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Journal articles on the topic 'Harmonic Analysis/Applications'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 January 2023

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1

Wu, Shan-He, Imran Abbas Baloch, and İmdat İşcan. "On Harmonically(p,h,m)-Preinvex Functions." Journal of Function Spaces 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/2148529.

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We define a new generalized class of harmonically preinvex functions named harmonically(p,h,m)-preinvex functions, which includes harmonic(p,h)-preinvex functions, harmonicp-preinvex functions, harmonich-preinvex functions, andm-convex functions as special cases. We also investigate the properties and characterizations of harmonically(p,h,m)-preinvex functions. Finally, we establish some integral inequalities to show the applications of harmonically(p,h,m)-preinvex functions.

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2

Filali, Mahmoud. "Harmonic analysis and applications." Kybernetes 41, no. 1/2 (2012): 129–44. http://dx.doi.org/10.1108/03684921211213160.

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3

Christ, Michael, Detlef Müller, and Christoph Thiele. "Real Analysis, Harmonic Analysis and Applications." Oberwolfach Reports 11, no. 3 (2014): 1861–931. http://dx.doi.org/10.4171/owr/2014/34.

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4

Christ, Michael, Detlef Müller, and Christoph Thiele. "Real Analysis, Harmonic Analysis, and Applications." Oberwolfach Reports 14, no. 3 (2018): 2101–64. http://dx.doi.org/10.4171/owr/2017/34.

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5

Christ, Michael, Detlef Müller, Christoph Thiele, and Ana Vargas. "Real Analysis, Harmonic Analysis and Applications." Oberwolfach Reports 17, no. 2 (2021): 961–75. http://dx.doi.org/10.4171/owr/2020/18.

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6

Damjanović, Ivana, Frano Tomašević, Ivica Pavić, Božidar Filipović-Grčić, and Alan Župan. "Harmonic Performance Analysis of Static Var Compensator Connected to the Power Transmission Network." Journal of Energy - Energija 67, no. 2 (2022): 13–22. http://dx.doi.org/10.37798/201867276.

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The static var compensator (SVC) is a device which is designed to compensate reactive power, increase voltage stability and to reduce voltage fluctuations. Thyristor controlled reactors (TCRs) are composed of reactors in series with bidirectional pair of thyristors. Current through reactors can be continuously controlled by changing the firing angle of thyristor valves, thus the inductive power can be easily controlled. Typical applications of TCRs in AC systems are voltage stabilization and temporary overvoltage reduction, stability improvement, damping of power oscillations and load ba

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7

Choe, Boo Rim, Hyungwoon Koo, and Heungsu Yi. "Projections for harmonic Bergman spaces and applications." Journal of Functional Analysis 216, no. 2 (2004): 388–421. http://dx.doi.org/10.1016/j.jfa.2004.02.014.

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8

Odyniec, Michal, and William Overstreet. "New applications of harmonic balance analysis." International Journal of Microwave and Millimeter-Wave Computer-Aided Engineering 5, no. 3 (1995): 224–33. http://dx.doi.org/10.1002/mmce.4570050309.

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9

Ji, Yanpeng, Bin Li, and Jingcheng Sun. "Harmonic Analysis on Torque Ripple of Brushless DC Motor Based on Advanced Commutation Control." Journal of Control Science and Engineering 2018 (2018): 1–9. http://dx.doi.org/10.1155/2018/3530127.

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This paper investigates the relationship between current, back electromotive force (back-EMF), and torque for permanent-magnet brushless DC (PM BLDC) motors under advanced commutation control from the perspective of harmonics. Considering that the phase current is the influencing factor of both torque and torque ripple, this paper firstly analyzes the effects of advanced commutation on phase current and current harmonics. And then, based on the harmonics of the phase current and back-EMF, the torque harmonic expressions are deduced. The expressions reveal the relationship of harmonic order bet

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10

Mekhamer, S. F., A. Y. Abdelaziz, and S. M. Ismael. "Design Practices in Harmonic Analysis Studies Applied to Industrial Electrical Power Systems." Engineering, Technology & Applied Science Research 3, no. 4 (2013): 467–72. http://dx.doi.org/10.48084/etasr.309.

