srinivasa Rao Talagadadeevi, Seetamraju Venkata Bala Subrahmanyeswara Rao, et al. "Solar and battery input super boost DC–DC converter for solar powered electric vehicle." International Journal of Applied Power Engineering (IJAPE) 14, no. 2 (2025): 479. https://doi.org/10.11591/ijape.v14.i2.pp479-487.

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The electric vehicle (EV) is increasingly emerging as an attractive solution to reduce reliance on fossil fuels in India. In commercial EVs, solar photovoltaic (PV) technology is employed both to charge the battery and power the vehicle. However, the conventional bidirectional DC-DC converter layout results in underutilization of solar PV power when the battery's state of charge (SOC) reaches maximum capacity. This work offers a unique dual input super boost (DISB) DC-DC converter designed specifically for solar-powered electric vehicles (EVs) to address the aforementioned challenge. The recen

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2

Krishna, P. Mohan. "DESIGN OF MULTI-PORT DC-DC CONVERTER." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 06 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem35616.

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Integrating Energy sources to have a sustainable energy supply is an important aspect to handle the significant loads. Multiport power converters are used to connect various types of energy sources and loads. The key advantages of multi-input converters lie in their capability to interface with multiple input sources such as solar panels, wind turbines, batteries, and grid power, thereby optimizing energy utilization and enhancing system reliability. In the paper, a new configuration of single switch Dual– Input Single-Output (DISO) DC-DC converter is proposed. This paper presents an overview

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3

Piao, Changhao, Chao Jiang, Hongtao Qiao, Chongdu Cho, and Sheng Lu. "Study on the Control Algorithm of Two-Stage DC-DC Converter for Electric Vehicles." Advances in Mechanical Engineering 6 (January 1, 2014): 203793. http://dx.doi.org/10.1155/2014/203793.

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The fast response, high efficiency, and good reliability are very important characteristics to electric vehicles (EVs) dc/dc converters. Two-stage dc-dc converter is a kind of dc-dc topologies that can offer those characteristics to EVs. Presently, nonlinear control is an active area of research in the field of the control algorithm of dc-dc converters. However, very few papers research on two-stage converter for EVs. In this paper, a fixed switching frequency sliding mode (FSFSM) controller and double-integral sliding mode (DISM) controller for two-stage dc-dc converter are proposed. And a co

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4

DOLGOLEVA, G. V., N. I. DOVGAYA, V. I. NECHPAI, et al. "Disk converter target." Laser and Particle Beams 21, no. 1 (2003): 47–51. http://dx.doi.org/10.1017/s0263034602211106.

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It is cylindrical converters that are generally considered for the purpose of changing the ion beam energy into X rays, with their irradiation to be provided through the cylinder end. This article studies a target having a disk-shaped converter to be irradiated sideways. It may be practical when one fails to overcome difficulties with the focusing of ion beams into a spot of a diameter smaller than a few millimeters.

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5

Brown, D. R., and D. C. Randall. "Microprocessor-based analysis of sympathetic nerve traffic." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 257, no. 4 (1989): R958—R963. http://dx.doi.org/10.1152/ajpregu.1989.257.4.r958.

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Two systems based on microcomputers with analog-to-digital (A/D) converters were developed to measure sympathetic nerve activity. The first utilized a relatively inexpensive computer and A/D converter and an analog technique to count nerve traffic "spikes" above a reference voltage. The second system, which required a more expensive microcomputer and A/D converter, used digital methods exclusively to count spikes and integrate nerve activity. These systems produced accurate and reliable indexes of nerve traffic. The digital system could also be used to store the nerve signal to magnetic disk,

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6

Firak, Mihajlo. "Comparative analysis of the solar dish electricity production." Thermal Science 9, no. 3 (2005): 69–83. http://dx.doi.org/10.2298/tsci0503069f.

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Round parabolic solar mirror is of ten called the solar or sun dish. Even when the dish is faceted into several smaller dishes (facets) which are all focusing the sunlight in the single point (focus), it is called a solar dish. When solar radiation to electricity converter is mounted into the dish focus and the sun-tracking system is provided, it could be named solar dish/converter system. Depending on the sort of the converter, two promising systems which are approaching the commercialization could be mentioned. These are solar dish/Sterling system and solar dish/photo voltaic system. In this

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7

Chen, Bo, Qi Si, Pan Jiang, and Xiaojuan Zhu. "Small-Signal Stability Analysis and Improvement in Multi-Converter Grid-Tied System Based on Gerschgorin Disc Theorem." Applied Sciences 14, no. 4 (2024): 1436. http://dx.doi.org/10.3390/app14041436.

