Air mix controller of automobile air conditioner

Details Air mix controller of automobile air conditioner Air mix controller of automobile air conditioner

1997-07-24

1999-05-18

Tanner, Harry B.

Automatic temperature and humidity regulation

Ventilator type

Electrically actuated

236 13, B60H1/00

Patent

active

059042931

ABSTRACT:
Control parameter (target opening) Xm is stored in a memory and the Xm value stored in the memory is used instead of a PBR value to calculate a deviation S value by a conventional control system. Change amount .DELTA.Xm of a first-order lag is found in response to the S value and the Xm value is corrected. The corrected Xm value is stored in the memory to update the memory contents and is transmitted to an air mix door actuator as a command value.

REFERENCES:
patent: 4899930 (1990-02-01), Kagohata et al.
patent: 4930698 (1990-06-01), Takekawa et al.
patent: 4994958 (1991-02-01), Iida

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