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Power system harmonics may cause several problems, such as malfunctions of electrical equipment, premature equipment failures and plant shutdowns. Accordingly, mitigation of these harmonics is considered an important target especially for industrial applications where any short downtime period may lead to great economic losses. Harmonic analysis studies are necessary to analyze the current and voltage harmonic levels and check if these levels comply with the contractual or international standard limits. If the studies reveal that the preset limits are exceeded, then a suitable harmonic mitigat

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11

Gundy, R. F. "Some martingale inequalities with applications to harmonic analysis." Journal of Functional Analysis 87, no. 1 (1989): 212–30. http://dx.doi.org/10.1016/0022-1236(89)90008-6.

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12

Onal, Yasemin. "Analysis of a new SEPIC AC–DC PFC converter for light emitting diode applications." Emerging Materials Research 11, no. 1 (2022): 51–59. http://dx.doi.org/10.1680/jemmr.21.00061.

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Active power factor correction (PFC) converters are used to increase the power factor and improve the total harmonic distortion as a result of reducing the harmonics in the current. In this paper, a new bridgeless single-ended primary inductor converter (SEPIC) topology used in light emitting diode (LED) load is proposed to obtain near-unity power factor. By eliminating the input bridge in the bridge PFC converter, the total harmonics distortion is improved and a lower cost is obtained. The reactive power control is used to generate the reference current signal in the proposed converter to con

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13

B. Laursen, Kjeld. "Decomposable multipliers and applications to harmonic analysis." Studia Mathematica 101, no. 2 (1992): 193–214. http://dx.doi.org/10.4064/sm-101-2-193-214.

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14

Patterson, S. J. "HARMONIC ANALYSIS ON SYMMETRIC SPACES AND APPLICATIONS." Bulletin of the London Mathematical Society 22, no. 4 (1990): 402–4. http://dx.doi.org/10.1112/blms/22.4.402.

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15

Foreman, M. G. G., J. Y. Cherniawsky, and V. A. Ballantyne. "Versatile Harmonic Tidal Analysis: Improvements and Applications." Journal of Atmospheric and Oceanic Technology 26, no. 4 (2009): 806–17. http://dx.doi.org/10.1175/2008jtecho615.1.

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Abstract New computer software that permits more versatility in the harmonic analysis of tidal time series is described and tested. Specific improvements to traditional methods include the analysis of randomly sampled and/or multiyear data; more accurate nodal correction, inference, and astronomical argument adjustments through direct incorporation in the least squares matrix; multiconstituent inferences from a single reference constituent; correlation matrices and error estimates that facilitate decisions on the selection of constituents for the analysis; and a single program that analyzes on

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16

Dung, Nguyen Thac, and Chiung-Jue Anna Sung. "Analysis of weighted p-harmonic forms and applications." International Journal of Mathematics 30, no. 11 (2019): 1950058. http://dx.doi.org/10.1142/s0129167x19500587.

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In this paper, we study weighted [Formula: see text]-harmonic forms on smooth metric measure space [Formula: see text] with a weighted Sobolev or a weighted Poincaré inequality. When [Formula: see text] is constant, we derive a splitting theorem for Kähler manifolds with maximal bottom spectrum for the [Formula: see text]-Laplacian. For general [Formula: see text] we also obtain various splitting and vanishing theorems when the weighted curvature operator of [Formula: see text] is bounded below. As applications, we conclude Liouville property for weighted [Formula: see text]-harmonic functions

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17

Yahya, Salah I., Abbas Rezaei, and Yazen A. Khaleel. "Design and Analysis of a Wide Stopband Microstrip Dual-band Bandpass Filter." ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY 9, no. 2 (2021): 83–90. http://dx.doi.org/10.14500/aro.10908.

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A novel configuration of a dual-band bandpass filter (BPF) working as a harmonic attenuator is introduced and fabricated. The proposed filter operates at 3 GHz, for UHF and SHF applications, and 6.3 GHz, for wireless applications. The presented layout has a symmetric structure, which consists of coupled resonators. The designing of the proposed resonator is performed by introducing a new LC equivalent model of coupled lines. To verify the LC model of the coupled lines, the lumped elements are calculated. The introduced filter has a wide stopband up to 85 GHz with 28th harmonic suppression, for

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18

Wang, Xiao Bo, Xin Tong Wang, and Jian Huang. "Analysis of Air Power Switch Work under Harmonic." Applied Mechanics and Materials 599-601 (August 2014): 823–26. http://dx.doi.org/10.4028/www.scientific.net/amm.599-601.823.

