Bibliografie tematiche / Electromagnetic

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Letteratura scientifica selezionata sul tema "Electromagnetic"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 1 giugno 2024

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Articoli di riviste sul tema "Electromagnetic"

1

Achille Ecladore, Tchahou Tchendjeu, Yungho Edickson Bobo e Nfah Eustace Mbaka. "Design and Realization of a Controlled Electromagnetic Breaking System". Journal of Engineering 2023 (14 agosto 2023): 1–12. http://dx.doi.org/10.1155/2023/1426506.

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Abstract (sommario):
Industrial machines with sharp moving blades are extremely dangerous to workers. These machines often rotate for some time (called the run-down time) before completely stopping due to little or no brakes. In the case where brakes are used, they are mechanical in nature and are associated with problems of wear out and frequent maintenance among others. In this paper, we proposed a mathematical model and implementation of an electromagnet and design and construction of a mechanical support frame and a controller for the electromagnetic braking system. The electromagnetic braking system works on the principle of electromagnetism. To realize the semicircular electromagnets, we coil the gauge wires several times around a ferromagnetic core material. The electromagnet was connected to a 12 V 7 Ah battery and was used to lift a load whose mass and corresponding weight were predetermined using a scale balance. The magnetic force generated was equal to the amount of maximum load it could lift. The mechanical frame, on which the electromagnets, motor, battery, switches, and chain drive system were mounted, was designed using SolidWorks and constructed by measuring, cutting, and joining of iron materials. A microcontroller and a power MOSFET were used in the control circuit to drive the electromagnet. Major results such as the realized electromagnets and the magnitude of the electromagnetic force (1.43 N) produced by the electromagnets are presented. The mechanical frame and the control circuit are also presented. The braking force was greater than the rotation torque of the disc, and hence braking was achieved.
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Bajpai, Shrish, Siddiqui Sajida Asif e Syed Adnan Akhtar. "Electromagnetic Education in India". Comparative Professional Pedagogy 6, n. 2 (1 giugno 2016): 60–66. http://dx.doi.org/10.1515/rpp-2016-0020.

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Abstract (sommario):
Abstract Out of the four fundamental interactions in nature, electromagnetics is one of them along with gravitation, strong interaction and weak interaction. The field of electromagnetics has made much of the modern age possible. Electromagnets are common in day-to-day appliances and are becoming more conventional as the need for technology increases. Electromagnetism has played a vital role in the progress of human kind ever since it has been understood. Electromagnets are found everywhere. One can find them in speakers, doorbells, home security systems, anti-shoplifting systems, hard drives, mobiles, microphones, Maglev trains, motors and many other everyday appliances and products. Before diving into the education system, it is necessary to reiterate its importance in various technologies that have evolved over time. Almost every domain of social life has electromagnetic playing its role. Be it the mobile vibrators you depend upon, a water pump, windshield wipers during rain and the power windows of your car or even the RFID tags that may ease your job during shopping. A flavor of electromagnetics is essential during primary level of schooling for the student to understand its future prospects and open his/her mind to a broad ocean of ideas. Due to such advancements this field can offer, study on such a field is highly beneficial for a developing country like India. The paper presents the scenario of electromagnetic education in India, its importance and numerous schemes taken by the government of India to uplift and acquaint the people about the importance of EM and its applications.
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R, Bharathi, Om Prakash, S, G. Gowrishankar e S. Arun. "Electromagnetic Engine Controlled using IR Sensor". Journal of Electronics,Computer Networking and Applied Mathematics, n. 23 (20 aprile 2022): 1–4. http://dx.doi.org/10.55529/jecnam.23.1.4.

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Abstract (sommario):
The base idea of this paper is to control the electromagnetic engine to enhance a smooth rotation by measuring distance of the piston using an IR sensor. This electromagnetic engine consists of an electromagnet, permanent magnet, Infrared Sensor, powerful microcontroller and power supply. The permanent magnet acts as a piston in this electromagnetic engine, it has magnetic field energy for a proper function. The position of permanent magnet has to be noted for electromagnets energisation in order to reduce power consumption by electromagnet. The infrared sensor mounted with electromagnet set and pointed towards permanent magnet, whenever the permanent magnet moves towards electromagnet, sensor reads the change in magnetic piston position. The electromagnet is energized on the reach of permanent magnet near electromagnet. Control of electromagnets power supply is depends on the signal provided by IR sensor, this sensor is mainly makes timing control of power drive circuit through the microcontroller. This makes engine to run continuously and reducing its power consumption by providing a pulse to electromagnet.
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R, Bharathi, Om Prakash, S, G. Gowrishankar e S. Arun. "Electromagnetic Engine Controlled using IR Sensor". Journal of Electronics,Computer Networking and Applied Mathematics, n. 23 (20 aprile 2022): 1–4. http://dx.doi.org/10.55529/jecnam.23.1.4.

