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Journal articles on the topic 'Magnetic Levitation'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Patriawan, Desmas A., Bambang Pramujati, and Hendro Nurhadi. "Preliminary Study on Magnetic Levitation Modeling Using PID Control." Applied Mechanics and Materials 493 (January 2014): 517–22. http://dx.doi.org/10.4028/www.scientific.net/amm.493.517.

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This paper proposes to understand about basic magnetic levitation model. Magnetic Levitation is repulsive or attractive force resulting gap from magnetic field. Characteristic of the magnetic levitation model is used permanent magnet and electromagnet with PID control to maintain wide gap between levitator and object levitation. Mass addition is used to analysis the model of the Maglev with PID control to maintain wide gap. Calculation result show that the maglev with PID control has sufficient levitation force in the maintain wide gap. Comparison between calculated and measured values can be

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2

Prada, Erik. "DETERMINATION OF TRANSFER FUNCTION OF MAGNETIC LEVITATION MODEL AND EXPERIMENTAL VERIFICATION OF OPTICAL SENSOR." TECHNICAL SCIENCES AND TECHNOLOGIES, no. 4(18) (2019): 148–54. http://dx.doi.org/10.25140/2411-5363-2019-4(18)-148-154.

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Urgency of the research. The potential of controlling the position of levitating objects has great application in deposition and in various positioning systems. Magnetic levitation eliminates direct mechanical friction between moving parts. Target setting. The measurement shielding method used is one of the methods of determining the position of a levitating object. By combining positioning and regulating elements, we achieve a feedback control. The use of a given type of measurement has advantages in places where the use of other methods is not appropriate. Actual scientific researches and is

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3

Rodríguez-Cortes, Hugo, and Marcos González-Olvera. "Parametric Reconstruction and State Observation in a Maglev System Via I&I." Memorias del Congreso Nacional de Control Automático 6, no. 1 (2023): 333–38. http://dx.doi.org/10.58571/cnca.amca.2023.054.

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In this work, the principle of Immersion and Invariance (I&I) is used in the design of an observer/estimator for a closed-loop magnetic levitation system in order to reconstruct the magnetic levitator speed, the internal resistance of the coil and the mass of the levitating ball. By relying on Lyapunov function theory and analysis around a neighborhood of the operation point of the closed-loop dynamics, the stability and convergence of the observed states and estimated parameters to actual ones are guaranteed. Experimental results are shown to demonstrate the effectiveness of the proposed

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Abdullaev Yashar, Kerimzade Gulschen, Mammadova Gulaya, Abdullaev Yashar, Kerimzade Gulschen, Mammadova Gulaya. "STABILITY OF THE LEVITATIONSYSTEM AND CALCULATION WIND GENERATOR OUTPUT VOLTAGE WITH VERTICAL AXIS." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 07, no. 03 (2021): 75–82. http://dx.doi.org/10.36962/0703202175.

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The advantage of vertical axis wind turbines (VAT) based on magnetic levitation over traditional horizontal axis wind turbines is well known in their scientific and technical literature. Their levitation system is made up of two permanent magnets, which are located in a circle below the turbine. Elementary coils are located next to the magnets, from the output of which voltage is obtained. The designs of the levitation system do not provide the necessary stability of the moving part of the generator and lead to friction. In addition, the output voltage is not at the required level. In order to

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5

Green, Scott A., and Kevin C. Craig. "Robust, Digital, Nonlinear Control of Magnetic-Levitation Systems." Journal of Dynamic Systems, Measurement, and Control 120, no. 4 (1998): 488–95. http://dx.doi.org/10.1115/1.2801490.

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This paper presents a robust, adaptive, nonlinear controller for a class of magnetic-levitation systems, which includes active-magnetic bearings. The controller is analytically and experimentally shown to be superior to a classical linear control system in stability, control effort, step-response performance, robustness to parameter variations, and force-disturbance rejection performance. Using an adaptive backstepping approach, a Lyapunov function is generated along with an adaptive control law such that the nonlinear, closed-loop, continuous system is shown to guarantee stability of the equi

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6

Mulhall, B. E. "Magnetic levitation." Electronics and Power 31, no. 1 (1985): 80. http://dx.doi.org/10.1049/ep.1985.0040.

