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Journal articles on the topic 'Kirchhoff's voltage law'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

E, Erwin, Ilham Arifin, Septhia Eka Nurviranthy Panjaitan, Graceya Zagita Manik, Wiwi Marsela, and Janter Ricardo Manurung. "Optimization of Electric Power Flow Analysis Using the Gauss-Seidel Method in a Numerical Approach." Journal of Computer Networks, Architecture and High Performance Computing 7, no. 1 (2025): 235–40. https://doi.org/10.47709/cnahpc.v7i1.5382.

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The availability of electrical energy is a fundamental requirement in modern society, supporting both daily life and industrial activities. To ensure efficient and reliable energy distribution, power flow analysis is critical. This analysis is grounded in Kirchhoff's laws, which serve as the foundation for understanding electrical circuits. Kirchhoff's Current Law (KCL) states that "the sum of electric currents entering and leaving a branch point is zero," while Kirchhoff's Voltage Law (KVL) asserts that "the sum of electromotive forces and potential drops in a closed circuit must equal zero."

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2

Hasan, Redwanul, Minhazul Islam, and Sazid Hossain. "KVL and KCL verification by cotton conductive yarn resistor instead of carbon resistor fixation with Ag nanoparticles for sustainable e-textiles application." Modern Electronic Materials 6, no. (4) (2020): 133–39. https://doi.org/10.3897/j.moem.6.4.61435.

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This paper parades the effectiveness of conductive yarn resistor instead of carbon resistor by verifying the Kirchhoff's voltage (KVL) & current (KCL) law. This research work enlightens about the sustainability of e-textiles on account of presenting characteristics of this conductive yarn resistor. Resistor is one of the most useful materials in the electrical laboratories. Generally resistor is made by carbon. Using carbon resistor is pernicious for our environment, society & cost. It is known that sustainability is the concerned area at present. Sustainable e-textile is one of the ma

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3

Gouzman, Michael, and Serge Luryi. "Reflections on the Future Electric Power Grid Monitoring System." International Journal of High Speed Electronics and Systems 23, no. 03n04 (2014): 1450024. http://dx.doi.org/10.1142/s0129156414500244.

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A shortcoming of the contemporary power grid monitoring is that the system does not know its own state. Instead of taking automatic note of energy-flow disruptions, one deals with haphazard telephone reports of “no light in our house”. We propose a novel monitoring system that requires no restructuring of the power distribution network and can be applied both to the existing grids and the future “smart grids”. The proposed system is based on a network of inexpensive sensors, installed on every connecting line and communicating measured data to a central processing unit. Our approach is topolog

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4

Zhou, Sheng, Xiang Zhao, Zhenzhu Xi, Qingxin Qi, He Wang, and Xia Long. "Optimal design of classic RCD absorption circuit in transient electromagnetic transmitter." Journal of Geophysics and Engineering 19, no. 4 (2022): 739–49. http://dx.doi.org/10.1093/jge/gxac047.

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Abstract The classic RCD absorption circuit has been applied to shorten the turn-off time of transmitters. The current way to determine the resistor and capacitor values of the classic RCD circuit is inefficient. In this paper, an intelligent optimization method to design the classic RCD absorption circuit is proposed. First, based on Kirchhoff's law, the working principles of the RCD absorption circuit at three phases are mathematically analyzed. The formulations of current and voltage at each phase are derived. Next, the shortest turn-off time and its corresponding capacitance and resistance

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5

Zhao, Jinli, Hongshan Zhou, Bo Chen, and Peng Li. "Research on the Structural Characteristics of Transmission Grid Based on Complex Network Theory." Journal of Applied Mathematics 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/261798.

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Reasonable and strong structure is an important foundation for the smart transmission grid. For vigorously promoting construction of the smart grid, it is of great significance to have a thorough understanding of the complex structural characteristics of the power grid. The structural characteristics of several actual large-scale power grids of China are studied in this paper based on the complex network theory. Firstly, the topology-based network model of power grid is recalled for analyzing the statistical characteristic parameters. The result demonstrated that although some statistical char

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Abdollahzadeh Jamalabadi, M. Y., and Moon K. Kwak. "Dynamic modeling of a galloping structure equipped with piezoelectric wafers and energy harvesting." Noise Control Engineering Journal 67, no. 3 (2019): 142–54. http://dx.doi.org/10.3397/1/376713.

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This study presents the analytical solution and experimental investigation of the galloping energy harvesting from oscillating elastic cantilever beam with a rigid mass. A piezoelectric wafer was attached to galloping cantilever beam to harvest vibrational energy in electric charge form. Based on Euler-Bernoulli beam assumption and piezoelectric constitutive equation, kinetic energy and potential energy of system were obtained for the proposed structure. Virtual work by generated charge and galloping force applied onto the rigid mass was obtained based on Kirchhoff's law and quasistatic assump

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Handayani, Yusri, Rahmawati Rahmawati, and Widiasih Widiasih. "Using Rasch Model to Analyze Reliability and Validity of Concept Mastery Test on Electricity and Magnetism Topic." JIPF (Jurnal Ilmu Pendidikan Fisika) 8, no. 2 (2023): 226. http://dx.doi.org/10.26737/jipf.v8i2.3877.

