Method to model a xerographic system

Details Method to model a xerographic system Method to model a xerographic system

1996-05-13

1998-02-10

Moses, R. L.

Electrophotography

Control of electrophotography process

Of plural processes

399 48, 399 50, 399 53, G03G 1500, G03G 1502, G03G 1508

Patent

active

057179786

ABSTRACT:
An electrostatographic printing machine having an imaging member with a surface voltage potential and a control system having changeable set point parameters to provide a dual level of control of the voltage potential. A compensator responsive to a reference signal and the surface voltage potential provides one input signal and one level of control to a summing nod and a look up table responsive to the changing of the set point pa provides a second input signal and a second level of control to the summing node to adjust the surface voltage potential. Two levels of table look up feed forward adjustment are also provided for developer control. Within one use of some form of look up tables to move one operating point by varying nominal values a state space control model of one electrostatic printing machine is developed. Control model is used to design good process loop compensators.

REFERENCES:
patent: 5243383 (1993-09-01), Parisi
patent: 5481337 (1996-01-01), Tsuchiya et al.
patent: 5523831 (1996-06-01), Rushing
patent: 5606395 (1997-02-01), Yang et al.

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