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The integration of a large number of voltage source converters (VSCs) into the power grid decreases the small-signal stability of the power system. When several VSCs with different control parameters are simultaneously connected to the power grid to form a multi-converter grid-tied system, the potential destabilizing factors increase. Thus, parameter optimization for stability-weakest parameters that have the greatest impact on the system stability becomes more significant in addressing small-signal stability issues. This paper first proposes a stability evaluation function based on the Gersch

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8

Bhukya, Ch Nayak, B. Amarendra Reddy, Allam Venkatesh, and T. R. Jyothsna. "Robust Controller for Limit Cycle Elimination of Two Input DC-DC Converter with Constant Power Load in Dc µGrid Applications." WSEAS TRANSACTIONS ON SYSTEMS 23 (July 29, 2024): 196–205. http://dx.doi.org/10.37394/23202.2024.23.22.

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Direct Current (DC) µgrid is gaining more attention than Alternating Current (AC) µgrid, because of their simplicity in structure, which raises the utilization of dc power sources. However, for proper operation of dc µgrids, dc-dc power converters are required. MIMO converter systems are more commonly used in µgrid applications because of their vast benefits over SISO converter systems. The power converter operates under the previous state of tight control regulation which acts as constant power loads (CPL). Most loads in dc µgrid are CPLs, hence, one of the prime challenges in dc µgrid with C

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9

Xue, Shujuan, Yu Fu, Xiaoya Sun, and Suiqing Chen. "Changes in the Chemical Components of Processed Rehmanniae Radix Distillate during Different Steaming Times." Evidence-Based Complementary and Alternative Medicine 2022 (February 17, 2022): 1–15. http://dx.doi.org/10.1155/2022/3382333.

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Distillate was obtained in different processing cycles of processed Rehmanniae Radix (PRR). In this study, we investigated the chemical compositions of distillates 1 (Dis1) to 9 (Dis9) via GC-MS and LC-MS. Differences between Dis1–Dis9 were noticeable. A total of 13 and 21 compounds were detected via GC-MS and LC-MS, respectively, including organic acids, furans, alcohols, iridoid glycosides, phenylpropanoid glycosides, and saccharides. The relative contents of compound 2,5-hydroxymethylfurfural and furans all gradually increased with steaming time. Other compounds, however, exhibited a negati

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10

Singla, Tanvi, Sapna Sharma, and Bhuvaneshvar Kumar. "THE CONVECTIVE FLOW OF MAXWELL FLUID DRIVEN BY TWO ROTATING AND SPINNING DISKS." Latin American Applied Research - An international journal 53, no. 4 (2023): 349–55. http://dx.doi.org/10.52292/j.laar.2023.1103.

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The present work addresses the axisymmetric flow of Maxwell fluid between two stretchable and rotating disks with porous regime. The influence of velocity slip and convective heat transfer are considered to govern the flow. The energy equation is modeled using Cattaneo-Christov heat flux model. The resulting mass, momentum and energy PDE’s are converted to ODE’s by using the Von Karman similarity transformations. Successive linearization method is implemented for numerical solution. The tangential velocity of the fluid increases with the rotating speed of the disks. The enhancement in the conv

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11

Ryabinin, Anatoly N., and Daniil V. Kaufman. "Determination of rotational derivatives of a cylinder with a coaxially mounted disk in an air stream." Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy 8, no. 1 (2021): 158–66. http://dx.doi.org/10.21638/spbu01.2021.114.

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The damped rotational oscillations of a cylinder whose length-to-diameter ratio is nine are considered. In the head part of the cylinder, a disc is mounted coaxially on the leg. The effect of the disk on damping oscillations is described by two parameters: the sum of the rotational derivatives mωz + mθz and the rotational derivative mθz. To determine these parameters in the aerodynamic tunnel of low speeds, an experiment is performed with the flow past a cylinder fixed on an elastic spring suspension. In the experiment, the diameter of the coaxial disk and the distance between the disk and the

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12

Zhang, Yu, Jiahong Liu, Meilan Zhou, Chen Li, and Yanling Lv. "Double Impedance-Substitution Control of DFIG Based Wind Energy Conversion System." Energies 15, no. 15 (2022): 5739. http://dx.doi.org/10.3390/en15155739.

