Noise Source Identification of the Carpet Tufting Machine Based on the Single Channel Blind Source Separation and Time-Frequency Signal Analysis

Figure 6

Vibration test positions. (a) Motor spindle. (b) Needles. (c) Hook bed. (d) Linkage. (e) Hook driven shaft. (f) Bottom pressing plate.

(a)

(b)

(c)

(d)

(e)

(f)