Control apparatus

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Reexamination Certificate

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Details

C123S090170, C123S347000

Reexamination Certificate

active

11319739

ABSTRACT:
A control apparatus is provided for restraining fluctuations in the output due to disturbance and the like to achieve high stability and control accuracy for the output of a control object. The control apparatus calculates a virtual interference input applied to the control object in order to generate a virtual interfering force for holding the detected output of the control object at a predetermined value. The control apparatus assumes the control object applied with the virtual interference input as an enlarged control object, and calculates a virtual control input applied to the enlarged control object based on a predetermined response specifying control algorithm such that the output of the enlarged control object converges to a set target value.

REFERENCES:
patent: 6938593 (2005-09-01), Magner et al.

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