Figures & data
Figure 1. Data acquisition process. The upper left corner in the figure is the multi-channel data acquisition system designed and built in this paper.
Figure 2. Data set processing flow.
Figure 3. Design of second layer neural network.
Figure 4. Multi-channel multi-input model.
Figure 5. Single-channel multi-input model.
Table 1. Comparison of the highest training accuracy for 100 different parts models.
Figure 6. Model accuracy on test set. (a) accuracy of multiple models. (b) accuracy information of the test set for the multi-channel model during different training rounds. (c) test set accuracy for the single-channel model during different training rounds.
Table 2. Test set accuracy of two models with different fusion methods.