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Journal articles on the topic 'Linear generator'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 March 2023

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1

Imamah, A. Djunaidy, A. Rachmad, and F. Damayanti. "Comparasion of Password Generator between Coupled Linear Congruential Generator (CLCG) and Linear Congruential Generator (LCG)." Journal of Physics: Conference Series 953 (January 2018): 012136. http://dx.doi.org/10.1088/1742-6596/953/1/012136.

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2

Geri, A., A. Salvini, and G. M. Veca. "MHD linear generator modelling." IEEE Transactions on Appiled Superconductivity 5, no. 2 (June 1995): 465–68. http://dx.doi.org/10.1109/77.402596.

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3

Menzhinski, A. B., A. N. Malashin, and Yu V. Suhodolov. "DEVELOPING AND THE ANALYSIS OF MATHEMATICAL MODELS OF GENERATORS OF LINEAR AND RECIPROCATING TYPES WITH ELECTROMAGNETIC EXCITATION." ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations 61, no. 2 (April 5, 2018): 118–28. http://dx.doi.org/10.21122/1029-7448-2018-61-2-118-128.

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The mathematical modeling of generators of linear and reciprocating types with electromagnetic excitation resulted in obtaining the equivalent electrical circuit and diagrams of magnetic circuit of generators as well as the expressions that describe the electromagnetic processes in generators of linear and reciprocating types with electromagnetic excitation is presented in the article. Mathematical models of generators of linear and reciprocating types with electromagnetic excitation take into account the geometrical parameters of the magnetic system of generators, effect of the armature reaction, the unequal distribution of the magnetic field in the magnetic system of the generators and the dependence of the scattering coefficient and the fringe effect (in linear generators) and buckling (in the reciprocating electric generators) on the coordinates of the movement. An evaluation of the effectiveness of the generators of linear and reciprocating types with electromagnetic excitation was performed that demonstrated that the efficiency of the reciprocating generator with electromagnetic excitation is limited to the amount of movement of the moving part of the generator that can be considered as a drawback of this type of generators. Therefore, the reciprocating generator with electromagnetic excitation is more effective to be used in a small value of the working stroke of the movable part of it or in conjunction with a linear generator as a compensator of the end effect in reciprocating motion. In the linear generator the rate of change of inductance and mutual inductance throughout the movement of the moving part is practically constant. So if an increase of the magnitude of the working stroke of the movable part takes place the benefits of the linear generator are undeniable. However, it should be noted that a reduction of the stroke magnitude of the movable part of the linear generator is limited by constructional dimensions of the magnetic system of the generator, which reduces its efficiency at low value of the working stroke of the movable part.

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4

Seo, Un-Jae, Björn Riemer, Rüdiger Appunn, and Kay Hameyer. "Design considerations of a linear generator for a range extender application." Archives of Electrical Engineering 64, no. 4 (December 1, 2015): 581–92. http://dx.doi.org/10.1515/aee-2015-0043.

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Abstract The free piston linear generator is a new range extender concept for the application in a full electric vehicle. The free piston engine driven linear generators can achieve high efficiency at part and full load which is suitable for the range extender application. This paper presents requirements for designing a linear generator deduced from a basic analysis of a free piston linear generator.

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5

Han, Tian, Xianglei Xing, Jiawen Wu, and Ying Nian Wu. "Replicating Neuroscience Observations on ML/MF and AM Face Patches by Deep Generative Model." Neural Computation 31, no. 12 (December 2019): 2348–67. http://dx.doi.org/10.1162/neco_a_01236.

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A recent Cell paper (Chang & Tsao, 2017 ) reports an interesting discovery. For the face stimuli generated by a pretrained active appearance model (AAM), the responses of neurons in the areas of the primate brain that are responsible for face recognition exhibit a strong linear relationship with the shape variables and appearance variables of the AAM that generates the face stimuli. In this letter, we show that this behavior can be replicated by a deep generative model, the generator network, that assumes that the observed signals are generated by latent random variables via a top-down convolutional neural network. Specifically, we learn the generator network from the face images generated by a pretrained AAM model using a variational autoencoder, and we show that the inferred latent variables of the learned generator network have a strong linear relationship with the shape and appearance variables of the AAM model that generates the face images. Unlike the AAM model, which has an explicit shape model where the shape variables generate the control points or landmarks, the generator network has no such shape model and shape variables. Yet it can learn the shape knowledge in the sense that some of the latent variables of the learned generator network capture the shape variations in the face images generated by AAM.

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6

Cho, Il Hyoung, and Jang Young Choi. "Design of Wave Energy Extractor with a Linear Electric Generator -Part II. Linear Generator." Journal of the Korean Society for Marine Environment & Energy 17, no. 3 (August 25, 2014): 174–81. http://dx.doi.org/10.7846/jkosmee.2014.17.3.174.

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7

Abdalla, Izzeldin, Ezrann Z. Zainal A., Nur Amalina Ramlan, Firmansyah, Abd Rashid A. Aziz, and Morgan Heikal. "Free piston linear generator for low grid power generation." MATEC Web of Conferences 131 (2017): 02007. http://dx.doi.org/10.1051/matecconf/201713102007.