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Abstract (sommario):
The base idea of this paper is to control the electromagnetic engine to enhance a smooth rotation by measuring distance of the piston using an IR sensor. This electromagnetic engine consists of an electromagnet, permanent magnet, Infrared Sensor, powerful microcontroller and power supply. The permanent magnet acts as a piston in this electromagnetic engine, it has magnetic field energy for a proper function. The position of permanent magnet has to be noted for electromagnets energisation in order to reduce power consumption by electromagnet. The infrared sensor mounted with electromagnet set and pointed towards permanent magnet, whenever the permanent magnet moves towards electromagnet, sensor reads the change in magnetic piston position. The electromagnet is energized on the reach of permanent magnet near electromagnet. Control of electromagnets power supply is depends on the signal provided by IR sensor, this sensor is mainly makes timing control of power drive circuit through the microcontroller. This makes engine to run continuously and reducing its power consumption by providing a pulse to electromagnet.
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R, Bharathi, Om Prakash, S, G. Gowrishankar e S. Arun. "Electromagnetic Engine Controlled using IR Sensor". Journal of Electronics,Computer Networking and Applied Mathematics, n. 23 (20 aprile 2022): 1–4. http://dx.doi.org/10.55529/jecnam.23.1.4.

Testo completo
Abstract (sommario):
The base idea of this paper is to control the electromagnetic engine to enhance a smooth rotation by measuring distance of the piston using an IR sensor. This electromagnetic engine consists of an electromagnet, permanent magnet, Infrared Sensor, powerful microcontroller and power supply. The permanent magnet acts as a piston in this electromagnetic engine, it has magnetic field energy for a proper function. The position of permanent magnet has to be noted for electromagnets energisation in order to reduce power consumption by electromagnet. The infrared sensor mounted with electromagnet set and pointed towards permanent magnet, whenever the permanent magnet moves towards electromagnet, sensor reads the change in magnetic piston position. The electromagnet is energized on the reach of permanent magnet near electromagnet. Control of electromagnets power supply is depends on the signal provided by IR sensor, this sensor is mainly makes timing control of power drive circuit through the microcontroller. This makes engine to run continuously and reducing its power consumption by providing a pulse to electromagnet.
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DAKSHNAMOORTHY, Easu, Ralph H. RYNTATHIANG, Sarang, SIVAKUMAR e Sidharth Krishna VINOD KUMAR. "Experimental Study of Vibration Isolation Using Electromagnetic Damping". Mechanics 30, n. 2 (23 aprile 2024): 183–87. http://dx.doi.org/10.5755/j02.mech.34759.

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Abstract (sommario):
This study presents an experimental investigation focused on the reduction of vibrations using electromagnetic damping techniques. The objective is to explore the effectiveness of electromagnetic damping in mitigating undesirable vibrations and enhancing system stability. A single-degree vertically constrained spring-mass system, two pairs of electromagnets, Lab VIEW software, an accelerometer, DAQ card were used for the experimentation. SWG 17 and SWG19 coil electromagnets were used in different conditions of energization to evaluate the effectiveness of the electromagnetic damping system. The parameters such as excitation frequency, vibration amplitude, and electromagnetic damping force are systematically varied and their effects on vibration isolation are analysed. The results demonstrate that the electromagnetic damping system effectively isolates base induced vibrations across a range of frequencies and amplitudes. The experimental data reveal that at lower frequencies, upto 6Hz the amplitude of RMS acceleration was same as that of the system without energizing the electromagnet and at higher frequencies, above 10 Hz, all 2V,4V and 6V of energized electromagnets in the SDVC system showed negligible variation in the RMS amplitude of acceleration. A substantial isolation of top plate was observed at higher frequencies of base excitation.
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Xiang, Chun, Jun-Cheng Wang, Yu-Feng Gu, Shi-Jin Zhang e Shi-An Chen. "Experiment, Optimization, and Design of Electromagnetic Track Brake for High-Speed Railways System". Mathematical Problems in Engineering 2020 (9 marzo 2020): 1–11. http://dx.doi.org/10.1155/2020/6957963.

