Relevant bibliographies by topics / Electromagnetical systems

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Electromagnetical systems'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Electromagnetical systems"

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Rodriguez, Lara, Christian Pinedo, Igor Lopez, Marina Aguado, Jasone Astorga, Marivi Higuero, Iñigo Adin, Guillermo Bistué, and Jaizki Mendizabal. "Eurobalise-Train communication modelling to assess interferences in railway control signalling systems." Network Protocols and Algorithms 8, no. 1 (May 10, 2016): 58. http://dx.doi.org/10.5296/npa.v8i1.8731.

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The evolution of the railway sector depends, to a great extent, on the deployment of advanced railway signalling systems. These signalling systems are based on communication architectures that must cope with complex electromagnetical environments. This paper is outlined in the context of developing the necessary tools to allow the quick deployment of these signalling systems by contributing to an easier analysis of their behaviour under the effect of electromagnetical interferences. Specifically, this paper presents the modelling of the Eurobalise-train communication flow in a general purpose simulation tool. It is critical to guarantee this communication link since any lack of communication may lead to a stop of the train and availability problems. In order to model precisely this communication link we used real measurements done in a laboratory equipped with elements defined in the suitable subsets. Through the simulation study carried out, we obtained performance indicators of the physical layer such as the received power, SNR and BER. The modelling presented in this paper is a required step to be able to provide quality of service indicators related to perturbed scenarios.
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Chen, Kuo-Shen, Tian-Shiang Yang, and Jui-Feng Yin. "Residual Vibration Suppression for Duffing Nonlinear Systems With Electromagnetical Actuation Using Nonlinear Command Shaping Techniques." Journal of Vibration and Acoustics 128, no. 6 (March 3, 2006): 778–89. http://dx.doi.org/10.1115/1.2203340.

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Residual vibration control is crucial for numerous applications in precision machinery with negligible damping such as magnetically actuated systems. In certain magnetically actuated applications, the systems could also be highly nonlinear and conditionally stable. Although traditional command shaping techniques work well for linear and weakly nonlinear systems, they show little effects for dealing with systems with both strong structural and actuation nonlinearities. In this paper, a general input shaper design methodology for single degree of freedom systems with both Duffing spring and electromagnetic forcing nonlinearities is successfully devised using an energy approach. Following this method, two-step and three-step shapers are developed, which in the linear limit reduce to the traditional zero-vibration (ZV) and zero-vibration-and-derivative (ZVD) shapers, respectively. The robustness of these nonlinear shapers is investigated numerically through several case studies and the results show that the three-step shaper is sufficiently robust to resist significant amounts of parameter variations without exciting significant residual vibration. The two-step shaper, however, is somewhat less robust with respect to parameter variations. Meanwhile, an electromagnetically driven Duffing mechanical system is also constructed so that the performances and robustness of the nonlinear shapers in vibration suppression can be examined. It is shown that the nonlinear shapers result in a significant improvement in residual vibration suppression and settling time reduction in comparison with the traditional linearized ZV and ZVD shapers.
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Fang, Daoyuan, Xiaojun Lu, and Michael Reissig. "High-order energy decay for structural damped systems in the electromagnetical field." Chinese Annals of Mathematics, Series B 31, no. 2 (February 2, 2010): 237–46. http://dx.doi.org/10.1007/s11401-008-0185-8.

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Aikeyeva, Altyn A., Bakhyt A. Zhautikov, Kanat M. Makhanov, Aigerim R. Tanskozhanova, Perizat A. Mukhtarova, and Arailym E. Ayubekova. "The Development of Control Systems Electromagnetic Lifting Installation." International Journal of Materials, Mechanics and Manufacturing 6, no. 1 (February 2018): 45–50. http://dx.doi.org/10.18178/ijmmm.2018.6.1.345.

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Lim, Ik-Sung, Robert O. Grondin, and Samir El-Ghazaly. "Ensemble Monte Carlo and Full-Wave Electrodynamic Models Implemented Self-Consistently on a Parallel Processor Using Perfectly Matched Layer Boundary Conditions." VLSI Design 8, no. 1-4 (January 1, 1998): 129–33. http://dx.doi.org/10.1155/1998/97242.