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This study aims to analyze the reliability and validity of the electricity and magnetismconcept mastery test (EM-CMT) using Rasch model aided by Winsteps version 3.68.2. The multiple choice concept mastery test consists of 40 items about material electric current, resistance, resistivity, Ohm's law, electric voltage, energy and electrical conductivity, resistors in series, parallel, and mixed circuits, Kirchhoff's law, RC charging and discharging capacitor circuits, magnetic fields, magnetic forces, and sources magnetic field. The sample of this study were prospective physics teacher students

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Zainuri, Ahmad Agung, and Ali Akbar. "Design and Construction of Thermoelectric Generator with Comparison of Sun and Water Heat Temperatures." IOP Conference Series: Earth and Environmental Science 1104, no. 1 (2022): 012032. http://dx.doi.org/10.1088/1755-1315/1104/1/012032.

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Abstract In today's technological developments, many alternative and new renewable energies have been launched to reduce the impact of global warming. However, the availability of new renewable energy sources in Indonesia is still not fully utilized. As an alternative to deal with these problems, thermoelectric is one of the solutions in overcoming energy problems that are always increasing from year to year along with technological advances. On the other hand, one of the alternative energy sources that can be utilized is solar energy. The use of this energy can be done by utilizing the heat t

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9

Saumya, Ranjan Jena, and Nayak Damayanti. "Approximate instantneous current in RLC circuit." Bulletin of Electrical Engineering and Informatics 9, no. 2 (2020): 801–7. https://doi.org/10.11591/eei.v9i2.1641.

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In this study, a mixed rule of degree of precision nine has been developed and implemented in the field of electrical sciences to obtain the instantaneous current in the RLC circuit for particular value (R=1,L=1,C=1). The linearity has been performed with the Volterra’s integral equation of second kind with particular kernel (1+(𝑡−𝑥)). Then the definite integral has been evaluated through the mixed quadrature to obtain the numerical result which is very effective. A polynomial has been used to evaluate Volterra’s integral equation in the place of unknown functions. The accura

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10

Panov, Emil Ivanov. "Direct current regimes in the linear electric circuits according to the relativistic circuit theory." ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA 2, no. 1 (2018): 17–29. http://dx.doi.org/10.29114/ajtuv.vol2.iss1.66.

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The paper is dedicated to a missing chapter of the circuit theory, which is connected with the special theory of relativity. It is concerned with the direct current regimes in the linear electric circuits, which are moving with speeds smaller than the speed of light or close to it. In it a series of basic questions, connected with the relativistic forms of the fundamental laws for the electric circuits (Kirchhoff’s current law, Kirchhoff’s voltage law, Ohm’s law, Joule’s law, the energy conservation law), are observed. The relativistic forms of the basic quantities of the electric circuits (cu

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et al., Shaikh. "Numerical higher-order Runge-Kutta methods in transient and damping analysis." International Journal of ADVANCED AND APPLIED SCIENCES 9, no. 10 (2022): 174–79. http://dx.doi.org/10.21833/ijaas.2022.10.020.

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Transient analysis of an RLC circuit (or LCR circuit) comprising of a resistor, an inductor, and a capacitor are analyzed. Kirchhoff’s voltage and current laws were used to generate equations for voltages and currents across the elements in an RLC circuit. From Kirchhoff’s law, the resulting first-order and second-order differential equations, The different higher-order Runge-Kutta methods are applied with MATLAB simulations to check how changes in resistance affect transient which is transitory bursts of energy induced upon power, data, or communication lines; characterized by extremely high

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12

Abdelkader, M. A., Mostafa A. Elshahed, and Zeinab H. Osman. "A New Power Flow Algorithm for Passive and Active Radial Distribution Networks." International Journal of Engineering Research in Africa 40 (December 2018): 101–18. http://dx.doi.org/10.4028/www.scientific.net/jera.40.101.

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Due to the rapid increase in electricity consumption, there is a tendency to install distributed generations (DGs) at the level of distribution systems. Therefore, the distribution systems become active, and special load flow methods have to be developed and applied due to its radial structure and the relatively high ratio of resistance to reactance components. This paper presents a new forward algorithm for balanced three-phase load-flow analysis of radial distribution networks (RDNs). Kirchhoff’s Current Law and Kirchhoff’s Voltage Law are utilized. However, a new arrangement of these equati

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13

Lara, Vitor, and Kaled Dechoum. "Kirchhoff’s voltage law corrected for radiating circuits." Revista Brasileira de Ensino de Física 37, no. 1 (2015): 1307. http://dx.doi.org/10.1590/s1806-11173711651.

