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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2020
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Article
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Tab 4
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Research Article
Wear Identification of Vibration Drilling Bit Based on Improved LMD and BP Neural Network
Table 4
Corresponding relationship between output value and tool state.
Tool condition
Initial wear
Normal wear
Severe wear
Output value
[1 0 0]
[0 1 0]
[0 0 1]