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We have been using a self-consistent formulation of full-wave electromagnetic solvers and ensemble Monte Carlo techniques to model ultrafast photoconductivity. Our simulations are running on a MasPar machine. This paper will address aspects ofthis simulation which may interest workers who are simulating not only photoconductive systems but other systems as well which involve electrodynamics, waves and wave phenomena and ensemble Monte Carlo transport models. In particular, we will report on the inclusion of perfectly matched layer approaches to absorbing boundary conditions for electromagnetic waves. These have in the past several years become widely used in computational electromagnetics codes because they reduce error due to spurious numerical wave reflection off of an absorbing boundary by several orders of magnitude. We will also address the issue of computational cost and show that a full-wave electromagnetic approach is more competitive with a Poisson's equation approach than one might believe. Lastly, our system has the feature that the active portion where the electrons and holes lie is in fact a small fraction of the total experimental system's volume. Unless care is exerted one either has a very significant load imbalance problem or high communications overhead. We compare two different tradeoffs between load imbalance and communications overhead.
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Zanatta, Ana Paula, Ben Hur Bandeira Boff, Paulo Roberto Eckert, Aly Ferreira Flores Filho, and David George Dorrell. "Tubular linear permanent magnet synchronous machine applied to semi-active suspension systems." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 37, no. 5 (September 3, 2018): 1781–94. http://dx.doi.org/10.1108/compel-01-2018-0022.

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Purpose Semi-active suspension systems with electromagnetic dampers allow energy regeneration and the required control strategies are easier to implement than the active suspensions are. This paper aims to address the application of a tubular linear permanent magnet synchronous machine for a semi-active suspension system. Design/methodology/approach Classical rules of mechanics and electromagnetics were applied to describe a dynamic model combining vibration and electrical machines theories. A multifaceted MATLAB®/Simulink model was implemented to incorporate equations and simulate global performance. Experimental tests on an actual prototype were carried out to investigate displacement transmissibility of the passive case. In addition, simulation results were shown for the dissipative semi-active case. Findings The application of the developed model suggests convergent results. For the passive case, numerical and experimental outcomes validate the parameters and confirm system function and proposed methodology. MATLAB®/Simulink results for the semi-active case are consistent, showing an improvement on the displacement transmissibility. These agree with the initial conceptual thoughts. Originality/value The use of linear electromagnetic devices in suspension systems is not a novel idea. However, most published papers on this subject outline active solutions, neglect semi-active ones and focus on experimental studies. However, here a dynamic mechanical-electromagnetic coupled model for a semi-active suspension system is reported. This is in conjunction with a linear electromagnetic damper.
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CROWNE, FRANK J., WILLIAM M. GOLDING, and CLIFFORD HAZELTON. "TERAHERTZ-BASED DETECTORS USING COLD-ATOM OPTICS." International Journal of High Speed Electronics and Systems 17, no. 04 (December 2007): 789–800. http://dx.doi.org/10.1142/s0129156407004989.

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In this paper we explore the design of microwave-based structures that can enhance the interaction of electromagnetic fields with cold-atom ensembles, leading to novel sensing modalities based on the quantum-mechanical behavior of these systems. In particular, we discuss electromagnetically-induced transparency in a single uncondensed cold-atom cloud, and a two-cloud version of a SQUID, where the clouds are BEC's and take the place of the weakly coupled superconductors. These systems are both promising candidates for use in the high-precision detection of chemical contaminants.
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GHERMAN, Laurian, Marian PEARSICA, Constantin STRÎMBU, and Cristian-George CONSTANTINESCU. "A THEORETICAL APPROACH OF A NEW ELECTROMAGNETIC LAUNCH SYSTEM." Review of the Air Force Academy 14, no. 2 (December 8, 2016): 69–82. http://dx.doi.org/10.19062/1842-9238.2016.14.2.9.

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Cherno, O. O., and M. Yu Monchenko. "ENERGY EFFICIENCY OF THE VIBRATORY DEVICE ELECTROMAGNETIC DRIVE SYSTEM." Tekhnichna Elektrodynamika 2016, no. 1 (January 22, 2016): 20–25. http://dx.doi.org/10.15407/techned2016.01.020.

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Sun, Yi, Wenzhong Lou, Hengzhen Feng, and Yuecen Zhao. "Study on Characteristics of Electromagnetic Coil Used in MEMS Safety and Arming Device." Micromachines 11, no. 8 (July 31, 2020): 749. http://dx.doi.org/10.3390/mi11080749.

