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Journal articles on the topic 'RC-generators'

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1

Muthuramalingam, T., B. Mohan, and D. Saravanakumar. "Evaluation of Surface Finish of Electrical Discharge Machined AISI 304 Stainless Steel with Various Pulse Generators." Applied Mechanics and Materials 772 (July 2015): 279–83. http://dx.doi.org/10.4028/www.scientific.net/amm.772.279.

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The performance improvement in Electrical Discharge Machining process is a tedious one in materials and manufacturing processes especially in making of complex die and moulds. Due to non linear nature of this process, conventional pulse generators such as RC pulse generator and transistor pulse train generator cannot produce uniform energy distribution. Since RC pulse generator can produce smaller crater volume, it can make better surface finish than transistor pulse train generator crater size is influenced by the discharge current produced during the machining process. Due to its stochastic
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2

Karapenev, Boyan, and Stanimir Sadinov. "Performance analysis of a three-stage quadrature RC generator with operational amplifiers." International Journal of Electrical and Computer Engineering (IJECE) 14, no. 1 (2024): 175. http://dx.doi.org/10.11591/ijece.v14i1.pp175-183.

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This paper presents the special features of RC harmonic oscillation generators and their widespread use and in particular the quadrature generators which provide two output signals dephased at 90º or 270º. Quadrature generators can be classified as those with an aperiodic frequency-determining circuit or with a phase inverter group which are used to generate oscillations of one or more fixed frequencies. Studies of a three-stage quadrature RC generator circuit with operational amplifiers have been performed. The results obtained from the simulation and experimental studies performed are presen
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3

Marković, Nenad, Slobodan Bjelić, and Strahinja Marković. "The analytical method for determining the parameters of impulse overvoltages from atmospheric discharges." Bakar 50, no. 1 (2025): 89–104. https://doi.org/10.5937/bakar2501089m.

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Impulse generators with RC circuits form the foundation for producing surge voltages used in high-voltage equipment testing. In high-voltage engineering literature, the expressions for impulse voltage waveforms include known parameters of lightning or switching overvoltages, which are used to determine the amplitudes and time constants of impulse overvoltages in RC discharge circuits. However, both standards and scholarly publications often lack clarification for various ambiguities-such as the commonly cited factor of 1.67 for rise time-without providing rigorous physical or mathematical just
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4

Pаrаmоnоv, А. М., and А. V. Коvаl. "Development of Power Supplies for Electrospark Alloying with Manual Vibrating Electrode." Elektronnaya Obrabotka Materialov 56 (1) (January 15, 2020): 67–75. https://doi.org/10.5281/zenodo.3640580.

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The paper presents the main schemes based on which installations for electrospark alloying have been and are being created. Schemes of generators of spark impulses from the first relaxation RC-generators to the separated semiconductor are considered. Ways of improvement of schemes and of characteristics of the received coverings are offered. It is shown that high-frequency processing considerably improves qualitative characteristics of the deposited layers.
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5

Peng, Zi Long, Yi Nan Li, and Z. L. Wang. "Study on the Characteristics of Discharge Waveform in Micro EDM Deposition Process." Materials Science Forum 697-698 (September 2011): 187–91. http://dx.doi.org/10.4028/www.scientific.net/msf.697-698.187.

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Based on the analysis of micro electrical discharge machining (micro EDM) principle, the process conditions of micro EDM deposition has been obtained. Micro EDM deposition is a new EDM method, in which the process conditions includes selecting air as working medium, short pulse duration, long pulse interval, low discharge current and setting the tool electrode as anode. In micro EDM deposition experiments, two types pulse generators of transistor type and RC type are applied respectively. The characteristics of discharge waveforms using each type pulse generator are researched. Results show th
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6

Zhang, Min, Qin He Zhang, De Zheng Kong, and Xue Bai. "Ringing Effect and Reversed Current Analysis of RC-Pulse Generator in Electrical Discharge Machining." Materials Science Forum 770 (October 2013): 183–88. http://dx.doi.org/10.4028/www.scientific.net/msf.770.183.