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To enhance braking force and control convenience of high-speed railway systems, this paper proposes a new electromagnetic track brake, and the corresponding design, optimization, and experimental test are implemented. The proposed track brake is longitudinal-axis magnetic circuits excited by multiple coils electromagnets, and the pole shoes are extending outward. A preliminary design of an electromagnetic track brake is developed, including iron core height, iron core width, iron core gap, excitation ampere-turn, coil arrangement form, coil thickness, and preliminary height of single-layer coil. The electromagnet number and pole shoe gap are optimized through three-dimensional electromagnetic simulation comparisons. The final design of the electromagnetic track brake is determined, including iron core length, copper wire diameter, coil turn, and final height of single-layer coil. Experimental verification of electromagnetic attractive force is performed through prototype tests, and the newly developed electromagnetic track brake can enhance electromagnetic braking deceleration by 39%.
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Liao, Yu, Yinshui Liu, Jun Xing, Biao Chen e Lizhi Gao. "Electromagnetic force investigation of electromagnets with variable pole area in an electromagnetic diaphragm pump". PLOS ONE 18, n. 10 (12 ottobre 2023): e0292685. http://dx.doi.org/10.1371/journal.pone.0292685.

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Abstract (sommario):
Electromagnetic diaphragm pump is a kind of widely applied diaphragm pump that has promising sealing performance, simple structure and low power loss. Planar pole electromagnet is a significant component of the electromagnetic diaphragm pump. However, the sharply changing displacement-force characteristics of the planar pole electromagnet do not match the constant load characteristics of the electromagnetic diaphragm pump. Herein, an electromagnet with variable pole area is put forward. A theoretical relationship between structural parameters, the Ampere turns and the electromagnetic force of the electromagnet with variable pole area is determined by analyzing the equivalent magnetic circuit of the electromagnet with variable pole area. The experimental results imply that the initial electromagnetic force of the electromagnet with variable pole area is 32.51% larger than the planar pole electromagnet, the engaging electromagnetic force of the electromagnet with variable pole area is 22.3% smaller than the planar pole electromagnet and the displacement-force characteristics of the electromagnet with variable pole area match the constant load characteristics of the electromagnetic diaphragm pump.
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Jiang, Zeqi, Jianhua Fang, Fei Chen, Boshui Chen e Kecheng Gu. "Effect of electromagnetic field on tribological properties of two lubricating oils containing zinc dithiophosphate". Industrial Lubrication and Tribology 70, n. 5 (9 luglio 2018): 878–87. http://dx.doi.org/10.1108/ilt-01-2017-0004.

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Abstract (sommario):
Purpose This paper aims at understanding tribological properties of lubricating oils doped with zinc dithiophosphate(ZDDP) with and without electromagnetic field impact. Design/methodology/approach The friction and wear properties of the oils formulated with zinc butyloctyl dithiophosphate (T202) or zinc dioctyl dithiophosphate (T203) under electromagnetic field or nonelectromagnetic field were evaluated on a modified four-ball tribotester. The characteristics of the worn surfaces obtained from electromagnetic or nonelectromagnetic field conditions were analyzed by scanning electronic microscopy, energy dispersive spectrometer and X-ray photoelectron spectroscopy. This paper focuses on understanding influence of electromagnetic field on lubrication effect of the ZDDP-formulated oils. Findings The electromagnetic field could effectively facilitate anti-wear and friction-reducing properties of the oils doped with T202 or T203 as compared to those without electromagnetism affection, and the T203-doped oils were more susceptible to the electromagnetic field. The improvement of anti-wear and friction-reducing abilities of the tested oils were mainly attributed to the promoted tribochemical reactions and the modification of the worn surfaces (forming Zn-Fe solid solution) induced by the electromagnetic field. Originality/value This paper has revealed that tribological performances of ZDDP-doped oils could be improved by the electromagnetic field and discussed its lubrication mechanisms. Investigating tribological properties of additives from the viewpoint of electromagnetics is a new attempt, which has significance not only for the choose and designing of additives in electromagnetic condition but also for development of tribological theories and practices.
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Suzumori, Koichi, Takashi Nagata, Takefumi Kanda, Kazuo Uzuka e Isao Enomoto. "Development of Electromagnetic Nutation Motor (Electromagnetic Investigation)". Journal of Robotics and Mechatronics 16, n. 3 (20 giugno 2004): 327–32. http://dx.doi.org/10.20965/jrm.2004.p0327.

