Automotive vehicle power-steering system and method

Details Automotive vehicle power-steering system and method Automotive vehicle power-steering system and method

1985-03-12

1988-05-24

Love, John J.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

B62D 506, B62D 5087

Patent

active

047459859

ABSTRACT:
This automotive vehicle power-steering system can positively compensate for resistance to the return of a steering linkage from an operating position to its neutral rest position after the vehicle turns a corner, and can enhance a steerability of the vehicle. The system includes a controller ordering a power-assist actuator to reduced the steering angular deviation of a steering wheel to zero when the controller receives a zero-level signal from a steering torque sensor and non-zero-level signal from a steering angular deviation sensor. The method for the system includes a step of controlling the power-assist actuator to generate a return-assist force counteracting the resistance and variable according to vehicle conditions.

REFERENCES:
patent: 4473128 (1984-09-01), Nakayama
patent: 4476529 (1984-10-01), Nakamura
patent: 4509611 (1985-04-01), Kade

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