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7

McAllister, Don. "Magnetic levitation." European Journal of Physics 9, no. 3 (1988): 232–33. http://dx.doi.org/10.1088/0143-0807/9/3/112.

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8

Rossing, Thomas D., and John R. Hull. "Magnetic levitation." Physics Teacher 29, no. 9 (1991): 552–62. http://dx.doi.org/10.1119/1.2343425.

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9

Sadiku, M. N. O., and C. M. Akujuobi. "Magnetic levitation." IEEE Potentials 25, no. 2 (2006): 41–42. http://dx.doi.org/10.1109/mp.2006.1649010.

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10

Zhu, Yu, Yu Liu, and Ming Zhang. "Analysis of a New Magnetic Bearing for Magnetic Levitation Stages." Advanced Materials Research 295-297 (July 2011): 2106–11. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.2106.

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This paper proposed a new configuration of magnetic bearings used in magnetic levitation stages. The equivalent current sheet model is introduced to calculate the levitation force of the proposed magnetic bearing, and the experiment result validates the correctness of the calculation method. The relationships of structural parameters to the levitation force and axial stiffness are studied, which prove that the new magnetic bearing has larger levitation force with lower axial stiffness over the working stroke and could be applied in ultra-precision magnetic levitation stages.

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11

Raut, N. K., J. Miller, R. Y. Chiao, and J. E. Sharping. "Comparative Study of Magnetic Levitation Models." Journal of Nepal Physical Society 8, no. 2 (2022): 37–41. http://dx.doi.org/10.3126/jnphyssoc.v8i2.50147.

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Levitation refers to free flotation, where the levitated object is suspended freely, against gravity without any physical contact. Among many levitation, magnetic levitation due to a finite-sized type-I superconductor was demonstrated and characterized. Here, we have developed a model by extending the two-loop method to calculate the levitation height for magnetic levitation within the superconducting microwave cavity and is compared with widely used mirror and finite-size superconductor method. The models were used to calculate the levitation height from the center and edge of the superconduc

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12

Peng, Li* Hongping Tao Xiaoqing Zhang. "STUDY ON ELECTROMAGNETIC SHIELDING OF THE TRANSMISSION LINES OF A MAGLEV TRAIN." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 7, no. 1 (2018): 84–89. https://doi.org/10.5281/zenodo.1135428.

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Analyzed on all kinds of electromagnetic interference may occurred based on normal conducting magnetic levitation technology used in PUDONG magnetic train line of Shanghai in China, such as: DC magnetic field generated by the levitating magnet which is supported of DC ; A radio-frequency electromagnetic field generated in the transmission of wireless information between station and the train. An alternating magnetic field generated by the guide rail synchronous long stator linear motor to the power supply cable; The ultra-low frequency induced electromagnetic fields produced by substation and

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13

Wang, Zixuan, Chi Zhang, Aijie Yin, et al. "The Magnetic Levitation Weaving Needle Monitoring System and Predictive Analysis Based on Digital Twin." Applied Sciences 14, no. 14 (2024): 6250. http://dx.doi.org/10.3390/app14146250.

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To address the issues of low visibility, poor real-time performance, and weak interaction capabilities in the operation of magnetic levitation circular knitting needles, an online monitoring method based on digital twin technology for magnetic levitation knitting needles is proposed. This method first conducts an in-depth analysis of the digital twin five-dimensional model of the magnetic levitation knitting needle to monitor the operational status of the equipment in real time. Additionally, an online monitoring system based on the Unity3D engine and a digital twin-based architecture for magn

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14

Takahashi, Motohiro. "Development of Planar Stage with Movable Magnet Array and Coil Switching Control." International Journal of Automation Technology 19, no. 4 (2025): 397–404. https://doi.org/10.20965/ijat.2025.p0397.

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In recent years, as semiconductors have become finer and finer, their manufacturing equipment has been required to have nanometer-scale positioning. In such systems, the main sources of positioning error are friction, thermal deformation, and strain from the roller guides. Throughput is mainly limited by the heat generated by the motor coils and thermal deformation of the stage due to friction of the roller guides. Magnetic levitation (maglev) guides can prevent these two effects that limit positioning accuracy because they can provide non-contact support for the table. In particular, compared

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15

Fitrian, Andry, and Iman Noor. "Pengembangan Model Miniatur Kereta Magnetic Levitation Sebagai Media Pembelajaran Fisika Pada Materi Gaya Magnetik." Navigation Physics : Journal of Physics Education 2, no. 2 (2020): 90–97. http://dx.doi.org/10.30998/npjpe.v2i2.483.

