Results 51 to 60 of about 2,501,390 (313)

Design and Control of Magnetic Levitation System by Optimizing Fractional Order PID Controller Using Ant Colony Optimization Algorithm

IEEE Access, 2020
MAGnetic LEVitation (Maglev) is a multi-variable, non-linear and unstable system that is used to levitate a ferromagnetic object in free space. This paper presents the stability control of a levitating object in a magnetic levitation plant using ...
Abdullah Mughees, Syed Ali Mohsin
semanticscholar   +1 more source

Research on the hysteresis properties of a pitching NACA0012 airfoil under low transonic ground effect

Kongqi donglixue xuebao
Based on an investigation of pitch oscillation encountered during electromagnetic-assisted near-ground takeoff of a NACA0012 airfoil, this study proposes a layering criterion for transonic static ground effects.
Xingdong LUO, Zihao HOU
doaj   +1 more source

Magnetic levitation force between a superconducting bulk magnet and a permanent magnet

, 2002
The current density in a disk-shaped superconducting bulk magnet and the magnetic levitation force exerted on the superconducting bulk magnet by a cylindrical permanent magnet are calculated from first principles.
Brandt E H, Brandt E H, C Li, C Y He, J J Wang, L F Meng, Lairson B M, R S Han, Yoo S I, Z X Gao   +9 more
core   +1 more source

Design and Control of EMS Magnetic Levitation Train using Fuzzy MRAS and PID Controllers [PDF]

, 2020
In this paper, a Magnetic Levitation (MAGLEV) train is designed with a first degree of freedom electromagnetbased totally system that permits to levitate vertically up and down.
Alemayehu, Elias, Jibril, Mustefa, Tadesse, Mesay   +2 more
core  

Ironless magnetically levitated planar actuator [PDF]

Journal of Applied Physics, 2008
This paper describes a magnetically levitated planar actuator with moving magnets. This ironless actuator has a stationary coil array above which a translator with a permanent-magnet array is levitated and propelled in the xy plane. During the movements in the xy plane, the set of active coils is switched, as a result of which the stroke in the xy ...
Jansen, J.W., Lierop, van, C.M.M., Lomonova, E.A., Vandenput, A.J.A.   +3 more
openaire   +2 more sources

The switching ratio and stability of ITO/HfO2/SiO2/Ag memristors improved by SiO2 functional layer

Gongneng cailiao yu qijian xuebao
The randomness of conductive filament growth and rupture has always been a key factor affecting the switching ratio and stability of memristors. In this paper, an ITO/HfO2/SiO2/Ag memristor with an HfO2/SiO2 heterojunction as the functional layer was ...
Xin XU, Hong ZHANG, Feng YANG, Yong ZHANG   +3 more
doaj   +1 more source

Magnetic levitation on a type-I superconductor as a practical demonstration experiment for students

, 2012
We describe and discuss an experimental set-up which allows undergraduate and graduate students to view and study magnetic levitation on a type-I superconductor.
, , , , , , , , , , Brandt E H, D E Lahera, H Suderow, Jackson J D, M R Osorio, Pobell F, Poole C P, Schmidt V V, Tinkham M, White G K   +19 more
core   +1 more source

Measurements of mechanical Q in levitated paramagnetic crystals [PDF]

, 2000
Thermal noise from test masses, arising both from internal noise in the test mass material and from losses in the suspension wires and their attachments, is a significant factor limiting sensitivity of interferometric gravity-wave detectors.
Augst, S. J., Drever, R. W. P.
core   +1 more source

Quantifying the levitation picture of extended states in lattice models

, 2002
The behavior of extended states is quantitatively analyzed for two dimensional lattice models. A levitation picture is established for both white-noise and correlated disorder potentials.
A. Gramada, A. Potts, A.A. Shashkin, Ana L. C. Pereira, Ana L.C. Pereira, B. Huckestein, C.H. Lee, D. Shahar, D.E. Khmelnitskii, D.J. Thouless, D.N. Sheng, D.N. Sheng, D.N. Sheng, D.R. Hofstadter, D.Z. Liu, E. Abrahams, F. Wegner, F.D.M. Haldane, H.W. Jiang, I. Glozman, K. Yang, K. Yang, K.v. Klitzing, M. Hilke, M.M. Fogler, P. A. Schulz, R.B. Laughlin, R.J.F. Hughes, S. Das Sarma, S. Kivelson, S.-H. Song, S.R.E. Yang, T. Ando, T. Wang, T.H. Koschny, T.V. Shahbazyan, X.C. Xie, Y. Morita   +37 more
core   +1 more source

Running performance of an aerodynamic journal bearing with squeeze film effect [PDF]

, 2013
Results of theoretical and experimental studies concerning the performance of an aerodynamic journal bearing which running is assisted by squeeze film ultrasonic levitation (SFUL) are presented in this paper.
Ha, Ono, Salbu, Shigeka Yoshimoto, Stolarski, Stolarski, Stolarski, Stolarski, Tadeusz Stolarski, Tomohiro Shou, Vandaele, Wiesendanger, Xue, Yoshimoto   +13 more
core   +1 more source