小型金属窄带恒张力卷绕控制系统设计

针对金属窄带材卷绕质量要求,设计了一套恒张力控制系统。分析了金属窄带材卷绕生产工艺过程控制中张力产生及其影响因素,在保持恒张力控制的基础上,提出、设计、制作了窄带材卷绕的双闭环、串级、动态控制系统。采用单片机为核心控制单元实现信号采集与控制信号输出,以三相交流力矩电机为主执行机构,结合转速、张力双闭环控制,实现了基于力矩电机的带材卷绕可控恒张力机构;同时以步进电机为辅执行器,以位移检测为反馈量的盘绕机构横移控制;以及以带材厚度为前馈信号的超前控制。通过设计电路图、制作电路板、系统集成应用效果表现出,带材卷绕过程用力均匀,张力稳定,匝间间隙合适,层间松紧适度,盘绕平整、均匀,保证了生产质量。     

一种带材张力的在线实时检测方法

张力检测和控制是板带材的延伸生产处理过程中的关键因素,直接影响产品的质量。根据生产现场的情况,当带材的入角和出角是固定值时,利用张力传感器可以得出带材的张力。但当卷绕辊与支撑辊的位置固定、带材的卷径变化时,带材出角就是一个变量。为得到正确的带材张力,须根据带材出角数值实时计算带材张力。本文所设计的计算方法适用于带材外公切或内公切支撑辊和卷绕辊的情况。     

一种卷绕式铅酸蓄电池卷绕工艺设备的研制

介绍了一种生产卷绕式铅酸蓄电池的新型卷绕工艺设备。该设备能够保证卷绕工艺中的两个基本动作一芯轴转动和压轮滑动的协调运动，并能实现防止卷绕时极板的走偏和对卷绕张力进行控制。该设备结构紧凑、造价低，是卷绕式铅酸蓄电池卷绕工艺的实用设备。     

力的测量—介绍一种新型磁弹性弹力计

在许多带材中,如塑料薄膜、帘布涂胶、金属带材和线材铜、铝线等生产过程中使用各种卷取机和开卷机,为使带材和线材卷的整齐,即厚度均匀、表面平透、线材粗细均匀等,均需在卷取机和压延机之间或压辊机架之间保持张力恒定。带材从开卷机以恒线速引出,经张力检测辊和调正辊,卷绕在卷筒上,磁弹性传感器与张力检测辊组装在一起。此类卷取装置的电力传动任务,主要是调节张力,保持张力的恒定。在大多数场合下,保持张力的精度,调节带材的张力或按指定规律调节张     

卷绕成形加工专用机床的设计

卷绕成形加工是指通过一根或数根具有一定廓形的带材卷绕形成零件主体部分的加工方法，该带材称为芯带。实现卷绕成形加工的关键在于芯带的成形和卷绕。文章讨论了芯带成形，卷绕设备，一体化机床及其控制系统的设计，并给出了应用例。     

实现面料卷绕的自动化控制

通过分析面料卷绕过程,着重探讨了张力与纠偏控制以及卷径与长度控制的实现方法。     

复合材料卷绕机张力控制系统设计

本文主要介绍了生产带材设备的卷绕张力控制系统。基于数学模型设计控制策略。采用了变比值控制。变增益、变积分时间控制。将基于模型的控制算法和智能控制算法有机地结合起来,完全达到控制要求。收到了良好的效果。     

卷绕式镀膜中的张力控制

简单介绍了卷绕式镀膜机中张力控制的几种方式及其不同控制方式的原理和特点。     

电容器薄膜张力推理控制系统

本文给出了一种适用于工程常见的二阶控制对象的推理控制算法，并成功地应用于金属化暮民容器全自动卷绕机中作为快速张力伺服控制，采用８０９８单片机控制系统的该推理控制系统具有收敛，无稳态误差以及动态性能好的特点。     

基于虚拟仪器的线缆卷绕张力测控系统

详细描述了系统中被测装置动作时线缆速度和张力变化的特殊规律，根据该动作要求提出采用变频调速和张力自适应控制的双闭环控制方式，以力矩电机为动力源，以磁粉离合器为施力元件，并基于LabVIEW虚拟平台构建了卷绕张力测控系统。该系统集成了众多的测量仪器功能，实现了所需的测控功能，构成简单，设计灵活，能根据需求随时修改各功能的设计。     

卷筒可卷弯条件的计算与分析

简明介绍了冷轧卷取机在传统假定条件下的可卷弯条件和非假定及非简化条件下的可卷弯条件，同时给出了在此条件下的可卷弯张力和可卷弯咬带力。     

柔性卷绕传动张力控制机构分析与设计

卷绕传动广泛应用于各种工业生产中,其张力的精确控制至关重要。根据卷绕传动的张力模型分析,对三种张力控制机构方案进行分析比较,综合出一种适合柔性基板输送的控制机构,并对机构进行优化设计。     

以磁粉离合器为执行件的张力控制系统

介绍一种微机控制纤维缠绕机精密张力控制系统,该系统以磁粉离合器作执行元件,具有结构简单、自动化程度高、回纱能力强和响应速度快等特点。     

钢带缠绕预应力模具变张力模糊控制

针对钢带缠绕预应力模具缠绕工艺中变张力控制问题,分析了影响张力控制稳定性的主要原因,提出了参数自整定模糊PID控制方法,设计了模糊控制器.在Matlab/Simulink环境下,建立了钢带缠绕预应力模具缠绕控制系统仿真模型.在相同条件下,对比了采用参数固定的常规PID控制和采用参数自整定模糊PID控制的张力控制效果,验证了模糊PID控制在改善系统动态和稳态性能方面的优势.     