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Traditional silicon-based micro-electro-mechanical system (MEMS) safety and arming devices, such as electro-thermal and electrostatically driven MEMS safety and arming devices, experience problems of high insecurity and require high voltage drive. For the current electromagnetic drive mode, the electromagnetic drive device is too large to be integrated. In order to address this problem, we present a new micro electromagnetically driven MEMS safety and arming device, in which the electromagnetic coil is small in size, with a large electromagnetic force. We firstly designed and calculated the geometric structure of the electromagnetic coil, and analyzed the model using COMSOL multiphysics field simulation software. The resulting error between the theoretical calculation and the simulation of the mechanical and electrical properties of the electromagnetic coil was less than 2% under the same size. We then carried out a parametric simulation of the electromagnetic coil, and combined it with the actual processing capacity to obtain the optimized structure of the electromagnetic coil. Finally, the electromagnetic coil was processed by deep silicon etching and the MEMS casting process. The actual electromagnetic force of the electromagnetic coil was measured on a micro-mechanical test system, compared with the simulation, and the comparison results were analyzed.
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Dissertations / Theses on the topic "Electromagnetical systems"

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Yao, Shun. "Origami Reconfigurable Electromagnetic Systems." FIU Digital Commons, 2017. https://digitalcommons.fiu.edu/etd/3514.

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With the ever-increasing demand for wireless communications, there is a great need for efficient designs of electromagnetic systems. Reconfigurable electromagnetic systems are very useful because such designs can provide multi-functionality and support different services. The geometrical topology of an electromagnetic element is very important as it determines the element’s RF performance characteristics. Origami geometries have significant advantages for launch-and-carry electromagnetic devices where devices need to fold in order to miniaturize their size during launch and unfold in order to operate after the platform has reached orbit. This dissertation demonstrates a practical process for designing reconfigurable electromagnetic devices using origami structures. Four different origami structures are studied and the integrated Mathematical-Computational-Electromagnetic models of origami antennas, origami reflectors and origami antenna arrays are developed and analyzed. These devices provide many unique capabilities compared with the traditional designs, such as band-switching, frequency tuning, polarization adjustment and mode reconfigurability. Prototypes are also manufactured to validate the performances of the designs. These designs change their geometry naturally, and they can be compactly packaged into small volume, which make them very suitable for spaceborne and satellite communication. Origami antennas and origami electromagnetics are expected to impact a variety of applications related to communications, surveillance and sensing.
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Thierauf, Rainer Georg. "A Lagrangian for a system of two dyons." PDXScholar, 1988. https://pdxscholar.library.pdx.edu/open_access_etds/3840.

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Maxwell's equations for the electromagnetic field are symmetrized by introducing magnetic charges into the formalism of electrodynamics. The symmetrized equations are solved for the fields and potentials of point particles. Those potentials, some of which are found to be singular along a line, are used to formulate the Lagrangian for a system of two dyons (particles with both electric and magnetic charge). The equations of motion are derived from the Lagrangian. It is shown that the dimensionality constants k and k * , which we r e introduced to define the units of the electromagnetic fields, have to be equal in order to avoid center of mass acceleration in the two dyon system.
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Hong, Jia-Sheng. "Electromagnetic forces in flexible systems." Thesis, University of Oxford, 1994. http://ora.ox.ac.uk/objects/uuid:ab6b986e-7b24-4fee-9410-aa4e92249b03.

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Some problems in electro dynamics have been studied in the light of electromagnetic field theory and computational techniques. One is that of the retrograde motion of the electric arc – an old and intriguing problem of physics. A more complete model based on electrodynamics has been proposed for study of this problem. In this model, the plasma column is treated as a flexible conductor. The associated 3-dimensional boundary-value problem was solved by the boundary element method (BEM). It has been shown that the retrograde motion can indeed be understood in terms of electrodynamics and a number of the reported features of this phenomenon have been explained by the proposed model. The others are concerned with a recent controversy in electrodynamics. It has been discussed in the thesis that Lorentz and Ampere force laws are equivalent in the sense of magnetostatics provided that the latter is appropriately used. The interactions of electromagnetic forces on the systems of the electromagnetic jet propulsion and the electromagnetic impulse pendulum have been examined. It turns out that the observations are consistent with the laws of electromagnetic energy and momentum. Two aspects of the water-arc explosion problem have been studied. One is the electromagnetic (EM) aspect which is calculated by the method of separation of the variables, the other is the magnetohydrodyuamic (MHD) aspect which is solved by the finite difference method (FDM). The numerical results of the two aspects show that neither the pure EM model nor the MHD model for the incompressible fluid could explain the explosive phenomenon; this strongly suggests that the shock wave produced by the under-water arc must account for the phenomenon. On the wire fragmentation, a preliminary study has shown that this phenomenon could be caused by the electromagnetically driven stress waves and a theoretical model has been proposed for further investigation. This is described in an Appendix to the thesis.
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Davis, Aaron Charles, and aaron davis@rmit edu au. "Quantitative Characterisation of Airborne Electromagnetic Systems." RMIT University. Applied Physics, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080723.103030.