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With the improvement of people's living standards, a wide variety of home appliances gradually into the ordinary family. In these appliances, there are many various nonlinear loads, nonlinear loads generated in the process of using a large number of high harmonics, and sold on the market are mostly air switch 50Hz power under conditions of use in accordance with the design, which kinds of air switch is suitable for applications in which high harmonic supply. This article will explore this issue through theoretical research and testing methods.

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19

De Haas, W. Bas, José Pedro Magalhães, Frans Wiering, and Remco C. Veltkamp. "Automatic Functional Harmonic Analysis." Computer Music Journal 37, no. 4 (2013): 37–53. http://dx.doi.org/10.1162/comj_a_00209.

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Music scholars have been studying tonal harmony intensively for centuries, yielding numerous theories and models. Unfortunately, a large number of these theories are formulated in a rather informal fashion and lack mathematical precision. In this article we present HarmTrace, a functional model of Western tonal harmony that builds on well-known theories of tonal harmony. In contrast to other approaches that remain purely theoretical, we present an implemented system that is evaluated empirically. Given a sequence of symbolic chord labels, HarmTrace automatically derives the harmonic relations

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20

Coifman, R. R., Y. Meyer, and E. M. Stein. "Some new function spaces and their applications to Harmonic analysis." Journal of Functional Analysis 62, no. 2 (1985): 304–35. http://dx.doi.org/10.1016/0022-1236(85)90007-2.

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21

Bennett, Jonathan, and Neal Bez. "Some nonlinear Brascamp–Lieb inequalities and applications to harmonic analysis." Journal of Functional Analysis 259, no. 10 (2010): 2520–56. http://dx.doi.org/10.1016/j.jfa.2010.07.015.

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22

He, Qiang, Chao Fan, Guang Yang, Huiqi Li, Jiadong Li, and Xiaogang Chen. "Experimental Analysis of Transformer Core Vibration and Noise under Inter-Harmonic Excitation." Applied Sciences 12, no. 3 (2022): 1758. http://dx.doi.org/10.3390/app12031758.

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With the wide application of power electronic devices and nonlinear loads, the resulting inter-harmonic pollution is becoming more and more serious in the power system. As important equipment in power systems, transformers have always been the focus of research. However, there are few studies on the abnormal increase in vibration and noise caused by inter-harmonic excitation. In this work, a transformer core vibration and noise measurement platform that can generate arbitrary inter-harmonic excitations was built. The real-time vibration displacement waveforms of the core model under normal and

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23

Skvortsov. "A-INTEGRAL AND ITS APPLICATIONS IN HARMONIC ANALYSIS." Real Analysis Exchange 25, no. 1 (1999): 115. http://dx.doi.org/10.2307/44153049.

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24

., Y. Seetharama Rao. "HARMONIC ANALYSIS OF COMPOSITE PROPELLER FOR MARINE APPLICATIONS." International Journal of Research in Engineering and Technology 01, no. 03 (2012): 257–60. http://dx.doi.org/10.15623/ijret.2012.0103010.

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25

Stokolos, A. M. "Some Applications of Gallagher's Theorem in Harmonic Analysis." Bulletin of the London Mathematical Society 33, no. 2 (2001): 210–12. http://dx.doi.org/10.1112/blms/33.2.210.

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26

Edwards, D. A. "Some Applications of Choquet Theory to Harmonic Analysis." Journal of the London Mathematical Society 59, no. 2 (1999): 657–68. http://dx.doi.org/10.1112/s0024610799007085.

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27

Runde, Volker. "Applications of operator spaces to abstract harmonic analysis." Expositiones Mathematicae 22, no. 4 (2004): 317–63. http://dx.doi.org/10.1016/s0723-0869(04)80013-6.

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28

Dubiel, S. M., J. Cieślak, and F. E. Wagner. "Harmonic analysis of Mössbauer spectra and its applications." Il Nuovo Cimento D 18, no. 2-3 (1996): 269–73. http://dx.doi.org/10.1007/bf02458903.