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14

Saez, Yessica, Laszlo B. Kish, Robert Mingesz, Zoltan Gingl, and Claes G. Granqvist. "Bit errors in the Kirchhoff-Law–Johnson-Noise secure key exchange." International Journal of Modern Physics: Conference Series 33 (January 2014): 1460367. http://dx.doi.org/10.1142/s2010194514603676.

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We classify and analyze bit errors in the voltage and current measurement modes of the Kirchhoff-law–Johnson-noise (KLJN) secure key distribution system. In both measurement modes, the error probability decays exponentially with increasing duration of the bit sharing period (BSP) at fixed bandwidth. We also present an error mitigation strategy based on the combination of voltage-based and current-based schemes. The combination method has superior fidelity, with drastically reduced error probability compared to the former schemes, and it also shows an exponential dependence on the duration of t

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15

Rohit, Gupta, та Gupta Rohit. "Matrix method for deriving the response of a series Ł- Ϲ- Ɍ network connected to an excitation voltage source of constant potential". Pramana Research Journal 8, № 10 (2023): 120–28. https://doi.org/10.5281/zenodo.7727935.

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The analysis of electric networks containing energy storage elements like a capacitor or an inductor or both a capacitor and an inductoris an essential course for most of the branches of the engineering. When we consider suchan electric network connected to an excitation source through a switch, thenon closing the switch and applying Kirchhoff’s current law or Kirchhoff’s voltage law, we get a differential equationwhose solution is generally obtained by adopting the classical method or Laplace transform. This paper presents a matrix method for getting the response of a series elect

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16

Nurullaeli, Nurullaeli. "Media Analisis Rangkaian Listrik Menggunakan Pendekatan Numerik Gauss-Jordan, Gauss-Seidel, dan Cramer." Navigation Physics : Journal of Physics Education 2, no. 1 (2020): 1–8. http://dx.doi.org/10.30998/npjpe.v2i1.245.

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The aim of this study is create an analysis media for calculating the electric current in a closed circuit with one or more loops. Gauss-Jordan, Gauss-Seidel, and Cramer methods were used in this study. This media is packaged into Graphic User Interface (GUI) with matlab language program assisting. In this study, Linear Equation System (SPL) was obtained from kirchhoff current law and kirchhoff voltage law concepts. Gauss-Seidel method is not always convergent for each formed SPL, because it can only be applied when coefficient matrix A was diagonally dominant. The application of this analysis

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17

Hasan, Redwanul, Minhazul Islam, and Sazid Hossain. "KVL and KCL verification by cotton conductive yarn resistor instead of carbon resistor fixation with Ag nanoparticles for sustainable e-textiles application." Modern Electronic Materials 6, no. 4 (2020): 133–39. http://dx.doi.org/10.3897/j.moem.6.4.61435.

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This paper parades the effectiveness of conductive yarn resistor instead of carbon resistor by verifying the Kirchhoff’s voltage (KVL) &amp; current (KCL) law. This research work enlightens about the sustainability of e-textiles on account of presenting characteristics of this conductive yarn resistor. Resistor is one of the most useful materials in the electrical laboratories. Generally resistor is made by carbon. Using carbon resistor is pernicious for our environment, society &amp; cost. It is known that sustainability is the concerned area at present. Sustainable e-textile is one o

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18

Orem, Peter, Kyle Vogt, Matt Graham, and Frank Orem. "Measuring Thermally-Driven LED Emissions via Voltage Modulation near Zero Bias." Electronics 7, no. 12 (2018): 360. http://dx.doi.org/10.3390/electronics7120360.

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This study was launched to demonstrate that LEDs at zero bias show recombination photon emissions, and to check the models for the same. A method for measuring the light emission for a LED near zero bias is presented. A large reverse bias sufficient to suppress detectable emissions is assumed. The bias voltage between ‘large reverse’ and our target voltage is modulated, and the difference measured. The measured emissions found are consistent with the Shockley diode equation. The spectrum near zero bias can be measured and characterized. It shows LED behavior that is substantially different fro

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19

Melhem, Mutaz, and Laszlo Kish. "A Static-loop-current Attack Against the Kirchhoff-Law-Johnson-Noise (KLJN) Secure Key Exchange System." Applied Sciences 9, no. 4 (2019): 666. http://dx.doi.org/10.3390/app9040666.

