Electrophotography – Control of electrophotography process – Artificial intelligence
Patent
1995-03-14
1997-04-22
Ramirez, Nestor R.
Electrophotography
Control of electrophotography process
Artificial intelligence
395904, G03G 2100
Patent
active
056237138
ABSTRACT:
The present invention makes it possible to make good self-repair on which little secondary effect is exerted by calculating a manipulated variable of a parameter at the time of the repair by a functional amount in an image forming apparatus having a self-repair function. When a fault occurs, control-type repair for operating a physical parameter is first made. In this repair, the physical parameter to be operated is searched for (n3). If the physical parameter to be operated is determined, a manipulated variable of the physical parameter is then calculated by a functional amount (n4). The manipulated variable of the parameter by the functional amount is determined by adjusting the degree to which a plurality of functions are developed. Therefore, a manipulated variable in which the development of the functions is most preferable as the entire apparatus is determined. If the fault cannot be repaired by the control type repair, functional redundancy type repair is made (n6, n7, n8, n9). In the functional redundancy type repair, priorities to repair candidates are determined by the functional amount.
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"Sensitivity Engineering" by Sansei Nagamachi, published by Kaibundo Publishing Co., Ltd. (1988), including a cover page, pp. 46 through 60, and an imprint page. No English Translation.
"Reliability Engineering", by Hiroyuki Yoshikawa, published by Corona Publishing Co., Ltd. (1979), including a cover page, pp. 5 through 21, and an imprint page. No English Translation.
European Search Report No. EP 95 10 3872 completed 2 Jul. 1996.
Mori Yukihiro
Shimomura Yoshiki
Takakura Toshimitsu
Tanigawa Sadao
Tomiyama Tetsuo
Mita Industrial Co. Ltd.
Ramirez Nestor R.
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