Control apparatus

Details Control apparatus Control apparatus

1987-07-02

1988-11-22

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Idle speed control

36443107, F02D 4116

Patent

active

047857803

ABSTRACT:
A state value related to operating state of a controlled object is detected. An actuator serves to adjust the operating state of the controlled object. A target control quantity of the actuator is determined on the basis of the detected state value. The actuator is controlled in accordance with the determined target control quantity. The detected state value and the determined target control quantity are stored. A new target control quantity of the actuator is calculated on the basis of a vector of predetermined optimal feedback gain and a vector of state variables. The optimal feedback gain depends on model constants in a dynamic model which is an approximation to the operating state of the controlled object. The state variables are composed directly of the stored state value and the stored control quantity.

REFERENCES:
patent: 4197767 (1980-04-01), Leung
patent: 4492195 (1985-01-01), Takahashi et al.
patent: 4638778 (1987-01-01), Kamei
patent: 4653449 (1987-03-01), Kamei et al.
patent: 4745553 (1988-05-01), Raven et al.

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