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RC-pulse generator has a simple structure and it is easy to be made and repaired. Especially RC-pulse generator can provide high frequency and low energy discharges. Therefore RC-pulse generators are used in micro-EDM field. But its high tool wear ratio and low efficiency restrict its applications. Ringing effect is considered to have effect on the defects. This research was done to study the ringing effect in electrical discharge. Taguchi method was used and discharge curves of voltage and current were recorded and analyzed. Ringing effect plays a key role in discharges and reversed current.
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7

Roungrid, Sittisak, Chadarat Khwunnak, and Samran Lertkonsarn. "The design of a fully balanced current–tunable active RC integrator." EUREKA: Physics and Engineering, no. 3 (May 25, 2023): 80–89. http://dx.doi.org/10.21303/2461-4262.2023.002765.

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The design of the active RC integrator presented in this research utilizes a fully balanced technique and current-tunable frequencies to create the active RC integrator and reliable circuit. The circuit is made up of six npn bipolar junction transistors (BJT), six resistors (R), and a capacitor (C), with the fully balanced technique used to make the circuit structure uncomplicated and symmetrical with signal differencing. This approach results in a low number of internal devices in the circuit, making it an attractive option for integrated circuit (IC) development. One of the key features of t
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8

Nakagawa, S., and T. Saito. "Design and control of RC VCCS 3-D hysteresis chaos generators." IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications 45, no. 2 (1998): 182–86. http://dx.doi.org/10.1109/81.661688.

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9

Lee, JunKyu, Gregory D. Peterson, Robert J. Harrison, and Robert J. Hinde. "Implementation of Hardware-Accelerated Scalable Parallel Random Number Generators." VLSI Design 2010 (March 1, 2010): 1–11. http://dx.doi.org/10.1155/2010/930821.

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The Scalable Parallel Random Number Generators (SPRNGs) library is widely used in computational science applications such as Monte Carlo simulations since SPRNG supports fast, parallel, and scalable random number generation with good statistical properties. In order to accelerate SPRNG, we develop a Hardware-Accelerated version of SPRNG (HASPRNG) on the Xilinx XC2VP50 Field Programmable Gate Arrays (FPGAs) in the Cray XD1 that produces identical results. HASPRNG includes the reconfigurable logic for FPGAs along with a programming interface which performs integer random number generation. To de
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10

Misawa, Naoko, Shunsuke Koshino, Ruhui Liu, Chihiro Matsui, and Ken Takeuchi. "Dual integration design of approximate random weight generator and computation-in-memory for event-based neuromorphic computing." Japanese Journal of Applied Physics 63, no. 3 (2024): 03SP83. http://dx.doi.org/10.35848/1347-4065/ad2415.

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Abstract This paper comprehensively analyses dual integration of approximate random weight generator (ARWG) and computation-in-memory for event-based neuromorphic computing. ARWG can generate approximate random weights and perform multiply-accumulate (MAC) operation for reservoir computing (RC) and random weight spiking neural network (SNN). Because of using device variation to generate random weights, ARWG does not require any random number generators (RNGs). Because RC and random weight SNN allow approximate randomness, ARWG only needs to generate approximate random weights, which does not r
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11

Lin, Yuan, Chun Hua Wang, Jin Wen Yin, and Yan Hu. "A Simple Grid Multiscroll Chaotic Electronic Oscillator Employing CFOAs." International Journal of Bifurcation and Chaos 24, no. 02 (2014): 1450017. http://dx.doi.org/10.1142/s0218127414500175.

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In this paper, a novel grid multiscroll chaotic electronic oscillator with simple circuit design is proposed. The proposed grid multiscroll chaotic circuit only needs two current feedback operational amplifiers (CFOAs) as current integrators, passive RC, and nonlinear elements in the form of current stair nonlinear function series (SNFS) realized with CFOAs. Compared with existing grid multiscroll circuits such as Chua's circuit and Jerk circuit, etc., its component count is reduced. Mathematical models of the proposed generators are derived. Theoretical analysis and numerical simulations of t
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12

Zhao, Tong, Wenli Xie, Yanqiang Guo, Junwei Xu, Yuanyuan Guo, and Longsheng Wang. "High-Speed Reservoir Computing Based on Circular-Side Hexagonal Resonator Microlaser with Optical Feedback." Electronics 11, no. 10 (2022): 1578. http://dx.doi.org/10.3390/electronics11101578.

