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Steering-by-wire control method and device, equipment and storage medium

A technology of steering-by-wire and control method, applied in the field of vehicles, can solve the problem that the steering-by-wire system cannot be adapted to the driving mode and combination of vehicles, and achieves the effect of strong scalability and improved effect.

Active Publication Date: 2020-12-01
CHINA FIRST AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, driving mode selection is often applied to traditional vehicles. The existing technology has not yet combined the driving mode selection function with the steering-by-wire system, and it is impossible to realize that the steering-by-wire system can adapt to the driving mode of the vehicle.

Method used

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  • Steering-by-wire control method and device, equipment and storage medium
  • Steering-by-wire control method and device, equipment and storage medium
  • Steering-by-wire control method and device, equipment and storage medium

Examples

Experimental program
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Embodiment 1

[0076] figure 1 It is a flow chart of a steer-by-wire control method provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation of vehicle steer-by-wire. The method can be executed by the steer-by-wire device in the embodiment of the present invention. The device Can be implemented in software and / or hardware, such as figure 1 As shown, the method specifically includes the following steps:

[0077] S110. Acquire parameter information of the vehicle, wherein the parameter information includes: a steering wheel angle and a driving pedal opening degree signal.

[0078] Specifically, the steering wheel rotation angle collected by the steering wheel sensor and the driving pedal opening signal collected by the pedal opening sensor are obtained through the CAN bus, and vehicle parameter information can also be collected through other vehicle parameter information detection devices, which is not limited in the embodiments of the present inventio...

Embodiment 2

[0103] figure 2 It is a flow chart of a steer-by-wire control method in Embodiment 2 of the present invention. This embodiment is optimized based on the above embodiments. In this embodiment, according to the steering wheel angle and the driving pedal opening The signal determines the weight of the target virtual boost torque, including: determining the weight characteristic of the virtual boost torque according to the steering wheel angle and the opening degree signal of the drive pedal; determining the target function according to the weight feature of the virtual boost torque; signal and the objective function to obtain the first virtual assist moment weight; according to the steering wheel angle and the objective function, obtain the second virtual assist moment weight; obtain the first virtual assist moment weight and the second virtual assist moment weight The maximum value of the boost torque weights is used as the target virtual boost torque weight.

[0104] Such as ...

Embodiment 3

[0153] image 3 It is a schematic structural diagram of a steer-by-wire device provided by Embodiment 3 of the present invention. This embodiment is applicable to the situation of steering-by-wire, and the device can be realized by software and / or hardware, and the device can be integrated in any device that provides the function of steering-by-wire, such as image 3 As shown, the steer-by-wire device specifically includes: an acquisition module 310 , a determination module 320 , a calculation module 330 and a feedback module 340 .

[0154] Wherein, the obtaining module 310 is used to obtain parameter information of the vehicle, wherein the parameter information includes: steering wheel angle and driving pedal opening degree signal;

[0155] A determination module 320, configured to determine a target virtual boost torque weight according to the steering wheel angle and the drive pedal opening signal;

[0156] A calculation module 330, configured to calculate the steering lo...

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Abstract

The invention discloses a steer-by-wire control method and a steer-by-wire control device, equipment and a storage medium. The method comprises the steps: acquiring parameter information of a vehicleis obtained, the parameter information comprising a steering wheel rotating angle and a driving pedal opening signal; determining a target virtual power-assisted torque weight according to the steering wheel angle and the driving pedal opening signal; calculating a steering load moment according to the target virtual power-assisted torque weight; and when the steering wheel is in a rotating state,feeding back the steering load torque to the steering wheel. According to the technical scheme of the invention. According to the invention, a driving mode selection function can be combined with thesteer-by-wire system, so that the steer-by-wire system can adapt to the vehicle driving mode, the vehicle steer-by-wire system can be controlled according to the driving style of a driver, the requirement of the driver on the vehicle control feeling is met, the driving experience of the driver is improved, and the expandability is very high.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of vehicles, and in particular to a steer-by-wire control method, device, equipment, and storage medium. Background technique [0002] As automobiles become the most important and popular means of transportation in modern life, people pay more and more attention to the driving experience of drivers in addition to the safety of driving. [0003] In order to allow the driver to have a better driving experience, existing cars are often equipped with a driving mode selection function, so that the driver can select a suitable driving mode according to needs, and enhance the manoeuvrability and comfort of the driver's vehicle. At the same time, as a new form of steering, automotive steering-by-wire technology cancels the traditional mechanical connection between the steering wheel and the front axle steering mechanism. It can transmit signals through the data bus and obtain feedback comma...

Claims

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Application Information

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IPC IPC(8): B62D6/00B62D113/00B62D137/00
CPCB62D6/008
Inventor 李春善王宇张建刘金波周添侯殿龙
Owner CHINA FIRST AUTOMOBILE