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The purpose of this research is to produce a development product in the form of a Magnetic Levitation Train miniature model that can be used by teachers and students in the physics learning process on magnetic force material in class XII. This study uses research and development methods. The research was conducted through several stages, namely the first stage reviewing curriculum standard notes. The second stage is the design of the tool, making a miniature model of the Magnetic Levitation Train and the use of a miniature model of the Magnetic Levitation Train in the learning process. The thi

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16

Singh, Chamkor, Arup K. Das, and Prasanta K. Das. "Levitation of non-magnetizable droplet inside ferrofluid." Journal of Fluid Mechanics 857 (October 22, 2018): 398–448. http://dx.doi.org/10.1017/jfm.2018.733.

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The central theme of this work is that a stable levitation of a denser non-magnetizable liquid droplet, against gravity, inside a relatively lighter ferrofluid – a system barely considered in ferrohydrodynamics – is possible, and exhibits unique interfacial features; the stability of the levitation trajectory, however, is subject to an appropriate magnetic field modulation. We explore the shapes and the temporal dynamics of a plane non-magnetizable droplet levitating inside a ferrofluid against gravity due to a spatially complex, but systematically generated, magnetic field in two dimensions.

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17

Kumar, Parichit, Mazyar Ansari, Ehsan Toyserkani, and Mir Behrad Khamesee. "Experimental Implementation of a Magnetic Levitation System for Laser-Directed Energy Deposition via Powder Feeding Additive Manufacturing Applications." Actuators 12, no. 6 (2023): 244. http://dx.doi.org/10.3390/act12060244.

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Magnetic levitation and additive manufacturing (AM) are two fields of significant interest in academic research. The use of non-contact forces for magnetic levitation techniques provides opportunities for adoption within the AM environment. The key goal of this article is to experimentally validate the implementation of a magnetic levitation system for Laser-Directed Energy Deposition via Powder Feeding (LDED-PF) Additive Manufacturing applications. Through simulations (conducted in ANSYS Maxwell) and experimental implementation, the levitation system’s stability is tested under a variety of d

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18

Satria, Rayhan Asprilla, Asep Suhendi, and Ahmad Qurthobi. "Magnetic Levitation System Prototype Using Proportional-Integral-Derivative Control." IOP Conference Series: Earth and Environmental Science 1209, no. 1 (2023): 012024. http://dx.doi.org/10.1088/1755-1315/1209/1/012024.

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Abstract Magnetic levitation is a phenomenon of levitation objects by using a magnetic field to defy gravity. Magnetic levitation is an interesting research topic widely used in industry or transportation such as magnetic levitation trains, conveyors, lifts, and many more. In general, magnetic levitation can be realized by regulating the current as a magnetic field source. However, due to the normally unstable power supply source, results in magnetic field instability. Therefore, a magnetic field control system is needed to stabilize the magnetic levitation system. In this study, a magnetic li

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19

Ogawa, Kazuki, Riku Miyazaki, Yamato Uchida, et al. "Experimental Consideration on Suppression Effect of Elastic Vibration in Electromagnetic Levitation System for Flexible Thin Steel Plate with Curvature." Vibration 5, no. 4 (2022): 817–28. http://dx.doi.org/10.3390/vibration5040048.

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Recently, research on non-contact conveyance systems using electromagnetic levitation technology has accelerated. We have constructed an electromagnetic levitation control system that keeps the relative distance between the electromagnet and steel plate constant. To investigate the levitation stability of thin steel plates, we performed magnetic levitation experiments on a thin steel plate with curvature. A physical disturbance was applied to the electromagnet units by vibrators. The electromagnet units were vibrated up and down by a vibrator. We investigated whether the bending magnetic levit

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20

Peng, Jiahao, Xianfeng Zhao, and Yulong Guo. "Study on the effect of permanent magnet guideway surface defect on the mechanical properties of multi-surface high-temperature superconducting permanent magnet levitation system with halbach-type guideway." Journal of Physics: Conference Series 2808, no. 1 (2024): 012068. http://dx.doi.org/10.1088/1742-6596/2808/1/012068.