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In a doubly-fed induction generator (DFIG)-based wind energy conversion system (WECS), when the grid voltage sags severely, the rotor side converter (RSC) suffers from overvoltage and overcurrent owing to the large electromotive force (EMF). To ensure that the converter operates within a safe range when grid faults occur, this paper proposes a double impedance-substitution control (DISC) strategy to improve the system’s low-voltage ride through (LVRT) capability. When the grid voltage sag is detected, the grid side converter (GSC) and RSC are connected in parallel to the rotor circuit by chang

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13

Mopari, Shrikant S., Dagadu Shankar More, Anjali S. Bhalchandra, Pannala Krishna Murthy, and K. M. Jadhav. "Analysis of converter transformer pressboard insulation degradation under surge using mathematical morphology." Indonesian Journal of Electrical Engineering and Computer Science 34, no. 3 (2024): 1434. http://dx.doi.org/10.11591/ijeecs.v34.i3.pp1434-1443.

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Nowadays, with the significant expansion of industrial growth, the bulk power requirement can only be satisfied through high-voltage direct current HVDC transmission. The converter transformer is the utmost vital part of the HVDC transmission. Pressboard insulation is most commonly used as inter-disc insulation in converter transformers. During working conditions due to elevated temperature and different operational stresses, insulation material gets deteriorated. It may cause a risk to the life of the converter transformer. The effects of elevated temperatures as well as frequency on pressboa

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Mopari, Shrikant S., Dagadu Shankar More, Anjali S. Bhalchandra, Pannala Krishna Murthy, and K. M. Jadhav. "Analysis of converter transformer pressboard insulation degradation under surge using mathematical morphology." Indonesian Journal of Electrical Engineering and Computer Science 34, no. 3 (2024): 1434–43. https://doi.org/10.11591/ijeecs.v34.i3.pp1434-1443.

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Nowadays, with the significant expansion of industrial growth, the bulk power requirement can only be satisfied through high-voltage direct current HVDC transmission. The converter transformer is the utmost vital part of the HVDC transmission. Pressboard insulation is most commonly used as inter-disc insulation in converter transformers. During working conditions due to elevated temperature and different operational stresses, insulation material gets deteriorated. It may cause a risk to the life of the converter transformer. The effects of elevated temperatures as well as frequency on pressboa

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15

Wang, Yihang, Qiang Fu, Yufeng Zhang, et al. "A Digital Closed-Loop Sense MEMS Disk Resonator Gyroscope Circuit Design Based on Integrated Analog Front-end." Sensors 20, no. 3 (2020): 687. http://dx.doi.org/10.3390/s20030687.

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A digital closed-loop system design of a microelectromechanical systems (MEMS) disk resonator gyroscope (DRG) is proposed in this paper. Vibration models with non-ideal factors are provided based on the structure characteristics and operation mode of the sensing element. The DRG operates in force balance mode with four control loops. A closed self-excited loop realizes stable vibration amplitude on the basis of peak detection technology and phase control loop. Force-to-rebalance technology is employed for the closed sense loop. A high-frequency carrier loaded on an anchor weakens the effect of

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16

Duduk, Natasa, Aleksa Obradovic, and Mirko Ivanovic. "Effects of essential oils from thyme, cinnamon and clove on mycelial growth of Colletotrichum acutatum." Pesticidi i fitomedicina 25, no. 2 (2010): 151–56. http://dx.doi.org/10.2298/pif1002151d.

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Effects of the volatile phase of thyme, cinnamon and clove essential oils on Colletotrichum acutatum were investigated. Mycelial disc was placed in the center of the Petri dish (V=66 ml) containing PDA. Different volumes of either non- or ethanol-diluted essential oils were placed on the inner side of the dish cover to obtain final concentrations of 153, 107, 76, 46, 15, 14, 12, 11, 7.6, 3.82, 1.53, 0.153 and 0.0153 ?l/L of air. The dishes were sealed with Parafilm and incubated in up-side-down position. After 7 days of incubation, mycelial growth was recorded by measuring the colony diameter.

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17

Prof., V. A. Ghodeswar*1 Prof.P.S.Dorale2 Prof. S. S.Bhuskute3 Prof. C. E. Morkhade4 &. Mr. R. N. Awasthi5. "SOLAR AC POWER GENERATION WITHOUT INVERTER." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES [NC-Rase 18] (November 16, 2018): 43–51. https://doi.org/10.5281/zenodo.1489823.

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Renewable energy resources are the major demand of the day. As fossil fuels are limited so we just can’t rely on them especially in this new age where the demand of energy has increased drastically. Solar energy can be one of the effective renewable energy sources. This is a new way of looking at a solar panel that we can generate alternating current directly from photovoltaic cells. We can use an array of photovoltaic cell pairs that are connected in anti-parallel form to create an AC wave form. Solar panels today produce DC power which has to be firstly converted into AC to be mostly u

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18

Wang, Qing Dong, and Fei Wu. "An Improved Digital Servo Burst Signal Sampling Model for Disk Drives." Applied Mechanics and Materials 239-240 (December 2012): 857–60. http://dx.doi.org/10.4028/www.scientific.net/amm.239-240.857.

