Table 10 Tension results of stabilization phase under periodic adjustment of target rotational speed of needle cylinder.
From: Research on yarn tension control technology for knitting underwear machine based on adaptive ADRC
Tension stabilization phase | PID | ADRC | Adaptive ADRC | |||
|---|---|---|---|---|---|---|
Mean error/cN | Standard deviation/cN | Mean error/cN | Standard deviation/cN | Mean error/cN | Standard deviation/cN | |
2975r/min | 0.38 | 3.66 | 0.29 | 2.65 | 0.058 | 1.63 |
1275r/min | – 0.26 | 3.11 | – 0.12 | 2.23 | – 0.055 | 1.43 |