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Abstract The purpose of this study is to discuss the effect of defects on the mechanical properties of halbach-type guideway surfaces in high-temperature superconducting permanent magnetic levitation systems with single-surface superconductor distribution versus multi-surface superconductor distribution. The study models the high-temperature superconducting permanent magnetic levitation system based on Maxwell’s system of equations and compares it with the experimental data to obtain the variation curve of the levitation force of the levitation system under ideal conditions. Through numerical

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21

Sun, Jiyuan, Gengyun Tian, Pin Li, Chunlin Tian, and Zhenxiong Zhou. "Levitating Control System of Maglev Ruler Based on Active Disturbance Rejection Controller." Applied Sciences 14, no. 17 (2024): 8069. http://dx.doi.org/10.3390/app14178069.

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The autonomous displacement and displacement measurement functions of the maglev ruler are performed by the mover core. The magnetic levitation ruler can serve as a viable alternative to the linear measurement system of a coordinate measuring machine. The stability of the four magnetic fields in air gaps and the levitation position of the maglev ruler is one of the key factors for the stability of the thrust force on the power core, and it is also one of the key factors for ensuring the precision of the maglev ruler. There is cross-coupling between the two ends of the mover core of the maglev

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22

Fan, Ziming, Jun Yang, and Hua Xun. "Feasibility Analysis of Vacuum Pipeline Magnetic Levitation Energy Storage System Based on Existing Magnetic Levitation Transportation Technology." E3S Web of Conferences 358 (2022): 01041. http://dx.doi.org/10.1051/e3sconf/202235801041.

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This paper is mainly summarized the research progress of maglev transportation technology. The vacuum pipeline magnetic levitation energy storage system is constructed based on the existing four types of magnetic levitation as technical prototypes, and the four schemes are formed: as followed: electromagnetic suspension (EMS) medium and low speed magnetic levitation type vacuum pipeline energy storage system, EMS high speed magnetic levitation type vacuum pipeline energy storage system, electric suspension (EDS) high speed magnetic levitation type vacuum pipeline energy storage system and supe

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23

Sheng, Xiaochao, Chia-Hsiang Menq, and Tao Tao. "Analysis of coupled motion constraints and coupling errors for a six-axis magnetic levitation stage." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 234, no. 11 (2020): 2097–112. http://dx.doi.org/10.1177/0954406220903764.

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This paper presents the coupled motion constraints and coupling errors analysis of a magnetic levitation stage, which are two aspects of the coupling characteristics of magnetic levitation stage caused by force coupling. Aiming at the motion constraint coupling problem, this paper proposes a motion constrain method based on the force distribution matrix of the magnetic levitation stage. By this method, the motion constraint intervals without input saturation for single-degree-of-freedom motion, in-plane motion, and out-of-plane motion of magnetic levitation stage are established. When used for

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24

Chen, D. X., M. C. Pan, F. L. Luo, Z. W. Kang, W. G. Tian, and Yun Yu Hu. "Electromagnetic Field Analysis and Measurement for High Speed Attraction Type Magnetic Levitation Vehicle Systems." Key Engineering Materials 295-296 (October 2005): 655–60. http://dx.doi.org/10.4028/www.scientific.net/kem.295-296.655.

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Research achievements in a high speed attraction type magnetic levitation vehicle experimental system are reported. The high speed attraction type magnetic levitation vehicle constitutes a typical long stator linear synchronous motor. The study on levitation and propulsive electromagnetic fields is of great importance and is studied. Owing to the influence of the stator grooves and the material discontinuousness, the magnetic field distribution is very complex to be analyzed in analytical forms. The magnetic fields in the air gap are determined using the finite element method. The levitation f

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25

Lobachevsky, Ya P., V. V. Kirsanov, and S. V. Kirsanov. "Development of a new technological scheme of the carousel milking platform based on the principles of magnetic levitation." Rossiiskaia selskokhoziaistvennaia nauka, no. 2 (July 24, 2024): 63–67. http://dx.doi.org/10.31857/s2500262724020128.

