Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Patent
1996-08-19
1999-09-21
Chin, Gary
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
280 911, 180412, 180445, B62D 504
Patent
active
059547740
ABSTRACT:
Disclosed is a method for controlling a rear wheel angle of a four-wheel steering system for a vehicle, including the steps of: setting a control cycle of an actuator; dividing the control cycle into an accelerating section, a uniform velocity section, and a reduction section according to a rotating velocity of the actuator; integrating each section according to the rotating velocity of the actuator; calculating a desired rear wheel angle according to a practical rear wheel angle measured under each integral equation of each section; and executing, during the control cycle, a compensating control with respect to an error value calculated by comparing the practical rear wheel angle and the desired rear wheel angle with each other.
REFERENCES:
patent: 4695068 (1987-09-01), Kawamoto et al.
patent: 5019982 (1991-05-01), Furukawa
patent: 5088573 (1992-02-01), Moll
patent: 5099940 (1992-03-01), Imaseki et al.
patent: 5150764 (1992-09-01), Eguchi et al.
patent: 5521820 (1996-05-01), Wakamatsu et al.
Chang Un-Sung
Jung Yon-Ku
Chin Gary
Kia Motors Corporation
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