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In the current environment of the explosive growth in the amount of information, the demand for efficient information-processing methods has become increasingly urgent. We propose and numerically investigate a delay-based high-speed reservoir computing (RC) using a circular-side hexagonal resonator (CSHR) microlaser with optical feedback and injection. In this RC system, a smaller time interval can be obtained between virtual nodes, and a higher information processing rate (Rinf) can also be achieved, due to the ultra-short photon lifetime and wide bandwidth of the CSHR microlaser. The perform
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13

Cauchy, Michael C., Ali A. Khan, Yulia Artemenko, and David A. Dunn. "A Low-Cost Electroporator for Genetically Modifying Social Amoeba Dictyostelium Discoideum." Journal of Open Hardware 7, no. 1 (2023): 5. http://dx.doi.org/10.5334/joh.52.

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The social amoeba Dictyostelium discoideum is a commonly used eukaryotic model organism for the study of cell division, chemotaxis, differentiation, phagocytosis, and other cellular processes. Electroporation is an effective and efficient method for delivering plasmid DNA into D. discoideum, an invaluable tool for studying intracellular processes. The technology is readily available but often prohibitively expensive. Although several custom-built electroporation devices have been developed, none deliver the specific 8.5kV/cm exponentially decaying waveform required for D. discoideum transforma
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14

José, Marcano, Infante Saba, and Sánchez Luis. "Levinson parallel algorithm: A Finite-Dimensional Approach with an Infinite-Dimensional Perspective." Statistics, Optimization & Information Computing 13, no. 2 (2024): 594–610. https://doi.org/10.19139/soic-2310-5070-1877.

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A normalization of the generators of the defect spaces of an isometry is obtained, a version of the Levinson algorithm for Toeplitz block matrices in the infinite-dimensional case is built. Additionally, a factorization of the inverse of the Toeplitz matrix by blocks is obtained. Under this methodology, the obtained recurrences in the infinite dimensional case coincide with the case of the finite dimension, and an autoregressive linear filter to estimate stationary second-order stochastic processes is obtained, usually, the area extension in statistics, applications to spectral estimation, ana
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15

Popović, I., and M. Zlatanović. "Equivalent Circuits of Unipolar Pulsed Plasma System for Electrical and Optical Signal Analysis." Materials Science Forum 555 (September 2007): 89–94. http://dx.doi.org/10.4028/www.scientific.net/msf.555.89.

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Matching of pulse plasma generators to various gas discharges for surface treatment of materials depends on plasma processing equipment. In order to investigate the influence of pulse plasma generator and gas discharge parameters on electrical signal waveforms during the process of unipolar pulse plasma nitriding, equivalent electrical circuit was introduced. The influence of parasitic inductance of interconnection lines and vacuum chamber physical properties was also included in the given equivalent circuit. Gas discharge characteristics at different process parameters were investigated. It w
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16

Malikov, Zafar M., Farrukh Kh Nazarov, and Murodil E. Madaliev. "Comparison of advanced turbulence models for the Taylor-Couette flow." Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika, no. 78 (2022): 125–42. http://dx.doi.org/10.17223/19988621/78/10.

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Swirling flows of fluids and gases are an integral part of many complex flows which are widely encountered in nature and technology. The working process of numerous technical devices (cyclones, vortex combustion chambers, air separators, gas and steam turbines, electric machines and generators, etc.) is generally determined by the laws of hydrodynamics and heat exchange of rotating flows. The problem of deriving general laws for a turbulent flow in the field of centrifugal forces provokes considerable scientific interest since it belongs to an underdeveloped field of hydromechanics. Therefore,
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17

Kelavić, Robert, and Marko Turalija. "Sludge Removal at Krško NPP Steam Generators during Outage." Journal of Energy - Energija 68, no. 2-3 (2022): 51–60. http://dx.doi.org/10.37798/2019682-3191.

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Sludge removal is performed on two steam generators (SG’s) at the Krško Nuclear Power Plant (NEK) during every outage. SG’s are a meeting point of four major plant systems: Reactor Coolant System (RC) on the primary side and three systems on the secondary side – Auxiliary Feedwater System (AF), Main Feedwater System (FW) and Main Steam System (MS). Sludge removal activities take place on the secondary side of the SG’s on the top of the tube sheet. It consists of classical Sludge Lancing (SL) which is done by spraying water at different angles (30°, 90°, 150°) between the tube gaps in the steam
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18

Raman, Swati, Sanchita Patel, Surbhi Yadav, and Dr Vanchna Singh. "Emotion and Gesture detection." International Journal for Research in Applied Science and Engineering Technology 10, no. 5 (2022): 3731–34. http://dx.doi.org/10.22214/ijraset.2022.43205.

