Method for assessing reliability of aircraft landing gear control system under small samples and poor information
An aircraft landing gear and reliability technology, applied in informatics, special data processing applications, instruments, etc., can solve problems such as enlargement or reduction of solution intervals, high data volume requirements, etc., and achieve the effect of accurate reliability evaluation
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[0026] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:
[0027] According to the working principle, composition structure and fault classification of the landing gear retraction system, a system fault tree is constructed, such as figure 1 shown;
[0028] As shown in Table 1, the failure probability intervals of each bottom event of the landing gear retraction system fault tree are given as follows:
[0029] Table 1 The failure probability interval of the failure tree bottom event of the landing gear retraction system
[0030]
[0031] Let "*", *∈{+,-,·, / } denote a real binary operation on the set of real numbers. to any Define the binary operations on the interval number set I(R) as follows:
[0032] [x]*[y]={z|z=x*y, x ∈ [x], y ∈ [y]} (1)
[0033] Then there are the following four algorithms:
[0034] [ x ]...
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