Automatic steering device for vehicle

Details Automatic steering device for vehicle Automatic steering device for vehicle

2011-05-31

2011-05-31

Nguyen, Tan Q (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

C701S041000, C180S402000

Reexamination Certificate

active

07953531

ABSTRACT:
A first correction coefficient and a second correction coefficient are map-searched based on a steering force applied by a driver to a steering wheel. A steering actuator is controlled based on an actuator driving electric current obtained by adding the product of an automatic steering control electric current and a first correction coefficient to the product of a power steering control electric current and a second correction coefficient. With an increase of the steering force, the first correction coefficient decreases and the second correction coefficient increases, so that a proportion of power steering control increases with respect to a proportion of automatic steering control.

REFERENCES:
patent: 7431117 (2008-10-01), Ito
patent: 2006/0037806 (2006-02-01), Kasahara et al.
patent: 9-193691 (1997-07-01), None
patent: 2002-002519 (2002-01-01), None
patent: 2004-256076 (2004-09-01), None
patent: 2005-162015 (2005-06-01), None

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