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8

Feng, Haichao, Jinsong Wei, Jikai Si, Zhiping Cheng, Chun Gan, and Xiaozhuo Xu. "Comparison of the Electromagnetic Characteristics of a Novel Gramme Winding and a Concentrated Winding Tubular Permanent-Magnet Linear Generator." Energies 13, no. 22 (November 13, 2020): 5943. http://dx.doi.org/10.3390/en13225943.

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A tubular permanent-magnet linear generator is suitable for direct drive wave energy conversion owing to its simple structure, easy maintenance and high efficiency. In this study, a novel Gramme winding tubular permanent-magnet linear generator (GW) is designed to increase power density. First, the structure of the Gramme winding and concentrated winding tubular permanent-magnet linear generator is introduced and the operation principle of the generator is analysed. Second, the initial parameters of GW are determined based on the similar overall dimensions to those of the concentrated winding tubular permanent-magnet linear generator. Third, the air gap flux density, external characteristics, voltage regulation, output power, and loss of the two generators are compared. Finally, the DC load capacities of the two generators are compared based on a three-phase full-control bridge rectifying circuit. The results show that the GW has a higher power density than the latter.

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9

Fazal, Imran, K. S. Rama Rao, and Mohd Noh Karsiti. "Modeling and Simulation of a Moving-Coil Linear Generator." Applied Mechanics and Materials 110-116 (October 2011): 2458–63. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.2458.

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This paper presents the analysis on flux and electromotive force (EMF) developed by moving coil and moving iron linear generators using finite element method (FEM). A 6 pole moving coil and 6/4 moving iron linear generator are used to analyze and compare the flux distribution in the air gap. These generators will be used for free piston linear engine. A moving permanent-magnet linear generator has drawbacks of thermal and impact force demagnetization, in addition to requiring complex control strategies. To overcome these limitations, one of the solutions is to place magnets on the stator instead on the translator. Based on the analysis it is proposed to replace the moving permanent-magnet by a moving-coil for a linear generator whose prime mover is a free-piston linear combustion engine.

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10

Ahamed, Raju, Kristoffer McKee, and Ian Howard. "A Review of the Linear Generator Type of Wave Energy Converters’ Power Take-Off Systems." Sustainability 14, no. 16 (August 11, 2022): 9936. http://dx.doi.org/10.3390/su14169936.

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The traditional wave energy converters (WECs) use hydraulic or turbine-type power take-off (PTO) mechanisms which consist of many moving parts, creating mechanical complexity and increasing the installation and maintenance costs. Linear generator-based direct-drive WECs could be a solution to overcome this problem, but the efficiency of the single conventional linear generator is not high enough, and it cannot work satisfactorily in the low-frequency range. This article reviews the recent research developments of the linear permanent magnet (PM) generator-based WEC to harness maximum energy from ocean waves. It starts with a brief introduction and background of wave energy converters using linear generators. Following this, the working principle of the WECs with linear PM generators is briefly outlined. Subsequently, the analytical model of the linear PM generator-based WEC is studied. After that, the up-to-date developments of the linear PM generator-based PTO systems are studied. Despite some modifications resulting in complexity in the linear PM generator’s structure and a rise in manufacturing costs, the study shows the systems’ efficiencies increased by increasing magnetic flux and reducing cogging force. The key parameters and improvement issues that can increase the performances and efficiencies of the PTO systems are identified to help future researchers for further development. Moreover, the review discusses the numerical and experimental analysis tools, the typical control systems used by the researchers and the challenges of the linear generator-based wave energy conversion system. Finally, conclusions about the significant beneficial characteristics and design choice of the WEC linear generator structure are provided and related to the application conditions.

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11

Cappelli, Luigi, Fabrizio Marignetti, Enzo de Santis, Yuri Coia, and Roberto di Stefano. "Design of a Moving-Coil Linear Generator for Marine Energy Conversion." Applied Mechanics and Materials 416-417 (September 2013): 311–16. http://dx.doi.org/10.4028/www.scientific.net/amm.416-417.311.

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The Inertial Sea Wave Converter is a device that uses the effect of a gyroscope to convert wave energy into electric energy. It is equipped with two Linear Tubular Permanent Magnet Generators. This paper describes the design and optimization processes for a moving-coil linear generator to be installed on the Inertial Sea Wave Converter. FEM Analysis has been performed to validate the design and to optimize forces and generated power. A Power Factor Corrector has been developed as frontend electronics.

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12

Raed, Althomali, and Alsumiri Mohammed. "FEM Based Prototype of Moving-Coil Coreless Linear-Generator (MCCLG) for Wave Energy Extraction." E3S Web of Conferences 64 (2018): 07005. http://dx.doi.org/10.1051/e3sconf/20186407005.