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Abstract (sommario):
The nutation motor, a new type of stepping motor we developed, features a simple structure, high resolution, and speed reduction, and operates on electromagnetic power. Our previously developed nutation motor operated on air pressure. We designed an electromagnetic coil based on magnetic field analysis using the finite element method (FEM) and optimized dimensions. The result was an electromagnet having an maximum force of 60N and an electric current of 0.3A. Using this electromagnet, we developed a motor having a maximum torque of 0.67N × m, a maximum rotation of 4.3rpm, and a minimum resolution of 1248step/rev.
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Tesi sul tema "Electromagnetic"

1

Bekele, Ephrem Teshale. "Innovative Electromagnetic Field Manipulating Devices Based on Transformation Electromagnetics". Doctoral thesis, Università degli studi di Trento, 2015. https://hdl.handle.net/11572/368574.

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Abstract (sommario):
Quasiconformal Transformation Optics (QCTO) has been investigated and applied for the design of innovative electromagnetic field manipulating devises. The design is focused on enhancing radiation performance of antenna arrays. Towards this end, the QCTO approach has been utilized for the application of compressing dimension of linear array at the same time keeping its radiation performance equivalent to the original array. The basic QCTO is then generalized to allow an arbitrary physical arrangement coated with a suitable lens to exhibit the same radiating features of an arbitrary reference virtual array in free space. This removed the limitation on the state-of-the-art QCTO method to handle transformation between arbitrarily shaped geometries. A representative numerical example, concerned with a two-dimensional layout, is presented to assess the effectiveness of the proposed method as well as the enhanced features of the resulting metamaterial-coated arrays with respect to standard conformal arrangements. In addition, the capability to achieve significantly simplified structures by means of tile discretization approximation of the synthesized lens is investigated. Selected numerical examples are reported to illustrate the effectiveness of tile-discretized lenses versus ideal QCTO arrangements. The metamaterial lens that resulted from the extended QCTO was found to be significantly anisotropic posing implementation challenge. To address this issue, an innovative approach, based on the System-by-Design (SbD) paradigm, is proposed for the synthesis of isotropic non-magnetic metamaterial lenses. Selected numerical results, concerned with an application of the SbD-QCTO approach, are reported to give some insights on its advantages and current limitations in terms of computational efficiency, effectiveness, and flexibility.
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Bekele, Ephrem Teshale. "Innovative Electromagnetic Field Manipulating Devices Based on Transformation Electromagnetics". Doctoral thesis, University of Trento, 2015. http://eprints-phd.biblio.unitn.it/1499/1/Ph.D.Thesis.BEKELE-April.2015.Final.pdf.

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Abstract (sommario):
Quasiconformal Transformation Optics (QCTO) has been investigated and applied for the design of innovative electromagnetic field manipulating devises. The design is focused on enhancing radiation performance of antenna arrays. Towards this end, the QCTO approach has been utilized for the application of compressing dimension of linear array at the same time keeping its radiation performance equivalent to the original array. The basic QCTO is then generalized to allow an arbitrary physical arrangement coated with a suitable lens to exhibit the same radiating features of an arbitrary reference virtual array in free space. This removed the limitation on the state-of-the-art QCTO method to handle transformation between arbitrarily shaped geometries. A representative numerical example, concerned with a two-dimensional layout, is presented to assess the effectiveness of the proposed method as well as the enhanced features of the resulting metamaterial-coated arrays with respect to standard conformal arrangements. In addition, the capability to achieve significantly simplified structures by means of tile discretization approximation of the synthesized lens is investigated. Selected numerical examples are reported to illustrate the effectiveness of tile-discretized lenses versus ideal QCTO arrangements. The metamaterial lens that resulted from the extended QCTO was found to be significantly anisotropic posing implementation challenge. To address this issue, an innovative approach, based on the System-by-Design (SbD) paradigm, is proposed for the synthesis of isotropic non-magnetic metamaterial lenses. Selected numerical results, concerned with an application of the SbD-QCTO approach, are reported to give some insights on its advantages and current limitations in terms of computational efficiency, effectiveness, and flexibility.
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Sainath, Kamalesh K. "Robust Numerical Electromagnetic Eigenfunction Expansion Algorithms". The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1480340627500682.