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29

Kruchinina, Irina Yu, Yuvenaliy Khozikov, Alexandr Liubimtsev, and Valentina Paltceva. "Harmonic losses in high-speed PM synchronous machines." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 36, no. 3 (2017): 683–91. http://dx.doi.org/10.1108/compel-09-2016-0401.

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Purpose The purpose of this paper is the development of a new numerical method for the calculation of the air-gap magnetic flux harmonics in synchronous machines with permanent magnet (PM) excitation. The harmonic analysis results are used as input data for the eddy-current loss calculation and for the rotor heating evaluation. Design/methodology/approach The method is based on the finite element analysis (FEA). The model takes into account toothed stator design, rotor asymmetrical magnetic reluctance and saturation. At first, a series of static DC magnetic (magnetostatic) simulations is run.

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30

Fuglede, Bent. "Value distribution of harmonic and finely harmonic morphisms and applications in complex analysis." Annales Academiae Scientiarum Fennicae Series A I Mathematica 11 (1986): 111–35. http://dx.doi.org/10.5186/aasfm.1986.1103.

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31

Tayab, U. B., and M. A. Al Humayun. "Modeling and Analysis of a Cascaded Battery-Boost Multilevel Inverter Using Different Switching Angle Arrangement Techniques." Engineering, Technology & Applied Science Research 7, no. 2 (2017): 1450–54. http://dx.doi.org/10.48084/etasr.1094.

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Multilevel inverters have the capability to produce an AC staircase output waveform without using a bulky passive filter. Therefore, the multilevel inverters are gaining more and more popularity, among the different types of inverters, for photovoltaic applications in the modern era of technology. However, if the switching angle arrangement technique is not selected appropriately then the total harmonic distortion of the voltage output waveform may become undesirable. In this paper, Half-Equal-Phase, Feed-Forward and Selective Harmonics Elimination Pulse Width Modulation switching angle arrang

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32

Vivas-Cortez, Miguel, Muhammad Uzair Awan, Muhammad Zakria Javed, Muhammad Aslam Noor та Khalida Inayat Noor. "A Study of Uniform Harmonic χ -Convex Functions with respect to Hermite-Hadamard’s Inequality and Its Caputo-Fabrizio Fractional Analogue and Applications". Journal of Function Spaces 2021 (3 грудня 2021): 1–12. http://dx.doi.org/10.1155/2021/7819882.

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In this paper, we introduce the notion of uniform harmonic χ -convex functions. We show that this class relates several other unrelated classes of uniform harmonic convex functions. We derive a new version of Hermite-Hadamard’s inequality and its fractional analogue. We also derive a new fractional integral identity using Caputo-Fabrizio fractional integrals. Utilizing this integral identity as an auxiliary result, we obtain new fractional Dragomir-Agarwal type of inequalities involving differentiable uniform harmonic χ -convex functions. We discuss numerous new special cases which show that o

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33

Chatterjee, Arunava, Sankar Das, and Debashis Chatterjee. "Modelling and Smart Analysis of an Inverter-Coupled Transformer for Renewable Applications." Modelling, Measurement and Control A 94, no. 1-4 (2021): 8–13. http://dx.doi.org/10.18280/mmc_a.941-402.

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This paper studies modelling and simulation for an inverter coupled transformer and the effects caused by source side harmonics on it. It also provides an insight to smart analysis and control of the same. These harmonics are present in most power electronic sources alike an inverter which is frequently used in renewable applications. The extended effect of source side harmonics on transformer primary can be shown on the transformer core hysteresis curve. The effect of harmonics is observed on the magnetization cycle with an electronic integrator circuit. The research uses a modified hysteresi

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34

Butt, Saad Ihsan, Muhammad Tariq, Adnan Aslam, Hijaz Ahmad, and Taher A. Nofal. "Hermite–Hadamard Type Inequalities via Generalized Harmonic Exponential Convexity and Applications." Journal of Function Spaces 2021 (February 11, 2021): 1–12. http://dx.doi.org/10.1155/2021/5533491.

