currents in stator during microstep and the resultant current

AN0822 stepper motor microstepping with PIC18C452

Ngày tải lên : 11/01/2016, 14:27

... the windings will produce a flux in the air gap proportional to the current in that winding So the flux in the air gap is directly proportional to the vector sum of the winding currents, in the ... θ, the resultant current remains same and equal to ‘IPEAK’  2002 Microchip Technology Inc AN822 FIGURE 21: CURRENTS IN STATOR DURING MICROSTEP AND THE RESULTANT CURRENT Winding A IPEAK Winding ... are trying to measure across the terminals and 3, or and 4, or and 3, or and 4), then the terminals are of different windings Change your lead to another terminal and check again to find a finite...

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Báo cáo y học: " Lanthanum associated abnormal liver function tests in two patients on dialysis: a case report" pdf

Ngày tải lên : 11/08/2014, 14:21

... http://www.jmedicalcasereports.com/content/3/1/9321 Later in April 2008 during a routine HD clinic at a satellite dialysis unit she complained of incessant itching Routine bloods confirmed jaundice with bilirubin 49 mmol/L with further derangement ... against damage In the liver La is mainly found in the lysosomes and biliary canaliculi Although in clinical trials there was no difference in LFTs' between patients receiving Neither of our cases ... AC conceived of the study; GN and NM drafted the manuscript LY, JM, SS, ID and TL participated in its design and carried out the coordination All authors read and approved the final manuscript...

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The ULTIMATE Your Guide to Good Health One Cup of Tea at a Time pptx

Ngày tải lên : 22/03/2014, 18:20

... Several minutes after the caffeine has entered your system, the L-theanine is secreted from the small intestine into the blood system and into the brain where it stimulates alpha brain waves, ... “withering the leaves.” The withered leaves are rolled, which releases the oils within the leaf These oils mix with the oxygen in the air and the leaves begin to ferment or oxidize When the rolled ... spoon to push the tea bag down into the water If you are serving it at home, pour the milk into the cup, if you like it that way, then place the tea bag in the cup, then pour in the water Lastly,...

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Báo cáo hóa học: " Nanospiral Formation by Droplet Drying: One Molecule at a Time" ppt

Ngày tải lên : 21/06/2014, 11:20

... ring Pinning of the contact line is a “self-pinning” process, which means that the accumulation of the solute at the contact line perpetuates the pinning of the contact line [58] Multiple rings ... is used here) [61] The B-form Conclusions The unique combination of the binary solvent system and the self-assembling tendency of the carboxylic acids at the interface allow the droplet evaporation ... more prominent with increasing m-cresol amount (Figure 3b, b’) The circular stripes are on top of the straight ones Increasing coverage of the circular feature was obtained with increasing m-cresol...

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ONE STEP AT A TIME pdf

Ngày tải lên : 23/06/2014, 00:20

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Báo cáo y học: "Transcription, one allele at a time" ppsx

Ngày tải lên : 09/08/2014, 20:22

... is identical in the two cell lines, and that the observed differences originate only from promoterdependent regulation The authors then demonstrate the versatility of their system using a battery ... constant output Kinetic modeling suggests that the differences observed in the number of nascent RNA chains at the gene results from variation in the initiation frequency (one transcript initiated every ... bind ing of transcription factors could be one explanation Detailed statistics of the times spent in the OFF/ON states in the case of the CCND1 promoter could provide further information on the...

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báo cáo hóa học:" Randomized phase II study with two gemcitabine- and docetaxel-based combinations as first-line chemotherapy for metastatic non-small cell lung cancer" docx

Ngày tải lên : 18/06/2014, 15:20

... such as the taxanes, irinotecan, vinorelbine and gemcitabine Phase II trials of these new agents in combination with platinum have shown impressive response and survival results, leading to their ... Docetaxel RDI was ≥ 85% in 59% and 68%, and < 50% in only 5% and 8% of arm A and B patients, respectively Gemcitabine RDI was ≥ 85% in 33% and 74%, and < 50% in 23% and 0% of arm A and B patients, respectively ... study of vinorelbine and cisplatin versus vindesine and cisplatin ver- 15 16 sus vinorelbine alone in advanced non small cell lung cancer: results of a European multicenter trial including 612...