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I address the geometric problem of the pendulum-like swinging of towed birds for AEM platforms. I establish a link between actual observed bird swing and its effect on survey data for two different systems and explain the link by a model that compares actual survey data to the calculated mutual inductance coupling of a dipole pair over an infinitely conductive half space, which pair is permitted arbitrary pitch, roll and altitude changes. I develop a non-linear filter that removes bird swing effects from survey data which successfully corrected data from 3 different AEM surveys. Calibration of several different time domain AEM systems is attempted using an accurately laid out and surveyed, closed, multi-turn loop of known resistance and self-inductance that is placed on - but insulated from - resistive ground. I derive a rigourous mathematical model that predicts airborne receiver's response to the coupling to the transmitter current waveform and total system geometry. The method was proven to be successful over resistive ground, with significant system problems identified such as: altimetry error, spatial averaging of data during postprocessing, error in the predicted horizontal position of the AEM platform, receiver windowing and timing errors and bird swing. I show that, although we can calibrate a time domain AEM system for a single flyover, it is impossible to calibrate an AEM system for geometry. As an intermediate step in the calibration process, I show that by monitoring the current induced in the ground loop we can obtain the waveform of the AEM transmitter current throu gh deconvolution in the Fourier domain. Simple and cost effective methods for the improvement of quantitative AEM data are presented in this thesis. However, until the geometry problem of AEM platforms is solved, full system calibration will not be obtained and filters will need to be applied to the data. I recommend the use of: GPS antennas mounted on all towed birds, able to be post-processed for accurate position recovery, reliable bird-mounted scanning altimeters that do not rely on range-finding technology but instead employ a shortest path algorithm, pitch and roll sensors mounted on the trailed bird and the measurement of airspeed of both the towed bird and the aircraft during surveys.
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Enohnyaket, Mathias. "Electromagnetic characterization of power electronic systems." Doctoral thesis, Luleå tekniska universitet, EISLAB, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17800.

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Propelled by increased global awareness and demand for clean energy systems, there is a growing trend in transportation, utility, industrial, and residential applications towards the utilisation of power electronic systems with enhanced power ow controllability and eciency. Examples of power electronics applications include terminal converters in high-voltage direct Current (HVDC) transmission; exible AC transmission systems (FACTS); and converters to interface alternative energy systems such as wind turbines to the grid, variable-speed motor drives in pump systems, vehicular propulsion systems, air-conditioners, and refrigerators.The basic functionality of power electronic components is achieved by switching high voltages and currents. Recent advancements in semiconductor technology have significantly improved the current and voltage handling capabilities and the switching frequencies of power electronic devices. However, this rapid switching of high currents and voltages in turn generates electromagnetic disturbances that could distort the functionality of the power electronic equipment and other devices in the vicinity. Electromagnetic compatibility (EMC) regulations and functionality requirements impose restrictions on the design of power electronic systems. To design robust power electronic systems, a thorough understanding of the related electromagnetic issues is required.This thesis focuses on the EMC characterisation of power electronic systems and contains two major phases.In the first phase, the high frequency characterisation of air-core reactors was considered. Air-core reactors are typically used in power systems for current limiting, ltering, shunting, and neutral grounding applications. It is of interest to understand the behaviour of air-core reactors in the presence of high frequency signals, especially from switching operations in the power electronic components. Using the partial element equivalent circuit (PEEC) approach, air-core reactor models, helpful in design and electromagnetic analysis, were created. The PEEC models were able to predict the current and voltage distributions and the eventual electromagnetic emissions at different frequencies. The second phase involved the characterisation of electromagnetic emissions from PWM drives using both modeling and measurement. A case study was performed on a prototype hybrid electric vehicle (HEV). Typically, emissions from PWM drives are expected at harmonics of the PWM switching frequency (fc) and harmonics of the fundamental frequency (f0) of the phase voltages. In this study, it was established that space vector PWM drives generate low-frequency pulsating (LFP) emissions at a frequency of 6f0. The switching of voltage vectors generates common mode current spikes because of the presence of stray capacitances and inductances. The spikes superpose across sector boundaries, forming spikes of double or triple amplitude that constitute the LFP emissions. The amplitudes of these ulsations were shown to be dependent on the drive parameters, such as the load, the speed, and the voltage slew rates. These common mode emissions enhance the emissions at harmonics of the switching frequency, create low-frequency emissions, and when injected into an electric motor, could cause torque pulsations and speed uctuations that may degrade drive functionality. Measurements from an HEV prototype show the LFP emissions, and theoretical models were developed to characterise them.