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Lei, Feiran. "Homogenization of Heterogeneous Composites by Using Effective Electromagnetic Properties". The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1299513068.

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Bau-Hsing, Ann. "Computer-aided electromagnetic analysis of chokes and transformers". The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1438255468.

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Lalley, Nicholas M. "Composite Electromagnetic Applications and Devices". University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1504878841254054.

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Zhu, Boyuan. "The Electromagnetic Compatibility Problems of Integrated Circuits". Thesis, Griffith University, 2011. http://hdl.handle.net/10072/365527.

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Abstract (sommario):
With the constant speed of growth in semiconductor technology, integrated circuit (IC) has taken a considerable position in an electronic system. The integrated circuit is working in a low supply voltage with high operation frequency. The internal complexity and chip density are also increased dramatically. Modern microelectronic technology in wafer fabrication easily allows component densities to exceed one million transistors per die. So far, integrated circuits are suering from various and complicated electromagnetic environments. Being the heart of an electronic system, stability and reliability of the integrated circuit are of the most important requirement along with the techniques development. The demands of high electromagnetic compatibility (EMC) performance for integrated circuits are therefore broadly spread among semiconductor manufacturers and product users. Traditionally, EMC for IC is only considered at the post-design stage. Once built, it is only then that equipment is tested to see whether or not it conforms to the relevant standards. This can prove very expensive in terms of time, cost, and the potential need for retrot modications. Simulating a piece of equipment is potentially much faster and cheaper than taking a prototype or existing piece of equipment to a test-house. More importantly, it allows the engineer to \look into" the equipment and see where currents and elds are largest; this is almost impossible with physical testing. Recently, computational electromagnetics (CEM) technique has moved from pure mathematical analysis into design in engineering practice. It can provide a much easier, faster and more economical solution of prediction in EMC characteristics than conventional methods. Thus, EMC computer modelling and simulation of IC is going to play an important role in scientic research and industrial applications.
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Griffith School of Engineering
Science, Environment, Engineering and Technology
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Park, Young C. (Young Chul) 1960. "A Study of Some Biological Effects of Non-Ionizing Electromagnetic Radiation". Thesis, University of North Texas, 1996. https://digital.library.unt.edu/ark:/67531/metadc278105/.

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The experimental studies of this work were done using a microwave cavity spectrometer, Escherichia coli (E-coli) bacteria, and other peripheral equipment. The experiment consists of two steps. First, a general survey of frequencies from 8 GHz to 12 GHz was made. Second, a detailed experiment for specific frequencies selected from the first survey were further studied. Interesting frequency dependent results, such as unusually higher growing or killing rates of E-coli at some frequencies, were found. It is also concluded that some results are genetic, that is, the 2nd, and 3rd subcultures showed the same growing status as the 1st cultures.
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Stevenson, Adrian Carl. "Electromagnetic biosensors". Thesis, University of Cambridge, 1995. https://www.repository.cam.ac.uk/handle/1810/252090.

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Cuff, David P. (David Preston). "Electromagnetic nanopositioner". Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/38712.

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Abstract (sommario):
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2006.
Includes bibliographical references (p. 195-200).
This thesis presents the analysis, design, and control of a new class of magnetic nanopositioner. Applications for this class of positioner include sample positioning for scanning microscopy and interferometry, nanofabrication, vibration cancellation, biological cell tracking/positioning, and beam focusing/steering. The nanometer-resolution positioning required in these applications is often provided using piezoelectric ceramic actuators. The drawbacks to using piezoelectric actuators include high hysteretic heating, lightly damped structural resonances, the need for preload on the actuator stack, as well as the requirement for a high voltage amplifier. This thesis demonstrates an electromagnetically driven nanopositioner that is suspended on rubber bearings as a promising, low cost alternative to the piezoelectric nanopositioners. Several key features of the electromagnetic nanopositioner are the flux-steering actuator that applies a force linear in both coil current and displacement, replacement of the conventional metal flexures with rubber bearings, as well as power and sense electronics that can be easily integrated into a compact package. A prototype of this class of nanopositioner with 100,pm of travel and a maximum force output of 460 N was built and tested.
(cont.) A closed-loop bandwidth of 580 Hz was obtained using capacitance distance sensor feedback. The feasibility and procedure for casting rubber bearings was investigated. Several room-temperature vulcanizing (RTV) rubbers were considered for low volume, in-lab production of test specimens. A compression specimen was cast from a two-part RTV silicone rubber that was found to be suitable. A compression fixture that was previously used to test bonded rubber pads was modified to accept the cast rubber bearings. The cast rubber bearing was found to have the predicted DC stiffness and the stiffness increased with frequency as expected. Casting of rubber bearings was demonstrated as a feasible method for putting rubber bearings into devices such as nanopositioners.
by David P. Cuff.
S.M.
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Libri sul tema "Electromagnetic"