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The Carousel, the most capital–intensive and loaded milking unit, is a rotating platform that carries a large mechanical load. Its own weight, combined with the weight of the animals being moved, can reach 1200 kg per milking place or more. To reduce friction in the wheeled systems of high-loaded vehicles, large-sized assemblies and mechanisms of machinery and equipment, including agricultural machinery and aggregates, the use of magnetic suspension technology is promising. The research was carried out in order to develop a new technological scheme of a levitating rotating milking platform Car

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Sun, Weiwei, Kaili Wang, Congcong Nie, and Xuejun Xie. "Energy-Based Controller Design of Stochastic Magnetic Levitation System." Mathematical Problems in Engineering 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/7838431.

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This paper investigates the control problem of magnetic levitation system, in which velocity feedback signal is influenced by stochastic disturbance. Firstly, single-degree-freedom magnetic levitation is regarded as an energy-transform action device. From the view of energy-balance relation, the magnetic levitation system is transformed into port-controlled Hamiltonian system model. Next, based on the Hamiltonian structure, the control law of magnetic levitation system is designed by applying Lyapunov theory. Finally, the simulation verifies the correctness of the proposed results.

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Sandeep V. Raut, Aditya R. Wankhade, Nilesh A. Jadhav, Chetan E. Kolambe,. "Wind Power Generation Using Magnetic Levitation." Mathematical Statistician and Engineering Applications 71, no. 1 (2022): 514–21. http://dx.doi.org/10.17762/msea.v71i1.2585.

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The phrase “Levitation” refers to a class of technologies that uses magnetic levitation to force wind turbines with magnets, which otherwise propel with axles and bearings. Maglev (derived from magnetic levitation) uses magnetic levitation to propel wind turbine for the generation of electricity. The present scenario indicates that the demand for electricity is increasing day by day and to meet it many research are going on. Electricity generation through renewable energy sources has gained attention in the last few decades due to depleting conventional energy sources and may help to reduce re

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Lan, Yi Peng, and Cheng Jun Li. "Magnetic Levitation Permanent Magnet Linear Synchronous Motor Electromagnetic Analysis." Advanced Materials Research 383-390 (November 2011): 5233–37. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.5233.

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According to the problem of the friction between the mover and the static guide rail in the linear motor drive system of CNC machine tool, this paper proposed the direct magnetic levitation permanent magnet linear synchronous motor to achieve friction-free feed. The mover of the direct magnetic levitation permanent magnet linear motor consists of two sets of windings. One is the thrust winding, which is used to generate electromagnetic thrust, the other is the suspension winding, which is used to generate magnetic levitation force. The mathematical model of the motor’s electromagnetic thrust a

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Zhang, Yuxin, Lei Zhang, Guochen Shen, and Qian Xu. "Physical Structure Expression for Dense Point Clouds of Magnetic Levitation Image Data." Sensors 23, no. 5 (2023): 2535. http://dx.doi.org/10.3390/s23052535.

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The research and development of an intelligent magnetic levitation transportation system has become an important research branch of the current intelligent transportation system (ITS), which can provide technical support for state-of-the-art fields such as intelligent magnetic levitation digital twin. First, we applied unmanned aerial vehicle oblique photography technology to acquire the magnetic levitation track image data and preprocessed them. Then, we extracted the image features and matched them based on the incremental structure from motion (SFM) algorithm, recovered the camera pose para

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Murakami, Iwanori, Yiming Zhao, and Tatuhiro Tashiro. "Stabilization of a Magnetic Repulsive Levitation Flywheel System Using a High-Efficiency Superconducting Magnetic Bearing." Actuators 11, no. 7 (2022): 180. http://dx.doi.org/10.3390/act11070180.

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In this study, we developed a superconducting magnetic bearing using a permanent repulsive magnet. A repulsive magnetic levitation system with a permanent magnet can generate a strong levitation force in the absence of a power supply. However, it is unstable, except in the direction of repulsion. In contrast, superconducting magnetic bearings can generate a restoring force in all directions by utilizing the magnetic flux pinning property of the superconductors. Therefore, we constructed a superconducting magnetic bearing (SMB), which is stable along all axes without control, and has a strong a

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Lan, Yi Peng, Hui Zhao, and Hong Xuan Lan. "Research on Permanent Magnet Linear Motor without Friction Feed." Advanced Materials Research 383-390 (November 2011): 681–86. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.681.