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In this work, we introduce the idea and concept of m –polynomial p –harmonic exponential type convex functions. In addition, we elaborate the newly introduced idea by examples and some interesting algebraic properties. As a result, several new integral inequalities are established. Finally, we investigate some applications for means. The amazing techniques and wonderful ideas of this work may excite and motivate for further activities and research in the different areas of science.

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35

Vese, Luminita A., and Stanley J. Osher. "Numerical Methods forp-Harmonic Flows and Applications to Image Processing." SIAM Journal on Numerical Analysis 40, no. 6 (2002): 2085–104. http://dx.doi.org/10.1137/s0036142901396715.

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36

Wang, Yifan, and Guozhu Chen. "A multi-valve controlled saturable reactor and its harmonic optimization." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 33, no. 4 (2014): 1346–65. http://dx.doi.org/10.1108/compel-04-2013-0136.

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Purpose – As arc suppression coils (ASCs), magnetically controlled reactors (MCRs) are usually operated in the single-phase mode. Due to the lack of a third order harmonic compensation circuit, the current harmonics are high. The purpose of this paper is to propose a novel structure of MCR and a genetic algorithm (GA) to determine the parameters which will result in minimum total harmonics. Design/methodology/approach – This paper proposes the structure and the working principle of the multi-valve controlled saturable reactor (MCSR). There are several sorts of magnetic valves in the iron cores

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37

Andia Vera, Gianfranco, Yvan Duroc, and Smail Tedjini. "Analysis and exploitation of harmonics in wireless power transfer (H-WPT): passive UHF RFID case." Wireless Power Transfer 1, no. 2 (2014): 65–74. http://dx.doi.org/10.1017/wpt.2014.11.

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This paper discusses novel methodologies for the characterization of harmonic signals generated by wireless powered devices, i.e. passive ultra-high frequency (UHF) radio frequency identification (RFID) tags, due to the wireless power transferred from reader to tag. Theoretical aspects, as well as measurements to characterize these non-linear phenomena are exposed. Particular care is taken to explain the analysis methodology and setup for two kinds of characterization measurements: radiated and conducted. The existence of harmonic signals carrying information is exploited in an advanced applic

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38

Zhou, Xi Wei, Gui Ping Wang, Chen Dong Duan, and Chun Ling Wu. "Parameter Identification and Harmonic Analysis for EV Induction Motor Drive Systems." Applied Mechanics and Materials 135-136 (October 2011): 667–72. http://dx.doi.org/10.4028/www.scientific.net/amm.135-136.667.

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The asynchronous induction motor has obtained more applications in electric vehicle (EV) or hybrid EV drive systems. But, the parameter’s variations of the motor and the harmonics of the voltage source inverter are the two problems influence control performance of EV Drive Systems. Above all, this Paper discusses several main factors which influence harmonics elimination, and then, describes an effective online method for identifying both stator and rotor resistance. The novel method uses Suboptimal Multiple Fading Extended Kalman Filter (SMFEKF) which is a kind of strong tracking filters can

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39

Demirdelen, T., R. I. Kayaalp, and M. Tumay. "A Modular Cascaded Multilevel Inverter Based Shunt Hybrid Active Power Filter for Selective Harmonic and Reactive Power Compensation Under Distorted/Unbalanced Grid Voltage Conditions." Engineering, Technology & Applied Science Research 6, no. 5 (2016): 1133–38. http://dx.doi.org/10.48084/etasr.777.

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In recent years, shunt hybrid active power filters are being increasingly considered as a viable alternative to both passive filters and active power filters for compensating harmonics. In literature, their applications are restricted to balanced systems and low voltage applications and therefore not for industrial applications. This paper investigates the performance of a modular cascaded multilevel inverter based Shunt Hybrid Active Power Filter (SHAPF) for reactive power compensation and selective harmonics elimination under distorted/unbalanced grid voltage conditions in medium voltage lev

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40

Garrett, Paul B. "Book Review: Harmonic analysis on symmetric spaces and applications." Bulletin of the American Mathematical Society 22, no. 1 (1990): 219–31. http://dx.doi.org/10.1090/s0273-0979-1990-15884-7.

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41

Samea, H. "DERIVATIONS ON MATRIX ALGEBRAS WITH APPLICATIONS TO HARMONIC ANALYSIS." Taiwanese Journal of Mathematics 15, no. 6 (2011): 2667–87. http://dx.doi.org/10.11650/twjm/1500406490.

