A virtual sample expansion method based on historical data of mechanical products
A virtual sample and mechanical product technology, applied in the field of virtual sample expansion, can solve the problem of less research on virtual sample generation methods, and achieve the effect of solving the insufficient number of samples
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[0125] figure 1 It is a flow chart of the virtual sample expansion method implemented by the method example. Such as figure 1 As shown, the mechanical field-oriented virtual sample expansion method based on historical data proposed by the present invention includes the following steps:
[0126] (1) Read the existing real historical data of the research question, extract effective measured samples, and obtain potential parameters based on the actual samples.
[0127] In this example, the handle base assembly is taken as an example to illustrate, figure 2 is a schematic diagram of an example assembly of this method. The assembly consists of two components: the handle and the base. Although the structure is relatively simple, the assembly contains 3 dimensional tolerance variables and 4 typical shape and position tolerances; image 3 The 7 tolerance elements and related dimensions of the above-mentioned mechanical product assembly are marked.
[0128] The assembly is analy...
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