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Title: Electric power steering system for vehicles

Abstract

An electric power steering system for vehicles is described comprising: an input shaft operatively connected to a steering wheel; an output shaft operatively connected to a steered wheel; an electric motor for operatively supplying auxiliary torque to the output shaft; steering torque detection means for detecting steering torque acting on the input shaft; driving control means for feeding the electric motor with a motor drive signal based on an output signal from the steering torque detecting means; steering angle detection means for detecting a steering angle of the steering wheel; and correction means for gradually decreasing the motor drive signal to reduce the auxiliary torque to be developed at the electric motor, when the steering angle of the steering wheel is detected to be exceeding a predetermined angle by the steering angle detection means, the predetermined angle being slightly less than a maximum steering angle of the steering wheel.

Inventors:
;
Publication Date:
OSTI Identifier:
5105991
Patent Number(s):
US 4727950
Assignee:
Honda Giken Koygo Kabushiki Kaisha, Tokyo
Resource Type:
Patent
Resource Relation:
Patent File Date: Filed date 27 Jul 1987
Country of Publication:
United States
Language:
English
Subject:
33 ADVANCED PROPULSION SYSTEMS; VEHICLES; MAN-MACHINE SYSTEMS; OPERATION; AUTOMATION; CONTROL; CORRECTIONS; DESIGN; ELECTRIC MOTORS; INCIDENCE ANGLE; SHAFTS; TORQUE; WHEELS; MACHINE PARTS; MOTORS; 330602* - Vehicle Design Factors- Engine-Transmission Matching

Citation Formats

Shimizu, Y, and Kawai, T. Electric power steering system for vehicles. United States: N. p., 1988. Web.
Shimizu, Y, & Kawai, T. Electric power steering system for vehicles. United States.
Shimizu, Y, and Kawai, T. Tue . "Electric power steering system for vehicles". United States.
@article{osti_5105991,
title = {Electric power steering system for vehicles},
author = {Shimizu, Y and Kawai, T},
abstractNote = {An electric power steering system for vehicles is described comprising: an input shaft operatively connected to a steering wheel; an output shaft operatively connected to a steered wheel; an electric motor for operatively supplying auxiliary torque to the output shaft; steering torque detection means for detecting steering torque acting on the input shaft; driving control means for feeding the electric motor with a motor drive signal based on an output signal from the steering torque detecting means; steering angle detection means for detecting a steering angle of the steering wheel; and correction means for gradually decreasing the motor drive signal to reduce the auxiliary torque to be developed at the electric motor, when the steering angle of the steering wheel is detected to be exceeding a predetermined angle by the steering angle detection means, the predetermined angle being slightly less than a maximum steering angle of the steering wheel.},
doi = {},
url = {https://www.osti.gov/biblio/5105991}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1988},
month = {3}
}