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The integrated bridge test and calculation method of error analysis


【R Port J a were 【2 is a corresponding nominal value. ② When ℃ l = ℃ l ... when the [RI], whichever is smaller; 2 = ... time, [R】 I] whichever is greater, use 【,! To calculate n ...: = ± r; one by one [RI] + [RD] where: [R1], 【R Ⅱ] - were l, the corresponding nominal value. ③ When ①, ② two situation are not allowed, the application of two methods to calculate, whichever is greater. Obtained with the R3 ℃ R ~, and then use it to determine whether or not super bad, super bad for the failure of the bridge; otherwise ask again ... and again ... with a judge eligibility. For example: ① used to determine the difference does not exceed the bridge, should then seek .... R_ seeking a time, took the second set has a large nominal value, the first disc and the surrounding re-find the reference value is greater relative error, and then follow the formula (4),[link widoczny dla zalogowanych], is one. For simplicity, the following four cases are no longer made, ... and qualified to judge whether or not the bridge. 12 First, the two error symbols are R and desires of the opposite sign, they should seek R3 ... (1) when I1 ... I ≤ I2 ..., then R = l ... (2) when I1 ... I> I2 ~} at ① When the minimum error for each disc spots should be taken [RI] is small in size, [R Ⅱ] is greater. Calculated using a 2: a [RI] n 【+ [RDj2 ~. , N-li Ding L0 where [RI] n,[link widoczny dla zalogowanych], [R Ⅱ] n - are l ..., a corresponding nominal value. ② When l1 ..., [R1] is small in size; when the 2, 【R Ⅱ] is greater. 1.3 The symbols are the first set, the R ... and desires the same symbols, symbols and desires of the second set, the opposite sign, then: 3: l MEASUREMENT AND I998-) 414 are the first set, and the desire of the error symbols R3 a reverse. The second set, the symbol error symbols and the same desire, to seek ℃, should be consolidated two errors, and to reduce the errors of the first set, in the first disk extraction △ Rmin (1) when i △ Rl ... i ≤ I 【R Ⅱ m ... 『should find at n A / 'Rt ... ten LRItjm, namely: ... __ () where: △ Rhm a first set of the minimum absolutely out error; [R] one △ R appears at nominal value. (2) When I / \Comprehensive error of measurement plate and desires of the ~ sign is always opposite in sign, therefore, should be seeking ≮ m maximum error as a measurement plate. Then by the following methods tested twice: m △ R】 ... + 【R Ⅱ Jm2m \15 When the disk error in both positive and negative symbols, the symbols with and desire the same error, in accordance with the \Bridge integrated error formula is calculated Liu Shuangqiaoshan. \ formula derived from the ball guide, the formula is as follows: c】 _ (BU c) ‰ a cJcr 【(1 + cJ ≮ 1c cirrhosa a standard resistor included relative error t Generally speaking there is no included high-precision instrument standard resistor. it does not consider N); - outer arm of the relative error; a boom phase within the stripping error; - R】 arm relative error; two arms of a R2 Kariya phase error: Please ℃ ... should note the following points: 2l when using dual Jiao. external arms linked, R】 synchronized with the arm, so the formula (,[link widoczny dla zalogowanych], each is a whole, that R and R, R and R2 were the same indication. 22 by the formula ( shows that when demand R .... R and R1 effect is 12 = 1 + C. and R, the impact is 02 times, it is important to consider this when calculating the error R \】 arm error; and R, R2 is secondary. 2.3 by the formula ( shows that the second error is easy to find, harder to find the first value. find the value of the method of the first single by demand gR3 a bridge, it is not introduced, j BU performance of a damper Ke mouth right computer measuring system (Guangdong Guangzhou-Zhuhai Railway Corporation,[link widoczny dla zalogowanych], Zhuhai 519015) L2. Received: Iqq-01 a I) 5 Summary: shock absorber is an important component of a variety of chassis, its performance shock absorbers with straight (relatively) the displacement or movement (relative) movement of Lan Zhu Zhu l Review basket basket Zhu speed and working resistance generated between the corresponding the relationship between the difference between the two wing snapped five usurp the power system by the test maker _ love of the mechanical structure of pit lines, computer test system hardware,[link widoczny dla zalogowanych], software design ¨. refuse River l account of mathematical and mechanical models are described.. I,} the merits of price shock absorber, one is to achieve the desired shock absorber bolt, shock absorber performance testing funeral name; the new system performance with excellent performance by computer detection system has the following functions: meter-i and the false charge Tu Cheng late 1998-NO.4. 31

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