Closed loop adhesive registration system

Details Closed loop adhesive registration system Closed loop adhesive registration system

2011-06-07

2011-06-07

Tadesse, Yewebdar T (Department: 1713)

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to attribute, absence or presence of work

C118S702000, C118S703000, C118S708000, C118S712000, C118S066000, C156S356000, C156S357000, C156S366000

Reexamination Certificate

active

07954451

ABSTRACT:
An apparatus and method use closed loop control processes to automatically adjust a command signal used to change an operating state of a fluid dispensing gun. Proportional, integral and/or derivative control processes are used to determine an operating parameter comprising on time compensation, off time compensation and/or a fluid pressure compensation. An adjustment is made to the operating parameter if a number of consecutive measurements of an adhesive bead characteristic are outside of a predetermined tolerance range. A sensor for producing a feedback signal is used to communicate a measurable difference between an actual and a desired bead characteristic. The feedback signal applied in real time is used when determining the operating parameter, reducing substrate waste and increasing efficiency.

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