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Method and apparatus for the control of injection molding

Authors Gao, Furong View this author's profile
Zhao, Chunhua
Issue Date 2001-10-30
Source US Patent , 6,309,571. Washington, DC: US Patent and Trademark Office, 2001.
Summary This invention relates to a method and apparatus for the control of injection molding and, in particular, for determining a suitable time for transfer from injection velocity control to packing pressure control. The invention uses a derivative of , preferably the nozzle pressure, and inputs this to a fuzzy inference system. The fuzzy inference system uses said rules and knowledge to provide a suitable transfer time as an output. It is preferred that the sample pressure is filtered prior to calculation of the derivative.
Language English
Format Patent
Access View details of TTC.PA.058 via HKUST Technology Transfer Center
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