1

Sengupta, Dipak L., e Valdis V. Liepa. Applied Electromagnetics and Electromagnetic Compatibility. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2005. http://dx.doi.org/10.1002/0471746231.

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Sengupta, Dipak L. Applied electromagnetics and electromagnetic compatibility. Hoboken, NJ: Wiley-Interscience, 2005.

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3

1935-, Liepa Valdis V., a cura di. Applied electromagnetics and electromagnetic compatibility. Hoboken, NJ: John Wiley & Sons, 2005.

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Sengupta, Dipak L. Applied Electromagnetics and Electromagnetic Compatibility. New York: John Wiley & Sons, Ltd., 2005.

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H, Frey Allan, a cura di. On the nature of electromagnetic field interactions with biological systems. Austin: R.G. Landes, 1994.

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J, White Donald R., e Violette Michael F, a cura di. Electromagnetic compatibility handbook. New York: Van Nostrand Reinhold, 1987.

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7

G, Skitek G., a cura di. Electromagnetic concepts and applications. Englewood Cliffs, N.J: Prentice-Hall, 1990.

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G, Skitek G., a cura di. Electromagnetic concepts and applications. 2a ed. Englewood Cliffs, N.J: Prentice-Hall, 1987.

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Marshall, S. V. Electromagnetic concepts and applications. 3a ed. Englewood Cliffs, N.J: Prentice Hall, 1990.

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DuBroff, Richard E. Electromagnetic concepts and applications. 4a ed. Upper Saddle River, N.J: Prentice Hall, 1996.

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Capitoli di libri sul tema "Electromagnetic"

1

Weik, Martin H. "electromagnetic". In Computer Science and Communications Dictionary, 490. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_5913.

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Horikoshi, Satoshi, Robert F. Schiffmann, Jun Fukushima e Nick Serpone. "Electromagnetic Fields and Electromagnetic Waves". In Microwave Chemical and Materials Processing, 33–45. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-6466-1_3.

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Munro, Neil. "Electromagnetic Interference and Electromagnetic Weapons". In Electronic Combat and Modern Warfare, 35–55. London: Palgrave Macmillan UK, 1991. http://dx.doi.org/10.1007/978-1-349-12422-0_3.

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Ashok Kumar, L., e Y. Uma Maheswari. "EMI Using ADS". In Electromagnetic Interference and Electromagnetic Compatibility, 355–450. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003362951-9.

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Ashok Kumar, L., e Y. Uma Maheswari. "EMI and EMC Simulation Software". In Electromagnetic Interference and Electromagnetic Compatibility, 149–89. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003362951-5.

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Ashok Kumar, L., e Y. Uma Maheswari. "Introduction to Electromagnetic Interference and Electromagnetic Compatibility". In Electromagnetic Interference and Electromagnetic Compatibility, 1–57. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003362951-1.

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Ashok Kumar, L., e Y. Uma Maheswari. "EMI Using PSPICE". In Electromagnetic Interference and Electromagnetic Compatibility, 245–354. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003362951-8.

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Ashok Kumar, L., e Y. Uma Maheswari. "EMI Filter". In Electromagnetic Interference and Electromagnetic Compatibility, 95–126. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003362951-3.

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Ashok Kumar, L., e Y. Uma Maheswari. "EMI Using MATLAB". In Electromagnetic Interference and Electromagnetic Compatibility, 221–44. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003362951-7.

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Ashok Kumar, L., e Y. Uma Maheswari. "EMI/EMC Design for Printed Circuit Boards". In Electromagnetic Interference and Electromagnetic Compatibility, 127–47. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003362951-4.