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Linear generators are one of the most efficient sea wave’s energy extraction setup. In the linear generator setup the energy is taken out by the vertical movement of waves. In most of the energy conversion systems, the energy is extracted by rotating motion by using the rotary generators. This paper is based on the prototype design of moving coil linear generator. The analysis of the prototype is done using the Maxwell finite element software. Finite-Element-Method (FEM) is used to analytically calculate the induced voltage and cogging forces. In this research, the FEM model of a coreless moving coil P.M linear generator has been outlined with an air cored stator. The main aim of the prototype is to convert marine energy directly without conversion from one form of motion to another, in regions the wave height is around 50 cm. A detail machine design formula is derived for the bases of initial prototype design. Prototype is modelled using Maxwell 2D FEM analysis. Hardware setup results were discussed to confirm the design, and to explore the working of the prototype as a generator. The movement of coils is accomplished by buoyancy mechanism of sea waves. The EMF generated is 6 Vp-p according to finite element simulation software. The prototype is able to generate EMF of about 2.5 Vp-p.

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13

Cardell, Sara D., Amparo Fúster-Sabater, and Adrián H. Ranea. "Linearity in decimation-based generators: an improved cryptanalysis on the shrinking generator." Open Mathematics 16, no. 1 (June 14, 2018): 646–55. http://dx.doi.org/10.1515/math-2018-0058.

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AbstractDecimation-based sequence generators are a class of non-linear cryptographic generators designed to be used in hardware implementations. An inherent characteristic of such generators is that their output sequences are interleaved sequences. This profitable characteristic can be used in the cryptanalysis of those generators. In this work, emphasis is on the most representative decimation-based generator, the shrinking generator, which has been cryptanalyzed just by solving linear equation systems. Compared with previous cryptanalysis, computational complexity and intercepted sequence requirements are dramatically reduced. Although irregularly decimated generators have been conceived and designed as non-linear sequence generators, in practice they can be easily analyzed in terms of simple linear structures.

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14

Suneeta, Suneeta. "Co-simulation of linear congruential generator by using Xilinx system generator and MATLAB Simulink." International Journal of Reconfigurable and Embedded Systems (IJRES) 10, no. 2 (July 1, 2021): 109. http://dx.doi.org/10.11591/ijres.v10.i2.pp109-114.

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<p>Arbitrary numerals are utilized in a wide range of uses. Genuine arbitrary numeral generators are moderate and costly for some applications while pseudo arbitrary numeral generators (RNG) do the trick for most applications. This paper fundamentally concentrates around the co-simulation of the linear congruential generator (LCG) model utilizing the Xilinx System generator and checking on Matlab Simulink. The design is obtained from the LCG calculation offered by Lehmer. Word lengths decrease strategy has been utilized to streamline the circuit. Simulation has been done effectively. The effective N bit LCG is structured and tried by utilizing demonstrating in MatLab Simulink. The Co-simulation of the model is done by utilizing the Xilinx system generator. This paper conducts an exhaustive search for the best arbitrary numeral generator in a full period linear congruential generator (LCG) with the largest prime numbers.</p>

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15

Cardell, Sara D., Diego F. Aranha, and Amparo Fúster-Sabater. "Recovering Decimation-Based Cryptographic Sequences by Means of Linear CAs." Logic Journal of the IGPL 28, no. 4 (December 10, 2019): 430–48. http://dx.doi.org/10.1093/jigpal/jzz051.

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Abstract The sequences produced by the cryptographic sequence generator known as the shrinking generator can be modelled as the output sequences of linear elementary cellular automata (CA). These sequences are composed of interleaved m-sequences produced by linear structures based on feedback shifts. This profitable characteristic can be used in the cryptanalysis of this generator. In this work we propose an algorithm that takes advantage of the inherent linearity of these CA and the interleaved m-sequences. Although irregularly decimated generators have been conceived and designed as non-linear ones, in practice they can be easily analysed in terms of simple linear structures.

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16

Journal, Baghdad Science. "Stochastic Non-Linear Pseudo-Random Sequence Generator." Baghdad Science Journal 7, no. 2 (June 6, 2010): 1042–46. http://dx.doi.org/10.21123/bsj.7.2.1042-1046.

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Many of the key stream generators which are used in practice are LFSR-based in the sense that they produce the key stream according to a rule y = C(L(x)), where L(x) denotes an internal linear bit stream, produced by small number of parallel linear feedback shift registers (LFSRs), and C denotes some nonlinear compression function. In this paper we combine between the output sequences from the linear feedback shift registers with the sequences out from non linear key generator to get the final very strong key sequence

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17

Fazal, Imran, Mohd Noh Karsiti, K. S. Rama Rao, and Saiful Azrin Zulkifli. "Modeling and Simulation of Moving Iron Linear Generator (MILG)." Applied Mechanics and Materials 110-116 (October 2011): 2464–68. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.2464.

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Moving permanent magnet linear generator has some limitations such as thermal and impact force demagnetization, and complex control strategies. To overcome these limitations one of the solution is moving iron linear generators. This paper presents the analysis of flux using FEM for moving iron linear generator. The flux density varies with peak value of 0.85 for 6/1, 0.98 for 6/2 and 1.27 for 6/4 MILGs with the movement of translator. The effect of air gap on different MILGs is studied. The FEM analysis indicates that air gap have direct impact on output of the generator. The analysis is performed to replace the moving permanent magnet by moving iron in a different applications.

