Self-cleaning process utilizing fuzzy logic and stove for carryi

Details Self-cleaning process utilizing fuzzy logic and stove for carryi Self-cleaning process utilizing fuzzy logic and stove for carryi

1993-07-19

1995-01-31

Reynolds, Bruce A.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

134 1, 134 18, 126273R, 395900, F24C 1402

Patent

active

053860993

ABSTRACT:
A pyrolytic self-cleaning stove includes at least one wall region defining an oven chamber, a muffle disposed in the at least one wall region, a heating element with additional ambient air heating for operating the muffle, an ambient air blower for ventilating the muffle, a device associated with the muffle for pyrolytic self-cleaning, and a sensor array disposed in the cooking chamber for detecting oven soiling values caused by operation. A pyrolytic self-cleaning method for stoves includes on-line optimization of a definable pyrolysis temperature range up to approximately 500.degree. C. by fuzzy-controlling a transient state for a temperature starting value with a regulating device, to avoid a heating startup peak with a fuzzy control step; recognizing subsiding of the transient state and initializing an optimized heating time referred to the fuzzy control step, with the regulating device; updating a minimum heating time for the next control step on the basis of the particular temperature gradient being recognized, while constantly monitoring the optimal turn-on temperature for the pyrolytic oven chamber heating, with the regulating device, at a minimum heating time referred to an applicable control step; and continuously optimizing the turn-off temperature with the regulating device, through a closed control loop.

REFERENCES:
patent: 4904849 (1990-02-01), Sinn
patent: 4908760 (1990-03-01), Sinn
patent: 5083010 (1992-01-01), Henry et al.
patent: 5286943 (1994-02-01), Has

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