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Atti di convegni sul tema "Electromagnetic"

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Wang, Zhigang, e Jianguo Yang. "Research on the Electromagnetic Valve Used in Medium Pressure Common Rail Electronically Controlled Fuel Injection System". In ASME 2006 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ices2006-1378.

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A new kind of electromagnetic valve [1], with great flow and fast speed, used in the medium pressure common rail electronically controlled fuel injection system of diesel engine is introduced for the first time. It is a kind of Two-position, Three-way Valve (TTV) that consists of a valve body, an outer valve rod and two inner valve rods. The electromagnet can generate great electromagnetic force because of its assembled magnetic fields. It actuates the outer valve rod from its closed-position to the open-position rapidly. A spring is used to push it back. Fuel injection begins when the outer rod is in the open position and ends in the closed. The inner and outer valve rods with taper valve port replace the traditional configuration and decrease the difficulties in machining. Finite element method has been used to analyze the electromagnet’s electromagnetic fields. Static characteristics of the electromagnet are calculated. Some factors such as working area, coil turns, core number, armature depth and iron material that influence the magnetic force are discussed in detail. The magnetic material and the electromagnet dimensions are optimized according to calculation results. Meanwhile, the leakage between the valve body and the outer valve rod, the leakage between the outer valve rod and left-inner valve rod and the leakage between the outer valve rod and the right-inner valve rod are also studied by the finite element method. Key part that causes the leak during operation has been found out and improvement is carried out. Influences of the TTV to the injection timing and the injection amount are analyzed in detail based on the Fuel Injection Test Platform (FITP) in the end.
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Hsu, Shao-Wei, Ching-Kai Lin, Chin-Chung Chen, Yun-Chien Cheng, Chen-Wei Chang e Tien-Kan Chung. "An Electromagnetic Targeting System With Semi-Circular Configuration for Navigating Endo-Bronchoscope". In ASME 2019 28th Conference on Information Storage and Processing Systems. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/isps2019-7520.

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Abstract In this paper, we present an electromagnetic targeting system with semi-circular configuration for navigating endo-bronchoscope. This system consists of a magnetic-flux emitting electromagnets-arrays fixed on a semi-circular mechanical-support, magnetic-flux receiving electromagnets, and a magnetic-flux concentrator (i.e., silicon-steel collar) which fixed on distal end of a guide sheath of the endo-bronchoscope. In initial state, when the emitting electromagnets produce magnetic flux in sequence, the receiving electromagnets receive the magnetic flux and consequently produce voltage outputs by the electromagnetic induction. When the silicon-steel collar with the guide sheath travels through the system, the magnetic flux is concentrated by the collar. Thus, the voltage outputs of the receiving electromagnets are changed. By analyzing the change of voltage outputs, the location of the silicon-steel collar with the guide sheath is obtained/targeted. This means that the location of the endo-bronchoscope is also targeted.
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Scholz, Eike, Sebastian Lange e Thomas Eibert. "Exact discrete electromagnetism for electromagnetic system security". In 2014 International Symposium on Electromagnetic Compatibility - EMC EUROPE. IEEE, 2014. http://dx.doi.org/10.1109/emceurope.2014.6930893.

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Palmer, S. B., J. F. Hernandez-Valle e S. Dixon. "Electromagnetic acoustic transduction using a pulsed electromagnet". In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, a cura di H. Felix Wu, Aaron A. Diaz, Peter J. Shull e Dietmar W. Vogel. SPIE, 2009. http://dx.doi.org/10.1117/12.815304.

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"Electromagnetic compatibility. Electromagnetic metrology". In 2010 5th International Conference on Ultrawideband and Ultrashort Impulse Signals (UWBUSIS 2010). IEEE, 2010. http://dx.doi.org/10.1109/uwbusis.2010.5609124.

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"Electromagnetic compatibility. Electromagnetic metrology". In 2012 6th International Conference on Ultrawideband and Ultrashort Impulse Signals (UWBUSIS). IEEE, 2012. http://dx.doi.org/10.1109/uwbusis.2012.6379740.