Decentralized coordinated control of elastic web winding systems without tension sensor

In elastic web winding systems, precise regulation of web tension in each span is critical to ensure final product quality, and to achieve low cost by reducing the occurrence of web break or fold. Generally, web winding systems use load cells or swing rolls as tension sensors, which add cost, reduce system reliability and increase the difficulty of control. In this paper, a decentralized coordinated control scheme with tension observers is designed for a three-motor web-winding system. First, two tension observers are proposed to estimate the unwinding and winding tension. The designed observers consider the essential dynamic, radius, and inertial variation effects and only require the modest computational effort. Then, using the estimated tensions as feedback signals, a robust decentralized coordinated controller is adopted to reduce the interaction between subsystems. Asymptotic stabilities of the observer error dynamics and the closed-loop winding systems are demonstrated via Lyapunov stability theory. The observer gains and the controller gains can be obtained by solving matrix inequalities. Finally, some simulations and experiments are performed on a paper winding setup to test the performance of the designed observers and the observer-base DCC method, respectively.     

A taper tension profile maker in a converting machine

Winding is an integral operation in almost every web handling process, and a center-wound roll is one of the suitable and general schemes in a winding system. However, improper internal stresses within a center-wound roll can cause damage such as buckling, spoking, cinching, etc. Wound roll quality and performance are known to be related to the distribution of in-roll stresses. It is therefore necessary to analyze the relationship between taper tension in the winding section and internal stress distribution within the center-wound roll to prevent winding failure. But it is hard to compensate for an undesirable winding roll shape such as starring, buckling, and telescoping. This is because the winding section is the final process in a roll to roll system and has no feedback control system to correct winding roll shape directly. A time varying tension profile and accurate control of it in a winding section is one way to shape the fail-safe in-roll stress distribution of a winding roll. In this study, a new taper tension profile making method is aimed for designing high quality wound rolls. A new method to determine the proper taper tension profile was designed by analyzing the winding mechanism which includes the stress model in center-wound rolls, nip induced tension model, relationship between taper tension profile and telescoping, relationship between taper tension type and internal stress distribution. An auto taper tension profile making method was proposed not only to optimize radial stress distribution but also to minimize lateral error (telescoping). Simulation results show that the proposed method is very useful for determining the desirable taper tension profile during the winding process and preventing defects of winding roll shape such as telescoping, starting, and dishing and so on.     

Effect of taper tension profile on the telescoping in a winding process of high speed roll to roll printing systems

Winding is an integral operation in almost every roll to roll system. A center-wound roll is one of the suitable and general schemes in a winding mechanism. In general, the quality of wound roll is known to be related to the lateral displacement error and starring defect of a wound roll. Especially, a telescoping within a center-wound roll can cause damages such as misalignment between layers, folding, wrinkle, etc. Taper tension is known to be one of the major factors which affect the shape of a wound roll. It is therefore necessary to analyze the relationship between taper tension profile and telescoping within the center-wound roll to prevent winding failure and to sustain high quality of the printed materials. It is hard to compensate for undesirable winding roll shapes such as telescoping, because a winding is commonly a final process in roll to roll systems and has no feedback control mechanism to correct winding roll shape directly during winding operation. Therefore, an optimal taper tension profile and the accurate control of it in a winding section could be one way to shape the fail-safe of a wound roll. Through the correlation between taper tension profile and telescoping in a winding process, a mathematical model for the telescoping due to tension distribution in cross machine direction was developed, and verified by experimental study. A new logic to determine the proper taper tension profile was designed by combining and analyzing the winding mechanism which includes nip induced tension model, relationship between taper tension profile and telescoping, relationship between taper value and telescoping. Numerical simulations and experimental results show that the proposed method is very useful for determining the desirable taper tension profile during the winding process and preventing defects of winding roll shape such as telescoping.     

精密张力控制系统及其控制精度的研究

文中通过对数控纤维缠绕机精密张力控制系统的工作原理及其控制精度因素的分析与研究,建立了系统的数学模型,并采取了张力补偿技术。经运行证明,该系统技术先进,合理,提高了纤维缠绕中张力的控制精度。     

可定张力,定速度工作的卷绕控制系统

】介绍了并非必需配用张力测量传感器及半径测量传感器的直流电机控制器用于卷绕系统工作在定张力控制下的工作原理。以及定张力、定速度工作的卷绕控制系统的设计及其在我公司产品ＺＺ１８００Ｌ卷绕镀膜机上的应用。