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18

Awaid, Falih. "Breaking Modified Bruer Generator by Solving the System of Linear Equations of the Generated Sequence." Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), no. 2 (October 19, 2021): 48–67. http://dx.doi.org/10.55562/jrucs.v30i2.365.

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Linear Feedback Shift Register (LFSR) systems are used widely in stream cipher systems field. Golomb used the recurrence relation to find the next state values of single LFSR depending on initial values, s.t. he can be considered the first who can construct a linear equations system of a single LFSR. Attacking of key generator means attempt to find the initial values of the combined LFSR's.In this paper, a Golomb's method introduced to construct a linear equations system of a single LFSR. This method developed to construct a linear equations system of key generator (a LFSR system) where the effect of combining function of LFSR is obvious. Finally, before solving the linear equations system, the uniqueness of the solution must be tested, then solving the linear equations system using one of the classical methods like Gauss Elimination. Find the solution of linear equations system means find the initial values of the generator. One of the known generators; Modified Bruer generator, treated as a practical example of this work.

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JESPERS, ERIC, and DAVID RILEY. "NILPOTENT LINEAR SEMIGROUPS." International Journal of Algebra and Computation 16, no. 01 (February 2006): 141–60. http://dx.doi.org/10.1142/s0218196706002913.

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We characterize the structure of linear semigroups satisfying certain global and local nilpotence conditions and deduce various Engel-type results. For example, using a form of Zel'manov's solution of the restricted Burnside problem we are able to show that a finitely generated residually finite group is nilpotent if and only if it satisfies a certain 4-generator property of semigroups we call WMN. Methods of linear semigroups then allow us to prove that a linear semigroup is Mal'cev nilpotent precisely when it satisfies WMN. As an application, we show that a finitely generated associative algebra is nilpotent when viewed as a Lie algebra if and only if its adjoint semigroup is WMN.

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20

Sato, Mitsuhide, Shoma Irie, Jianping Zheng, Tsutomu Mizuno, Fumiya Nishimura, and Kaname Naganuma. "Generator Design Considering Mover Action to Improve Energy Conversion Efficiency in a Free-Piston Engine Generator." Electronics 10, no. 17 (September 3, 2021): 2142. http://dx.doi.org/10.3390/electronics10172142.

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In a free-piston engine generator (FPEG), the power of the engine can be directly regenerated by linear generators without a crank. The mover motion of this system is interrelated with engine and power generation efficiencies due to the direct connection between the mover of the generator and the piston of the engine. The generator should be designed to improve the overall energy conversion efficiency. The dimensions and mass of the mover limit its operating stroke and drive frequency. Herein, we propose a method for designing linear generators and constructing FPEG systems, considering the mover operation to improve engine efficiency. We evaluated the effect of mover operation on the engine and generation efficiencies using thermal and electromagnetic field analysis software. The proposed design method improves the overall energy conversion efficiency compared with a generator that considers only the maximization of generation efficiency. Setting the mover operation for higher engine efficiency and designing a linear generator to realize the operation can effectively improve the energy conversion efficiency of FPEGs.

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21

Murai, Toshiaki, Hitoshi Hasegawa, Takamitsu Yamamoto, and Shunsuke Fujiwara. "Active Magnetic Damper Using Linear Generator." IEEJ Transactions on Industry Applications 119, no. 11 (1999): 1371–76. http://dx.doi.org/10.1541/ieejias.119.1371.

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22

Geri, A., A. Salvini, and G. M. Veca. "Magnet for a MHD linear generator." IEEE Transactions on Magnetics 30, no. 4 (July 1994): 1847–50. http://dx.doi.org/10.1109/20.305620.

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23

Bacigál, Tomáš, and Mária Ždímalová. "Convergence of Linear Approximation of Archimedean Generator from Williamson’s Transform in Examples." Tatra Mountains Mathematical Publications 69, no. 1 (June 27, 2017): 1–18. http://dx.doi.org/10.1515/tmmp-2017-0010.

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Abstract We discuss a new construction method for obtaining additive generators of Archimedean copulas proposed by McNeil, A. J.-Nešlehová, J.: Multivariate Archimedean copulas, d-monotone functions and l1-norm symmetric distributions, Ann. Statist. 37 (2009), 3059-3097, the so-called Williamson n-transform, and illustrate it by several examples. We show that due to the equivalence of convergences of positive distance functions, additive generators and copulas, we may approximate any n-dimensional Archimedean copula by an Archimedean copula generated by a transformation of weighted sum of Dirac functions concentrated in certain suitable points. Specifically, in two dimensional case this means that any Archimedean copula can be approximated by a piece-wise linear Archimedean copula, moreover the approximation of generator by linear splines circumvents the problem with the non-existence of explicit inverse.