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Yaroslavcev, Mihail, R. Latyshev e E. Zemlyakov. "SIMULATION MODEL OF A VEHICLE WITH ELECTROMAGNETIC SUSPENSION". In CAD/EDA/SIMULATION IN MODERN ELECTRONICS 2019. Bryansk State Technical University, 2019. http://dx.doi.org/10.30987/conferencearticle_5e0282128ae520.40347277.

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The parameters of the electromagnet in the electromagnetic suspension system of the city transit vehicle are evaluated. A simulation model of the magnetic suspension system which allows studying its dynamic characteristics is created in Simulink. Air gap regulator settings are obtained using the model.
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Christopoulos, C. "Review of computational electromagnetics in electromagnetic compatibility applications". In IET 8th International Conference on Computation in Electromagnetics (CEM 2011). IET, 2011. http://dx.doi.org/10.1049/cp.2011.0003.

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Shin, Buhyun, Dongho Oh e Kyung-min Lee. "A Bi-Axial Scanning Micro Mirror Using an Electromagnetic Actuator". In ASME 2017 Conference on Information Storage and Processing Systems collocated with the ASME 2017 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/isps2017-5469.

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In this paper, we present a design, simulation, and experimental result of a bi-axial scanning micro mirror driven by electromagnetic actuator. The mirror has a double gimbal structure for non-resonant operation and the electromagnetic actuator is composed of one permanent magnet and four electromagnets located in four directions on the base frame. The permanent magnet is attached to the back of the mirror and it position is controlled by current of the four electromagnetic magnets. The size of the mirror is 8 mm × 8 mm and the overall size of the mirror and actuator is 20 mm × 20 mm × 13 mm (W × D × H). We perform simulations and experiments of the electromagnetic actuator and the bi-axial scanning micro mirror. The motor constant and restoring constant of the developed electromagnetic actuator is 3.41 mNm/A and 1.75 mNm/rad, respectively. The deflection angle of the developed bi-axial scanning micro mirror is measured to be over than ± 40 degree.
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Hou, Yanpan, Zhenxiang Liu, Jian-Ming Ouyang e Dong Yang. "Electromagnetic shielding for electromagnetic launch". In 2012 16th International Symposium on Electromagnetic Launch Technology (EML). IEEE, 2012. http://dx.doi.org/10.1109/eml.2012.6325069.

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Rapporti di organizzazioni sul tema "Electromagnetic"

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Bruno, Oscar P. Electromagnetic Scattering. Fort Belvoir, VA: Defense Technical Information Center, gennaio 2002. http://dx.doi.org/10.21236/ada398468.

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Aldridge, David F. Electromagnetic Reciprocity. Office of Scientific and Technical Information (OSTI), novembre 2014. http://dx.doi.org/10.2172/1164982.

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Hyde, C., e L. Dyke. Electromagnetic techniques. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1999. http://dx.doi.org/10.4095/210369.

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Barrios, Amalia E., Kenneth D. Anderson e Ramakrishna Janaswamy. Electromagnetic Propagation. Fort Belvoir, VA: Defense Technical Information Center, settembre 2000. http://dx.doi.org/10.21236/ada610168.

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Richter, Juergen H. Electromagnetic Propagation. Fort Belvoir, VA: Defense Technical Information Center, settembre 1997. http://dx.doi.org/10.21236/ada629293.

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Barrios, Amalia E., Herbert V. Hitney, Kenneth D. Anderson e Ramakrishna Janaswamy. Electromagnetic Propagation. Fort Belvoir, VA: Defense Technical Information Center, settembre 1999. http://dx.doi.org/10.21236/ada629904.

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Baird, Ramon C., e Motohisa Kanda. Electromagnetic compatibility:. Gaithersburg, MD: National Institute of Standards and Technology, 1997. http://dx.doi.org/10.6028/nist.ir.5049.

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Barrios, Amalia E., Kenneth D. Anderson e Ramakrishna Janaswamy. Electromagnetic Propagation. Fort Belvoir, VA: Defense Technical Information Center, settembre 2001. http://dx.doi.org/10.21236/ada625828.

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Barrios, Amalia E., e Kenneth D. Anderson. Electromagnetic Propagation. Fort Belvoir, VA: Defense Technical Information Center, agosto 2002. http://dx.doi.org/10.21236/ada627345.

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Gedney, Stephen D. Advanced Electromagnetic Modeling. Fort Belvoir, VA: Defense Technical Information Center, ottobre 2004. http://dx.doi.org/10.21236/ada427824.

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