Fig. 1
Schematic representation of the package space
Fig. 2
Knotting process of the chemical fiber filament
Fig. 3
Photographs of man-made and machine-made knots
Fig. 4
Knotting control schematic diagram based on PLC [21]
Fig. 5
Schematic representation of the state of yarn tension
Fig. 6
Schematic diagram of the tension mechanism
Fig. 7
Schematic diagram of the opening device
Fig. 8
Force diagram of catenary points at various heights [22]
Fig. 9
Schematic diagram of the yarn state