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24

Moeini Korbekandi, Ramin, Nick J. Baker, Mehmet C. Kulan, Aslan S. Jalal, Dawei Wu, and Mingqiang Li. "Dynamic Characteristics and Demonstration of an Integrated Linear Engine Generator with Alternative Electrical Machines." Energies 15, no. 14 (July 21, 2022): 5295. http://dx.doi.org/10.3390/en15145295.

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A linear engine generator with a compact double-acting free piston mechanism allows for full integration of the combustion engine and generator, which provides an alternative chemical-to-electrical energy converter with a higher volumetric power density for the electrification of automobiles, trains, and ships. This paper aims to analyse the performance of the integrated engine with alternative permanent magnet linear tubular electrical machine topologies using a coupled dynamic model in Siemens Simcenter software. Two types of alternative generator configurations are compared, namely long translator-short stator and short translator-long stator linear machines. The dynamic models of the linear engine and linear generator, validated with lab-scale prototypes, are applied to investigate the influence of alternative topologies of the generator on system performance. The coupled model will facilitate the early design phase and reveal the optimal match of the key parameters of the engine and generator. Then, experimental tests on an integrated compressor cylinder-generator prototype were successfully performed, and it is shown that this concept is feasible and electrical power and compressed working fluid, such as air, can be generated by this prototype.

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Hariyanto and Rosita Ferdiyana. "ANALISA CLOCK GENERATOR PADA RANGKAIAN POWER SUPPLY UNTUK APLIKASI TRIGER IC TTL DILABORATORIUM DIGITAL PROGRAM STUDI TEKNIK ELEKTRONIKA DI POLITEKNIK NEGERI MALANG." Jurnal Teknik Ilmu Dan Aplikasi 9, no. 1 (April 26, 2021): 10–14. http://dx.doi.org/10.33795/jtia.v9i1.4.

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The good performance of a clock generator circuit in the power supply for triger TTL IC is very influential on the success of the lab. A series. Therefore, the effectiveness of use must be adapted to its use in the practicum. To create a clock generator circuit as a source of pulses from a digital counter IC, a timer IC can be used. This pulse generator or clock generator can be used for clock sources in making counters up and down. Clock generators are often referred to as clock generators. The pulse generator in making the circuit is often used linear integrated circuit (IC: Integrated Circuit). A linear IC that is commonly used in general is usually the NE555 which is a timer IC. As a timer it can also be used analogically as a Clock Generator or pulse generator which can generally generate the frequency or time as needed.

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HERRANEN, Mika, Kalevi HUHTALA, and Matti VILENIUS. "E215 THE ENERGY BALANCE OF THE ELECTRO-HYDRAULIC LINEAR ACTUATION SYSTEM(Generator)." Proceedings of the International Conference on Power Engineering (ICOPE) 2009.2 (2009): _2–435_—_2–440_. http://dx.doi.org/10.1299/jsmeicope.2009.2._2-435_.

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Jia, Boru, Andrew Smallbone, Rikard Mikalsen, K. V. Shivaprasad, Sumit Roy, and Anthony Paul Roskilly. "Performance Analysis of a Flexi-Fuel Turbine-Combined Free-Piston Engine Generator." Energies 12, no. 14 (July 11, 2019): 2657. http://dx.doi.org/10.3390/en12142657.

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The turbine-combined free-piston engine generator (TCFPEG) is a hybrid machine, generating both mechanical work from the gas turbine and electricity from the linear electric generator for battery charging. In the present study, the system performance of the designed TCFPEG system is predicted using a validated numerical model. A parametric analysis is undertaken based on the influence of the engine load, valve timing, the number of linear generators adopted, and different fuels on the system performance. It is found that when linear electric generators are connected with the free-piston gas turbine, the bottom dead centre, the peak piston velocity, and engine operation frequency are all reduced. Very minimal difference on the in-cylinder pressure and the compressor pressure is observed, while the peak pressure in the bounce chamber is reduced. When coupled with a linear electric generator, the system efficiency can be improved to nearly 50% by optimising engine load and the number of the linear generators adopted in the TCFPEG system. The system is able to be operated with different fuels as the piston is not limited by a mechanical system; the output power and system efficiency are highest when hydrogen is used as the fuel.

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Chen, Chien-In Henry, and Yingjie Zhou. "Configurable 2-D Linear Feedback Shift Registers for VLSI Built-in Self-test Designs." VLSI Design 11, no. 2 (January 1, 2000): 149–59. http://dx.doi.org/10.1155/2000/60904.

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Recently a multiple-sequence test generator was presented based on two-dimensional linear feedback shift registers (2-D LFSR). This generator can generate a set of precomputed test vectors obtained by an ATPG tool for detecting random-pattern-resistant faults and particular hard-to-detect faults. In addition, it can generate better random patterns than a conventional LFSR. In this paper we describe an optimized BIST scheme which has a configurable 2-D LFSR structure. Starting from a set of stuck-at faults and a corresponding set of test vectors detecting these faults, the corresponding test pattern generator is determined automatically. A synthesis procedure of designing this test generator is presented. Experimental results show that the hardware overhead is considerably reduced compared with 2-D LFSR generators.