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In order to calculate the servo position error signal (PES) in the servo system, it is necessary to make high precision sampling and FFT calculation for the burst signal. Most designer s adopt 8bits ADC converter in the read write channel servo system of hard drive controller chip 88i6310 to cost down, and both servo system and signal system share the sampling circuit. Because of the quantitative noise disturbing during the sampling process, it is not enough to use 6bits ADC converter for the serve burst signal, and significant error exist for t he burst signal with the FFT calculation. This p

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19

Zhang, Wanchao, Hengxu Liu, Xuewei Zhang, Liang Zhang, and Muhammad Aqeel Ashraf. "Optimal Configurations of Wave Energy Converter Arrays with a Floating Body." Polish Maritime Research 23, s1 (2016): 71–77. http://dx.doi.org/10.1515/pomr-2016-0048.

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Abstract An array of floating point-absorbing wave energy converters (WECs) is usually employed for extracting efficiently ocean wave energy. For deep water environment, it is more feasible and convenient to connect the absorbers array with a floating body, such as a semi-submersible bottom-moored disk, whose function is to act as the virtual seabed. In the present work, an array of identical floating symmetrically distributed cylinders in a coaxial moored disk as a wave energy device is proposed The power take-off (PTO) system in the wave energy device is assumed to be composed of a linear/no

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20

Wiehe, Irwin A. "Self‐Incompatible Crude Oils and Converted Petroleum Resids." Journal of Dispersion Science and Technology 25, no. 3 (2004): 333–39. http://dx.doi.org/10.1081/dis-120037686.

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21

Calvin, Calvin Hans Adam, and Erlanda Augupta Pane. "Analisis Pemanfaatan Energi Panas Menjadi Energi Listrik Pada Proses Pengereman Rem Cakram Pada Kendaraan Roda Empat." Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin 10, no. 3 (2020): 14–19. http://dx.doi.org/10.35814/teknobiz.v10i3.1758.

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This research was conducted to determine the electrical energy generated from friction heat in the braking process of disc brakes on four-wheeled vehicles with a calculation analysis of heat flow rates at speeds of 10 km/h and 15 km/h at 519 rpm, 748 rpm, and 1.234 rpm. The testing time is 20 minutes to get a measure of the heat generated from braking friction. The heat produced is converted into electrical energy using a thermoelectric device. Based on the calculation of the heat flow rate caused by friction on braking, a heat flow rate of 141.61 Watt is obtained and the voltage result is 317

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22

Baida, Evgen, and Olena Korol. "Comparative analysis of electromechanical processes in induction-dynamic converter with mobile inductor and two disks." Bulletin of NTU "KhPI". Series: Problems of Electrical Machines and Apparatus Perfection. The Theory and Practice, no. 1 (5) (May 28, 2021): 3–7. http://dx.doi.org/10.20998/2079-3944.2021.1.01.

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General description of the research topic. The article presents a comprehensive study of traditional induction-dynamic mechanisms (with one disk and a fixed coil) and multi-core induction-dynamic mechanisms (linear pulse induction converters) with a movable coil and two disks. Actuality of the topic. Such induction-dynamic mechanisms are widely used in various fields, in particular, in electrical apparatus industry, where speed is one of the most important characteristics. The purpose of the article is a comparative analysis and refinement of the characteristics of the traditional induction-dy

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23

Sardar, K., G. Das, P. Mahta, S. Mallick, and R. Hubbard. "Ozone disc nucleolysis as an alternative to open disc surgery for slip disc." Journal of the Bangladesh Society of Anaesthesiologists 25, no. 1 (2014): 32–35. http://dx.doi.org/10.3329/jbsa.v25i1.60959.

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Back pain associated with herniated disks has become an important and increasing general health problem, both in Bangladesh and across the world. After all methods of conservative treatment have been exhausted, nucleolysis may be a minimally invasive alternative to surgery. In nucleolysis, chondrolytic substances, or other substances which reduce the pressure within the disk by other means, are injected into the nucleus pulposus under CT or C-arm guidance. Among various substances, which have been employed for nucleolysis, an ozone-oxygen mixture appears to be very promising. The water-binding

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Sardar, Kawsar, Gautam Das, Palak Mehta, Shantanu Mallick, and Richard Hubbard. "Ozone disc nucleolysis as an alternative to open disc surgery for slip disc." Bangladesh Medical Journal 43, no. 1 (2014): 51–55. http://dx.doi.org/10.3329/bmj.v43i1.21380.

