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Steering control system control method, device and automobile

A control system and control method technology, applied in the field of automobile steering control, can solve problems such as torque fluctuation and vibration, the influence of output shaft angular velocity, and the impact on vehicle handling stability and comfort

Active Publication Date: 2019-01-04
BAIC MOTOR CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the layout of the vehicle, the steering system must not only ensure that the steering stability of the vehicle meets the design requirements, but also the layout of the pipe column and the steering wheel must meet the ergonomic conditions required by the regulations. It is difficult to meet the requirements of the two at the same time.
[0004] It can be seen that due to the influence of the vehicle layout space and the position of the steering column and steering gear, it is impossible for the steering drive shaft to meet the requirements of constant velocity
The unequal speed of the transmission will not only affect the angular velocity of the output shaft, but more importantly, it will cause torque fluctuations and vibrations, which will affect the handling stability and comfort of the vehicle.

Method used

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  • Steering control system control method, device and automobile
  • Steering control system control method, device and automobile
  • Steering control system control method, device and automobile

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Embodiment Construction

[0065] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0066] figure 1 A schematic structural diagram of a steering system applied to the steering system control method provided by the present invention. Such as figure 1 As shown, the steering system in this embodiment includes:

[0067] Steering wheel 11, steering shaft 12, electric power steering motor 13, reduction mechanism 14, intermediate sha...

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Abstract

The invention provides a steering control system control method, a device and an automobile. Wherein the steering control system control method includes acquiring the angle of the steering wheel, andjudging whether the angle of rotation of the steering wheel is greater than the preset angle, then, when it is determined that the steering wheel rotation angle is greater than the preset angle, at last, that current of the electric power steering motor is adjust according to the current vehicle speed, the torque change of the steering wheel and the angular speed change of the steering wheel, so that the torque difference between the steer gear and the steering wheel is within the preset range. The steering control system control method provided by the invention effectively controls the fluctuation of the steering control system torque and improves the handling stability and comfort of the vehicle.

Description

technical field [0001] The invention relates to the technical field of automobile steering control, in particular to a steering control system control method, device and automobile. Background technique [0002] As automobiles become more and more popular, people have higher and higher requirements for the stability and comfort of automobiles. The quality of steering control system is an important factor affecting the stability and comfort of automobiles. With the development of automobile electronics and intelligence, more and more automobile companies have begun to develop and apply electronic power steering systems to improve the handling performance of automobiles. [0003] For the steering control system of existing mature models, in order to improve the steering stability and comfort of the vehicle, it is necessary to select the appropriate phase angle of the steering knuckle yoke of the steering control system to ensure that the torque transmission fluctuation of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04
CPCB62D5/0463
Inventor 梁阿南
Owner BAIC MOTOR CORP LTD
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