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Choi, Ji-Hyun, and Jin Ho Kim. "Multi Degree of Freedom Linear Electric Generator for Structural Concerns and Electric Generation Improvement of the Linear Electric Generator in a Vehicle Suspension." Journal of the Korea Academia-Industrial cooperation Society 15, no. 9 (September 30, 2014): 5452–59. http://dx.doi.org/10.5762/kais.2014.15.9.5452.

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Kuo, Ping-Huan, Ssu-Ting Lin, and Jun Hu. "DNAE-GAN: Noise-free acoustic signal generator by integrating autoencoder and generative adversarial network." International Journal of Distributed Sensor Networks 16, no. 5 (May 2020): 155014772092352. http://dx.doi.org/10.1177/1550147720923529.

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Linear predictive coding is an extremely effective voice generation method that operates through simple process. However, linear predictive coding–generated voices have limited variations and exhibit excessive noise. To resolve these problems, this article proposes an artificial intelligence model that combines a denoise autoencoder with generative adversarial networks. This model generates voices with similar semantics through the random input from the latent space of generator. The experimental results indicate that voices generated exclusively by generative adversarial networks exhibit excessive noise. To solve this problem, a denoise autoencoder was connected to the generator for denoising. The experimental results prove the feasibility of the proposed voice generation method. In the future, this method can be applied in robots and voice generation applications to increase the humanistic language expression ability of robots and enable robots to demonstrate more humanistic and natural speaking performance.

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Nazir, Refdinal, Krismadinata Krismadinata, and Rizka Amalia. "The Camparison of Harmonic Distortion Self-Excited Induction Generator with Isolated Synchronous Generator under Non-linear Loads." International Journal of Power Electronics and Drive Systems (IJPEDS) 6, no. 4 (December 1, 2015): 759. http://dx.doi.org/10.11591/ijpeds.v6.i4.pp759-771.

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In this paper, the harmonic distortion for Self-Excited Induction Generator (SEIG) and an isolated synchronous generator (ISG) under non-linear load during steady state conditions are analyzed. The voltage and current harmonics distortion for both generators are calculated using the transfer function method in frequency domain for SEIG and phasor diagram method for ISG. This analysis is done independently one by one component for all harmonic components appear. The analysis results for both generators are verified to the laboratory test results. For loading with the same non-linear load to both generators, the harmonics distortion on the stator windings of SEIG was smaller than compare ISG. In addition, the harmonic distortion effects on other loads connected to PCC point of SEIG was lower than the other loads connected to ISG.

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Lee, Jinkyu, Yondo Chun, Jiwon Kim, and Byounggun Park. "An Energy-Harvesting System Using MPPT at Shock Absorber for Electric Vehicles." Energies 14, no. 9 (April 29, 2021): 2552. http://dx.doi.org/10.3390/en14092552.

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This paper investigates an energy-harvesting system that uses of vibration energy at a shock absorber for electric vehicles. This system mainly comprises a linear electromagnetic generator and synchronous buck converter. To obtain the electrical energy through a linear electromagnetic generator, the perturb and observe maximum power point tracking (P&O MPPT) scheme is applied at the converter. The power converter circuit is designed with a diode rectifier and synchronous buck converter. The generated electric power is able to transmit to the battery and the damping force of the shock absorber is adjusted by the controlled current of generator. The linear electromagnetic generator was designed as a single phase eight-slot eight-pole tubular permanent magnet machine. The performance of the proposed energy-harvesting system was verified through simulations and experiments.

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Mangale, Nikhil, Rushikesh Jadhav, Meetkumar Kuvekar, Vikas Gupta, and Abdul Bari. "Power Generation Using Sea Tidal Waves." International Journal for Research in Applied Science and Engineering Technology 10, no. 3 (March 31, 2022): 2378–84. http://dx.doi.org/10.22214/ijraset.2022.41141.

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Abstract: This project reports on how to generate electricity from ocean wave by using RACK AND PINION arrangement and generators. The objectives of this project are to design and build a small scale power generator powered by ocean wave energy that able to generate electricity in other words a WAVE ENERGY CONVERTOR. It is not easy to harness wave energy and convert it into electricity in large amounts. So, the studies for this project include finding information and knowledge related to the topic besides developing skill through enquiry and literature review. In this mechanism ELECTRICAL POWER is generated simply by forced linear movement of rack and pinion by the waves. The rack will oscillates with the wave up and down which is in mesh pinion hence it will turn the pinion mounted on pinion shaft. The rotational movement of the pinion is transferred to the generator which results as electricity. To become a successful project, several things need to be reviewed like literature review on linear generator, design and development of the generator, experiment of before gaining result and correct data. Keywords: Rack and pinion, wave energy convertor, electrical power

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34

Apdilah, D., M. K. Harahap, N. Khairina, A. M. Husein, and M. Harahap. "A Comparison of One Time Pad Random Key Generation using Linear Congruential Generator and Quadratic Congruential Generator." Journal of Physics: Conference Series 1007 (April 2018): 012006. http://dx.doi.org/10.1088/1742-6596/1007/1/012006.