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Abstract: Machine learning algorithms have removed the constraints of computer vision. Researchers and developers have developed new approaches for detecting emotions making it possible to predict the behaviour and consecutive actions of human beings. As machine learning methods make use of GPUs' massive computation capability, these models' image processing skills are well suited to real-world issues. Computer vision has moved from a niche field to a variety of other fields, including behavioural sciences. These algorithms or models are utilised in a wide range of real-world applications, inc
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19

Kelavić, Robert, and Marko Turalija. "Mechanical and 1st Chemical Cleaning of NEK Steam Generators." Journal of Energy - Energija 71, no. 2 (2023): 10–17. http://dx.doi.org/10.37798/2022712413.

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Sludge removal is performed on two steam generators (SG’s) at the Krško Nuclear Power Plant (NEK) during every outage. SG’s are a meeting point of five major plant systems: Reactor Coolant System (RC) on the primary side and four systems on the secondary side – Auxiliary Feedwater System (AF), Blowdown System (BD), Main Feedwater System (FW), and Main Steam System (MS). Sludge removal activities take place on the secondary side of the SG’s on the top of the tube sheet. It always consists of classical Sludge Lancing (SL) which is done by spraying water at different angles (30°, 90°, 150°) betwe
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20

Vykhodtsev, Pavel V., Vladislav V. Rostov, and Alexey S. Stepchenko. "Simulation of the Discharge of a Supercapacitor Storage Device during Current Stabilization in the Windings of a Multi-Section Magnetic System." Engineering technologies and systems 34, no. 4 (2024): 648–67. https://doi.org/10.15507/2658-4123.034.202404.648-667.

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Introduction. The magnetic systems of high power microwave generators, such as relati­vistic reverse wave lamps and klystrons, are powered with a direct current of up to 1 000 A from supercapacitor storage for several seconds. When designing power supplies for these magnetic systems, there is always necessary to determine the energy characteristics of the storage device. The analytical calculation of the characteristics is difficult, because of dynamic changes in some parameters of the magnetic system and storage device during current flow.Aim of the Study. The aim of the article is to create
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21

Hitti, Frederick L., Kerry A. Vaughan, Ashwin G. Ramayya, Brendan J. McShane, and Gordon H. Baltuch. "Reduced long-term cost and increased patient satisfaction with rechargeable implantable pulse generators for deep brain stimulation." Journal of Neurosurgery 131, no. 3 (2019): 799–806. http://dx.doi.org/10.3171/2018.4.jns172995.

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OBJECTIVEDeep brain stimulation (DBS) has revolutionized the treatment of neurological disease, but its therapeutic efficacy is limited by the lifetime of the implantable pulse generator (IPG) batteries. At the end of the battery life, IPG replacement surgery is required. New IPGs with rechargeable batteries (RC-IPGs) have recently been introduced and allow for decreased reoperation rates for IPG replacements. The authors aimed to examine the merits and limitations of these devices.METHODSThe authors reviewed the medical records of patients who underwent DBS implantation at their institution.
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22

Baran, Nicolae, Mihaela Constantin, Beatrice Tanase, Edgar Moraru, and Corina Ioana Moga. "Influence of Fine Bubble Generator Architecture on Time Variation of Dissolved Oxygen Concentration in Water." Revista de Chimie 70, no. 6 (2019): 2132–35. http://dx.doi.org/10.37358/rc.19.6.7290.

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The paper presents two constructive solutions in the field of fine bubble generators that serve to aerate the water. Two installations for experimental researches have been designed and built in connection with the two constructive solutions. The dissolved oxygen concentration was experimentally determined. The theoretical and experimental results for the two constructive solutions are compared showing a good coincidence in relation to the results reported in the literature.
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Debita, Mihaela, Carmina Musat, Elena Mereuta, et al. "Hazardous Private Healthcare Waste Management and Forecast of Medical Waste Generation." Revista de Chimie 68, no. 9 (2017): 2048–51. http://dx.doi.org/10.37358/rc.17.9.5819.