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In order to eliminate the friction of the feed system in NC Machine Tools, this paper presented a novel direct magnetic levitation permanent magnet linear motor. First, the structure and magnetic levitation theory of the direct magnetic levitation motor were discussed. Second, on the basis of the motor magnetic hierarchical model, the expression of the magnetic field and the electromagnetic force was derived by the virtual displacement method. Finally, no-load magnetic field, load air-gap flux density and the electromagnetic force of the motor were simulated by using Ansoft Maxwell 2D software

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Ma, Su Yang, Ping Liao, Guo Qing Wu, Jing Feng Mao, and An Dong Jiang. "Research on Electromagnetic Field Analysis of Magnetic Levitation Rail Machine." Applied Mechanics and Materials 37-38 (November 2010): 1010–16. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.1010.

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This paper introduced the working principle of magnetic levitation rail machine and carried out the magnetic analysis. Take the weight of 132N simulation workbench prototype for example, finite element analysis of rail electromagnetic fields is applied through ANSYS software to find out the variation law of magnetic field distribution and affecting factors. Analysis shows that magnetic levitation rail machine has small leakage magnetic field, high load capacity and large anti-external disturbances capacity if the parallelism and the straightness of magnetic levitation rail machine are no more

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Sumino, Sumino, and Achmad Gilang Romadhon. "Magnetic Levitation Technology As An Object Floating Technique In Wooden Craft." Corak 11, no. 1 (2022): 101–8. http://dx.doi.org/10.24821/corak.v11i1.7510.

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Research and application of magnetic levitation have been expanded in electric motors, generators, radar monitoring systems, car-door central locks, and metal object towing devices. In the operation, the objects do not touch each other. The use of a magnet-based system that floats objects is called a levitation system. In earlier times, fine art had been comfortable with its structure. Consequently, it is not prepared to deal with electromagnetic technology systems. Magnetic levitation technology is the process of floating objects with a gravitational force that rejects or counteracts each oth

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Tang, Xiaowei, Seiji Hashimoto, Nobuyuki Kurita, et al. "Development of a Conveyor Cart with Magnetic Levitation Mechanism Based on Multi Control Strategies." Applied Sciences 13, no. 19 (2023): 10846. http://dx.doi.org/10.3390/app131910846.

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This paper presents the experimental magnetic levitation control development of Sanki Engineering airport luggage conveyor carts which have four magnetic levitation units working synchronously. With the PID controller, the state feedback controller and the zero-power controller refined by PID controller were implemented in the one magnetic levitation unit system and four-unit magnetic levitation system, and the displacement and the current were verified in a real-time system. The magnetic levitation unit had a fast response, and the control algorithms were easily implemented. The change of cur

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Zheng, Zhongqiao, and Minzheng Xu. "Active magnetic levitation guide based on magnetic damping control." Modern Physics Letters B 31, no. 19-21 (2017): 1740015. http://dx.doi.org/10.1142/s0217984917400152.

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With the application of active magnetic levitation technology, flutter is a problem in the planar multi-point support system, which reduces the bearing capacity and the control precision, and it is difficult to apply advanced control strategies. Therefore, a new method called magnetic damping control is proposed to solve the flutter problem, which can make active magnetic levitation guide to run smoothly.

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Davydov, A. M. "WINDOWS OF OPPORTUNITIES FOR TRANS-EURASIAN BELTS." World of Transport and Transportation 15, no. 5 (2017): 264–68. http://dx.doi.org/10.30932/1992-3252-2017-15-5-24.

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[For the English abstract and full text of the article please see the attached PDF-File (English version follows Russian version)].Vacuum and levitation transport systems: scientific foundation, technology and outlook for railways: Collective monograph. Edited by B. M. Lapidus, S. B. Nesterov. Moscow, RAS publ., 2017, 192 p. ABSTRACT Collective monograph of the members and scientific partners of the Joint scientific council of the JSC Russian Railways is devoted to the issues of fundamental research in the field of magnetic levitation and vacuum levitation technology. The publication of the bo

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Jiang, J., Y. M. Gong, G. Wang, et al. "Levitation forces of a bulk YBCO superconductor in gradient varying magnetic fields." International Journal of Modern Physics B 29, no. 25n26 (2015): 1542047. http://dx.doi.org/10.1142/s0217979215420473.