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In this study, a new attack against the Kirchhoff-Law-Johnson-Noise (KLJN) key distribution system is explored. The attack is based on utilizing a parasitic voltage-source in the loop. Relevant situations often exist in the low-frequency limit in practical systems, especially when the communication is over a distance, or between different units within an instrument, due to a ground loop and/or electromagnetic interference (EMI). Our present study investigates the DC ground loop situation when no AC or EMI effects are present. Surprisingly, the usual current/voltage comparison-based defense met

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20

Ostrovlyanchik, Viktor, Ivan Popolzin, Vasiliy Kubarev, and Dabin Qi. "Modeling of induction motor drive of a mine hoist on the basis of a doubly-fed electric machine." E3S Web of Conferences 330 (2021): 03008. http://dx.doi.org/10.1051/e3sconf/202133003008.

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One of the options for the modernization of existing hoist electric drives with a wound-rotor induction motor is its starting according to the scheme of a doubly-fed machine. For this purpose, a frequency converter with an adjustable amplitude, frequency and phase shift of the voltage at its output is connected to the motor rotor. At the same time, the problem of obtaining a mathematical model of both the double fed machine itself and the speed control system based on it is relevant due to the need to take into account the additional supply voltage in the differential equations drawn up in acc

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21

Smulko, Janusz. "Performance Analysis of the "Intelligent" Kirchhoff-Law–Johnson-Noise Secure Key Exchange." Fluctuation and Noise Letters 13, no. 03 (2014): 1450024. http://dx.doi.org/10.1142/s0219477514500242.

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The Kirchhoff-law–Johnson-noise (KLJN) secure key distribution system provides a way of exchanging theoretically secure keys by measuring random voltage and current through the wire connecting two different resistors at Alice's and Bob's ends. Recently new advanced protocols for the KLJN method have been proposed with enhanced performance. In this paper, we analyze the KLJN system and compare with the "intelligent" KLJN (iKLJN) scheme. That task requires determination of the applied resistors and identification of various superpositions of known and unknown noise components. Some statistical t

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22

Smulko, Janusz. "Performance analysis of the “intelligent” Kirchhoff-Law-Johnson-Noise secure key exchange." International Journal of Modern Physics: Conference Series 33 (January 2014): 1460368. http://dx.doi.org/10.1142/s2010194514603688.

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The Kirchhoff-Law-Johnson-Noise (KLJN) secure key distribution system provides a way of exchanging information theoretic secure keys by measuring the random voltage and current through the wire connecting two different resistors at Alice's and Bob's ends. Recently new advanced protocols for the KLJN method have been proposed with enhanced performance. In this paper we analyze the KLJN system and compare with “intelligent” KLJN (iKLJN) scheme. This task requires the determination of the applied resistors and the identification of the various superpositions of known and unknown noise components.

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23

Estévez-Bén, Adyr A., Héctor Juan Carlos López Tapia, Roberto Valentín Carrillo-Serrano, Juvenal Rodríguez-Reséndiz, and Nimrod Vázquez Nava. "A New Predictive Control Strategy for Multilevel Current-Source Inverter Grid-Connected." Electronics 8, no. 8 (2019): 902. http://dx.doi.org/10.3390/electronics8080902.

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The DC/AC converters—commonly called inverters—transform the DC into AC and are classified as Voltage-Source Inverters (VSIs) or Current-Source Inverters (CSIs). A variant of the CSIs are the Multilevel Current-Source Inverters (MCSIs). In this paper, a new predictive control strategy for an MCSI with multiple inputs and grid-connected is proposed. The control technique uses the advantages of the Sliding Mode Control (SMC) for the balance of current in the input and Predictive Control (PC) to obtain a suitable grid current, since it separates both functions. The calculations are based on conve

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Santiago-Angarita, José Libardo, and Olga Lucy Rincón-Leal. "Regresión lineal de mínimos cuadrados para la carga y descarga de un condensador." Eco matemático 6, no. 1 (2015): 34. http://dx.doi.org/10.22463/17948231.454.

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ResumenEl objetivo es determinar experimentalmente el proceso de carga y descarga de un condensador estando conectado en serie con una resistencia y una fuente de corriente continua, utilizando para ello los métodos numéricos en el proceso de ajuste de curvas a través de la regresión lineal de mínimos cuadrados, y con ayuda del software matemático Matlab se realizó la construcción de las respectivas curvas. Se estableció una relación entre el voltaje y el tiempo, formándose así una gráfica exponencial; se dedujeron las relaciones existentes y el comportamiento del fenómeno, dadas las ecuacione

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Chen, Hsien-Pu, Muneer Mohammad, and Laszlo B. Kish. "Current Injection Attack against the KLJN Secure Key Exchange." Metrology and Measurement Systems 23, no. 2 (2016): 173–81. http://dx.doi.org/10.1515/mms-2016-0025.