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The paper presents some considerations about medical waste management in private medical facilities which are considered to be small generators of such waste. The regulations are also applicable in these facilities and the management must develop strategic plans for minimizing the amount of medical waste. Some examples are revealed and a statistical analysis is conducted in order to reveal the efficiency of the medical waste management system. A forecast of hazardous medical waste is determined using the moving average method.
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Lingvay, Iosif, Adriana Mariana Bors, Daniel Lingvay, Ladislau Radermacher, and Vlad Neagu. "Electromagnetic Pollution of the Environment and its Effects on the Materials from the Built up Media." Revista de Chimie 69, no. 12 (2019): 3593–99. http://dx.doi.org/10.37358/rc.18.12.6800.

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In built up media (complex built environment), the materials are simultaneously exposed to a series of physical, chemical and microbiological stress factors that act synergistically with disturbing electromagnetic fields and cause material degradation - with consequences on the durability and safety in exploitation of buildings and installations. The main generative sources of disturbing fields (stray current generators) on built up media are railroads with DC or AC traction with various operating voltage and frequency, medium and high voltage overhead power lines and unbalanced currents from
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25

Dinu, Alice, and Mariana Tunaru. "Analysis of Corrosion Products Transported through Secondary Side of Candu Steam Generator Using GIXRD." Revista de Chimie 71, no. 2 (2020): 99–104. http://dx.doi.org/10.37358/rc.20.2.7899.

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To verify the chemistry of secondary side of CANDU steam generators, Millipore filters are used to sampling from condensing extraction pump, feed water header and blow down of steam generator. These filters retain the corrosion products as very fine particles and are used as samples in chemistry water control. X-Ray diffraction (XRD) is the most used technique that can provide information about the phase composition of analyzed samples. Because the crud layers on the Millipore filters are very thin, to identify the corrosion products Grazing Incidence X-Ray diffraction (GIXRD) technique was us
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26

Kondratenko, I. P., and R. S. Kryshchuk. "ELECTRICAL PARAMETERS AND POWER IN THE SEA WAVE ENERGY CONVERTER WITH RECTI-FIER AND RC LOAD." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2024, no. 67 (2024): 5–13. http://dx.doi.org/10.15407/publishing2024.67.005.

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The article is dedicated to determining the energy indicators of a generating complex with stochastic wave energy gen-eration. The aim of the study is to compare the energy indicators and power consumption coefficient of wave energy generating complexes' simulation models with magneto-electric generators operating at variable speeds under resistive and resistive-capacitive loads with rectified voltage. The analytical method is employed to calculate the parameters and energy indicators of the magneto-electric generator. The calculation includes inductance, resistance, and voltage gen-erated by
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27

Morel, Adrien, Adrien Badel, Romain Grézaud, Pierre Gasnier, Ghislain Despesse, and Gaël Pillonnet. "Resistive and reactive loads’ influences on highly coupled piezoelectric generators for wideband vibrations energy harvesting." Journal of Intelligent Material Systems and Structures 30, no. 3 (2018): 386–99. http://dx.doi.org/10.1177/1045389x18810802.

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One of the main challenges in energy harvesting from ambient vibrations is to find efficient ways to scavenge the energy, not only at the mechanical system resonance but also on a wider frequency band. Instead of tuning the mechanical part of the system, as usually proposed in the state of the art, this article develops extensively the possibility to tune the properties of the harvester using the electrical interface. Due to the progress in materials, piezoelectric harvesters can exhibit relatively high electromechanical coupling: hence, the electrical part can now have a substantial influence
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28

Soe, Winn, Yin Htwe Hla, and Hla Naing Hla. "Design and Performance Analysis of 400Hz Static Frequency Converter." International Journal of Trend in Scientific Research and Development 3, no. 5 (2019): 2120–22. https://doi.org/10.5281/zenodo.3591127.

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Nowadays solid state technology, engine driven generators, as an aircraft power system, supply 400Hz elecctrical loads for more efficient and effectiveness. The system produces stable and constant 400Hz from variable input frequency of DC link converter. Constant speed drive was momentously replaced by means of providing a constant frequency power supply of static frequency converter. Furthermore, easiness of repair and replacement, reduction in servicing needs, and the ability to locate the components of the electrical system are extended effectiveness of static frequency converter. Research
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29

YUSUF, Aminu. "THEORETICAL ANALYSIS OF SOLAR THERMOELECTRIC GENERATORS INTEGRATED WITH RADIATIVE COOLER." Konya Journal of Engineering Sciences, November 21, 2023, 1134–45. http://dx.doi.org/10.36306/konjes.1336630.