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Harahap, Muhammad Khoiruddin, and Rina Rina. "Kombinasi Kriptografi RSA dengan Linear Congruential Generator." SinkrOn 3, no. 1 (September 24, 2018): 267. http://dx.doi.org/10.33395/sinkron.v3i1.211.

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Kriptografi menjadi sebuah teknik keamanan yang terus berkembang dan tak pernah selesai dalam pembahasannya. Keamanan terhadap data juga selalu menjadi perhatian yang sangat penting demi untuk menjaga kerahasiaan dan keamanan dari data tersebut. Dalam pembahasan ini bertujuan untuk menggabungkan dua buah algoritma yaitu pembangkit bilangan acak menggunakan metode Linear Congruential Generator untuk membuat tabel baru index bilangan ASCII yang kemudian dilanjutkan dengan Enkripsi / dekripsi menggunakan RSA. Melalui pembahasan tersebut didapatkanlah keamanan data menjadi 2 layer, yaitu layer pertama berdasarkan pengacakan code ASCII menjadi tabel baru dan Layer Kedua Enkripsi dan Dekripsi menggunakan metode RSA

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Gomez-Reino, Carlos, Ana I. GÃ³mez-Varela, Carmen Bao Varela, and M. Teresa Flores-Arias. "Temporal Zone Plate by Linear Chirp Generator." PIERS Online 6, no. 7 (2010): 655–58. http://dx.doi.org/10.2529/piers091216074836.

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Lahouel, D., D. Hedjazi, and R. Abdessemed. "Sizing Inductors of Linear Generator for CAD." IOSR Journal of Electrical and Electronics Engineering 9, no. 5 (2014): 27–33. http://dx.doi.org/10.9790/1676-09542733.

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Chen Lin, 陈林, 谢卫平 Xie Weiping, 邹文康 Zou Wenkang, 周良骥 Zhou Liangji, 王勐 Wang Meng, 戴英敏 Dai Yingmin, 任靖 Ren Jing, and 李晔 Li Ye. "100 GW fast linear transformer driver generator." High Power Laser and Particle Beams 24, no. 3 (2012): 651–54. http://dx.doi.org/10.3788/hplpb20122403.0651.

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Tang, Hui-Chin. "Modulus of Linear Congruential Random Number Generator." Quality & Quantity 39, no. 4 (August 2005): 413–22. http://dx.doi.org/10.1007/s11135-004-6788-6.

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Liao, M., Z. Zabar, E. Levi, and L. Birenbaum. "Analysis of generator-driven linear induction launchers." IEEE Transactions on Magnetics 33, no. 1 (1997): 184–89. http://dx.doi.org/10.1109/20.559942.

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Xiang Fei, Tan Jie, Luo Min, Wang Gan-Ping, and Kang Qiang. "Fast linear transformer high power pulse generator." Acta Physica Sinica 60, no. 6 (2011): 064102. http://dx.doi.org/10.7498/aps.60.064102.

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Waldmann, O., H. Meyer, and G. Fussmann. "Anomalous Diffusion in a Linear Plasma Generator." Contributions to Plasma Physics 47, no. 10 (December 2007): 691–702. http://dx.doi.org/10.1002/ctpp.200710079.

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Zhang, Hai Lin, Bao Quan Kou, Shou Ming Zhou, Li Yi Li, and Chao Ning Zhang. "The Highest Efficiency Control of the Stirling Linear Generator." Applied Mechanics and Materials 416-417 (September 2013): 503–8. http://dx.doi.org/10.4028/www.scientific.net/amm.416-417.503.

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A high efficient current control strategy of the Stirling linear generators was investigated in this paper. The structure of the linear generator was introduced and mathematical model was built. The efficiency of the system is compared in different current modes. The highest efficiency control strategy is calculated in the conditions of without magnetic saturation, iron-loss, mechanical loss and treating inductance as a constant. At the same time, the maximum ratio of the electromagnetic power to current control is realized. Finally, this algorithm was validated in the simulation and experiment.

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Guo, Tianyu, Chang Xu, Boxin Shi, Chao Xu, and Dacheng Tao. "Smooth Deep Image Generator from Noises." Proceedings of the AAAI Conference on Artificial Intelligence 33 (July 17, 2019): 3731–38. http://dx.doi.org/10.1609/aaai.v33i01.33013731.

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Generative Adversarial Networks (GANs) have demonstrated a strong ability to fit complex distributions since they were presented, especially in the field of generating natural images. Linear interpolation in the noise space produces a continuously changing in the image space, which is an impressive property of GANs. However, there is no special consideration on this property in the objective function of GANs or its derived models. This paper analyzes the perturbation on the input of the generator and its influence on the generated images. A smooth generator is then developed by investigating the tolerable input perturbation. We further integrate this smooth generator with a gradient penalized discriminator, and design smooth GAN that generates stable and high-quality images. Experiments on real-world image datasets demonstrate the necessity of studying smooth generator and the effectiveness of the proposed algorithm.

