speed control of 3 phase induction motor using microcontroller filetype pdf

... outputs of an induction motor, we can use this motor controller to control an induction machine. ã TMS320F2 43 DSP controller. This is manufactured by the Texas Instruments Company and is one of ... the induction motor s many advantages are clearly explained. Wildi also presents the two types of induction motors: “the squirrel cage induction motor and the “wound motor . An explanation of ... Design………………………………. 9 3. 1. The basic control format…………………………… 9 3. 2. The existing motor controller……………………… 10 3. 3. Current sensing module……………………………… 11 3. 4. The speed sensor……………………………………...

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... Thêm R add nối tiếp cuộn dây phần ứng Example 1: Example 2: Example 3: nh lut Bio-Savart: nh lut Faraday: ( ) BlIeF r r r ì= () l.Bve r r r ì= ...

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... 6,57 7,75 6, 73 5,56 - Experiment * 6,0 12 ,3 19,2 29,0 33 ,0 Analysis 6,5 13, 4 21,0 31 ,6 - 20%TiO 2 + 20%W800 + 60% AKAVINA polyester (sample type B) Error % 8 ,33 8,94 9 ,30 8,96 - Note: ... )            =+       ∂∂ ∂ + + ∂ ∂ + ∂ ∂ − ∂∂ ∂ ++ ∂ ∂ =+       ∂∂ ∂ + + ∂ ∂ + ∂ ∂ − ∂∂ ∂ ++ ∂ ∂ −= ∂ ∂ + ∂ ∂ 0 12 2 0 12 2 2 2 55 1 2 2 44 2 2 44 1 32 3 ,1 3 3 2 2 44 1 2 2 55 2 2 55 1 32 3 ,1 3 3 2 ψ ψψψ ϕ ϕϕϕ ψϕ I yxA DD xA D yA D I hyx w DD y w D I yxA DD yA D xA D I hyx w DD x w D hI z yx xyxyy yxy xyxyy yxx (3) ... bending deflection 3- phase composite Concentrate force Deflection (mm) 1kN 3kN 6kN 10kN Ultimate deflection Experiment * 7,6 14,2 20,8 32 ,4 34 ,3 Analysis 8,1 15 ,3 22,2 34 ,2 - 10%TiO 2 ...

Ngày tải lên: 14/03/2014, 13:20

... )            =+       ∂∂ ∂ + + ∂ ∂ + ∂ ∂ − ∂∂ ∂ ++ ∂ ∂ =+       ∂∂ ∂ + + ∂ ∂ + ∂ ∂ − ∂∂ ∂ ++ ∂ ∂ −= ∂ ∂ + ∂ ∂ 0 12 2 0 12 2 2 2 55 1 2 2 44 2 2 44 1 32 3 ,1 3 3 2 2 44 1 2 2 55 2 2 55 1 32 3 ,1 3 3 2 ψ ψψψ ϕ ϕϕϕ ψϕ I yxA DD xA D yA D I hyx w DD y w D I yxA DD yA D xA D I hyx w DD x w D hI z yx xyxyy yxy xyxyy yxx (3) N.D. Duc, ... modules for 3- phase composite plate The elastic modules for 3- phase composite are calculated step by step by 2 -phase model as in [5,6,8]. We also carried out the experiments for 3- phase composite’s ... elastic modules for 3- phase composite with different volume ratio of fiber and particle. Our purpose in this paper is to continue the experiments, for the bending of 3- phase composite plates...

Ngày tải lên: 21/07/2014, 16:21

... Kaufman, San Francisco, CA. 235 Method P R F Acc Unsupervised clustering (4 .3. 3) 64.5 61 .3 62.0 64.5 Cluster Labeling (4 .3. 1) 65.1 69.0 67.2 68.5 HITS Features (4 .3. 2) 69.1 70.6 70.6 70.1 Best ... label of the cluster with the largest number of pattern instances in the corpus. One advantage of this method is that we get as a by-product a set of labeled pattern clusters. Ex- amination of this ... as possible, we avoided using any such preprocessing techniques. 2 .3 Classification Features A wide variety of features are used by different algorithms, ranging from simple bag -of- words fre- quencies...

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... threshold), to the S phase, the G 2 phase, the M phase, and finally to the stationary G 1 state where it remains. The cell-cycle sequence has a total length of 13 discrete time steps (period of the cycle). ... one had finished. 3. 1. PGN yeast cell-cycle model In order to study the effect of noise and the increase of the number of signal levels in the performance of Li’s yeast- model [3] , we translated ... “Comprehen- sive identification of cell cycle-regulated genes of the yeast Sac- charomyces cerevisiae by microarray hybridization,” Molecular Biology of the Cell, vol. 9, no. 12, pp. 32 73 32 97, 1998. [15] J....