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A comprehensive analysis of solar thermoelectric generators integrated with radiative cooling technology (STEG-RC) is presented in this study. Basically, the STEG-RC operates outdoors; therefore, the effects of various weather parameters on the output performance of the STEG-RC are determined. The results reveal that the most efficient way of enhancing the output performance of the STEG-RC is by concentrating solar energy. The radiative cooling power increases linearly with the ambient temperature achieving the maximum cooling power of 135 W/m2 and 232 W/m2 at solar concentration ratios of C =
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30

Boyan, Karapenev, and Sadinov Stanimir. "Performance analysis of a three-stage quadrature RC generator with operational amplifiers." International Journal of Electrical and Computer Engineering (IJECE) 14, no. 1 (2024). https://doi.org/10.11591/ijece.v14i1.pp175-183.

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This paper presents the special features of RC harmonic oscillationgenerators and their widespread use and in particular the quadraturegenerators which provide two output signals dephased at 90º or 270º.Quadrature generators can be classified as those with an aperiodicfrequency-determining circuit or with a phase inverter group which are usedto generate oscillations of one or more fixed frequencies. Studies of athree-stage quadrature RC generator circuit with operational amplifiers havebeen performed. The results obtained from the simulation and experimentalstudies performed are pres
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31

Jeong, Ik Hoon, Sang Wook Park, Min Seong Kim, June Tae Kim, and Gil Ju Lee. "Parabolic Mirror‐Assisted Thermoelectric and Radiative Cooling System for Maximizing Power Generation Utilizing Solar and Outer Space Thermodynamic Resources." Advanced Materials Interfaces, August 4, 2023. http://dx.doi.org/10.1002/admi.202300573.

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AbstractRadiative cooling technology is extensively researched as a green technology, leveraging outer space as a thermodynamic resource. Recently, integrating thermoelectric generators (TEGs) and radiative coolers (RCs) are proposed to generate power using the temperature difference between the ambient and the radiative cooler. However, current TEG‐RC systems only utilize one thermodynamic resource, resulting in suboptimal efficiency. It proposes a parabolic mirror‐assisted TEG‐RC system that fully utilizes both the Sun and outer space as thermodynamic resources. The system places the hot sid
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32

Torriente-García, Ives, Francisco M. Muñoz-Pérez, Arturo C. Martí, Martín Monteiro, Juan C. Castro-Palacio, and Juan A. Monsoriu. "Experimenting with RC and RL series circuits using smartphones as signal generators and oscilloscopes." Revista Brasileira de Ensino de Física 45 (2023). http://dx.doi.org/10.1590/1806-9126-rbef-2023-0143.

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33

"Aerodynamics Analysis on Wings with Winglets and Vortex Generators." WSEAS TRANSACTIONS ON FLUID MECHANICS 15 (December 28, 2020). http://dx.doi.org/10.37394/232013.2020.15.19.

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This project was based on the principle of designing, simulating and developing an inexpensive, aerodynamically efficient and regular class electric powered RC aircraft. This prototype was designed to have the maximum strength to weight ratio with minimum drag coefficient (and highest lift coefficient). Moreover, all constraints provided by SAE International competition were followed. The investigation was conducted for the complete airplane and for wing optimization. The model was numerically investigated with ANSYS Fluent 16.1 through the SST K-Omega turbulence model at Reynolds number of 36
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34

Baradyn, Maciej, and Artur Ratkiewicz. "On-The-Fly Kinetics of the Hydrogen Abstraction by Hydroperoxyl Radical: An Application of the Reaction Class Transition State Theory." Frontiers in Chemistry 9 (January 31, 2022). http://dx.doi.org/10.3389/fchem.2021.806873.

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A Reaction Class Transition State Theory (RC-TST) is applied to calculate thermal rate constants for hydrogen abstraction by OOH radical from alkanes in the temperature range of 300–2500 K. The rate constants for the reference reaction C2H6 + ∙OOH → ∙C2H5 + H2O2, is obtained with the Canonical Variational Transition State Theory (CVT) augmented with the Small Curvature Tunneling (SCT) correction. The necessary parameters were obtained from M06-2X/aug-cc-pVTZ data for a training set of 24 reactions. Depending on the approximation employed, only the reaction energy or no additional parameters ar
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35

Mishin, Evgeny V. "The evolving paradigm of the subauroral geospace." Frontiers in Astronomy and Space Sciences 10 (March 27, 2023). http://dx.doi.org/10.3389/fspas.2023.1118758.

