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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/9725


    Title: A Dual Linear Motor Servo System for Injection Molding
    Authors: M. F. Hsieh
    W. S. Yao
    S. H. Wang
    Contributor: 圖書資訊館
    Keywords: Linear motor
    Synchronous control
    Injection molding
    Filling-to-packing
    Observer
    Date: 2008-11-08
    Issue Date: 2010-04-19 15:33:58 (UTC+8)
    Abstract: This paper presents a system identification
    technique and control scheme for dual parallel linear motors applied to the injector of injection molding machines. The dual motors are mechanically coupled to
    provide a joint thrust that is approximately twice of that of a single motor for injection in order to reduce the
    demand for large thrust linear motors. The proposed synchronous control scheme is designed to satisfy an injection cycle involving a number of mode switchings
    (e.g., velocity-to-force control for filling-to-packing). In the control scheme, a synchronous controller is designed to reduce the synchronization error between the dual motors. A disturbance observer is also
    developed to estimate the mold cavity pressure, based on which, the filling-to-packing switchover control can
    be performed. Experimental studies conducted on an injection load simulator validate the effectiveness and feasibility of the proposed system.
    Appears in Collections:[機械工程系所] SME 2008第六屆全國精密製造研討會-國際製造工程學會中華民國分會

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