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báo cáo hóa học:" Public telesurveillance service for frail elderly living at home, outcomes and cost evolution: a quasi experimental design with two follow-ups" ppt

Ngày tải lên : 20/06/2014, 15:20

... elders and were withdrawn at the demand of these patients within the first months In one case, the patient considered that the objective aimed with the reminder had been met In the second case, the ... effects on the well-being of the individuals and their families were reported The 39% cost saving in the second months is considerable, in terms of both hospitalizations and home care interven- ... administer the following validated instruments during the home visits at three points of time: week before telesurveillance started, and at and months after the technology was provided Overall the...

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Báo cáo hóa học: " Research Article A Note on the Integral Inequalities with Two Dependent Limits" ppt

Ngày tải lên : 21/06/2014, 07:20

... Journal of Inequalities and Applications Note that the generalization of this integral inequality and its discrete analogies are given in papers 5–8 In paper the following useful inequality ... Pachpatte, Inequalities for Diﬀerential and Integral Equations, vol 197 of Mathematics in Science and Engineering, Academic Press, New York, NY, USA, 1998 Y Dj Mamedov and S Ashirov, “A Volterra type integral ... sgn s s −s B r dr ds Applying 2.43 and 2.24 , we obtain 2.36 for t ≤ Then from 2.36 and 2.29 , 2.4 follows for t ≤ iii Since c t is a positive, continuous, and nondecreasing function for t ∈ R,...

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Báo cáo hóa học: " Research Article On a Generalized Retarded Integral Inequality with Two Variables" docx

Ngày tải lên : 22/06/2014, 03:20

... s 2.4 −1 −1 Obviously, W1 , W2 , and Φ are strictly increasing in u > 0, and therefore the inverses W1 , W2 , and Φ−1 are well deﬁned, continuous, and increasing We note that u dx Φ u −1 W −1 ... Analysis and Applications, vol 135, no 2, pp 399–405, 1988 D S Mitrinovi´ , J E Peˇ ari´ , and A M Fink, Inequalities Involving Functions and Their Integrals and c c c Derivatives, vol 53 of Mathematics ... Letting ε → , we obtain 2.6 because of continuity of r1,ε in −1 −1 ε and continuity of ψ −1 , W1 , W, W2 , and W2 This completes the proof W.-S Wang and C.-X Shen Applications In 11 , the partial...

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Research report, "Some convergence theorems for arrays of two average index of random elements in Banach spaces with integrable conditions on" pptx

Ngày tải lên : 23/07/2014, 14:21

... Random Elements Lecture Notes in Mathematic; Springer-Verlag: Berlin, 672, 1978 in Linear Space, [7] L V Thanh, Mean convergence theorems and weak laws of large numbers for double arrays of random ... is, quence of independent and identically random variables with 1} = 1/2 Let X = X ì X ì X ì and define C(X ) = {(v1 , v2 , ) X : vn converges in probability} n=1 p Then the real separable ... G Pisier, The law of larger numbers limit theorem in Banach space, Ann Probab., 4, 1976, 587-599 Journal and the central [4] A Rosalsky, M Sreehari, and A I Volodin, Mean convergence theorem with...

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English Grammar Tests-Elementary Level''''s archiveWords with time: for, ago, since, on, at pptx

Ngày tải lên : 26/07/2014, 06:20

... since on during at 3.He migrated to Istanbul five years since ago for at 4 .The artist had been painting two decades when he sold his first painting during for since on 5.Shakespeare ... misses it for since ago on 9.I've been studying Italian I was five years old for since ago on 10 .The chairman of the board has been working in the finance industry 1984 in on since at ... April 1564 since on in at 6 .In Europe, autumn begins September in on at since 7.We always eat a roast dinner Christmas Day in on at since 8.His pet anaconda died five months , and he still...

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English Grammar Tests-Elementary Level''''s archiveWords with time: for, ago, since, on, at ppt

Ngày tải lên : 26/07/2014, 06:20

... since on during at 3.He migrated to Istanbul five years since ago for at 4 .The artist had been painting two decades when he sold his first painting during for since on 5.Shakespeare ... misses it for since ago on 9.I've been studying Italian I was five years old for since ago on 10 .The chairman of the board has been working in the finance industry 1984 in on since at ... April 1564 since on in at 6 .In Europe, autumn begins September in on at since 7.We always eat a roast dinner Christmas Day in on at since 8.His pet anaconda died five months , and he still...

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Báo cáo toán học: "RHOMBUS TILINGS OF A HEXAGON WITH TWO TRIANGLES MISSING ON THE SYMMETRY AXIS" pdf

Ngày tải lên : 07/08/2014, 06:20

... than and equals approximately if the central rhombus is missing (see [3]) The rest of the paper is devoted to the proof of Theorems and The main ingredients are the matchings factorization theorem ... [1], nonintersecting lattice paths, and two determinant evaluations, the latter constituting the most difﬁcult part of the proof An outline of the proof is given in the next section The details ... are roughly the two halves of the original graph G The remaining task is to count the numbers of perfect matchings of G+ and G− We use again the correspondence between the rhombus tilings of a...