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An assessment of the status quo of fast subauroral flows—subauroral ion drifts (SAID) and subauroral polarization streams (SAPS), is presented. For a few decades, their development has been interpreted in terms of the voltage and current magnetospheric generators based largely on the drift motion of test particles. Recent multispacecraft observations revealed serious flaws in the generator paradigm and called for a new generation mechanism of fast-time subauroral flows and ring current (RC) injections. A novel model includes them in the overarching problem of the penetration of magnetotail pla
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36

Guo, Yifei, Shudong Yu, Lei Lv, et al. "Radiative Cooling Droplet‐Electricity Generator for Energy‐Saving Houses." Advanced Materials Technologies, April 5, 2025. https://doi.org/10.1002/admt.202500181.

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AbstractRising energy costs and depleting fossil fuel reserves necessitate integrating multiple energy‐harvesting technologies in energy‐saving houses to reduce carbon footprints. Unlike photovoltaics or wind generators, droplet‐electricity generators (DEGs) can operate in rainy conditions, thereby complementing existing renewables in energy‐saving houses. However, inadequate thermal management in traditional DEGs restricts their practical applicability. To overcome this limitation and enhance year‐round energy efficiency, this work proposes a radiative cooling droplet‐electricity generator (R
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37

Liao, Xiangrui. "Research and Design of Sine Wave and Square Wave Signal Generator." Science and Technology of Engineering, Chemistry and Environmental Protection 1, no. 10 (2024). https://doi.org/10.61173/14pbkh85.

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In modern electronic systems, signal generators are widely used in fields such as communication, signal processing, and automatic control systems. High-quality signal sources are key to ensuring system stability and reliability, especially in testing and measurement processes. Traditional signal generators often use complex hardware designs and costly dedicated chips, making it difficult to meet the cost and size requirements for mid- to low-frequency applications. Therefore, it is important to design a simple, cost-effective, and high-performance signal generator based on general-purpose oper
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Ding, Chenchen, Yuan Ren, Zhengwu Liu, and Ngai Wong. "Transforming memristor noises into computational innovations." Communications Materials 6, no. 1 (2025). https://doi.org/10.1038/s43246-025-00876-2.

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Abstract Memristor-based compute-in-memory (CIM) systems show promise in accelerating various computing tasks with high energy efficiency, while various inherent noises in memristors, generally viewed as non-ideal characteristics, are detrimental to system performances. However, recent studies reveal that these noises can be harnessed to enable advanced computational functionalities, transforming challenges into opportunities. In this work, we systematically review the noise utilization strategies for these functionalities by categorizing them into two main types: ‘noise-based perturbators’ an
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Kim, B. R., J. M. Son, J. W. Kang, et al. "The Effect of Porogen on Physical Properties in MTMS-BTMSE Spin-on Organosilicates." MRS Proceedings 875 (2005). http://dx.doi.org/10.1557/proc-875-o12.24.

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AbstractDecreasing the circuit dimensions is driving the need for low-k materials with a lower dielectric constant to reduce RC delay, crosstalk, and power consumption. In case of spin-on organosilicate low-k films, the incorporation of a porogen is regarded as the only foreseeable route to decrease dielectric constant of 2.2 or below by changing a packing density. In this study, MTMS-BTMSE copolymers that had superior mechanical properties than MSSQ were blended with decomposable polymers as pore generators. While adding up to 40 wt % porogen into MTMS:BTMSE=100:50 matrix, optical, electrical
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Lucan, Dumitra, Manuela Fulger, and Gheorghita Jinescu. "Corrosion Process of Incoloy-800 in High Pressure and Temperature Aqueous Environment." Revista de Chimie 59, no. 9 (2008). http://dx.doi.org/10.37358/rc.08.9.1962.

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The Steam Generators (SG), equipment that ensures the connection between the primary and secondary circuits, creates several safety problems during operation, mainly due to corrosion and mechanical damages. To provide information about the corrosion behaviour of the structural materials from CANDU SG under normal and abnormal conditions of operation and to identify the failure types produced by the corrosion were performed corrosion experiments consisting in chemical accelerated tests, static autoclaving and electrochemical methods. The gravimetric method, optical metallographic microscopy, XR
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