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Knitting machine yarn tension on the impact of fluctuations in factor analysis to


Value, = (cN) (1), tJ ... where is the image height, in crn, Y as the pixel height, in cm. Table 2 tension curve pixel mean and variance analysis of experimental data in Table 3 assumes that each factor to take r different levels, each level in the test program is the m times. The total number of trials n = r × m. Set test results yl, .... The use of orthogonal first column (including the empty column), so that ink f = first column of J corresponds to the results of the m and, 2 = l, 2 ... r. Note = Qian f. That P =,Beats By Dre Studio, = 1f =. 'Merchants, Si = a P, q = Hua, s = P-p [2] o to the data calculated by the statistics of the necessary observations, the tension of each curve calculated the average listed in Table 3. Table 3 examine the computation of the average tension in each level of each factor whether the effects were significantly different, analysis of variance. Factor analysis of variance in the sum of squared deviations is precisely the factor in the calculation of the table corresponding to S,, and the freedom to take the factor of the number of levels minus 1 (ie, r-1). The total sum of squared deviations for the S and the degrees of freedom for the total number of tests by l (ie n-1). Squared error and just is empty columns corresponding to the sum of si,Salvatore Ferragamo outlet, and the degrees of freedom for the total sum of squared deviations of freedom minus the sum of squared deviations of various factors and the degrees of freedom and. Table 4 lists the analysis of variance. Table 4 Analysis of variance table look-up table obtained F0 ∞ (1,1) = 39.9. Simple effect of treatment, all factors are not significant. However, after careful study of variance table can be found,vibram five fingers outlet, particularly small value of traction force. This shows that the traction force is a secondary factor affecting tension, its problems from the analysis of variance excluded. To this end the sum of the squares of the factors combined with the freedom to go to the error term. Get a new analysis of variance in Table 5. Table 5 ANOVA table to re-identify the critical value of Fo ∞ (1,2) = 8.53. From the analysis of variance 2 Zhang et al: knitting machine yarn tension on the impact of fluctuations in factor analysis to the 117 table shows, yarn flexibility and speed of the tension of the head significantly. Table 3 shows, K21 (K3I, such as> high as a result of head speed, low-linear-elastic fluctuations that affect a significant factor in tension [3] 4 Conclusion Passive mode to yarn, yarn nose, high-speed road inertia force. yarn speed variation, leading to large changes in the amount of yarn; yarn elasticity is low,herve leger skirts, the slow response to changes of tension. and more to reflect the higher stiffness of the tension fluctuations. elastic yarn with the changes in tension due will stretch or shorten,herve leger sale, you can absorb part of the fluctuations, but will cause the yarn in the fabric was strained, leading to reduced performance fabric to take so as to maintain constant tension to the yarn. you can always maintain a certain stretch yarn , which can achieve almost constant to the amount of yarn. References l Xue Dingyu. Control System Computer Aided Design: ~, ~ ATLAB languages ​​and applications, Beijing: Tsinghua Imperial College Press, NO5.44 ~ 56.2 spectrum Cheng Yi. He Yinghui ed. the principle of mathematical and statistical methods. Shanghai: Imperial College Press with the crowd, 1993.29 Qingdao Imperial College .2000 AnalysisofFactorsThatAffecttheWaveofYarnTensiononF lat-knittingMachineZhong mound Cdlege0fhhm earthworm blood sdandTechnologyD0 mouth I roundworm, Ⅻ pull i.200051) Hart & state anthill, Wan ship duo mound (0 this TextneandGatmmt.Qin ∞ Urdve ~ ty.Qi.266071) AbstractsAdvancedapparatusandtestmethodwereusedtos tudytheir ~ lueneeofyarntensiononflat-b1mingmachine . Ma ~ 2aemadcatstatisticsandi Ⅱ 1agemanipulationareusedtoanalyzethefactors. which ~ ffeetedtheyarntensionIn Jom t. ThesoftwareisproamrnedusingMatlablanguage. Keywords: fiat-knittingmachine, yarntension, imagem day I1id ∞, mathematicalstatistics
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