Magnetic Bearings Theory and Applications Part 9 ppt

... force amplitude. Indeed, Fig. 19 and 20 show the force and the stiffness for a fixed air gap when the magnet height varies. Magnetic Bearings, Theory and Applications9 2  4  2 0 2 4  50 0 50 100 z  mm  Axial ... outer face of the inner ring permanent magnet and (V) is the volume of the inner ring permanent magnet. So, Magnetic Bearings, Theory and Applications9 6 0....

Ngày tải lên: 21/06/2014, 02:20

... features, and with a vast range of diverse applications (Dussaux, 199 0). The conventional magnetic- bearing motor usually has a rotary motor installed between two radial magnetic bearings, or ... et al., 199 6), (Oshima et al., 199 6 a,b), (Zhaohui & Stephens, 2005), (Chiba et al., 2005). The radial magnetic bearings create radial levitation forces for rotor, while an ax...

Ngày tải lên: 20/06/2014, 06:20

... (8) and (9) 1 F and 1 T are calculated by substituting 0 g g z   , 1 s d d i i , and 1 s q q i i , and 2 F and 2 T are calculated by substituting 0 g g z   , 2 s d d i i  , and ... 0 3 2 sd f sl L L L g    (4) and mutual inductance 0 3 2 sd m L L g   (5) Magnetic Bearings, Theory and Applications6 6 From (2) to (5), the magnetic co-...

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... & Yonnet, J. ( 199 8). A partially passive magnetic suspension for a discoidal wheel., J. Appl. Phys. 64(10): 599 7– 599 9. Meeks, C. ( 197 4). Magnetic bearings, optimum design and applications, First ... & Yonnet, J. ( 199 8). A partially passive magnetic suspension for a discoidal wheel., J. Appl. Phys. 64(10): 599 7– 599 9. Meeks, C. ( 197 4). Magnetic bearings, optim...

Ngày tải lên: 20/06/2014, 06:20

... with the result X = ⎡ ⎣ 1.7454 −0.87 39 0.0 393 −0.87 39 1.3075 −0.51 09 0.0 393 −0.51 09 2.0436 ⎤ ⎦ , Y =  0 .95 91 1. 290 7 −0.10 49 −0. 195 0 −0.5166 −0.4480  , γ = 1.85 09 K =  1.2524 1.7652 0.0436 −0.0488 ... 0.0448 0.1 299 ⎤ ⎦ , Z = ⎡ ⎣ −0.0006 0.4457 0.0117 0.0701 −0.06 29 −0.5 894 ⎤ ⎦ Thus, the virtual sensor gain matrix J was computed as J = ⎡ ⎣ 0.0002 0.6 296 0.0473 0...

Ngày tải lên: 20/06/2014, 04:20

... obtained from publication@sciyo.com Magnetic Bearings, Theory and Applications, Edited by Boštjan Polajžer p. cm. ISBN 97 8 -95 3-307-148-0 Magnetic Bearings, Theory and Applications4 3. System Identification ... the hor i c Moments, 199 5) 9 5) a s four o m are i zontal . Magnetic Bearings, Theory and Applications Edited by Boštjan Polajžer Published...

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... step reference and step disturbance with controllers C lead (s), C(s), C 1 (s), and C 2 (s), and the designed FLC. Magnetic Bearings, Theory and Applications1 2 Fig. 11. Magnetic bearing ... bearing system to step reference and step disturbance with controllers C lead (s), C(s), C 1 (s), and C 2 (s), and the designed FLC. Magnetic Bearings, Theory and A...

Ngày tải lên: 20/06/2014, 06:20

... are shown in Figs. 12 and 14. Magnetic Bearings, Theory and Applications2 6 10. References Williams, R.D, Keith, F.J., and Allaire, P.E. ( 199 0). Digital Control of Active Magnetic Bearing, IEEE ... ( 199 4) Application of Digital Signal Processors for Industrial Magnetic Bearings, IEEE Trans. on Control System Technology, Vol. 2, No. 4, pp. 280-2 89, December 199 4....

Ngày tải lên: 20/06/2014, 06:20

... small and the Magnetic Bearings, Theory and Applications4 0 6. References Antila, M., Lantto, E. & Arkkio, A. ( 199 8). Determination of forces and linearized parameters of radial active magnetic ... ( 199 9). Magnetic bearings actuator design using genetic alghoritms. Journal of Engineering Design. Vol. 10, No. 2, pp. 143–164. Hameyer, K. & Belmans, R. ( 199...

Ngày tải lên: 20/06/2014, 06:20

... 10, No. 6, Dec. 2005 pp. 666 – 674. Magnetic Bearings, Theory and Applications8 4 Magnetic Bearings, Theory and Applications8 6 Permanent magnet bearings for rotating shafts are constituted of ... 20 09, pp. 494 -505. (a) Okada Y.; Dejima K. and Ohishi T. ( 199 5). Analysis and comparison of PM synchronous motor and induction motor type magnetic bearing, IEEE Tran...

Ngày tải lên: 20/06/2014, 06:20