NDLI: Real-time estimation and irregularity control of the sliver draft system

Content Provider	Springer Nature Link
Author	Bae, Han Jo Kim, Youn Sung Chun, Soon Yong Ji, Un Ho Kim, Mu Han Han, Sung Soo
Copyright Year	2008
Abstract	High regularity is important in manufacturing spun yarn. Among controllers used in regularity control, existing PID controller is suitable for linear time-invariant systems but not for the control of sliver draft systems with non-linear characteristic. Thus, the present study designed a knowledge-based fuzzy controller in consideration of disturbance and non-linear characteristic of sliver draft systems. RLS (Recursive Least Squares) was used as an estimation algorithm to formulate a model used in computer simulation for implementing the controller, and real time estimation was made using real data from draft systems to get a model close to actual systems. This research used a estimation model in designing a knowledge-based controller that minimizes the variation of control response to the sliver linear density of the system, and the result of linear density control was used to prove the superiority of the controller in control performance through CV%.
Starting Page	323
Ending Page	327
Page Count	5
File Format	PDF
ISSN	12299197
Journal	Fibers and Polymers
Volume Number	9
Issue Number	3
e-ISSN	18750052
Language	English
Publisher	The Korean Fiber Society
Publisher Date	2008-07-15
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Draft system Sliver Control Neural network Modeling Polymer Sciences
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering Polymers and Plastics

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