Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2007-10-16
2007-10-16
Chang, Ching (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
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.
Arent & Fox LLP
Chang Ching
Honda Motor Co. Ltd.
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