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The levitation forces of a bulk YBCO superconductor in gradient varying high and low magnetic fields generated from a superconducting magnet were investigated. The magnetic field intensity of the superconducting magnet was measured when the exciting current was 90 A. The magnetic field gradient and magnetic force field were both calculated. The YBCO bulk was cooled by liquid nitrogen in field-cooling (FC) and zero-field-cooling (ZFC) condition. The results showed that the levitation forces increased with increasing the magnetic field intensity. Moreover, the levitation forces were more depende

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Ren, Mengyi, and Koichi Oka. "Design of a Noncontact Torsion Testing Device Using Magnetic Levitation Mechanism." Actuators 12, no. 4 (2023): 174. http://dx.doi.org/10.3390/act12040174.

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To facilitate torsion testing in special environments, a noncontact torsion testing device, where a noncontact torque can be transmitted to a specimen, was developed using magnetic levitation technology. A permanent magnetic gear is used to produce noncontact torque. In addition, four electromagnets and four attractive-type permanent magnetic bearings were employed to realize levitation; in more detail, the four electromagnets actively stabilized two levitation degrees of freedom (DoFs), while the four attractive-type permanent magnetic bearings passively stabilized four DoFs. Furthermore, a p

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Endo, Ayato, Rintaro Itoyama, Jumpei Kuroda, et al. "Vibration Characteristics of Flexible Steel Plate on Proposed Magnetic Levitation System Using Gravity." Vibration 5, no. 4 (2022): 936–45. http://dx.doi.org/10.3390/vibration5040054.

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Flexible steel plates are generally transported by rollers; however, the contact between the rollers and the steel plate degrades the surface quality of the plate. To solve this problem, noncontact transportation of steel plates using electromagnetic force has been proposed. However, ultrathin flexible steel plates can easily fall owing to deflection. A magnetic levitation system using electromagnets installed in the horizontal direction has also been proposed to improve the levitation performance of a conventional system. However, it is difficult to control vibrations with such a system becau

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Kumar, Parichit, Saksham Malik, Ehsan Toyserkani, and Mir Behrad Khamesee. "Development of an Electromagnetic Micromanipulator Levitation System for Metal Additive Manufacturing Applications." Micromachines 13, no. 4 (2022): 585. http://dx.doi.org/10.3390/mi13040585.

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Magnetism and magnetic levitation has found significant interest within the field of micromanipulation of objects. Additive manufacturing (AM), which is the computer-controlled process for creating 3D objects through the deposition of materials, has also been relevant within the academic environment. Despite the research conducted individually within the two fields, there has been minimal overlapping research. The non-contact nature of magnetic micromanipulator levitation systems makes it a prime candidate within AM environments. The feasibility of integrating magnetic micromanipulator levitat

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Durmus, Naside Gozde, H. Cumhur Tekin, Sinan Guven, et al. "Magnetic levitation of single cells." Proceedings of the National Academy of Sciences 112, no. 28 (2015): E3661—E3668. http://dx.doi.org/10.1073/pnas.1509250112.

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Several cellular events cause permanent or transient changes in inherent magnetic and density properties of cells. Characterizing these changes in cell populations is crucial to understand cellular heterogeneity in cancer, immune response, infectious diseases, drug resistance, and evolution. Although magnetic levitation has previously been used for macroscale objects, its use in life sciences has been hindered by the inability to levitate microscale objects and by the toxicity of metal salts previously applied for levitation. Here, we use magnetic levitation principles for biological character

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Liu, Guancheng, Meng Gao, Deshuai Sun, Renjun Jiang, and Lei Fan. "Three-Dimensional Active Magnetic Levitation Actuating and Control System for Curved Pipes." Applied Sciences 14, no. 23 (2024): 10871. http://dx.doi.org/10.3390/app142310871.

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A three-dimensional active maglev (magnetic levitation) actuating system based on force imbalance is proposed. By combining the principle of force imbalance control with the control algorithm, the stable levitation and controllable levitating motion of the magnetic ball can be realized. The four electromagnetic actuating structures are used to stabilize the force of the controlled object, and the dual-hall sensor group and hardware differential method are used to improve control stability and accuracy. By combining the fine adjustment of the active maglev actuating system with the coarse adjus

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Sun, Z. G., N. C. Cheung, S. W. Zhao, and W. C. Gan. "The application of disturbance observer-based sliding mode control for magnetic levitation systems." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 224, no. 8 (2009): 1635–44. http://dx.doi.org/10.1243/09544062jmes1572.