Godkänd; 2010; 20100826 (mathen); DISPUTATION Ämnesområde: Industriell elektronik/Industrial Electronics Opponent: Professor Mats Alaküla, Lund University and Volvo Car AB Ordförande: Professor Jerker Delsing, Luleå tekniska universitet Tid: Torsdag den 30 september 2010, kl 09.30 Plats: A1514 Demostudion, Luleå tekniska universitet


EM Karaktärisering och Modellering av Elektriska Hybriddrivsystem
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Lim, Chan-Ping Edwin. "Computational electromagnetic modeling for wireless channel characterization." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1158607443.

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Huang, Yi. "The investigation of chambers for electromagnetic systems." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359474.

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Sakaguchi, Aya S. M. Massachusetts Institute of Technology. "Micro-electromagnetic formation flight of satellite systems." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/39708.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, June 2007.
Includes bibliographical references (p. 93-94).
Electromagnetic formation flight (EMFF) investigates the concept of using electromagnets to provide the forces to maintain a satellite's relative position in a formation. Thus far, high temperature superconducting (HTS) wire has been considered the enabling technology and the concept has been sized for aggressive maneuvering over large distances with concepts such as terrestrial planet finder in mind. A nominal mode of operation, of simply keeping a fleet of satellites within a volume, calls for a simpler system. Micro-EMFF (pEMFF) investigates the use of conventional conductors, capacitors and solar cells for use on formations at small separation distances and requiring small forces. Simple one-dimensional models investigate this concept and the optimal mass implementations are compared to traditional propulsion systems as well as HTS EMFF and shown to be advantageous in close proximity formations. Because the forces involved with pEMFF are so small, a mobile-like device was built to validate the simple models and to allow for the further investigation of control algorithms. Overall, this thesis proves the viability of the pEMFF concept in close proximity, small force requiring formations.
by Aya Sakaguchi.
S.M.
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Luo, Chiyan 1979. "Anomalous photon phenomena in electromagnetic crystal systems." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/29451.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2004.
Includes bibliographical references (p. 141-151).
In 2000, a composite material was fabricated in the gigahertz range that appeared to exhibit simultaneously negative values of permittivity and permeability. Such substances were known as "left-handed materials," and had been predicted to enable a variety of anomalous electromagnetic effects. Intense interests have developed in these materials after microwave negative refraction was experimentally observed in 2001. During the same period, a series of experiments was carried out reporting remark- able optical refraction phenomena in periodically modulated dielectric structures. A super-sensitive dependence on incidence parameters called "the superprism effect" was observed and interpreted using the anomalous group velocities in these structures. Negative refractive indices were also demonstrated and explained in terms of the backward-wave effects. Through theoretical and computational means, this research studies anomalous light phenomena in electromagnetic crystals. First, negative refraction of light is shown to be possible inside two-dimensional structures without requiring the backward- wave condition. The analysis is then extended to three-dimensional systems to predict a crystal enabling negative refraction for all incident directions. Second, transmission of evanescent waves through electromagnetic-crystal slabs is studied, and a general result is established linking bound slab resonance states to an amplification effect of evanescent waves.
(cont.) This theory is then combined with negative refraction to study the Veselago-Pendry superlensing effect, and a subwavelength focusing effect beating the classical diffraction limit is found. Third, it is proposed that the superprism effect may occur based purely on phase velocities. This effect can produce a magnitude of dispersion similar to that based on group velocities, making beam-steering possible in free space. Fourth, the analysis of light propagation is applied to the radiation from charged particles traveling through electromagnetic crystals. It is found that when coupled with Smith-Purcell radiation, Cherenkov radiation can occur with a reversed direction of propagation or a reversed radiation cone. Fifth, a model is constructed to simulate the thermal radiation from photonic crystals directly. Electromagnetic crystals are found to bring significant enhancement to the emissivity, with potential applications in thermal photovoltaic and incandescent lighting sources.
by Chiyan Luo.
Ph.D.
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Tassoudji, Mohammad Ali. "Electromagnetic interference in electronic circuits and systems." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/35392.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.
Includes bibliographical references (p. 191-198).
by Mohammad Ali Tassoudji.
Ph.D.
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Books on the topic "Electromagnetical systems"

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Electromagnetics for engineers: With applications to digital systems and electromagnetic interference. Hoboken, NJ: John Wiley & Sons, 2004.

