Dynamic performance and active damping method in web winding machine tension control system

A tension control and control system technology, applied in the field of tension systems, can solve problems such as crossover frequency limitation

Pending Publication Date: 2019-11-26
EATON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the crossover frequency of such tension loops is limited by the rela

Method used

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  • Dynamic performance and active damping method in web winding machine tension control system
  • Dynamic performance and active damping method in web winding machine tension control system
  • Dynamic performance and active damping method in web winding machine tension control system

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Embodiment Construction

[0026]Embodiments of the present invention relate to systems and methods for controlling tension in a continuous web of material, and more particularly, to systems and methods for controlling tension in a continuous web of material in which a System damping is improved and thus better tension response is achieved. The primary and secondary drive units in the web winding system operate in speed mode and modified torque-regulated closed-loop tension control mode, respectively, and the speed feedback loop is integrated into the torque-regulated closed-loop tension control mode to improve the system Damping and enabling faster response times when controlling tension in a continuous web of material.

[0027] figure 2 is a diagram showing a system 10 for winding and unwinding a product film or web material, ie, a "web winder system", such winding and unwinding being performed in a tension-controlled manner to ensure Integrity of the web material 12 . figure 2 The system can be, f...

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Abstract

A control system is disclosed for controlling operations of a primary driving unit and a secondary driving unit in a web winding machine system to provide tension control over a continuous web of material. The control system enables the primary driving unit to operate in a speed mode to set a linear speed of the continuous web of material. The control system receives an input from a tension and speed detector in the web winding machine system, the tension and speed detector detects tension and a speed of the continuous web of material, and enables the secondary driving unit to operate in a modified torque-adjusted closed-loop tension control mode, so as to control the tension in the web of material. The control system enables the secondary driving unit to operate in the torque-adjusted closed-loop tension control mode and integrates a speed feedback loop into the torque-adjusted closed-loop tension control mode, so as to introduce active damping into tension control.

Description

Background technique [0001] The present invention relates generally to controlling tension in a continuous web of material, and more particularly to systems and methods for controlling tension in a continuous web of material in which system damping is improved and thus A better tension response is achieved. [0002] The production and handling of strips and sheets, ie "web handling applications", is actively used in many fields, such as web printing, newspaper pressing, etc. In such web handling applications, it is an essential requirement to produce a web of material according to specifications, usually comprising at least a predetermined thickness and predetermined material properties. To achieve such predetermined requirements, any mechanical force applied to the web during processing must be accurately controlled. Transfer rolls that transport web material from one part of the process to another must transport the web material while applying controlled tension or pressur...

Claims

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Application Information

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IPC IPC(8): G05D13/60
CPCG05D13/60
Inventor H·李姚文熙陈发毅吕征宇
Owner EATON CORP
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