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AbstractThe Kirchhoff-law-Johnson-noise (KLJN) scheme is a statistical/physical secure key exchange system based on the laws of classical statistical physics to provide unconditional security. We used the LTSPICE industrial cable and circuit simulator to emulate one of the major active (invasive) attacks, the current injection attack, against the ideal and a practical KLJN system, respectively. We show that two security enhancement techniques, namely, the instantaneous voltage/current comparison method, and a simple privacy amplification scheme, independently and effectively eliminate the info

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26

Dr., Vikas Khare, and Cheshta Jain Khare Dr. "Technical Management Approach in Management Theory and Practice." Journal of Business Analytics and Data Visualization 1, no. 1 (2020): 1–10. https://doi.org/10.5281/zenodo.3742676.

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Since time immemorial, management has been the most important activity as the society has continuously relied on group efforts. There are number of approach in management such as scientific, administrative and bureaucratic, but this paper is based on the technical approach of management. In this paper, behaviour, culture and relationship of an organization is assessed by technical concept such as Kirchhoff’s current and voltage law and some property such as active, passive, unilateral and bilateral. At the end of the paper organization performance is assessed by fault tree analysis, whic

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Szczegielniak, Tomasz, Dariusz Kusiak, and Paweł Jabłoński. "Thermal Analysis of the Medium Voltage Cable." Energies 14, no. 14 (2021): 4164. http://dx.doi.org/10.3390/en14144164.

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The use of high voltage power cables in distribution and transmission networks is still increasing. As a result, the research on the electrical performance of cable lines is still up to date. In the paper, an analytical method of determining the power losses and the temperature distribution in the medium voltage cable was proposed. The main feature of the method is direct including the skin and proximity effects. Then the Joule law is used to express the power losses in the conductor and screen, and the Fourier-Kirchhoff equation is applied to find out the temperature distribution in the cable

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Kish, Laszlo B., and Claes G. Granqvist. "Random-Resistor-Random-Temperature Kirchhoff-Law-Johnson-Noise (RRRT-KLJN) Key Exchange." Metrology and Measurement Systems 23, no. 1 (2016): 3–11. http://dx.doi.org/10.1515/mms-2016-0007.

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AbstractWe introduce two new Kirchhoff-law-Johnson-noise (KLJN) secure key distribution schemes which are generalizations of the original KLJN scheme. The first of these, the Random-Resistor (RR-) KLJN scheme, uses random resistors with values chosen from a quasi-continuum set. It is well-known since the creation of the KLJN concept that such a system could work in cryptography, because Alice and Bob can calculate the unknown resistance value from measurements, but the RR-KLJN system has not been addressed in prior publications since it was considered impractical. The reason for discussing it

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Bansal, Rahul, and Sudipta Majumdar. "Extended Kalman filter-based state estimation of MOSFET circuit." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 38, no. 6 (2019): 1885–903. http://dx.doi.org/10.1108/compel-09-2018-0367.

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Purpose This paper aims to present the estimation of the output voltage of metal oxide semiconductor field effect transistor (MOSFET) using the extended Kalman filter (EKF) method. Design/methodology/approach The method uses EKF for MOSFET output voltage estimation. To implement the EKF method, the state space model has been obtained using Kirchhoff’s current law and Enz-Krummenacher-Vittoz model of the MOSFET circuit. Findings The proposed method can be used for any mode of MOSFET operation besides near the quiescent point region. The nonlinearity that occurs in the saturation region of MOSFE

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Zhang, Xuhui, Hao Tian, Jianan Pan, et al. "Vibration Characteristics and Experimental Research of an Improved Bistable Piezoelectric Energy Harvester." Applied Sciences 13, no. 1 (2022): 258. http://dx.doi.org/10.3390/app13010258.

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Bistable piezoelectric energy harvester (BPEH) can remove mechanical energy waste, which is expected to realize the self-power supply of wireless sensors. To further improve the energy harvesting efficiency, we designed an improved bistable piezoelectric energy harvester (IBPEH). The restoring force model of the composing beam is acquired based on fitting experimental data, and the nonlinear magnetic model is obtained by using the magnetic dipole method. The electromechanical coupling dynamics model of the system is established based on Newton’s second law and Kirchhoff’s law. Based on the con

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Ulul Ilmi, Zaenal Abidin, M. Lais Shofil Muna, et al. "Penyelesaian Rangkaian Listrik Menggunakan Invers dan Eliminasi Gauss Berdasarkan MATLAB." Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika 3, no. 4 (2025): 47–60. https://doi.org/10.61132/jupiter.v3i4.931.

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Solving electrical circuits often requires finding solutions to systems of linear equations, which are derived from fundamental laws like The laws of Kirchhoff and Ohm's law. In this study, two widely known numerical methods are used to solve these systems, Gaussian elimination and matrix inversion. Both methods are applied to the linear equations that represent the electrical circuit network. MATLAB is used to model and solve the circuits with these techniques, making the calculations more efficient and accurate. By employing both methods, we can solve systems of equations for various circuit

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Haag, D., and K. Stergiaropoulos. "Fast thermodynamic simulation of electrical control cabinets via thermal resistor networks." Journal of Physics: Conference Series 2766, no. 1 (2024): 012209. http://dx.doi.org/10.1088/1742-6596/2766/1/012209.

