Gear transmission multidisciplinary reliability analysis method considering cognition and random uncertainty
A technology of uncertainty and gear transmission, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as cognitive uncertainty, unreliable design results, and inability to express and quantify in probability theory
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[0055] The present invention will be further described below in conjunction with the example of gear transmission.
[0056] The present invention considers cognitive and random uncertainties in the multidisciplinary reliability analysis method of gear transmission. First, the components of the reliability analysis of the gear transmission are specified, including two subsystems of the shaft subsystem and the gear subsystem, 11 limit state functions, Two coupled state variables and seven design parameters.
[0057] 1. For figure 1 The gear transmission shown is analyzed to determine the degree of uncertainty of the design parameters. In the actual design process, due to the influence of factors such as manufacturing, product assembly, material properties, applied load, and external environment, the present invention considers the gear face width (x r1 ), gear modulus (x r2 ), number of pinion teeth (x r3 ), large gear bearing spacing (x r4 ), large gear shaft diameter (x ...
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