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Back pain associated with herniated disks has become an important and increasingly general health problem, both in Bangladesh and across the world. After all methods of conservative treatment have been exhausted, nucleolysis may be a minimally invasive alternative to surgery. In nucleolysis, chondrolytic substances, or other substances which reduce the pressure within the disk by other means, are injected into the nucleus pulposus under CT scan or fluroscopic guidance. Among various substances, which have been employed for nucleolysis, an ozone-oxygen mixture appears to be very promising. The

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25

Natarajan, Senthil Kumar, and Ilhyoung Cho. "New Strategy on Power Absorption of a Concentric Two-Body Wave Energy Converter." Energies 16, no. 9 (2023): 3791. http://dx.doi.org/10.3390/en16093791.

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The wave energy converter (WEC) system, which extracts electricity through the relative heave motion of two concentric cylinders, comprises an inner cylinder and a torus-type outer cylinder sliding along the inner cylinder. To maximize the relative heave motion between two cylinders, the natural frequencies of the two cylinders must be precisely tuned to resonate and be situated on each side of the peak frequency of the wave spectrum. However, the demerit of this strategy is that it demands a deep draft of each cylinder for tuning, and a large-scale PTO damping device is necessary for mechanic

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26

Thiagarajan, S., Naga Chandrika K K, M. Raju, R. Karthikeyan, Madhusoodanan Nair Manivilasam, and S. Obad. "Ray Tracing and Simulation of Parabolic Dish Collectorusing Soltrace for Vehicle Applications." E3S Web of Conferences 552 (2024): 01026. http://dx.doi.org/10.1051/e3sconf/202455201026.

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Concentrated solar power has the potential to produce large-scale renewable energy sources. Concentrated solar energy is produced using mirrors, reflective materials, or lenses on conical surfaces such as a parabolic dishes, parabolic troughs, towers, Fresnel reflector systems, and dish sterling collectors. The concentrated light source was converted into heat energy, which drove the heat engine into an electrical power generator. To gain more heat energy, the solar rays must be trapped and concentrated on their conical focus points. To increase the net overall efficiency of the system, it is

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Zhang, Da Ke, Chong Wang, Yi Chao Yang, and Han He. "The Layout Optimization for Axial Stiffness of a Flexplate Disk with Weight and Inertial Moment Constraints." Advanced Materials Research 655-657 (January 2013): 630–35. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.630.

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A flexplate is a mechanical component that couples the crankshaft to the torque converter of a car with automatic transmission. A higher axial stiffness is one of significant requirements for it in order to ensure its performance. In this paper an optimum design of the flexplate disk is described that maximizes the axial stiffness of the flexplate disk with weight and inertial moment constraints. The strategy for optimizing the layout of the disk is to perform topology optimization first then position optimization. The relation is presented which shows the variation of axial stiffness with res

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28

Zhang, Bo, Kai Chen, Ruifang Wang, Chengjun Liu, and Maofa Jiang. "Physical Modelling of Splashing Triggered by the Gas Jet of an Oxygen Lance in a Converter." Metals 9, no. 4 (2019): 409. http://dx.doi.org/10.3390/met9040409.

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To characterize the splashing behavior under the impact of the top-blown gas jet in converter, in this paper a physical model is developed with the prototype of a 200 t converter in China. We captured the impact cavity morphology triggered by the top-blown gas jet of the oxygen lance, and found that the impact cavity shape gradually changed following the sequence of “disc” → “bowl” → “cone” with the increase in the gas flow, leading to the variation of the splashing modes. Moreover, the splashing inside and outside the converter was characterized quantitatively under the different top-blown ga

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29

Selvaraj, Chikkanna R., and Suguna Selvaraj. "Matrix transformations and Walsh's equiconvergence theorem." International Journal of Mathematics and Mathematical Sciences 2005, no. 16 (2005): 2647–53. http://dx.doi.org/10.1155/ijmms.2005.2647.

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In 1977, Jacob definesGα, for any0≤α<∞, as the set of all complex sequencesxsuch that|xk|1/k≤α. In this paper, we applyGu−Gvmatrix transformation on the sequences of operators given in the famous Walsh's equiconvergence theorem, where we have that the difference of two sequences of operators converges to zero in a disk. We show that theGu−Gvmatrix transformation of the difference converges to zero in an arbitrarily large disk. Also, we give examples of such matrices.

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Shi, Hongyu, Jianxing Li, Anxue Zhang, Jiafu Wang, and Zhuo Xu. "Broadband cross polarization converter using plasmon hybridizations in a ring/disk cavity." Optics Express 22, no. 17 (2014): 20973. http://dx.doi.org/10.1364/oe.22.020973.