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Abstract A fine-grid Computational Fluid Dynamics (CFD) simulation without thermo-electric coupling provides an accurate prediction of temperatures inside low-voltage control cabinets. But due to its high computational demand and complexity, the approach is not eligible for a widespread use in pre-production design. This study presents a lightweight and robust model based on the thermal-electrical analogy and Kirchhoff’s current law. The thermal resistor network is created for each control cabinet individually. An isothermal coarse-grid CFD simulation is used to approximate flow resistances. C

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Amiri, Mohammad Soleimani, Mohd Faisal Ibrahim, and Rizauddin Ramli. "Optimal parameter estimation for a DC motor using genetic algorithm." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 2 (2020): 1047. http://dx.doi.org/10.11591/ijpeds.v11.i2.pp1047-1054.

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Estimating the parameters of a geared DC motor is crucial in terms of its non-linear features. In this paper, parameters of a geared DC motor are estimated genetically. Mathematical model of the DC motor is determined by Kirchhoff’s law and dynamic model of its shafts and gearbox. Parameters of the geared DC motor are initially estimated by MATLAB/SIMULINK. The estimated parameters are defined as initial values for Genetic Algorithm (GA) to minimize the error of the simulated and actual angular trajectory captured by an encoder. The optimal estimated model of the geared DC motor is validated b

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Saez, Yessica, Laszlo B. Kish, Robert Mingesz, Zoltan Gingl, and Claes G. Granqvist. "Current and voltage based bit errors and their combined mitigation for the Kirchhoff-law–Johnson-noise secure key exchange." Journal of Computational Electronics 13, no. 1 (2013): 271–77. http://dx.doi.org/10.1007/s10825-013-0515-2.

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Huang, Wenya, Zhangyu Lu, Xu Cao, and Yingjun Hou. "Hierarchical Coordinated Energy Management Strategy for Hybrid Energy Storage System in Electric Vehicles Considering the Battery’s SOC." Systems 11, no. 10 (2023): 498. http://dx.doi.org/10.3390/systems11100498.

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This paper combines two types of energy storage components, the battery and supercapacitor (SC), to form a fully active hybrid energy storage system (HESS) as a power source for electric vehicles (EVs). At the same time, a hierarchical coordinated energy management strategy based on model predictive control (HCEMS-MPC) is presented. Firstly, the mathematical model of the fully active HESS is obtained based on Kirchhoff’s law and state-space modeling technology. Secondly, considering the state of charge (SOC) of the battery, a fuzzy-control-based upper-level energy management strategy (EMS) is

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Collado, E., and Y. Saez. "Optimization-Based Strategies for the Error Removal Method in the Ideal, Symmetric KLJN Secure Key Exchanger." Fluctuation and Noise Letters 18, no. 01 (2019): 1950004. http://dx.doi.org/10.1142/s0219477519500044.

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The Kirchhoff’s-Law-Johnson-Noise (KLJN) secure key exchanger is a simple, low-cost scheme that provides symmetric encryption with unconditional security in electronic communication. The key bits are generated based on measurements of the mean-square value of the noise voltage and/or current of the channel between the two communicating parties. In this work, a combined current–voltage measurement mode scenario and an error removal method for the ideal, symmetric KLJN secure key exchanger that uses an identical pair of resistors at both ends of the communication line were considered, which impr

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Aziz, Ahmad Fuad Abdul, Mohd Fakhizan Romlie, and Tun Zainal Azni Zulkifli. "CLL/S Detuned compensation network for electric vehicles wireless charging application." International Journal of Power Electronics and Drive Systems (IJPEDS) 10, no. 4 (2019): 2173. http://dx.doi.org/10.11591/ijpeds.v10.i4.pp2173-2181.

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<span lang="EN-GB">An electric vehicle (EV) can be charged wirelessly through an inductively coupled power transfer system where the system resonates the inductive coupling coil at the operating frequency by means of a compensation network. However, the resonant behaviour implies overcurrent in the inverter MOSFETs during uncoupled and high load resistor conditions, which affect to the inverter MOSFETs failure whenever the current exceeds their maximum current rating. Therefore, this paper presents a CLL/S detuned compensation network for EV wireless charging application to limit the inv

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Ahmad, Fuad Abdul Aziz, Fakhizan Romlie Mohd, and Zainal Azni Zulkifli Tun. "CLL/S detuned compensation network for electric vehicles wireless charging application." International Journal of Power Electronics and Drive System (IJPEDS) 10, no. 4 (2019): 2173–81. https://doi.org/10.11591/ijpeds.v10.i4.pp2173-2181.

