Rockwell Technologies, Inc.

Robert B Meeker

David M Fort

Robert E Davitt, Jr

Jeffrey A Shearer

An industrial controller for injection molding machines models the injection molding machine by observing ram state in response to control variables to alert the user when a control profile may be physically unrealizable and to inhibit a learning process to avoid extreme actuation of the controlled components such as may be detrimental to later control accuracy. Simultaneous velocity and pressure control of the ram, with separate profiles, may be obtained by open-loop control of either pressure or velocity and continuous closed-loop control of the other control variable.

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Brook Park, OH, United States of America

Robert B Meeker