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Polarization in electromagnetic systems. Boston: Artech House, 1992.

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A, Nasar S., ed. Linear motion electromagnetic systems. New York: Wiley, 1985.

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Baldomir, D. Geometry of electromagnetic systems. Oxford: Clarendon Press, 1996.

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Electromagnetic fields in biological systems. Boca Raton: Taylor & Francis, 2011.

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Chowdhuri, Pritindra. Electromagnetic transients in power systems. 2nd ed. Baldock, Hertfordshire, England: Research Studies Press, 2004.

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Lin, James C. Electromagnetic Interaction with Biological Systems. Boston, MA: Springer US, 1989.

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Sirenko, Yuriy, and Lyudmyla Velychko, eds. Electromagnetic Waves in Complex Systems. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-31631-4.

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Lin, James C., ed. Electromagnetic Interaction with Biological Systems. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4684-8059-7.

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C, Lin James, and International Union of Radio Science. General Assembly, eds. Electromagnetic interaction with biological systems. New York: Plenum Press, 1989.

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Book chapters on the topic "Electromagnetical systems"

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Duman, Mehmet. "Prevention of Electromagnetic Impurities by Electromagnetics Intelligence." In Trends in Data Engineering Methods for Intelligent Systems, 183–89. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-79357-9_18.

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Nakanishi, Toshihiro, and Masao Kitano. "Meta-atoms Emulating Quantum Systems." In Electromagnetic Metamaterials, 169–85. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8649-7_11.

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Kanekawa, Nobuyasu, Eishi H. Ibe, Takashi Suga, and Yutaka Uematsu. "Electromagnetic Compatibility." In Dependability in Electronic Systems, 65–89. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-6715-2_3.

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Novik, Oleg, Feodor Smirnov, and Maxim Volgin. "String–Diffusion Systems of Equations." In Electromagnetic Geophysical Fields, 139–69. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-98461-2_9.

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Arrillaga, J., and N. R. Watson. "Electromagnetic Transients." In Computer Modelling of Electrical Power Systems, 161–227. West Sussex, England: John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118878286.ch6.

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Messenger, George C., and Milton S. Ash. "Electromagnetic Pulse." In The Effects of Radiation on Electronic Systems, 326–68. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-017-5355-5_8.

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Di Paolo Emilio, Maurizio. "Electromagnetic Transducers." In Microelectronic Circuit Design for Energy Harvesting Systems, 37–45. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-47587-5_4.

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Leitgeb, Norbert. "Electromagnetic Hypersensitivity." In Advances in Electromagnetic Fields in Living Systems, 167–97. New York, NY: Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-92736-7_5.

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Nagata, Makoto, Nobuyuki Yamasaki, Yusuke Kumura, Shuma Hagiwara, and Masayuki Inaba. "Electromagnetic Noises." In VLSI Design and Test for Systems Dependability, 129–61. Tokyo: Springer Japan, 2018. http://dx.doi.org/10.1007/978-4-431-56594-9_4.

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Redford, Ken M. "Spacecraft Electromagnetic Compatibility Engineering." In Spacecraft Systems Engineering, 527–43. Chichester, UK: John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9781119971009.ch16.

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Conference papers on the topic "Electromagnetical systems"

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Soleil, Daniel, and Alain Alcaras. "Electromagnetical Environment and Safety for Large Sensitive Systems a New Approach and First Solutions." In 2007 7th International Symposium on Electromagnetic Compatibility and Electromagnetic Ecology. IEEE, 2007. http://dx.doi.org/10.1109/emceco.2007.4371652.

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Sit'ko, Sergey P. "Living systems as macroscopic quantum-mechanical subjects having self-consistent synergetical mm-wave electromagnetical potential." In International Conference on Millimeter and Submillimeter Waves and Applications 1994. SPIE, 1994. http://dx.doi.org/10.1117/12.2303184.

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Klima, Petr, Cestmir Ondrusek, Martin Mach, and Petr Losak. "Effect of solid rotor slit dimensions on electromagnetical and mechanical properties of induction machine." In 2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe). IEEE, 2020. http://dx.doi.org/10.1109/eeeic/icpseurope49358.2020.9160598.