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An electric vehicle (EV) can be charged wirelessly through an inductively coupled power transfer system where the system resonates the inductive coupling coil at the operating frequency by means of a compensation network. However, the resonant behaviour implies overcurrent in the inverter MOSFETs during uncoupled and high load resistor conditions, which affect to the inverter MOSFETs failure whenever the current exceeds their maximum current rating. Therefore, this paper presents a CLL/S detuned compensation network for EV wireless charging application to limit the inverter current during the

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Mohammad, Soleimani Amiri, Faisal Ibrahim Mohd, and Ramli Rizauddin. "Optimal parameter estimation for a DC motor using genetic algorithm." International Journal of Power Electronics and Drive System (IJPEDS) 11, no. 2 (2020): 1047–54. https://doi.org/10.11591/ijpeds.v11.i2.pp1047-1054.

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Estimating the parameters of a geared DC motor is crucial in terms of its non-linear features. In this paper, parameters of a geared DC motor are estimated genetically. Mathematical model of the DC motor is determined by Kirchhoff’s law and dynamic model of its shafts and gearbox. Parameters of the geared DC motor are initially estimated by MATLAB/Simulink. The estimated parameters are defined as initial values for Genetic Algorithm (GA) to minimize the error of the simulated and actual angular trajectory captured by an encoder. The optimal estimated model of the geared DC motor is valid

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Krenicky, Tibor, Yury Nikitin, and Pavol Božek. "Model-Based Design of Induction Motor Control System in MATLAB." Applied Sciences 12, no. 23 (2022): 11957. http://dx.doi.org/10.3390/app122311957.

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A mathematical model of induction motor (IM) based on the second Kirchhoff’s law with Maxwell’s equation taken into account has been developed. A mathematical model of a three-phase induction motor with a short-circuited rotor in phase axes without taking into account the saturation of the magnetic circuit and the losses in steel has been elaborated. A nonlinear model of asynchronous motor in the state space in the rotating system (d-q) of coordinates synchronized with the stator flux and a simulation model of IM in MatLab/Simulink software, with the possibility of setting angular velocity of

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Muhammad Ilman, Sofyan, and Febi Ariefka Septian Putra. "Analisis kondisi tunak dan simulasi konverter DC-DC buck-boost." JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) 4, no. 3 (2024): 231–38. https://doi.org/10.35313/jitel.v4.i3.2024.231-238.

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Energi baru terbarukan mengalami perkembangan yang sangat pesat, terutama pada teknologi yang ada pada konverter. Dengan mengalisis operasi kerja dari suatu konverter tersebut, maka kita dapat mengetahui karakteristik dari konverter. Pada penelitian ini penulis melakukan analisis keadaan tunak tegangan keluaran pada konverter DC-DC buck-boost yang mana konverter ini memiliki dua mode kerja saat mengatur besarnya persentase dari duty cycle. Tahap pertama yang dilakukan adalah mencari persamaan ketika sakelar konverter dalam kondisi ON dan OFF kemudian dimodelkan dalam persamaan kirchhoff voltag

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Cho, Yun-Sung, and Yun-Hyuk Choi. "Methodology for Implementing the State Estimation in Renewable Energy Management Systems." Energies 14, no. 8 (2021): 2301. http://dx.doi.org/10.3390/en14082301.

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This paper describes a methodology for implementing the state estimation and enhancing the accuracy in large-scale power systems that partially depend on variable renewable energy resources. To determine the actual states of electricity grids, including those of wind and solar power systems, the proposed state estimation method adopts a fast-decoupled weighted least square approach based on the architecture of application common database. Renewable energy modeling is considered on the basis of the point of data acquisition, the type of renewable energy, and the voltage level of the bus-connect

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Roy, Kuntal. "Energy-Efficient Multiferroic Spin-Devices and Spin-Circuits." SPIN 10, no. 04 (2020): 2030001. http://dx.doi.org/10.1142/s2010324720300017.

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Spin-devices are switched by flipping spins without moving charge in space and this can lead to ultra-low-energy switching replacing traditional transistors in beyond Moore’s law era. In particular, the electric field-induced magnetization switching has emerged to be an energy-efficient paradigm. Here, we review the recent developments on ultra-low-energy, area-efficient, and fast spin-devices using multiferroic magnetoelectric composites. It is shown that both digital logic gates and analog computing with transistor-like high-gain region in the input-output characteristics of multiferroic com

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Zhou, Jiali, Bo Zhang, and Dongyuan Qiu. "An investigation on frequency characteristics of wireless power transfer systems with relay resonators." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 36, no. 6 (2017): 1594–611. http://dx.doi.org/10.1108/compel-12-2016-0538.

