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Keywords: magnetic forces
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Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2010, 77(1): 011005.
Published Online: September 24, 2009
...Tsuyoshi Inoue; Yasuhiko Sugawara; Motoki Sugiyama Active magnetic bearing (AMB) becomes widely used in various kinds of rotating machinery. However, as the magnetic force is nonlinear, nonlinear phenomena may occur when the rotating speed becomes high and delays of electric current or magnetic...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2007, 74(6): 1178–1186.
Published Online: February 8, 2007
.... To determine the forces due to the asymmetrical magnetic field, the magnetic flux density must be determined in the whole air gap region around the rotor. The determination of magnetic forces has been carried out for more than a century. The mechanical rotor system is modeled as a Stodola–Green rigid...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2007, 74(5): 996–1005.
Published Online: January 31, 2007
... presented in this paper is that the internal magnetic forces between the legs of the actuator, resulting from the ESD-associated high current pulses, might produce vibrations of amplitude sufficient to produce these cracks. However, a dynamic analysis based on simple beam theory indicated that such cracks...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2007, 74(6): 1061–1070.
Published Online: November 7, 2005
...Jen-San Chen; Cheng-Han Yang In this paper we study, both theoretically and experimentally, the nonlinear vibration of a shallow arch with one end attached to an electro-mechanical shaker. In the experiment we generate harmonic magnetic force on the central core of the shaker by controlling...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. May 2002, 69(3): 380–387.
Published Online: May 3, 2002
...J. Yoo, Assoc. Mem. ASME, Assistant Professor The topology optimization of a switched reluctance motor (SRM) excited by magnetic forces is an important issue to minimize the noise and vibration level. In this paper, the magnetic force is computed using the Maxwell stress method and the optimization...