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42

Baklouti, Ali, and Takaaki Nomura. "Geometric and harmonic analysis on homogeneous spaces and applications." Advances in Pure and Applied Mathematics 4, no. 1 (2013): 1–2. http://dx.doi.org/10.1515/apam-2013-0207.

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43

Liu, B. "Adaptive harmonic wavelet transform with applications in vibration analysis." Journal of Sound and Vibration 262, no. 1 (2003): 45–64. http://dx.doi.org/10.1016/s0022-460x(02)01027-1.

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44

Beltran, David, and Jonathan Bennett. "Subdyadic square functions and applications to weighted harmonic analysis." Advances in Mathematics 307 (February 2017): 72–99. http://dx.doi.org/10.1016/j.aim.2016.11.018.

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45

Li, Shanshan, and Minggang Fei. "Deriving Harmonic Functions in Dunkl-Clifford Analysis and Applications." Advances in Applied Clifford Algebras 22, no. 2 (2011): 399–414. http://dx.doi.org/10.1007/s00006-011-0302-8.

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46

Blais, J. A. R., and D. A. Provins. "Spherical harmonic analysis and synthesis for global multiresolution applications." Journal of Geodesy 76, no. 1 (2002): 29–35. http://dx.doi.org/10.1007/s001900100217.

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47

Dil, Ayhan, and Erkan Muniroğlu. "Applications of derivative and difference operators on some sequences." Applicable Analysis and Discrete Mathematics, no. 00 (2020): 30. http://dx.doi.org/10.2298/aadm190908030d.

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In this study, depending on the upper and the lower indices of the hyperharmonic number h(r), nonlinear recurrence relations are obtained. It is shown that generalized harmonic numbers and hyperharmonic numbers can be obtained from derivatives of the binomial coefficients. Taking into account of difference and derivative operators, several identities of the harmonic and hyperharmonic numbers are given. Negative-ordered hyperharmonic numbers are defined and their alternative representations are given.

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48

Jin, Jie, Rong Yi Niu, Dong Liang Gong, and Yan Jin. "Electric Vehicle Charging Battery Swap Station Harmonic Generation and Hazard Control." Advanced Materials Research 608-609 (December 2012): 1022–27. http://dx.doi.org/10.4028/www.scientific.net/amr.608-609.1022.

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Analysis of harmonic generation and hazards of electric vehicle charging/ battery swap station, suitable harmonic control method was proposed. Introduced new low-harmonic charger applications, the calculation of the harmonic content, the harmonic treatment data analysis.

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49

Krishnan, S., N. Ravikumar, P. Thirumal, and R. Balamurali. "Harmonic Analysis of Multilevel H-Bridge Inverter with Reduced Switches for Solar Power Applications." Journal of Computational and Theoretical Nanoscience 17, no. 11 (2020): 4925–29. http://dx.doi.org/10.1166/jctn.2020.9258.

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A multilevel H-bridge dc–ac converter is an electronic device, the multilevel converter enhanced stepped output with less switches. This paper deals with H-Bridge multilevel converter it requires only few switches when compared to traditional method. So in proposed method using only few switches, and it requires less gate triggering circuit. Less switches will operates for certain period of time. The proposed circuit is simulated using MATLAB software in that fast Fourier transform test to find the total harmonic distortion. With the proposed method multilevel converter can be used in solar po

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50

Demirdelen, T., R. I. Kayaalp, and M. Tumay. "Modeling and Analysis of a Multilevel Parallel Hybrid Active Power Filter." Engineering, Technology & Applied Science Research 6, no. 3 (2016): 976–81. http://dx.doi.org/10.48084/etasr.665.

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This paper introduces a new control approach for the Multilevel Parallel Hybrid Active Power Filter (M-PHAPF) which can compensate harmonics and variable reactive power demand of loads by controlling the DC link voltage adaptively in medium voltage applications. By the means of this novel control method, M-PHAPF obtains a better and more efficient performance in the compensation of harmonics and reactive power compared to when using conventional control methods. The performance and stability of the proposed method are verified with a simulation model realized in PSCAD/EMTDC with different case

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