考虑打纬影响的碳纤维角联织机经纱张力控制方法
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1.天津工业大学机械工程学院;2.天津工业大学机械工程学院,天津工业大学天津市现代机电装备技术重点实验室

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TS103

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天津市自然科学基金(17JCYBJC19400)


Warp Tension Control in Carbon Fiber Diagonal Loom Considering the Effect of Beating-up
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School of Mechanical Engineering,Tiangong University

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    摘要:

    针对碳纤维角联织机经纱张力控制中存在的张力控制精度低问题,提出一种考虑打纬影响的经纱张力控制方法。首先深入分析打纬时经纱的伸长量,再结合胡克定律与现有张力模型,建立新的送经系统张力控制模型。其次,提出一种指令滤波反步滑模控制器,通过滤波器估计虚拟控制律的一阶微分,避免“微分膨胀”问题,采用RBF神经网络对系统未建模部分进行自适应估计,同时引入滑模控制,增强系统鲁棒性。最后,使用MATLAB/SIMULINK软件对张力系统进行仿真实验,结果表明:考虑打纬影响的滤波反步滑模控制在张力控制方面相比传统反步滑模控制在响应时间相近的情况下,稳定时间缩短近16.3%,超调量减小24.6%;相比模糊PID控制在稳定时间上缩短近51.7%,超调量减小49.2%。

    Abstract:

    Aiming at the problem of low tension control accuracy existing in the warp yarn tension control of carbon fiber corner link loom, a warp yarn tension control method considering the effect of beating-up is proposed. Firstly, the elongation of the warp yarn during beating-up is analyzed, and then a new tension control model of the warp feeding system is established by combining Hooke"s law with the existing tension model. Secondly, a command filter backstepping sliding mode controller is proposed, which estimates the first-order differentiation of the virtual control law through the filter to avoid theproblem of "differential expansion", and adopts the RBF neural network to adaptively estimate the unmodeled part of the system, and at the same time, introduces the sliding mode control to enhance the robustness of the system. Finally, using MATLAB/SIMULINK software to carry out simulation experiments on the tension system, the results show that: the filtered backstepping sliding mode control considering the effect of beating-up in tension control compared with the traditional backstepping sliding mode control in the case of similar response time, the stabilization time is shortened by nearly 16.3%, the amount of overshooting is reduced by 24.6%; compared with the fuzzy PID control, the stabilization time is shortened by 51.7%, the amount of overshooting is reduced by 49.2%.

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翟鑫,刘薇,刘玲玲. 考虑打纬影响的碳纤维角联织机经纱张力控制方法[J]. 科学技术与工程, , ():

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  • 收稿日期:2024-04-21
  • 最后修改日期:2024-05-22
  • 录用日期:2024-06-05
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