Journal of Textile Research ›› 2022, Vol. 43 ›› Issue (04): 167-173.doi: 10.13475/j.fzxb.20210404007

• Machinery & Accessories • Previous Articles     Next Articles

Sensorless parameter adaptive tension control method of winding yarns

JIANG Linjun1,2, ZHANG Hua1,2()   

  1. 1. School of Mechanical Engineering and Automation, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
    2. Key Laboratory of Modern Textile Machinery & Technology of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
  • Received:2021-04-14 Revised:2021-08-25 Online:2022-04-15 Published:2022-04-20
  • Contact: ZHANG Hua E-mail:zhanghua@zstu.edu.cn

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Abstract:

In order to keep the tension stable in yarn winding system, in view of the nonlinear and time-dependent parameters in the system, this paper proposed a sensorless tension control method based on tension monitoring and parameter self-adaptation. According to the principle of torque balance, a mathematical model of the yarn winding system was established, a reduced-order tension monitoring device was designed, and the data obtained were used as the system pre-feedback compensation value to avoid measurement delay caused by the tension sensor. The Landau discrete-time recursive algorithm was then used to identify the moment of inertia of the winding system, and the identified moment of inertia was used to modify the PI parameters of the speed controller, which was used to improve the dynamic performance of the winding system. Comparison between the general PI parameter control and proposed sensorless parameter adaptive control shows that the proposed control method significantly reduces the influence of the change in the moment of inertia on the tension, and has good robustness, dynamic response performance and high steady-state accuracy.

Key words: tension monitoring device, adaptive control, tension control, yarn winding system, Landau discrete-time recursive algorithm

CLC Number: 

  • TP273

Fig.1

Structure schematic diagram of yarn winding system"

Fig.2

Structure schematic diagram of winding and overfeeding system"

Fig.3

Closed loop tension control system based on tension sensor"

Tab.1

System simulation parameters"

参数 单位 仿真参考值
E MPa 17.927
η MPa·s 15.295
S mm2 0.023 1
R1 m 0.05
J1 kg·m2 0.027 2
B1 N·m·s/rad 0.000 4
Tc1 s 0.1
Tc2 s 0.1
R2 m 0.2
J2 kg·m2 0.003 3/0.005 2
B2 N·m·s/rad 0.000 4
l0 m 0.2

Fig.4

Different input signals follow simulation curve. (a) Square wave following curve; (b) Sine wave following curve"

Fig.5

Block diagram of simulation of moment of inertia identification based on Landau's discrete-time recursive algorithm"

Fig.6

Identification result of moment of inertia of winding system. (a) Identification inertia of empty volume; (b) Identification inertia of full volumes"

Fig.7

Yarn winding system experimental platform"

Fig.8

Experimental test waveforms. (a)Linear velocity with 400 m/min;(b) Linear velocity with 800 m/min: (c) Constant PI parameter;(d) Changble PI adaptive parameter"

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