ugg italia A typical system reliability prediction

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A typical distribution system reliability prediction and

Or part 2) the reliability of the Rl, the reliability of the components 2 R2 = I a ((I-R) / (1-R1)) (8) If a parallel system reliability, the reliability index of 0.99, the system consists of 2 components, parts I known reliability of 0.90, test for system reliability: from (8) yields the reliability of Part 2 is R: = I a ((I a 0.99) / ( i A 0.90)) = I 10. i0 = 0.90. ■ The second situation: if the proportion of the known reliability of the components due to I, ie I = Rl, then R = IR. By the R = I a (i-IR2) (i-R:) = i A (I + IRi a (i + I) R] then a i - lq-IR: + dry = o! R.: L ' 1Rl = IR2 ±()-- RI One! (9) (10) where, R are two solutions to be parallel systems according to the nature of R> max {R}, to take a joint understanding. If a parallel system reliability from 2 components, the system reliability index is 0.99, the two components of known reliability of the scale factor of 0.90, test for system reliability. known to R = 0.99, I = 0.90, from ( 9) the availability of parts 2 Reliability R.: l +0.90 =---------~ 2 × 0.90 -! l + I). 2IRlI ± (Qiang).一 0 ~ 99 = 1.0556 ± 0.1l92 take R2 = 1.0556 - 0.1l92 ---- 0.936, to meet the R> max {Ri}. And then by type (i0) can get the reliability of components l Rl = IR2 = 0.90 × 0. 936 = 0.843, then, after the distribution system reliability t112R = i-If (1 a Ri) = I-n ( 1-Ri) i-Ii = l = 1 a (i a 0.843) (i a 0.936) = 0.99 can be seen, system reliability to meet the requirements. Fourth, system reliability, Lenovo through the system and parallel system of series prediction can be seen in tandem with the distribution of the life of the system components is equal to the shortest life expectancy 4l life, and its reliability is equal to the reliability of the lowest parts of the upper limit of reliability. Parallel system is equal to the life of the components of the life of the longest life expectancy, while the lower limit of the reliability of components is equal to the highest reliability of reliability. However,[link widoczny dla zalogowanych], in actual communication engineering design, the distribution of pure mathematics is generally not feasible. Step by step to the overall system reliability assigned to the sub - machine - repeater - components, as all subsystems,[link widoczny dla zalogowanych], the whole, by radio, distribution of components for the realization of theoretical inputs required indicators human, financial, time and other factors vary, and therefore in the implementation process, but also the actual situation according to balance and harmony. Distribution and prediction of system reliability is a step by step,[link widoczny dla zalogowanych], the repeated, coordinated engineering activities, not merely the mathematical theory of the problem. Currently, the carrier frequency carrier communication system is the supply frequency of the information contained in a system far. It also provides pilot and Kam frequent rate, its role and position is very important. Existing carrier communication system,[link widoczny dla zalogowanych], both at home and abroad with the Lord, prepare jj_ {Automatic and manual conversion of a redundant system to ensure its reliability. If I plant set for 1800 way superior system is the application of a typical example of a redundant system, shown in Figure 5. Figure 5 contains superior reliability logic diagram for the system components were mainly 1,2 ... ... 14,[link widoczny dla zalogowanych], with the main vibration system, crossover, amplifier ... ... ... ... harmonic generator; parts were redundant 1,2 ... ... The main vibration system, the amplifier divider ... ... ... ... harmonic generator. The components 15,16,17,18 are band-pass filter, amplifier, automatic conversion part 19 for electronic devices, with automatic inspection found invalid, auto alarm, auto conversion function, that is for part 1, a l4 and 20 play conversion protection function, ensure the normal work load for the system, components of the mixture of 20 to match the impedance of the coil. This effect is clearly the system reliability is good, but also realistic. 42 Because the level of failure rate of electronic components status quo, I plant the production of PCM digital current power system reliability communications equipment was not very ideal. Power system due to a failure of normal communications equipment, things have occurred. Therefore, I think: This high-tech products to improve the reliability of the factory, the factory should the system for failure analysis, feedback to the design work, to make it more comprehensive and reliable. In addition, it also can be applied to redundancy, configuration backup systems to improve machine reliability. In short, the reliability of the system, the development of high-tech industry has become a important work can not be ignored.
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