Penicillin fermentation process soft measurement modeling method for optimizing a gradient lifting regression tree based on a fruit fly algorithm
A technology of penicillin fermentation and Drosophila algorithm, applied in computational model, calculation, biological model, etc., can solve problems such as multi-time, loss, and poor quality control.
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[0077] Adopt a kind of soft-sensing modeling method of penicillin fermentation process based on gradient lifting regression tree proposed by the present invention, take 12000 groups of penicillin fermentation process data altogether of 15 production batches, each batch all represents a complete fermentation process, wherein 9 batches as the training dataset for soft sensor modeling A i is a 1×5-dimensional row vector, a set of input quantities for soft sensor modeling samples, is A i The output of the corresponding soft sensor modeling samples, i=1, 2,...,7200; 6 batches are used as the test data set for soft sensor modeling {(B 1 ,y 1 ),(B 2 ,y 2 ),…,(B 4800 ,y 4800 )}, B i is a 1×5-dimensional row vector, a set of input quantities for soft sensor modeling samples, y i is B i Corresponding output of soft sensor modeling samples, i=1, 2, . . . , 4800. The specific implementation is as follows:
[0078] Initialize each parameter, set the population size P=50, the ...
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