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Cerrone, Marina, Grecia M. Marrón-Liñares, Chantal J. M. van Opbergen, et al. "Role of plakophilin-2 expression on exercise-related progression of arrhythmogenic right ventricular cardiomyopathy: a translational study." European Heart Journal 43, no. 12 (2021): 1251–64. http://dx.doi.org/10.1093/eurheartj/ehab772.

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Abstract Aims Exercise increases arrhythmia risk and cardiomyopathy progression in arrhythmogenic right ventricular cardiomyopathy (ARVC) patients, but the mechanisms remain unknown. We investigated transcriptomic changes caused by endurance training in mice deficient in plakophilin-2 (PKP2cKO), a desmosomal protein important for intercalated disc formation, commonly mutated in ARVC and controls. Methods and results Exercise alone caused transcriptional downregulation of genes coding intercalated disk proteins. The changes converged with those in sedentary and in exercised PKP2cKO mice. PKP2 l

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Castagnetti, Davide, and Federico Dallari. "Design and experimental assessment of an electromagnetic energy harvester based on slotted disc springs." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 231, no. 1-2 (2016): 89–99. http://dx.doi.org/10.1177/1464420716663236.

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Efficient conversion of ambient energy, being intrinsically variable and in the low frequency range is a fundamental issue for the development of self-powered electronic systems. Simple and reliable solutions are based on piezoelectric or electromagnetic transducers. This work presents an innovative electromagnetic vibration-based energy converter, relying on two counteracting slotted disc springs, which originate a low stiffness mechanical system under a given preload. The electromagnetic converter, involving cylindrical permanent magnets, features coils with a peculiar ‘8’ loop configuration

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Duffell, Paul C., Alexander J. Dittmann, Daniel J. D’Orazio, et al. "The Santa Barbara Binary−disk Code Comparison." Astrophysical Journal 970, no. 2 (2024): 156. http://dx.doi.org/10.3847/1538-4357/ad5a7e.

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Abstract We have performed numerical calculations of a binary interacting with a gas disk, using 11 different numerical methods and a standard binary−disk setup. The goal of this study is to determine whether all codes agree on a numerically converged solution and to determine the necessary resolution for convergence and the number of binary orbits that must be computed to reach an agreed-upon relaxed state of the binary−disk system. We find that all codes can agree on a converged solution (depending on the diagnostic being measured). The zone spacing required for most codes to reach a converg

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Хвостиков, В. П., В. С. Калиновский, С. В. Сорокина, О. А. Хвостикова та В. М. Андреев. "Тритиевые источники электропитания на основе гетероструктур AlGaAs/GaAs". Письма в журнал технической физики 45, № 23 (2019): 30. http://dx.doi.org/10.21883/pjtf.2019.23.48716.17941n.

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We report on the development of a radioisotope power source based on the AlхGaAs1-х/GaAs semiconductor converter of β-radiation and tritium as a radiation source. The transducer efficiencies are compared for three types of β-radiation sources: (i) the tritiated titanium disk, (ii) the tritium lamp of green luminescent glow, and (iii) gaseous tritium. When using a converter based on the Al0.35Ga0.65As/GaAs heterostructure in a tritium capsule, the efficiency η = 5.9% is found with the maximum output specific electric power of 0.56 µW/cm2. Due to the prolonged operational life, such autonomous a

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Arcos, C., M. Curé, I. Araya, A. Rubio, and A. Carciofi. "Hydrodynamic disk solutions for Be stars using HDUST." Proceedings of the International Astronomical Union 17, S370 (2021): 168–73. http://dx.doi.org/10.1017/s1743921322004550.

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Abstract. In this work, we implemented a hydrodynamical solution for fast rotating stars, which leaves high values of mass-loss rates and low terminal velocities of the wind. This 1D density distribution adopts a viscosity mimicking parameter which simulates a quasi-Keplerian motion. Then, it is converted to a volumetric density considering vertical hydrostatic equilibrium using a power-law scale height, as usual in viscous decretion disk models. We calculate the theoretical hydrogen emission lines and the spectral energy distribution utilizing the radiative transfer code HDUST. Our disk-wind

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Ismagilov, Flur, Viacheslav Vavilov, and Ildus Sayakhov. "Overview of Disk Designs of Electromechanical Energy Converters for Various Applications." Electrotechnical Systems and Complexes, no. 1(38) (2018): 68–79. http://dx.doi.org/10.18503/2311-8318-2018-1(38)-68-79.

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Viñolo, C., D. Toma, A. Mànuel, and J. del Rio. "An ocean kinetic energy converter for low-power applications using piezoelectric disk elements." European Physical Journal Special Topics 222, no. 7 (2013): 1685–98. http://dx.doi.org/10.1140/epjst/e2013-01955-3.

