Method and device for anti-slip control of automobile drive wheels
A technology for driving wheels and a control method, which is applied to control devices, control drives, electric vehicles, etc., can solve the problems of difficult to achieve anti-skid control, and the slip rate cannot be accurately known, and achieve the effect of solving effective anti-skid control.
Active Publication Date: 2020-05-05
BEIJING JINGWEI HIRAIN TECH CO INC
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Problems solved by technology
Many pure electric passenger vehicles and logistics vehicles are not equipped with ESP / TCS due to cost reasons or differences in high and low configurations. For these pure electric vehicles without ESP / TCS, the slip rate cannot be accurately known, resulting in Effective skid control is difficult for these EVs
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[0055]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0056] Aiming at the problem in the prior art that some electric vehicles cannot obtain the slip rate, so that the electric vehicles cannot judge whether the wheels of the vehicle are slipping, the present invention discloses a method for controlling the anti-slipping of the driving wheels of the vehicle, see figure 1 , the method can include:
[0057] Step S101: Obtain the rotational speed information of the automobile motor and the opening degre...
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The invention provides an anti-slip control method and device for an automobile driving wheel. The anti-slip control method for the automobile driving wheel comprises the steps of obtaining rotation speed information of an automobile motor and opening information of an accelerator pedal in real time; judging whether a driving wheel of an automobile is in a slipping state or not according to the rotation speed information and the opening information of the accelerator pedal; and when the driving wheel is in the slipping state, performing anti-slip control on the driving wheel. It can be seen that the slip rate of the automobile does not need to know in the process; and therefore, the problem that the effective anti-slip control cannot be performed on the automobile because the accurate sliprate of the automobile cannot be obtained in the prior art is solved.
Description
technical field [0001] The invention relates to the technical field of automobile control, in particular to a method and device for controlling the anti-slip of an automobile driving wheel. Background technique [0002] New energy vehicles, especially pure electric vehicles, may not be equipped with stability control systems such as ESP (electronic stability system) / TCS (drive anti-skid system) due to cost reasons, which makes the vehicle accelerate rapidly on low-adhesion roads or conventional roads. Sometimes, it is easy to cause the driving wheel to slip, causing discomfort. In severe cases, it may cause the vehicle to lose control and bring safety risks, which greatly affects the operation stability of pure electric vehicles. [0003] At present, the anti-skid of pure electric vehicles is mostly directly solved by installing the drive anti-skid control system TCS (TractionControl System), which is mostly controlled based on the slip rate. By comparing the current slip ra...
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IPC IPC(8): B60L15/20
CPCB60L15/20B60L2240/421Y02T10/72
Inventor 朱早贝许笑天
Owner BEIJING JINGWEI HIRAIN TECH CO INC