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Purpose This paper aims to analyze the frequency characteristics of wireless power transfer (WPT) systems with relay resonators in terms of the power delivered to the load and system efficiency. Based on the analytical results, system parameters can be optimized to achieve maximum power transfer and higher system efficiency. Design/methodology/approach Based on Kirchhoff’s voltage law equations, WPT systems with relay resonators are described by the coupled linear second-order differential equations. Splitting frequencies are estimated by using the matrix theory. In addition, critical coupling

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Kozhevnikov, I.V., F.P. Grosu, and M.K. Bologa. "Characteristics of a Multistage Electrohydrodynamic Converter." Elektronnaya Obrabotka Materialov 54(5) (October 15, 2018): 68–74. https://doi.org/10.5281/zenodo.1464858.

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The results related to the studies of the characteristics of a multi-staged electrohydrodynamic converter (MEHDC) are presented. The scheme of an experimental installation is described; the pressure head, flow rate, and current characteristics, as a function of time and MEHDC supply voltage, are provided. The factors determining the MEHDC parameters and methods of their regeneration are found out.

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Tolmachev, Alexander V., Evgeny V. Sinitsyn, and Dmitrii A. Brusyanin. "Transport system modelling based on analogies between road networks and electrical circuits." R-Economy 1, no. 2 (2019): 92. http://dx.doi.org/10.15826/recon.2019.5.2.010.

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This article describes a probabilistic mathematical model which can be used to analyse traffic flows in a road network. This model allows us to calculate the probability of distribution of vehicles in a regional road network or an urban street network. In the model, the movement of cars is treated as a Markov process. This makes it possible to formulate an equation determining the probability of finding cars at key points of the road network such as street intersections, parking lots or other places where cars concentrate. For a regional road network, we can use cities as such key points. This

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Zorkaltsev, Valeriy. "Refinement and Generalization of Maxwell's Thermal Theorem." System Analysis & Mathematical Modeling 4, no. 4 (2022): 317–42. http://dx.doi.org/10.17150/2713-1734.2022.4(4).317-342.

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In the famous treatise on electricity and magnetism, J.K. Maxwell led to the conclusion that in a passive system of conductors, the current increases sharply in order to approach an increase in heating power. In such cases, Maxwell's thermal gain is valid only for passive electrical circuits when there are no electromotive forces (EMFs). We proposed to change the formulation of the theorem to the statement that the current is distributed in such a way as to minimize the loss of one second of the power for heating. This refinement allows, as shown in the article, to extend such a thermal theore

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Vaskovskaya, Tatyana A., Marina P. Zhokhova, and Kristina S. Roslova. "Computer-Aided Analysis of Unbalanced Operating Conditions in Three-Phase Circuits Containing a Dynamic Load." Vestnik MEI 1, no. 1 (2021): 62–69. http://dx.doi.org/10.24160/1993-6982-2021-1-62-69.

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A new approach to analyzing three-phase circuits in the phase coordinates under unbalanced normal and emergency operating conditions is proposed, in which the information about the three-phase circuit to be analyzed by means of software is entered in a simplified manner. The equivalent circuits of three-phase generators, power lines, and static and dynamic loads are aggregated and considered in a generalized form. With such presentation, the work with a three-phase circuit diagram is significantly simplified even if it contains unbalanced loads, a few faulty sections, and control links in the

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Spanos, P., P. Elsbernd, B. Ward, and T. Koenck. "Estimation of the physical properties of nanocomposites by finite-element discretization and Monte Carlo simulation." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 371, no. 1993 (2013): 20120494. http://dx.doi.org/10.1098/rsta.2012.0494.

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This paper reviews and enhances numerical models for determining thermal, elastic and electrical properties of carbon nanotube-reinforced polymer composites. For the determination of the effective stress–strain curve and thermal conductivity of the composite material, finite-element analysis (FEA), in conjunction with the embedded fibre method (EFM), is used. Variable nanotube geometry, alignment and waviness are taken into account. First, a random morphology of a user-defined volume fraction of nanotubes is generated, and their properties are incorporated into the polymer matrix using the EFM

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Kolesnikov, Evgeniy, Aleksandr Novozhilov, Dilara Rakhimberdinova, Aleksandr Kislov, and Timofey Novozhilov. "Mathematical Model of a Nonlinear Power Transformer for Needs of Relay Protection." Energies 17, no. 7 (2024): 1710. http://dx.doi.org/10.3390/en17071710.

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In this work, a mathematical model of a three-phase nonlinear transformer is suggested. The model enables simulating the transformer operation with allowance for its nonlinearity and covers needs of the relay protection. Our model has been developed on the basis of a mathematical model with phase coordinates, where differential equations are composed by the Kirchhoff’s phase-voltage law. Based on this model, we first compose a mathematical model for simulating steady-state operation modes of a transformer, taking into account the asymmetry and nonlinearity of its ferromagnetic core. In this mo

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