Ngày tải lên: 22/06/2014, 19:20

... using a variant of this controller, the so-called PD control with desired gravity compensation. The study of this controller is precisely the subject of the present chapter. The PD control law with ... feedback control law effective for trajectory tracking of robot motion?”, in Proceed- ings of the 1988 IEEE International Conference on Robotics and Automa- tion, Philadelphia, PA., pp. 133 5– 134 0, ... is given at the end of the chapter. The previous knowledge of part of the dynamic robot model to be controlled is required in the control law, but in contrast to the PID controller which, under the...

Ngày tải lên: 09/08/2014, 07:20

... Journal of Inflammation 2010, 7 :33 http://www.journal-inflammation.com/content/7/1 /33 Page 3 of 7 Table 1: Lung HDAC2 activity and KC expression in smoke-exposed mice wt PI3Kγ -/- PI3Kδ D910/A910 Sham ... 53. 4 ± 6.5*** 53. 6 ± 8.2 100 61.1 ± 6.9*** 39 .9 ± 3. 5## 100 104.6 ± 7 .3 124.7 ± 10.5 Lung KC expression (pg/mg protein) 180.1 ± 12.7 135 7.2 ± 162.8*** 134 6.1 ± 98.1 1 83. 5 ± 5.7 1947.1 ± 215 .3* ** ... work is properly cited.Journal of Inflammation 2010, 7 :33 Marwick et al. Journal of Inflammation 2010, 7 :33 http://www.journal-inflammation.com/content/7/1 /33 Page 2 of 7 [2,7]. These are used to...

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... Search rules of the various cases of operation are summarized in the table I. Fi g.4. Operation modes of buck boost converter 2 Unlike constant -speed control, a variable -speed control can ... Fig.5. Probable displacement of the operating point between the operating power and the maximum power, in the event of change of the wind speed, the control of the buck- boost converter ... improvement using variable speeds,” IEEE Trans. Ind. Applicat., vol. 33 , pp. 1444– 1447, Nov./Dec. 1997. [3] A. Bouscayrol, Ph. Delarue and X. Guillaud, “Power strategies for maximum control structure...

Ngày tải lên: 03/01/2014, 19:15

... were of no clinical significance. It is interesting that naturally occurring anti-PEG antibodies were detected in about 0.2% of healthy blood donors and 3. 3% of untreated allergic patients [33 ]. From ... monomethoxypolyethylene glycol. Transfer of tolerance by T cells and by T cell extracts. J Immunol 1987, 139 :32 6 -33 1. 35 . Chen Y, Takata M, Maiti PK, Rector ES, Sehon AH: Characteriza- tion of suppressor T cell ... Cancer Res 2004, 10: 533 5- 534 1. 30 . Caliceti P, Schiavon O, Veronese FM: Immunological properties of uricase conjugated to neutral soluble polymers. Bioconjug Chem 2001, 12:515-522. 31 . Richter AW,...

Ngày tải lên: 09/08/2014, 07:20

... 2 3 4 x ± s 29 03 22 30 35 6 23 ± 13 a 232 2 58 67 75 42 61 ± 14 b 1742 118 61 127 82 97 ± 30 b 1161 148 116 126 83 118 ± 27 b 290 32 5 234 287 38 0 30 7 ± 62 c 145 32 1 32 7 32 7 32 9 32 6 ± 3 c 29 39 9 ... 2 3 x ± s log Linear 7 83 0 0 0 0 587 0 0 0 0 a 39 2 0 0 0 0 a 196 88 25 88 67 ± 36 aa 157 37 5 125 288 2 63 ± 127 bab 117 4 63 4 13 438 438 ± 25 bc ab 78 7 63 450 725 646 ± 171 cb 39 1 638 1050 18 13 ... 6. 83 15 0 13. 4 12.8 13. 9 13. 4 b 0.644 7.91 20 0 15.7 14.7 15.6 15.4 c 0.0995 9.89 25 0 16.8 15.7 16 .3 16.2 c 0.100 10.8 30 0 19 .3 18.2 17.8 18.4 d 0.00551 13. 0 35 0 23. 5 20 .3 21.4 21.7 e 0.00163...

Ngày tải lên: 11/08/2014, 00:22