Invention Application
- Patent Title: On-line fiber orientation closed-loop control
- Patent Title (中): 在线光纤定向闭环控制
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Application No.: US10080203Application Date: 2002-02-21
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Publication No.: US20030171838A1Publication Date: 2003-09-11
- Inventor: Shih-Chin Chen , Ravi Subbarayan , Peter Q. Tran
- Applicant: ABB Inc.
- Applicant Address: null
- Assignee: ABB Inc.
- Current Assignee: ABB Inc.
- Current Assignee Address: null
- Main IPC: G06F007/66
- IPC: G06F007/66
Abstract:
A controller to provide base level fiber orientation control of a paper web. The controller achieves one or more indices that are derived from the online measurements of a fiber orientation sensor of the fiber ratio and the fiber angle. The indices are used for control of the sheet forming processes. The controller may be implemented by a single or multi stage fuzzy controller or the combination of fuzzy controllers with non-fuzzy logic controllers.
Public/Granted literature
- US06799083B2 On-line fiber orientation closed-loop control Public/Granted day:2004-09-28
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