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Holopainen, Timo P. "Simple Electromagnetic Force Model for Industrial Rotordynamic Analyses of Electrical Machines." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86468.

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Electromagnetic fields in the air gap of an electric machine produce electromagnetic forces between the rotor and stator. These forces couple the electromagnetic system to the mechanical one. This electromechanical interaction may change the dynamic behavior of the rotor system. To control the rotordynamics of electrical machines, it is important to predict the effects of electromechanical interaction between the rotor and stator. The aim of this paper is to introduce a practical method to include electromechanical interaction in rotordydynamics of electrical machines. This aim is achieved by transforming the frequency response function of the unbalanced-magnetic-pull presenting the electromagnetic forces into the form of electromagnetically induced stiffness and damping matrices. The results calculated by this method were compared to the results obtained by a previous calculation method and experimental results. This comparison confirmed that the prediction capability of the developed method is excellent. Finally, the evaluated stiffness and damping matrices obtained by using the developed method can be easily inserted to the general purpose rotordynamic codes, which means that the effects of electromechanical interaction of real machines can be evaluated in a straightforward manner.
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Li, Sheng-Wei, Sung-Yu Tsai, and Jen-Yuan (James) Chang. "Parametric Study of a Non-Contact Brake Actuator Using Magneto-Rheological Fluid." In ASME 2016 Conference on Information Storage and Processing Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/isps2016-9592.

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Brake has a long engineering development history and has been widely applied on mechanical components from abstain from dynamic motion. There are many different types of brake mechanism, such as using tension cable, hydraulics and electronics. According to Automotive Research and Testing Center in Taiwan [1], electronics brake is becoming a very popular and is the main stream solution for brake mechanism. In addition, electronics brake using electromagnetic field for actuating power source has been widely developed in the recent years. However, brake system with smart fluid (i.e. Magneto-Rheological or Electro-Rheological Fluid) as brake mechanism has not been a common research development topic until recent year. The world’s first commercial MR fluid brake was invented by Lord Corp. [2] which was shown in Fig. 1. In 2003, Li, W. H and Du, H. has proposed an idea of applying electromagnetic as the source of excitation for the MR fluid brake [3]. However, a significant problem has been pointed out by the research suggesting that thermal effect is the major issue in preventing the MR fluid from performing the designed task. Evidently, heat is generated when the electric current passes through the coil of the electromagnetics.
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Shan Wan, Lei Zhang, and Qijun Zhang. "Application of artificial neural networks for electromagnetic modeling and computational electromagnetics." In 2008 51st IEEE International Midwest Symposium on Circuits and Systems (MWSCAS). IEEE, 2008. http://dx.doi.org/10.1109/mwscas.2008.4616906.

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Kasperovich, Irina, and Andrew L. Drozd. "Stochastic characterization of aircraft digital avionics electromagnetic vulnerability: A statistical electromagnetics approach." In 2013 IEEE/AIAA 32nd Digital Avionics Systems Conference (DASC). IEEE, 2013. http://dx.doi.org/10.1109/dasc.2013.6712562.

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Kasperovich, Irina, and Andrew Drozd. "Stochastic characterization of aircraft digital avionics electromagnetic vulnerability: A statistical electromagnetics approach." In 2013 IEEE/AIAA 32nd Digital Avionics Systems Conference (DASC). IEEE, 2013. http://dx.doi.org/10.1109/dasc.2013.6719641.

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Jayaram, Sankar, Uma Jayaram, and Craig Palmer. "Design of an Automated Calibration System for Electromagnetic Tracking Systems." In ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-50136.

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Electromagnetic tracking systems used in virtual reality applications are subject to tracking error due to magnetic field distortions caused by metallic objects in the environment. The goal of this research was to create and evaluate an automated data collection systems and calibration methods to allow a hands-free calibration of a complex space with multiple physical objects in the environment. The need was for a suitable device to automatically collect data points for the physical reference system without causing further distortion to the magnetic field. The calibration device was designed in order to accurately position the electromagnetic receiver at user-specified grid points throughout the tracking environment, thereby allowing the calculation of position and orientation error at each location. Novel methods were created to avoid collision of the automated calibration device with objects in the environment. The tests showed that the density of calibration and the flexibility achieved with this device far exceed any previous methods used. This research built on our previous efforts to create a software system to assist in manual data collection for calibration.
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Pei, Yalu, Yilun Liu, and Lei Zuo. "Regenerative Base Isolation With Multi-Resonant Electromagnetic Shunt Dampers." In ASME 2017 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/dscc2017-5111.

