Combine harvester threshing cylinder harvesting state fault diagnosis method
A technology of combine harvester and threshing drum, which is applied to harvesters, neural learning methods, cutters, etc., can solve the problems of insufficient working state samples, inability to accurately identify sample faults, etc., so as to improve the recognition accuracy and improve the accuracy. Effect
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[0049] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0050] Such as figure 1 As shown, a method for diagnosing the harvest state fault of the threshing drum of a combine harvester includes the following steps: sample acquisition and preprocessing, training of the DBN network prediction model under the source domain data samples, supervised fine-tuning of the prediction model with a small number of labeled samples in the target domain, output diagnostic result.
[0051] figure 2 Medium X sn Denotes the nth auxiliary sample; T sn Denotes the corresponding label of the nth auxili...
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