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Báo cáo toán học: "Short Cycles in Digraphs with Local Average Outdegree at Least Two" pptx

Ngày tải lên : 07/08/2014, 07:21

... Chartrand and Wall [2] in which the digraphs are assumed to be regular For more details, we refer to [3] and [10] Recently, the following extension of Lemma was obtained in [10] by considering the ... is an arc in G, we call v the terminus of (u, v) Since the number of special arcs is less than the number of vertices with outdegree exactly in any digraph, the following Corollary and Theorem ... is obtained by using a copy transformation of G at vertex u and that u is the copy vertex of u Then the following Statement holds Moreover, if G is strongly connected, then all the following statements...

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Báo cáo khoa học: "Independent position correction on tumor and lymph nodes; consequences for bladder cancer irradiation with two combined IMRT plan" pptx

Ngày tải lên : 09/08/2014, 09:20

... determine the hot spots in the bladder, the bladder was shifted with the tumor in the simulation The rationale behind this was that the hot spots were expected to be near the tumor In the case ... simulation The black lines represent a CT slice of the patient in the treatment planning situation The red tumor represents the tumor after internal displacement For analyzing the hot spots in the bladder, ... options in all patients For the bladder as OAR, we determined the hot spots in the same way as for the small intestines and the rectum, except that movement was simulated for the bladder The V95%...

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A two phase consistent particle method for wave impact problems with entrapped air pockets

Ngày tải lên : 09/09/2015, 08:11

... but non-breaking sloshing waves using FEM and fully nonlinear wave potential theory In the works by Cho and Lee (2004) and Wang and Khoo (2005), the fully nonlinear analyses of sloshing waves with ... function The underlying principle is that, in the limiting case as the influence radius approaches zero, the kernel function would approach the Dirac delta function Nevertheless, since the influence ... study the dynamic responses of sea-wave induced fluid sloshing in a floating tank The interaction effects between sloshing force and tank motion was investigated In the work by Kim (2001) and Kim...

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Analysis and application of two phase spindle motor driven by sensorless BLDC mode

Ngày tải lên : 28/09/2015, 13:38

... floating at the same time In the motor operation, the exciting windings are used to produce the electromagnetic (EM) torque to drive the rotor And the phase back-EMF in the floating winding is ... writing The operating speed of the HDD has been increased in these years in order to reduce the access time in the data read/write Hence the demand on spindle motors becomes higher In a HDD, the ... from the back-EMF produced in the motor windings The position information is obtained every 60° by detecting whether the freewheeling diodes are conducting or not Using this method, the sensing...

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THE EFFECTS OF MICROCHANNEL GEOMETRY ON HEAT TRANFER BEHAVIORS FOR TWO PHASE FLOW BY NUMERICAL SIMULATION NGHIÊN cứu ẢNH HƯỞNG của HÌNH DÁNG HÌNH học KÊNH MICRO đến các đặc TÍNH TRUYỀN NHIỆT CHO DÒNG CHẢY HAI PHA BẰNG PHƯƠNG PHÁP mô PHỎNG

Ngày tải lên : 16/01/2016, 13:29

... thứ IV Figure The location of full evaporation of the water, for case Figure The temperature distribution for the middle slice of the channel Figures and show the thermal field and the curve of ... manifolds The water firstly from the inlet manifold flows through microchannels, then going out of the system by outlet manifold During its journey, it receives amount of heat - which supplied by the ... cross-section (case 2), and the third for the Triangle cross-section (case 3) and the last one for the Circle cross-section (case 4) The general parameters for these two cases are summarized in Table Case...

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Cambridge.University.Press.The.Works.of.Archimedes.Volume.1.The.Two.Books.On.the.Sphere.and.the.Cylinder.Translation.and.Commentary.May.2004.pdf

Ngày tải lên : 21/09/2012, 11:00

... for instance, the last theorem implies the falsity of the following statement: the greatest segment of the sphere is obtained with the plane orthogonal to the diameter passing at the point at the ... in which, if any two points whatever being taken, the straight between the points either all fall on the same side of the line, or some fall on the same side, and some on the line ... other lines (if, being in a plane, they have the same limits): that such are unequal, when they are both concave in the same direction and either one of them is wholly contained by the...

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