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Kim, Konstantin, Konstantin Kim, and Andrey Vataev. "Optimization Problem of a Linear Induction Generator with a Liquid Working Fluid." Известия высших учебных заведений. Электромеханика 64, no. 6 (2021): 16–21. http://dx.doi.org/10.17213/0136-3360-2021-6-16-21.

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We present the problem of optimization of cylindrical linear induction generators. The stator winding is located on the inner and outer cores of the magnetic system. The working fluid is a well-conducting liquid moving at a constant speed along the length of the channel. Since the generator is one of the elements of a complex installation the problem of optimizing it should be coordinated with a similar problem for the installation as a whole. This is done with the help the parameters common to all installation elements. Such parameters are the speed and flow rate of the working fluid. We describe the calculation algorithm with the use of computer technology. The efficiency and specific gravity of the generator are accepted as optimality criteria. The calculation results for a generator with the power of 20 MW are presented.

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Thomas, Simon, Marianna Giassi, Malin Göteman, Martyn Hann, Edward Ransley, Jan Isberg, and Jens Engström. "Performance of a Direct-Driven Wave Energy Point Absorber with High Inertia Rotatory Power Take-off." Energies 11, no. 9 (September 4, 2018): 2332. http://dx.doi.org/10.3390/en11092332.

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An alternating rotatory generator using an eddy current break is developed as a physical scale model of a direct-driven floating point absorber power take-off (PTO) for wave tank tests. It is shown that this design is a simple and cost-effective way to get an accurate linear damping PTO. The device shows some beneficial characteristics, making it an interesting option for full scale devices: For similar weights the inertia can be significantly higher than for linear generators, allowing it to operate with natural frequencies close to typical wave frequencies. The influence of the higher inertia on the power absorption is tested using both a numerical simulation and physical wave tank tests. With the increased inertia the PTO is able to absorb more than double the energy of a comparable direct-driven linear generator in some sea states. Moreover, the alternating rotatory generator allows the absorption characteristic to be tuned by changing the inertia and the generator damping.

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Tsitsikyan, G., and S. Kunaev. "Appraisal of linear load effect on non-linear distortion coefficient from rectifier." Transactions of the Krylov State Research Centre 3, no. 397 (August 6, 2021): 92–96. http://dx.doi.org/10.24937/2542-2324-2021-3-397-92-96.

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Object and purpose of research. The object of research is the rectifier (transducer) OPED-12,5-115 (О – single phase; P – direct current; Е – natural air cooling; D – on diodes with an example of document record; 12.5 – current rating; 115 – voltage rating). Materials and methods. Methods of power electronics and harmonic analysis are applied. Main results. Ways of appraisal and restriction for the harmonic coefficient (non-linear distortion coefficient from transducer) are worked out taking account of an active load of higher frequencies generator (400 Hz). Conclusion. Numerical estimations for the attenuation coefficient of harmonics 3, 5 and 7 are obtained using basic values Xd and Xq of generator АТО-20.

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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 behavior, the discharge current is varied for every spark. The modified iso current pulse generator can produce uniform energy distribution with smaller crater size. In this study, EDM drilling experiments have been conducted on AISI 304 stainless steel with the RC pulse generator, Transistor pulse generator and iso energy pulse generator in electrical erosion process. The effects of these pulse generators on surface characterization have been evaluated and analyzed. From the evaluation results, it has been detected that the iso energy pulse generator has produced better surface structure than conventional pulse generators.

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Hamim, M. A. F. M., Taib Ibrahim, and Nursyarizal Mohd Nor. "Design Optimization of Single Phase, Tubular, Linear Permanent Magnet Generator for Wave Energy Conversion System." Applied Mechanics and Materials 785 (August 2015): 305–9. http://dx.doi.org/10.4028/www.scientific.net/amm.785.305.

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This paper illustrates a design methodology to accomplish optimum performance for a single-phase, tubular, linear permanent magnet generator which drives linear motion of wave energy for Wave Energy Conversion (WEC) system application. It is shown that the linear generator performance can be optimized with respect to three leading dimension ratios. Existence of copper loss in the linear generator also can be reduced by performing the optimization process. Results for the linear generator efficiency, copper loss and output power are demonstrated and discussed are shown to be as expected.

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Zapata, Henry M., and Marcelo A. Pérez. "Modular Multilevel Converter for a Linear Generator for Wave Energy Converter." Energies 15, no. 17 (August 31, 2022): 6346. http://dx.doi.org/10.3390/en15176346.

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In this paper we propose a modular multilevel converter for a linear generator for a wave energy converter. The coils of this generator are individually controlled to improve energy harvesting performance. This topology involves two stages. The first stage uses a full-bridge to control the harvested current with a reference generated by means of an MPPT method. The second stage uses a half-bridge to control the voltage of the DC-link and the output current. Furthermore, multilevel modular converters allow the generation of a medium DC voltagethat reduces the losses in energy transmission lines from offshore to a coupling common point on the shore.

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