Motorgetriebene Servolenkung

The electric power steering apparatus of the invention is provided with a rotary detector (17) for detecting a rotational position of a motor (8), a torque sensor (6) for detecting a steering torque, and when the steering toque is within a dead zone, by increasing flow current to a motor (8) for ass...

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Bibliographic Details
Main Authors MATSUOKA, HIROFUMI, CHUO-KU OSAKA, JP, DAIDO, TOSHIHIKO, CHUO-KU OSAKA, JP, TABUSE, HIDETOSHI, CHUO-KU OSAKA, JP
Format Patent
LanguageGerman
Published 31.08.1995
Edition6
Subjects
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
MOTOR VEHICLES
PERFORMING OPERATIONS
TRAILERS
TRANSPORTING
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Summary:The electric power steering apparatus of the invention is provided with a rotary detector (17) for detecting a rotational position of a motor (8), a torque sensor (6) for detecting a steering torque, and when the steering toque is within a dead zone, by increasing flow current to a motor (8) for assisting steering force correspondingly to increase of a steering angle decided on the basis of the rotational position of the motor (8), the steering assisting force corresponding to the steering angle can be gained at the time of returning the steering wheel steered by mostly using by the steering torque being in the dead zone, and the proper steering assisting force can also be gained by making flow quantity corresponding to the steering angle to be minimum within a predetermined speed range and by increasing it at lower or higher speed than the predetermined speed range when the steering wheel is returned during a time of running at a low speed (such as a time of slowing down).
Bibliography:Application Number: DE19896022248T