Research on interface layout design of CNC machine tool operation panel
To optimize the layout design of Computer numerical control(CNC)machine tool operation panel,the effect of the layout of eight basic functional areas on the usability of the operation panel was studied combining objective measurements and subjective evaluations.Position information of the eight basic functional areas on 102 operation panels were statistically analyzed.Four layout patterns of operation panels were obtained using K-Means clustering algorithm.The usability tests were conducted to evaluate the usability of the four layout patterns.The task performance,eye-tracking data,and subjective evaluation data were collected during human-machine interaction process.One-way ANOVA was completed for the evaluation indicators.Finally,Ana-lytic Hierarchy Process was used to determine the weights of evaluation indicators.The scores of four layout patterns were weigh-ted calculated.The differences in the layout of the eight functional areas were comparative analyzed.The results indicated that the concentration of high-frequency function keys on the right side of the operation panel was superior to the left side.The emergency stop button located at the lower left of the operation panel was superior to the upper left.The usability of functional areas spanning two or more zones in the operation panel was poor.The research results provided references for improving the usability of the oper-ation panel interface layout design.
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