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Automobile electric power assisted steering system and power assisted steering control method

A technology of electric power steering and electronic control unit, which is applied in the direction of electric steering mechanism, power steering mechanism, steering mechanism, etc. It can solve the problems of low conversion efficiency, laborious turning of the steering wheel, and waste of electric energy, so as to prevent oil leakage and prevent danger , the effect of convenient production

Pending Publication Date: 2019-07-26
斯沃博达汽车电子(昆山)有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an automobile electric power steering system and a power steering control method to solve the problems of low conversion efficiency, waste of electric energy, and the same power assistance in different road conditions that cause the driver to turn the steering wheel on complicated roads.

Method used

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  • Automobile electric power assisted steering system and power assisted steering control method
  • Automobile electric power assisted steering system and power assisted steering control method
  • Automobile electric power assisted steering system and power assisted steering control method

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Embodiment Construction

[0025] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of means consistent with aspects of the present application as recited in the appended claims.

[0026] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. Unless otherwise defined, the technical terms or scientific terms used in the present application shall have the common meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in...

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Abstract

The invention provides an automobile electric power assisted steering system, which comprises a steering wheel, a steering shaft, an electronic control unit, anautomobile speed sensor, an electromotor, a manual adjusting device, and a prompting unit. The steering wheel is connected with the steering shaft, the steering shaft is provided with a torque sensor,the torque sensor is connected witha torque signal input port of the electronic control unit, the automobile speed sensor is connected withanautomobile speed signal input portof the electroniccontrol unit, the electromotor is connected withthe electronic control unit, and the manual adjusting device and the prompting unit are both electrically connected with the electronic control unit. According to the automobile electric power assisted steering system, production is convenient, oil does not leak, and assistance power can be intelligently adjusted; and according to apower assisted steering control method,assistance power is controlled by a driver so that danger caused by misjudgment of the driver due to automatic assistance power change can be prevented.

Description

technical field [0001] The invention relates to an automobile electric power steering system and a power steering control method. Background technique [0002] The steering system of a traditional fuel vehicle uses a diesel or gasoline engine to drive a hydraulic oil pump through mechanical transmission to reduce the load, and turn the steering wheel to steer the vehicle; the existing electric vehicle uses a motor to drive a hydraulic oil pump to reduce the steering load. The only difference is that the source of the impeller power of the oil pump is simply changed from the engine to the electric motor. The existing electric vehicles have the following disadvantages: a) On the basis of traditional fuel vehicles, only the oil pump driven by the engine is changed to the oil pump driven by the electric motor, but it cannot take into account the lightness of steering at low speed and the stability of steering at high speed b) When converting electric energy into cylinder pressu...

Claims

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Application Information

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IPC IPC(8): B62D5/04
CPCB62D5/0463
Inventor 杜维康
Owner 斯沃博达汽车电子(昆山)有限公司
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