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Sharma, Dinkar, Ramandeep Kaur, and Honey Sharma. "Investigation of thermo-elastic characteristics in functionally graded rotating disk using finite element method." Nonlinear Engineering 10, no. 1 (2021): 312–22. http://dx.doi.org/10.1515/nleng-2021-0025.

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Abstract In this research paper, displacement, stresses and strains are presented for rotating FGM disk with variable thickness by using finite element method (FEM). Thermo-elastic material properties and thickness of FGM disk continuously vary as exponential and power law function in radial direction along radius of disk. The value of Poisson's ratio is taken as constant. The problem of thermo-elasticity is converted into second order governing differential equation in terms of radial coordinate. This conversion is based upon equilibrium equation for disk and stress-strain relationship. The i

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Jiang, Xue, Ji Hua Bao, Jin Liang Li, and Ni Ni Hao. "Analysis on Controlling Oil Pressure Regulating Performance of Hydro-Viscous Variable Speed Clutch." Advanced Materials Research 468-471 (February 2012): 3–7. http://dx.doi.org/10.4028/www.scientific.net/amr.468-471.3.

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Hydro-viscous variable speed clutch has been widely used in starting and speed regulation of large load. In order to change the friction disc gap and the oil film thickness, converter was adopted in this paper to drive the pump to adjust the controlling oil pressure. The performance of pressure regulating of the controlling oil was analyzed and the characteristic curve of frequency-oil pressure could be acquired. The research showed that the controlling oil pressure can be changed by adjusting the frequency of converter. Besides, the slope coefficient and starting frequency of performance curv

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Salat, Junaidi, Cut Lilis Setiawati, and Zikrul Khalid. "Ku-Band Low Noise Block Converter (LNB) Sync Application Design Using Android Based Solid Dish." Budapest International Research and Critics Institute (BIRCI-Journal): Humanities and Social Sciences 4, no. 1 (2021): 1135–50. http://dx.doi.org/10.33258/birci.v4i1.1725.

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Mobile phone users, especially the Android version of the smartphone, are increasingly spoiling their users. It is undeniable that users do not know their age, even many children have an Android version of the smartphone to play with. Meanwhile, in the satellite tracking world, the satellite tracking is still using TV when tracking the satellite so that it feels difficult. ApplicationLow Noise Block Converter is a video view application from a receiver to an Android smartphone that was built to make it easier for tracking satellites to track one of the satellites that you want to lock. This ap

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Journal, Baghdad Science. "Thermoluminescence dosimetry of mixed neutron – gamma fields." Baghdad Science Journal 9, no. 3 (2018): 446–49. http://dx.doi.org/10.21123/bsj.9.3.446-449.

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The method of measurement dosimetry in neutron – gamma field by using CaSo4 : Dy (PTFE) disc which has a diameter of 1.3mm and thickness of 0.2mm and using hydrogenated material as a converters of neutron to recoil protons (n-p) reaction, the discs were irradiated by neutron source (241Am-Be) with flux of 4.5?105 n/cm2s for different time to obtain different dose. The TL signals, which we have been obtained by using the converters, are increases to 71%. So we can resolve the neutron and gamma in mixed field.

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Dinčić, Milan R., Goran S. Miljković, Milica S. Stojanović, and Dragan B. Denić. "Improved implementation of serial pseudorandom/natural code converters used in absolute position encoders." Journal of Electrical Engineering 75, no. 5 (2024): 418–24. http://dx.doi.org/10.2478/jee-2024-0050.

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Abstract Pseudorandom encoders represent a significant type of absolute position encoders that can be implemented using only a single code track on a code disk and a single reading head, making them especially suitable for high-resolution position measurements. Since pseudorandom code words used for encoding positions are not compatible with other electronics, pseudorandom encoders include a converter that translates the pseudorandom code into the natural binary code. This paper proposes an improved implementation of the serial Fibonacci pseudorandom/natural code converter used in pseudorandom

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Жураева, Камила Комиловна. "INFLUENCE OF EXTRANEOUS MAGNETIC FIELDS ON THE MAIN CHARACTERISTICS OF MAGNETOELASTIC CONVERTERS OF MECHANICAL QUANTITIES." Транспорт: Наука, техника, управление, no. 5 (July 2, 2024): 22–25. http://dx.doi.org/10.36535/0236-1914-2023-05-3.

