Conference: ICT&Applications and Collocated Events

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3D-Surface-Model for Injection Speed Process

Ma’moun A. Abu-Ayyad.

ABSTRACT

Injection  velocity control in plastic injection molding is challenging as this process is inherently nonlinear, requiring an adaptive control strategy for good  tracking of complex  velocity trajectories. In this paper, a surface based model approach is developed tracking complex trajectories of injection velocity.  This technique employs a 3-dimensional (3D) nonlinear surface model of the controlled variable  (injection  velocity) in the overall control architecture to calculate the manipulated variable or control action to a hydraulic servovalve. The strategy uses the  controlled and manipulated variables as inputs to the  3D surface to update the nonlinear plant and controller parameters while the closed-loop control is executed, thereby  handling the  nonlinear characteristics of the plant being controlled.

Full Paper in PDF Document

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