Heater control device

Details Heater control device Heater control device

1996-04-04

1998-05-05

Paschall, Mark H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219505, 219501, 395 23, 395 61, 395900, 36447701, H05B 102

Patent

active

057477779

ABSTRACT:
A heater on-time computing unit, provided in a heater control device, has a first fuzzy neural network for computing a heater on-time in accordance with a surface temperature of a heat fixing roller and a surface temperature change obtained from surface temperatures. A roller surface temperature predicting unit has the second fuzzy neural network for computing a predicted temperature of the heater in accordance with a surface temperature, a surface temperature change obtained from surface temperatures, and a heater on-time computed by the heater on-time computing unit. Thereby only roughly setting of parameters is required because the parameters are adjusted by sequential learning so that the optimal heater on-time is obtained. Therefore, the programming is simplified and it is possible to comply with differences in such as models, individuals, deterioration due to aging, and changes in environments.

REFERENCES:
patent: 5220373 (1993-06-01), Kanaya
patent: 5267348 (1993-11-01), Someya et al.
patent: 5287154 (1994-02-01), Nakai et al.
patent: 5300757 (1994-04-01), Hara et al.
patent: 5311268 (1994-05-01), Ohzeki et al.
patent: 5465320 (1995-11-01), Enbutsu et al.
patent: 5487130 (1996-01-01), Ichimori et al.

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