Plant temperature control system

Details Plant temperature control system Plant temperature control system

2007-12-11

2007-12-11

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S276000, C060S277000, C060S284000, C700S031000, C701S113000, C701S114000

Reexamination Certificate

active

11316992

ABSTRACT:
In a temperature control system of a plant such as an engine exhaust system, there are provided a catalyst heat model calculating a temperature estimated value of the plant, a temperature sensor model inputting the calculated value to calculate an output estimated value of a temperature sensor, a temperature controller controlling the plant temperature based on the estimated value, and a model parameter corrector correcting the plant model parameter so as to minimize error between the temperature sensor output and the calculated output estimated value. With this, even in the case where the temperature sensor has a large response lag, the temperature estimated value can nevertheless be corrected with high accuracy, without, for example, causing severe overshooting.

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