Furnace temperature control apparatus using adjustment input

Details Furnace temperature control apparatus using adjustment input Furnace temperature control apparatus using adjustment input

1990-10-30

1992-03-24

Lall, Parshotam S.

Boots, shoes, and leggings

364150, 364477, 432 24, G05D 2330, G06F 1546

Patent

active

050994425

ABSTRACT:
A temperature control apparatus of a learning type for a furnace which runs repetitively with a certain operating pattern of temperature change with time. The apparatus has a dual system model with respect to an enlarged system consisting of the furnace and its controller. For each cycle of the repetition of the certain operating pattern, adjustment input (r) is calculated by using the dual system model and the error between the preset temperature values (r) for the pattern and the actual inside temperatures (y) of the furnace, which adjustment input (r) is applied to the enlarged system to cause the inside temperatures (y) to track the preset temperature values (r). After each cycle of operation, the adjustment input (r) is renewed using the latest value of the above error.

REFERENCES:
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patent: 3601588 (1971-08-01), Bristol, II
patent: 3911347 (1975-10-01), Hartung
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patent: 4688180 (1987-08-01), Motomiya
patent: 4904912 (1990-02-01), Yamamoto
patent: 4907177 (1990-03-01), Curreri et al.
patent: 4948365 (1990-08-01), Yuen
patent: 4982347 (1991-01-01), Rackerby et al.
patent: 5003160 (1991-03-01), Matsuo et al.

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