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Electromagnetic (EM) shunt damping has been recently proposed for dual-functional vibration isolation and energy harvesting. This paper proposed two multi-resonant electromagnetic shunt damper configurations, namely in parallel and in series, with application to the building base isolation system. The electromagnetic shunt circuit parameters were optimized based on the H2 criteria to minimize the RMS relative displacement for the concern of building safety subjected to broad bandwidth ground acceleration excitations. The performance of the proposed multi-resonant electromagnetic shunt dampers was compared with traditional multiple tuned mass dampers (TMDs). It shows that, for multiple TMDs and multi-resonant electromagnetic shunt dampers with 5% total stiffness ratio, the parallel electromagnetic shunt damper can achieve the best vibration isolation performance. Case study of a base-isolated structure was analyzed in both the time and frequency domain to investigate the effectiveness of the multimode electromagnetic shunt resonances. It shows that both multimode shunt circuits outperform the single mode shunt circuit by suppressing the primary and the second vibration modes simultaneously. Comparatively, the parallel shunt damper is more effective in vibration isolation and energy harvesting, and is also more robust in parameter mistuning than the series shunt damper. This paper further experimentally validated the effectiveness of the multi-resonant electromagnetic shunt damper on a scaled-down base-isolated building.
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Reports on the topic "Electromagnetical systems"

1

Best, M. E., and T. G. T. Bremner. The Sweepem Airborne Electromagnetic System. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/122349.

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Erickson, Grant. Electromagnetic Effects on System Reliability. Fort Belvoir, VA: Defense Technical Information Center, February 2000. http://dx.doi.org/10.21236/ada375135.

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Thornell, Travis, Charles Weiss, Sarah Williams, Jennifer Jefcoat, Zackery McClelland, Todd Rushing, and Robert Moser. Magnetorheological composite materials (MRCMs) for instant and adaptable structural control. Engineer Research and Development Center (U.S.), November 2020. http://dx.doi.org/10.21079/11681/38721.

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Magnetic responsive materials can be used in a variety of applications. For structural applications, the ability to create tunable moduli from relatively soft materials with applied electromagnetic stimuli can be advantageous for light-weight protection. This study investigated magnetorheological composite materials involving carbonyl iron particles (CIP) embedded into two different systems. The first material system was a model cementitious system of CIP and kaolinite clay dispersed in mineral oil. The magnetorheological behaviors were investigated by using parallel plates with an attached magnetic accessory to evaluate deformations up to 1 T. The yield stress of these slurries was measured by using rotational and oscillatory experiments and was found to be controllable based on CIP loading and magnetic field strength with yield stresses ranging from 10 to 104 Pa. The second material system utilized a polystyrene-butadiene rubber solvent-cast films with CIP embedded. The flexible matrix can stiffen and become rigid when an external field is applied. For CIP loadings of 8% and 17% vol %, the storage modulus response for each loading stiffened by 22% and 74%, respectively.
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Pennock, S. T., and G. W. Laguna. Using the TSAR Electromagnetic modeling system. Office of Scientific and Technical Information (OSTI), September 1993. http://dx.doi.org/10.2172/10193437.

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Moloney, J. V. Large Scale Electromagnetic Computation on Nonlinear Optical Systems. Fort Belvoir, VA: Defense Technical Information Center, February 1998. http://dx.doi.org/10.21236/ada384343.

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Deline, Chris, and Geoff Dann. Renewable Energy, Photovoltaic Systems Near Airfields. Electromagnetic Interference. Office of Scientific and Technical Information (OSTI), April 2015. http://dx.doi.org/10.2172/1215061.

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Dann, Geoff, and Chris Deline. Renewable Energy, Photovoltaic Systems Near Airfields: Electromagnetic Interference. Fort Belvoir, VA: Defense Technical Information Center, April 2015. http://dx.doi.org/10.21236/ada627632.

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Kowalczyk, K. R. Operation of Digital Systems in Severe Electromagnetic Environments. Fort Belvoir, VA: Defense Technical Information Center, June 1993. http://dx.doi.org/10.21236/ada267176.

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Gibson, B. F. Calculation of electromagnetic observables in few-body systems. Office of Scientific and Technical Information (OSTI), October 1986. http://dx.doi.org/10.2172/6930874.

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Riggs, Lloyd S. Characterization of Pulsed Electromagnetic Induction (EMI) System. Fort Belvoir, VA: Defense Technical Information Center, April 2007. http://dx.doi.org/10.21236/ada482403.

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