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Intelligent auxiliary steering system and control method thereof

An assisted steering and intelligent technology, which is applied in the direction of automatic steering control components, steering mechanisms, steering rods, etc., can solve problems such as the inability to realize power steering and active steering functions, the inability to guarantee steering functions, and the lack of intelligence, etc., to improve handling Stability, strong adaptability, and the effect of improving road feel

Pending Publication Date: 2018-10-12
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing steering system, the traditional mechanical steering system cannot realize power steering and active steering functions. Hydraulic power steering, electrohydraulic power steering and electric power steering can only realize power steering functions, and active steering systems can only realize active steering functions. Although the steer-by-wire system can realize power steering and active steering functions, due to the removal of the mechanical structure, the normal steering function cannot be guaranteed when the system fails, and the reliability is poor
The above power steering structure can only output power assist torque when the driver turns the steering wheel, which is not intelligent enough

Method used

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  • Intelligent auxiliary steering system and control method thereof
  • Intelligent auxiliary steering system and control method thereof
  • Intelligent auxiliary steering system and control method thereof

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Embodiment Construction

[0059] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0060] This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.

[0061] Such as figure 1 As shown, the present invention discloses an intelligent assisted steering system, which includes a steering wheel, a rotation angle sensor, a vehicle speed sensor, a lateral acceleration sensor, an upper steering column, a lower steering column, a double planetary gear mechanism, a worm gear mechanism, a speed reduction mechanism, a gear tooth Steering gear, front axle, two brake wheels, first clutch, second clutch, first motor, second motor, ECU, upper steeri...

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PUM

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Abstract

The invention discloses an intelligent auxiliary steering system and a control method thereof. The intelligent auxiliary steering system comprises a steering wheel, a rotating angle sensor, an automobile speed sensor, a lateral acceleration sensor, an upper steering column, a lower steering column, a double-planetary-gear mechanism, a worm wheel and worm mechanism, a speed reduction mechanism, a gear and rack steering device, a front shaft, two braking wheels, a first clutch, a second clutch, a first motor, a second motor, an ECU, an upper steering column electromagnetic lock and a planet carrier electromagnetic lock. During working, according to different working modes and automobile states, the first motor and the second motor exert different functions. According to the intelligent auxiliary steering system and the control method thereof, automatic steering and manual steering can be achieved, the function of the steering system is expanded, the road feeling of a driver is improved,and the operation stability of an automobile of improved.

Description

technical field [0001] The invention relates to the technical field of automobile steering systems, in particular to an intelligent auxiliary steering system and a control method thereof. Background technique [0002] With the advancement of science and technology and the further improvement of living standards, there are higher requirements for the performance of vehicles. On the basis of satisfying traditional driving, more attention is paid to the intelligence of vehicles, such as fully automatic parking, intelligent driving, features such as adaptive cruise control. As an important part of the intelligent control of the steering system, intelligent driving can realize a more intelligent vehicle driving method. [0003] In the existing steering system, the traditional mechanical steering system cannot realize power steering and active steering functions. Hydraulic power steering, electrohydraulic power steering and electric power steering can only realize power steering ...

Claims

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Application Information

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IPC IPC(8): B62D5/04B62D6/00B62D101/00B62D113/00B62D137/00
CPCB62D5/0463B62D5/0478B62D5/0487B62D6/001Y02T10/72
Inventor 鲁广超王春燕赵万忠王衍圣吴刚钱兴国
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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