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A control algorithm for the position tracking of a magnetic levitation system is presented in this article. The magnetic levitation system is well known for its non-linear dynamic characteristics and open-loop instability. The external disturbances will deteriorate the dynamic performance of the magnetic levitation system, and may give rise to system instability. This problem triggers enormous interests in designing various controllers for the non-linear dynamic system. In this article, a magnetic levitation system is first modelled. Then, a sliding mode controller is proposed, with a simple y

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Zhang, Jun. "Simulation of the Electro-Superconducting System Based on the H Equation." Journal of Chemistry 2022 (July 2, 2022): 1–7. http://dx.doi.org/10.1155/2022/6831771.

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In order to reduce the levitation energy consumption and increase the levitation air gap, a simulation study of the electrochemistry superconducting magnetic levitation system based on the H equation is proposed. Through finite element simulation, the magnetic field distribution, current distribution, force, and other characteristics of the magnetic suspension system in the superconducting gravimeter are obtained; the relationship between the force of the superconducting ball in the magnetic field and the height of the suspension body and the current of the suspension coil is analyzed; and the

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Zheng, Zhongqiao, Xiaojing Wang, Yanhong Zhang, and Jiangsheng Zhang. "Research on Neural Network PID Quadratic Optimal Controller in Active Magnetic Levitation." Open Mechanical Engineering Journal 8, no. 1 (2014): 42–47. http://dx.doi.org/10.2174/1874155x01408010042.

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In response to the uncertainty, nonlinearity and open-loop instability of active magnetic levitation control system, a neural network PID quadratic optimal controller has been designed using optimum control theory. By introducing supervised Hebb learning rule, constraint control for positioning errors and control increment weighting are realized by adjusting weighting coefficients, using weighed sum-squares of the control increment and the deviation between actual position and equilibrium position of the rotor in active magnetic levitation system as objective function. The simulation results s

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Yaghoubi, Hamid. "The Most Important Maglev Applications." Journal of Engineering 2013 (2013): 1–19. http://dx.doi.org/10.1155/2013/537986.

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The name maglev is derived from magnetic levitation. Magnetic levitation is a highly advanced technology. It has various uses. The common point in all applications is the lack of contact and thus no wear and friction. This increases efficiency, reduces maintenance costs, and increases the useful life of the system. The magnetic levitation technology can be used as an efficient technology in the various industries. There are already many countries that are attracted to maglev systems. Many systems have been proposed in different parts of the worlds. This paper tries to study the most important

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Alseed, M. Munzer, Sajjad Rahmani Dabbagh, Peng Zhao, Oguzhan Ozcan, and Savas Tasoglu. "Portable magnetic levitation technologies." Advanced Optical Technologies 10, no. 2 (2021): 109–21. http://dx.doi.org/10.1515/aot-2021-0010.

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Abstract Magnetic levitation (MagLev) is a density-based method which uses magnets and a paramagnetic medium to suspend multiple objects simultaneously as a result of an equilibrium between gravitational, buoyancy, and magnetic forces acting on the particle. Early MagLev setups were bulky with a need for optical or fluorescence microscopes for imaging, confining portability, and accessibility. Here, we review design criteria and the most recent end-applications of portable smartphone-based and self-contained MagLev setups for density-based sorting and analysis of microparticles. Additionally,

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TSUDA, Makoto, and Atsushi ISHIYAMA. "Application to Magnetic Levitation." TEION KOGAKU (Journal of the Cryogenic Society of Japan) 46, no. 3 (2011): 94–101. http://dx.doi.org/10.2221/jcsj.46.94.

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Huba, Mikuláš, and Martin Kamenský. "CONSTRAINED MAGNETIC LEVITATION CONTROL." IFAC Proceedings Volumes 38, no. 1 (2005): 901–6. http://dx.doi.org/10.3182/20050703-6-cz-1902.00806.

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Simon, Martin D., Lee O. Heflinger, and S. L. Ridgway. "Spin stabilized magnetic levitation." American Journal of Physics 65, no. 4 (1997): 286–92. http://dx.doi.org/10.1119/1.18488.

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