Control system and control method for controlling power steering

Details Control system and control method for controlling power steering Control system and control method for controlling power steering

1994-06-01

1996-01-23

Teska, Kevin J.

Boots, shoes, and leggings

180143, B62D 600

Patent

active

054870070

ABSTRACT:
In a control system for a power steering apparatus, in which a steering assist amount in a steering mechanism of a vehicle is controlled to a target assist amount, a vehicle speed sensor 41 for detecting a running speed V of the vehicle and a steering angle sensor 52 for detecting a steering angle ha of the vehicle are provided. A lateral acceleration calculation unit calculates a lateral acceleration GY from the vehicle speed V and the steering angle ha and further determines the product V.GY of the vehicle speed V and the lateral acceleration GY. A fuzzy logic calculation unit then sets the target assist amount in accordance with a fuzzy logic rule using the vehicle speed V and the product V.GY as input conditions (membership functions). This thereby provides a control system and control method for controlling a power steering apparatus which presents an optimum steering characteristic in response to the running condition of the vehicle.

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