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Решение вопроса изучения сил взаимодействия подвижного состава с рельсом связана необходимостью исследования запасов прочности в работе системы «колесо рельс». Известно, что по деформациям некоторых участков диска железнодорожного колеса можно судить о величине действующих сил между колесом и рельсом. Погрешности, вызванные одновременным действием на колесо поперечных (горизонтальных) сил от точки контакта колеса с рельсом, отрицательно влияют на точность измерения с применением магнитоупругих преобразователей. При этом происходит изменение магнитных свойств магнитоупругих преобразователей, об

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Manabe, Hiroaki, Kosaku Higashino, and Kosuke Sugiura. "A Rare Case of Progressive Palsy of the Lower Leg during Percutaneous Endoscopic Lumbar Discectomy via a Transforaminal Approach." Case Reports in Orthopedics 2018 (2018): 1–4. http://dx.doi.org/10.1155/2018/7803529.

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Percutaneous endoscopic discectomy (PED) for lumbar disc herniation is gaining popularity with the transforaminal (TF) approach preferred because it allows surgery under local anesthesia and preserves the spinal muscles. Although this procedure has some characteristic complications, it is rare for PED to be converted to conventional open surgery due to worsening of symptoms intraoperatively. Here, we report PED via the TF approach that required conversion to open surgery. A 20-year-old man with a large disc herniation at L3/4 developed severe progressive leg pain and muscle weakness of the lef

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Gang, Li, Du Cheng-bin, and Feng Yong. "A rotary magneto-rheological torque converter for tension regulation." Advances in Mechanical Engineering 10, no. 11 (2018): 168781401881230. http://dx.doi.org/10.1177/1687814018812304.

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In this article, a drum type of transmission device has been developed, which is a double-layer cylinder structure. The working clearance between the inner and the external layers of the device has been filled with intelligent material named magneto-rheological fluid. To use it for tension regulation, theoretical model of its output torque has been constructed based on Bingham’s theory, and the coupling relationship between mechanical structure, electromagnetic circuit, and magneto-rheological fluid is analyzed and simulated using finite element analysis. Higher flux is directed onto the magne

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H. J., Dadapeer, Anupama Y. G., and Sushma D. M. "Discoid lupus erythematosus leading to squamous cell carcinoma: a case report." International Journal of Research in Dermatology 3, no. 3 (2017): 456. http://dx.doi.org/10.18203/issn.2455-4529.intjresdermatol20173930.

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<p><span>Discoid lupus erythematosus (DLE) is the most common chronic form of cutaneous lupus. It is characterised by persistent scaly, disk-like plaques on scalp, face and ears that may cause pigmentary changes, scarring and hair loss. </span><span class="apple-converted-space"><span>Squamous cell carcinoma can</span></span><span> rarely arise within a longstanding DLE plaque<span class="apple-converted-space"> </span>in the skin. It presents as an enlarging warty<span class="apple-converted-space"> </span>growth or ulcer

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Boryseiko, Oleksandr, Oleksandr Laptiev, Oleh Perehuda, and Anton Ryzhov. "Optimizing Energy Conversion in a Piezo Disk Using a Controlled Supply of Electrical Load." Axioms 12, no. 12 (2023): 1074. http://dx.doi.org/10.3390/axioms12121074.

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Piezoceramic products are actively used in modern technical devices and appliances. Disk piezoelectric devices are widely used in elements of information systems: in wireless communication, elements of satellite communication, global positioning systems. Among such devices, microwave piezo motors on traveling waves of various types are distinguished, including a motor built on an electromechanical disk converter, which performs non-axisymmetric oscillations under the action of a harmonic electric load. In this study, we perform separation of the electrode coating of the plate with thin diametr

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Bolyukh, V. F., and M. A. Rassokha. "Influence of external electromagnetic screen on efficiency of impact electromechanical converter of disk configuration." Russian Electrical Engineering 81, no. 10 (2010): 542–49. http://dx.doi.org/10.3103/s106837121010007x.

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Zhang, Fan, Yu Wang, Mingquan Zhang, Jiankun Wang, and Dongdong Li. "Wear evaluation of hard disk drive head based on a converter-like neural network." Tribology International 195 (July 2024): 109664. http://dx.doi.org/10.1016/j.triboint.2024.109664.

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Alotaibi, Saud, Xiandong Ma, and Ahmed Darwish. "Dual Isolated Multilevel Modular Inverter with Novel Switching and Voltage Stress Suppression." Energies 15, no. 14 (2022): 5025. http://dx.doi.org/10.3390/en15145025.

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This paper presents an improved structure for the submodules (SMs) in the three-phase modular inverter (TPMI) based on a dual isolated SEPIC/CUK (DISC) converter for large-scale photovoltaic (LSPV) plants. The DISC SMs can offer several advantages, including increased efficiency, reduced passive elements, and galvanic isolation via compact-size high-frequency transformers. The SMs can also provide a wide range for the output voltage and draw continuous currents with low ripples from the input source. However, the high dv/dt value across the switches during hard switching can cause current osci

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